Best Intake Manifold For 5.3 Vortec: Reviews, Buying Guide, and FAQs 2023

It is irritating and frustrating when your vehicles' engine keeps on overheating and leaking when you thought you got rid of this problem. You have to be careful of this issue because it could worsen your engine if it gets neglected. If this matter is mistreated for an extended period, this might induce accidents. So it is necessary to safeguard your engine against all these outcomes with the assistance of one of the best intake manifolds specific for 5.3 Vortec.

The function of the intake manifold is to distribute air that is coming into the engine to all of the cylinders of the engine, resulting in the mix balanced ratio of air and gas in the engine. When a manifold leaks or cracks, this causes an excess intake of air that results in the engine's poor performance. If you want to sustain a fuel-efficient automobile, you have to maintain a proper working intake manifold. The upgrading of the intake manifold is significant for better and long-lasting engine performance.

Editor's Recommendation: Top Intake Manifold for 53 Vortec 2023

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• Bestseller No. 1
  
  Compatible with Chevy Silverado Thoe Suburban/GMC Sierra Savana Yukon/Cadillac Escalade...
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  Dorman 615-183 Engine Intake Manifold Compatible with Select Models
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  LSXrt 102mm Intake Manifold for GM LS 4.8/5.3/6.0L Truck with Cathedral Port Heads
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  GM Genuine Parts 25200449 Intake Manifold
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  FAST 54039B LSX Black 92mm Intake Manifold
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  FAST LSXr 102mm Intake Manifold for LS1, LS2, and LS6 (146302B), black
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  A-Premium Upper Intake Manifold Replacement for Chevrolet Express Silverado 1500 2500...
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Top 12 Best Intake Manifolds of 5.3 Vortec Reviews 2023

1. Dorman 615-183 Engine Intake Manifold - Link

This intake manifold is one of the ideal replacements for your engine to eliminate any air problems that overheat the engine and get rid of leakage. Dorman intake manifold is a trustworthy brand that builds this product with reliability. This product of intake manifold fits ideally in 5.4 Vortec.

Performance:

Dorman intake manifold is precisely engineered to match the function and fit of the vehicle stock manifold. It is made from high-quality design and materials, and it ensures to deliver balanced fuel supply to your engine for a long time. It also provides tons of facilities to your engine.

It is the perfect replacement because it is fully compatible with the engine. The efficient design of this intake manifold is built accordingly to match all the needs by optimizing the engine's performance and keeping it cooler.

Design:

The design of this product has 8 individual gaskets, making it better than the design of OEM that has a stamped plate gasket for each side of the engine intake. The gasket of the Dorman intake manifold is thicker than other market competitors because it has more open space than an OEM.

It provides the engine with map sensors and sleeve bolts, and it is user-friendly and suitable for newcomers.

Pros:

• This intake manifold has sleeve bolts.
• This intake manifold is effortless to install.
• This intake manifold is spacious and has a lot of open space for gaskets.
• Map sensors are provided with this intake manifold.
• This intake manifold has square ports and factory-shaped O-rings.
• It works with a beefed and thick gasket.

Cons:

• The regular intake of air through the gasket is changed by square intake.
• The connectors and sensors could be incompatible with the engine.
• This product is not suitable for general motor engines or Chivy.

2. FAST 54039B LSX Black 92mm Intake Manifold - Link

The FAST intake manifold is coated and designed with stainless steel shield, and it also has a fitted O-rings gasket. Its features involve a sealing brim and maintaining its bottom-end drivability. It gets rid of the heating issue of the engine and keeps it cool and working for an extended period.

The FAST LSX Black is the robust intake manifold in the market worth every penny, and its performance and quality never disappoint.

Performance:

This intake manifold not only provides a high flow of air but also helps with racing applications. These features add to its efficiency and performance. You can add ports to increase flow in the engine; this shows the flexibility of this product.

