Best Rtv For Intake Manifold – Top 5 Picks & Review

Ever wondered what makes your engine run smoothly? A big part of that is the intake manifold, and how well it seals. But when it’s time to replace that seal, you might find yourself staring at a wall of RTV silicone options. It can feel overwhelming, right? Choosing the wrong RTV can lead to annoying vacuum leaks, poor engine performance, and even costly repairs down the road.

That’s exactly why we’re diving deep into RTV silicone for intake manifolds. We know the frustration of not knowing which product will actually do the job and last. In this post, we’ll break down what you need to know, making it easy to pick the best RTV for your needs. You’ll learn what makes one RTV better than another for this specific job, and how to avoid common mistakes.

By the end of this guide, you’ll feel confident about selecting the right RTV silicone, ensuring a strong seal for your intake manifold. So, let’s get started and make sure your engine breathes easy!

Our Top 5 Rtv For Intake Manifold Recommendations at a Glance

Top 5 Rtv For Intake Manifold Detailed Reviews

1. Edelbrock 2040 Performer EPS Intake Manifold Installation Kit

Edelbrock 2040 Performer EPS Intake Manifold Installation Kit, Multicolor, One Size

Rating: 9.2/10

The Edelbrock 2040 Performer EPS Intake Manifold Installation Kit is a precision-built component designed to enhance your vehicle’s performance. This kit comes with everything you need to install your Edelbrock intake manifold, ensuring a proper and efficient fit. It is specifically made for certain vehicles, meaning it’s designed to work with your car’s unique setup. The kit is manufactured in the United States, known for its quality automotive parts.

What We Like:

  • Precision built for a perfect fit.
  • Made in the United States, so you know it’s good quality.
  • Vehicle-specific fit ensures compatibility.
  • Includes all necessary components for installation.

What Could Be Improved:

  • The package weight is quite heavy at 16.749 pounds.
  • The “Multicolor, One Size” description might be a little confusing as installation kits are typically not one size fits all.

This installation kit is a solid choice for anyone looking to upgrade their intake manifold. It provides the necessary parts for a smooth installation process.

2. KAX MS96792 Intake Manifold Gasket Set for Ford E-350 Club Wagon 2004-2005

KAX MS96792 Intake Manifold Gasket Set for Ford E-350 Club Wagon 2004-2005, E-350 Super Duty 2004-2010, E-450 Super Duty 2004-2010, Excursion 2003-2005, F-250 Super Duty 2003-2007

Rating: 8.5/10

Keep your Ford truck or van running smoothly with the KAX MS96792 Intake Manifold Gasket Set. This set is designed to replace your old, worn-out gaskets and ensure a tight seal for your engine. It’s built to last and provides excellent performance for a variety of Ford models, including the E-350 Club Wagon, E-350 Super Duty, E-450 Super Duty, Excursion, and F-250, F-350, F-450, and F-550 Super Duty trucks. This gasket set is a direct replacement for various OE part numbers, making it easy to find the right fit.

What We Like:

  • Superior Quality Materials: Made from strong stainless steel (201 or 368) and includes RTV Silicone, MLS metal, and flexible graphite for excellent resistance to heat, pressure, and corrosion. This helps your engine maintain a strong seal for a long time.
  • Wide Compatibility: Fits many Ford vehicles like the E-350 Club Wagon (2004-2005), E-350 Super Duty (2004-2010), E-450 Super Duty (2004-2010), Excursion (2003-2005), and various F-Series Super Duty trucks (2003-2007).
  • Easy Installation: Designed for a direct fit, this gasket set is plug-and-play. It’s quick and simple to install, saving you time and effort.
  • Direct OE Replacement: Replaces part numbers like 017827, 11-10291-01, FELMS96792, and MS19311, making it a reliable choice.

What Could Be Improved:

  • Package Contents: The package includes only one engine intake manifold gasket set. Depending on the specific repair, additional gaskets or components might be needed, which are not included.

This KAX gasket set offers a quality solution for your Ford’s intake manifold needs. It’s a durable and easy-to-install option that can help restore your engine’s performance.

3. MS97214 Fuel Injection Plenum Gasket Upper Intake Manifold Gasket Set For Ford Edge Explorer Mustang Flex Transit F-150 Taurus MKS MKT MKZ MKX 2011 12 13 14 15 16 17 18 19 2020-2024 3.5L 3.7L 3.3L

MS97214 Fuel Injection Plenum Gasket Upper Intake Manifold Gasket Set For Ford Edge Explorer Mustang Flex Transit F-150 Taurus MKS MKT MKZ MKX 2011 12 13 14 15 16 17 18 19 2020-2024 3.5L 3.7L 3.3L

Rating: 8.7/10

Keep your Ford running smoothly with the MS97214 Fuel Injection Plenum Gasket Upper Intake Manifold Gasket Set. This set is designed for a wide range of Ford vehicles, including the Edge, Explorer, Mustang, Flex, Transit, F-150, Taurus, MKS, MKT, MKZ, and MKX models from 2011 to 2024. It specifically fits engines with 3.5L, 3.7L, and 3.3L displacements. This is a crucial part for your vehicle’s fuel injection system, ensuring a proper seal to prevent leaks and maintain optimal performance.

What We Like:

  • Wide Compatibility: Fits many Ford models and engine sizes from 2011-2024.
  • High-Quality Material: Made from super quality silica gel for durability.
  • Direct Replacement: Replaces part number MS97214, making installation straightforward.
  • Good Value: Offers a reliable solution for your intake manifold needs.

What Could Be Improved:

  • Specific Model Years: While compatible with many years, always double-check your exact vehicle model and year before purchasing.

This gasket set is a smart choice for maintaining your Ford’s engine. It provides a quality seal and is built to last.

4. FEL-PRO MS 97093 Engine Intake Manifold Gasket Set for Honda CR-V

FEL-PRO MS 97093 Engine Intake Manifold Gasket Set for Honda CR-V

Rating: 8.6/10

The FEL-PRO MS 97093 Engine Intake Manifold Gasket Set is a top-notch choice for keeping your Honda CR-V or other compatible vehicles running smoothly. This gasket set is built to last and ensures a tight seal for your engine’s intake manifold, which is crucial for proper engine performance.

What We Like:

  • Wide Compatibility: It fits many Honda and Acura models, including the 2010-2014 Honda CR-V, 2012-2015 Honda Civic, and many more.
  • Engineered for Tough Jobs: Fel-Pro designed this set specifically to handle imperfect sealing surfaces, making your repair job easier.
  • Advanced Sealing: It uses special materials and unique designs for a superior seal that keeps your engine running efficiently.
  • Proven Quality: Fel-Pro engineers rigorously test and approve every part, and