The FAST intake manifold has a three-piece version explicitly designed to retain the RPM power for optimal performance at a high capacity. This intake manifold is preferred for generation III (LS1, -2, -6) of general motors engines because it has a throttle-bodied big mouth design. These kinds of the engine are present in race cars, and the installation activity is straightforward.

Design:

The FAST intake manifold is designed with a stainless steel cover that adds to its overall efficiency look. The stainless steel cover on the ports is advantageous as it prevents corrosion or rust. It has a sealing flange along with the O-ring gasket.

The threaded mount in this intake manifold ensures durability. It is 92 millimeters in measurements, and it fits ideally with cathedral ports.

Pros:

• This intake manifold has a suitable bolt-on fit.
• The ports and body of this intake manifold are covered with stainless steel that resists corrosion.
• This intake manifold is well-suited with general motor engines.
• This intake manifold provides a sealing flange and O-rings gasket.
• The installation process of this intake manifold is unchallenging.
• This intake manifold's capable of many facilities, including generating a considerable amount of power.
• It is compatible with and fits in all LS, 5.3 engines.
• It is lightweight and flexible.

Cons:

• There is no gasket present between the manifold and block.

3. FAST LSXr 102mm Intake Manifold LS1, LS2, and LS6 - Link

The FAST LSXr has the best air inlet and is produced with the best quality multi-piece outline. It has a bigger air inlet that is a vital feature of this intake manifold. It also has a changeable array of runners and a fantastic polymer body that enhances its appeal and appearance.

Performance:

This intake manifold is 102 millimeters in measurement. It is produced for cathedral ports manufactured to maximize the airflow in the engine, which in return increases the power level without any effect on drivability.

The air inlet warrants that the FAST LSXr intake manifold provides a low level of RPM torque and increases the engine's horsepower. The design of this intake manifold is a multi-piece that delivers high power of horsepowers with longer runner and few restrictions. All these features guarantee perfect performance.

This product has a new inventive characteristic of modular design that introduced removable runners, which offers simple porting of the parts and quick disassembly.

Design:

This FAST intake manifold is designed with a polymer body that is much cooler and lighter than aluminum. This LSx manifold has the LS1, LS2, LS3, LS6, and LS7 port configuration engine fitting. It is also suitable for trucks under the level of 6.0L, especially for trucks of 4.8L and 5.3L, and it is well-suited with engines that don't have clearance issues.

Pros:

• This intake manifold has fantastic mid-range engine pull.
• This intake manifold has an integrated gasket.
• This intake manifold has an ideal cooling effect on the engine.
• This intake manifold has an attractive and sleek appearance.
• This intake manifold is easily portable.
• This intake manifold works with fuel injectors.

Cons:

• This intake manifold is challenging to install.

4. A-Premium Upper Intake Manifold Replacement for Chevrolet Express Silverado - Link

The highlighted features of this premium intake manifold are its O-ring of gasket that increases its performance efficiency. This intake manifold is provided with the installation bolts, and it also comes with an black hose present on its upper side.

The premium intake manifold replacement is ideal because it fits and is compatible with almost all vehicles. Its compatibility with various automobiles makes t very popular among people, as it offers excellent facilities to vehicles' engines.

Performance:

The vital function of the premium intake manifold is to distribute and provide equally clean air to all the intake ports present in the cylinders. In case the intake manifold is faulty, the whole performance of the engine is affected. For instance, air intake capacity will be disturbed, the engine's power will be affected, air leakage defect, and numerous other issues.

This intake manifold will diminish all these problems with high-quality material and efficiency.

Design:

The premium intake manifold weighs about 15 pounds. It is a perfect fit with the ideal OEM replacement kit of the intake manifold. This product takes the delicate technology to the high limits where it fulfills all the original parts specifications.

This intake manifold is manufactured with a trustworthy design that is effortless to install, and it keeps your engine performance up to standard for a long time.

Pros:

• This intake manifold is well-suited with fuel trims and almost all brand vehicles.
• It is not very heavy to carry and install.
• This intake manifold has a black hose present on top of it.
• It works suitably with EGR tubes.
• It has O-rings that work ideally with injectors.
• It has the remarkable feature of sealing with O-rings.
• This intake manifold is super easy to install.

Cons:

• This intake manifold is not suited to vehicles that have map sensors.

5. Edelbrock 7118 Performer with LS1 Intake Manifold - Link

The highlighted characteristics of this intake manifold involve a unique ignition system. Its design includes six timing curves. It has a fitted transmission bracket and throttle that ensures engine cooling and equal distribution of air.

Performance:

The performance of the Edelbrock intake manifold is different from traditional norms. It has become an absolute favorite of its user because of its impeccable quality and the feature of a carburetor that fits with the engine with the LS1 performer.

A flanged square carburetor is very effective for an engine that was formerly managed by computers. The ignition system of this intake manifold provides a link with sensors present in OEM. This combination of ignition systems with OEM sensors is potent enough to trigger the ignition process quickly.

Design:

The Edelbrock intake manifold is designed with six timing curves from which you can choose according to your convenience. It also has a fantastic throttle bracket and transmission features with three transmission ranges: 700-R4, TH350, and TH400.

While finding an intake manifold that fits ideally in your vehicles' engine and coming across Edelbrock that will improve your engine condition, so choosing this product will be perfect for you. It performs suitably between 1500-6500 RPM; it is good with a muscle car, a steel rod, and marine application.

Pros:

• This intake manifold is works ideally with the CARB application.
• This intake manifold is simple to install.
• This intake manifold is well-suited with either port of the engine.
• It has an excellent ignition system that is linked with OEM sensors.
• This intake manifold features transmission ranges of 700-R4, TH400, and TH350.

Cons:

• The valley cover of this intake manifold hinders the closing of the manifold.

6. A-Team Performance Intake Manifold 102mm Throttle Body Sheet - Link

The main features of the A-Team 102mm intake manifold are that the body of this product is sheet-welded with aluminum and that this intake manifold is very tall in length.

Performance:

The A-team intake manifold is ideal for cathedral-style ports, and it fit suitably with multiple cathedral-style ports like LS1, LS2, and LS6. It is also compatible with numerous head types like 4.8 head, 5.3 head, 5.7 head, and 6.0 head. However, be mindful that is intake manifold does not bend with the boost and neither curves with a vacuum.

This product works suitably with all engines. It would be perfect for your vehicle, and the installation process is pretty straightforward and manageable. This will improve your vehicle's engine performance by a long shot.

Design:

Regarding measurement and design, the A-team intake manifold is the largest one, with 2" height and 102 millimeters. The body of this is welded with a 3-millimeter thick aluminum sheet.

This intake manifold perfectly fits Chevrolet generation III/IV having a small block V8 engine. Operating it with a different brand may not be suitable because it would not function properly.

Pros:

• This intake manifold functions with a fuel injector stock.
• This intake manifold use vacuum pumps to join map sensors.
• This intake manifold works perfectly with cathedral-style ports.
• The body of this intake manifold is welded with three millimeters thick aluminum sheet.
• It works ideally and improves the engine performance.

Cons:

• This intake manifold doesn't fit with all types of engines.

7. LSXrt 102mm Intake Manifold for GM LS 4.8/5.3/6.0L Truck with Cathedral Port Heads - Link

The main characteristics of the LSXrt intake manifold are that it has an air inlet, is manufactured with polymer injection, fused nitrous bungs, and has bolts to fit on.

The FAST LSXr intake manifold is designed to make it compatible with GM 5.3 Vortec and the engine of LS1, -2, -6 based on race applications. It has high quality, a precise design that takes the engine to a high level of performance, just like a brand new engine.

Performance:

This product is a unique product by the FAST as it is made especially for vehicles that do not need hood clearance. It has a huge mouth throttle body that offers minimal restrictions to maintain the high flow, and if you want, you can remove the individual runners.

It produces astonishing horsepower, and it is much stronger, lighter, and has fewer chances of soaking heat. Although it has a 102mm throttle body, it works completely fine with 90mm and 92mm throttle bodies.

Design:

The FAST LSXr intake manifold has a moduled design of multi-layered. The materials used in its build are precise and advanced quality of molded polymer. It has combined nitrous bungs and exact bolts that fit that permit the utilization of factory accessories.

This intake manifold is designed and manufactured especially for GM 4.8/5.3/6.0L LS cathedral port vehicles.

Pros:

• This intake manifold has an easy bolt to fix.
• This intake manifold has nitrous bung.
• It is well-suited with cathedral-style port heads.
• This intake manifold comes with an air inlet that improves engine performance.
• The installation activity is straightforward.
• It functions with several throttle bodies millimeters.

Cons:

• The intake manifold has injector fitting difficulties.

8. Compatible with Chevy Silverado Thoe Suburban, Cadillac Escalade Upper Intake Manifold - Link

The main qualities of this intake manifold are that it has a single-piece design, the body is shielded by reinforced plastic, and it has a pre-loaded gasket. This product is made specifically for the direct replacement of a factory-installed manifold.

Performance:

When any intake manifold is faulty, it fails to work correctly, and in return, the whole function of the engine is disturbed. All these issues result in a coolant leak and vacuum leaks. These leaks are hazardous and could turn out to be more dangerous if they remain untreated. These problems might lead to overheating and misfires.

So it is essential to replace faulty appliances with a new gasket. Thus, a brand new gasket will improve the function of the engine. This model of intake manifold replacement has the amazing feature of cooling efficiency that enhances the airflow functions. It molds an intake gasket by direct replacement into a new intake manifold.

Design:

The intake manifold has a one-piece body design protected and covered by reinforced plastic, ensuring long-lasting durability and performance. This model is re-engineered to provide better performance and strength.

Pros:

• This intake manifold product has an in-build gasket, and it works suitably.
• This product can be used for cathedral-style ports and fuel injectors.
• This intake manifold is very effortless to install.
• It has an efficient one-piece style body.
• This intake manifold is coated with reinforced plastic.
• This intake manifold has an auto dynasty replacement feature that remarkably cools down the engine.
• In case you lose the main bolt, you get an extra one with this intake manifold.

Cons:

• This intake manifold is not well-suited with V6 4.3.

9. GM Genuine Parts 25200449 Intake Manifold

With this excellent intake manifold, your vehicle reaches a new level of performance and efficiency because of the best working principle of GM intake manifold. It has some prominent features that involve the single map sensors ports, and it has other ports for brake booster and evap canister and factory seals shape it.

Performance:

This intake manifold has different ports for the brake booster and map sensors; this feature adds to the convenience level for the user and makes the installation process hassle-free and quick. The even distribution between the ports ensures an equal amount of mixture of engine combustion. And in the case of an engine with the direct injection model, the separate ports get an equal amount of air.

Design:

The Gm intake manifold separate ports for the brake booster and map sensors are placed on the cylinder head. It requires an equal mix of engine combustion and air to work properly.

The GM intake manifold provides impressive toughness, and unlike other intake manifolds, it is not overweight or bulky. Thus it is very user-friendly.

Pros:

• This product comes along with factory-fitted seals.
• The process of installation is hassle-free and quick.
• This intake manifold has pre-installed factory seals.
• This intake manifold has an incorporated gasket.

Cons:

• This intake manifold doesn't have a runner intake solenoid.

10. Dorman 615-380 Engine Intake Manifold for Select Buick/Chevrolet Models - Link

The highlighted features of the Dorman intake manifold are that it has map sensors, the body is made from polymer and created with the retaining pin. It is effective as it is designed with an efficient style.

Performance:

This model of Dorman intake manifold is made to ensure less fuel consumption by the engine, and it deals with leakage with great strength and retains the engine performance. The valve of this intake manifold has a retaining pin that functions to prevent any valve failure.

This intake manifold has an impressive gasket kit and a throttle body, fuel injectors, MAP sensors, and O-rings that make the installation process straightforward.

Design:

The design of the Dorman intake manifold is exceptional, and it warrants enhanced performance of the engine along with the guarantee of less consumption of oil by the vehicle's engine. The body of this intake manifold has a coat of nylon polymer. This cover is deliberately made to make it challenging and prevent any cracks or breaks on the structure.

The improved design of this intake manifold provides a solution to PCV standard valve failure.

Pros:

• The installation activity of this intake manifold is quick and straightforward.
• This intake manifold has a fuel injector, MAP sensors, and O-rings.
• The fear of wrapping and crack is diminished by its impressive polymer design.
• It reduces the fuel combustion level of the engine.
• It improves the performance of the engine.

Cons:

• It doesn't have any solenoid intake runner.
• This intake manifold has only one port for MAP sensors.

11. GM Genuine Parts 12620308 Intake Manifold Assembly - Link

The GM intake manifold has a cathedral ports design. It is the perfect choice for finding an affordable intake manifold to replace your defective intake manifold. General motors recommend this intake manifold as a replacement part for the original component of a factory for your vehicle.

Performance:

It was manufactured on the requirement of General Motors to meet all the OE specifications. It is formed to fit in the vehicle precisely and guarantees the engine's proper functioning. It offers you the same service, durability, and performance like expected from the General Motors.

This intake manifold evenly distributes the air in case of a direct system of injection and mix of the combustion engine by the cylinder head for it to work perfectly. It ensures equal distribution of fuel and air that enhances the performance of the engine.

Design:

It is ideally designed to fit the vehicle, fulfill all the engine requirements, reduce fuel combustion, and maintain its condition by preventing any leakage.

Pros:

• This intake manifold provides actual OEM-specific performance.
• It improves the performance of the engine.
• It is durable and compatible with most vehicles.
• This intake manifold is affordable.
• This intake manifold comes with a 24-months warranty.
• The material of this intake manifold increases its versatility.

Cons:

• This intake manifold function is not impressive as others.
• There are no special features as it is made and designed by General Motors.

12. A-Team Performance Intake Manifold 102mm Throttle Body - Link

The A-Team 102mm intake manifold is manufactured with welded aluminum of TIG, and its intake is about 2" taller than the actual stock. This product ideally fits the cathedral-style ports of LS1, -2, -6 and heads the size of 4.8/5.3/5.7/6.0. This makes this product highly used and applicable to multiple vehicles.

Performance:

This is a top-rated intake manifold because of its performance booster feature. It is prevalent among its users as it increases the engine's efficiency by enhancing its torque. The packaging of this intake manifold includes Fuel Crossover Line, Black Intake Manifold, Black BodyThrottle, and Black Body Fuel Rails.

This intake manifold is provided with a gasket and other hardware that are required during the installation activity.

Design:

The Team 102mm intake manifold design has an aluminum black metal sheet of 3 millimeters thickness. The intake of this product does not flex or bend with vacuum or boost.

It is well-suited with Chevrolet Pontiac GMC LS, -1, -2, -6. The braided fuel of the line is incorporated along with Black fuel of rails. This intake manifold is the perfect choice for improving your 5.3 Vortec.

Pros:

• This intake manifold has a stunning design and appearance.
• This intake manifold is robustly built.
• It is fabricated with a heavy aluminum metal sheet.
• This product of intake manifold has a full RPM range.
• This product ideally suits the performance vehicles

Cons:

• The bolts are not provided with this product.
• This intake manifold doesn't come with a throttle bracket.
• This intake manifold product has a confusing port configuration.

Buying Guide for Selecting an Ideal Intake Manifolds for 5.3 Vortec

There are some essential factors and specifications about the intake manifold product to keep in mind while looking for one for your automobile. Some important factors are mentioned below that require consideration, and they will help you decide.

Accurate Fit:

The first thing you should focus upon is the fit of the intake manifold in your vehicle. It doesn't matter if the intake manifold has tons of facilities and features, but it is of no use to you if it doesn't fit accurately. If any intake manifold does not support your engine, all the attractive characteristics of it will be vain to you. So select a product that will fit your engine perfectly.

It is necessary to consider the following factors for finding the right fit:

• The hood clearance of the intake manifold.
• The throttle body carburetor mounting.
• The head-port design of the cylinders.

RPM Range:

It will help if you check the RPM range of your vehicle before buying some intake manifold because it makes it very easy for you to choose one with the assistance of the RPM range. A 600 RPM range is perfect for any streetcar so that it will be suitable for your car too.

Performance cars have a high degree of RPM, so for those cars, go for the RPM range of 2500-8000.

Idle Quality:

To achieve an outstanding performance of your vehicle's engine, you need to choose an intake manifold with better idle quality and throttle response. For this purpose, you need to prioritize the intake manifold with small cross-section runners and plenums for streetcars.

For performance cars, high cross-section runners and plenums are required. So, select the right one according to your automobile.

Durability:

An intake manifold's primary function is to control the engine temperature fluctuations. A good and durable product allows a better experience of managing the excessive temperature of the heat. For this cause, look for the intake manifolds composed of composite/combined metals or some sheet metals.

Plane System:

The plane system of a car is an essential matter to consider while buying an intake manifold because the wrong choice renders any intake manifold useless for your vehicle.

The proper plane system depends upon the type of vehicle you have. For instance, if you are driving a regular car, mild racing, with an RPM power range between 1500-6000, it will require a double plane system. A single plane system is needed for a performance car with a high horsepower rate and up to 8000 RPM range.

The Different Types of Intake Manifolds and Their Benefits

There are three main types of intake manifolds that are used in modern car engines. The most popular are the single plane manifold, dual plane manifold, and the tri-plane manifold. Each type has its own benefits for different people depending on their intended goal. The following article describes each one in detail, along with the pro's and con's of each type.

Single plane manifold

The single plane manifold is the most basic intake manifold design out of all three types. It has a large plenum and runners that go straight into the cylinder head ports, as opposed to the other two manifolds which have different runner designs. The single plane's large plenum gives it more low end torque compared to the other manifolds, allowing for more pull off the line. However,the large plenum causes sub-optimal volumetric efficiency (VE) values at higher engine speeds since air velocity decreases as it passes through the larger volume of intake air. Also, this type of manifold is prone to reversion which can cause unstable idle and high emissions.

Dual plane manifold

The dual plane intake manifold has two separate intake runners, each one feeding an individual set of cylinders on the engine. This type of manifold is more efficient than single plan manifolds at higher engine revs since air velocity does not drop off due to there being only one path for the air to travel. This manifold type is also much less susceptible to reversion compared to single plane manifolds.

Single vs dual-plane

The only causes for concern when using a dual-plane intake manifold are low speed drivability and torque, but these downsides can be fixed with electronic engine management which have features such as VVT (variable valve timing). So in terms of power production, a dual plane intake manifold is more beneficial than a single plane intake manifold. In addition, the large plenum that comes with a single plane intake manifold does not provide any benefit at higher engine speeds which makes it less beneficial for high end performance applications.

Tri-plane manifold

A tri-plane intake manifold has three individual intake runners, each feeding a separate set of cylinders. This manifold type has the advantages of both single and dual plane manifolds, while eliminating their disadvantages. Therefore, it is more efficient than both types at producing horsepower compared to either one. It also drivability and torque characteristics are similar to that of dual plane manifolds but without the low speed disadvantages. The only major drawback with this manifold type is its complexity which makes production cost much higher than other designs.

FAQs About the Intake Manifold for 5.3 Vortec

1. What is an intake manifold?

The intake manifold of any engine is a vital component to support the combustion system and make it work correctly. It is found in such vehicles that have an internal system of a combustion engine.

An engine needs an intake manifold for the distribution of fuel and air. In other words, an engine requires it to breathe. The intake manifold has three crucial components to function: the mixed fuel-air, combustion, and spark. It has a string of tubes that direct the air towards the engine and ensures air reach all the engine cylinders.

The distribution of air is a vital phenomenon when the engine's combustion system starts its initial stroke. It has a cooling effect on the engine and keeps the temperature regular; this is essential to prevent overheating.

The intake manifold utilizes a coolant that passes through the cylinder heads of the manifold. This coolant absorbs all the heat and leaves behind a cooling reaction.

2. What are the traits of a faulty intake manifold?

When an intake manifold starts to develop faults, they become pretty noticeable. When you observe any bad signs of your vehicle's intake manifold and ignore them instead of going to your mechanic, these symptoms could have some drastic effect on your automobile.

The symptoms are as follow:

• The rough and inconsistent start of the engine.
• The leaking of the coolant from the vehicle.
• The Check Engine warning/light turns on frequently.
• The overheating of the engine.
• Some colored leakage from vehicles like yellow, green, and red.
• The engine starts to misfire.
• The engine's reduced level of fuel efficiency.

When you observe such signs, you need to restore the faulty intake manifold with a new one.

3. Can I drive a vehicle with a defective intake manifold?

I don't suggest driving a car with a faulty intake manifold, but you can if it is unavoidable. But don't do this regularly because it can further affect your engine and its functioning. Refrain from driving such a car intentionally, as the coolant will keep leaking from your vehicle, resulting in overheating.

The overheating can stall your car, and if the problem is intensified, the vehicle might misfire. This is threatening because, in this case, you can lose control over the vehicle that may lead to some accident. The more you ignore the intake manifold repairs, the more damaged it gets, and the repair cost multiplies.

Although you can drive an automobile with a damaged intake manifold, it is not the right thing. It would be best to approach your mechanic when you observe coolant leakage and get it replaced before any mishap. This way, the repairs would not seem expensive, and you can avoid any possible incidents.

Buy them at Etsy, Walmart, eBay (subject to availability)

Dorman 615-183 Engine Intake Manifold for Select Models, Black - Walmart, Etsy, eBay

FAST 54039B LSX Black 92mm Intake Manifold - Walmart, Etsy, Ebay

FAST LSXr 102mm Intake Manifold for LS1, LS2, and LS6 (146302B), black - Walmart, Etsy, eBay

A-Premium Upper Intake Manifold Replacement for Chevrolet Express Silverado 1500 2500 - Walmart, Etsy, Ebay

Edelbrock 7118 Performer LS1 Intake Manifold - Walmart, Etsy, eBay

A-Team Performance Intake Manifold 102mm Throttle Body Sheet Metal Fabricated Compatible - Walmart, Etsy, eBay

LSXrt 102mm Intake Manifold for GM LS 4.8/5.3/6.0L Truck with Cathedral Port Heads - Walmart, Etsy, eBay

Compatible with Chevy Silverado Thoe Suburban/GMC Sierra Savana Yukon/Cadillac Escalade - Walmart, Etsy, Ebay

GM Genuine Parts 25200449 Intake Manifold - Walmart, Etsy, Ebay

Dorman 615-380 Engine Intake Manifold for Select Buick/Chevrolet Models (OE FIX) - Walmart, Etsy, eBay

Conclusion for 5.3 VortecManifold Buyers

Intake manifolds are responsible for carrying air to the engine. They feed the cylinders with an appropriate amount of air based on throttle position and acceleration. Air needs to be at the right pressure in order to get into the cylinders; this is done by using a MAF sensor (mass airflow sensor) that tells the engine computer (ECU) what is coming in. The computer is then able to adjust fuel delivery based on the air that it senses.

It's not surprising to see coolant leakage when you drive your vehicle daily, and there is no need to worry if you observe engine light coming on or the engine's roughness when you start. In addition, the reduced efficiency of the fuel and the extreme overheating of the engine all point towards a defective intake manifold. If you notice one or two of these signs, then your intake manifold requires a replacement. And in this section, we have delineated the products for 5.3 Vortec and their features that will be best for your vehicle, along with buying guide that will help you choose. So, select a product you think will best fit your automobile and that will ensure improved performance.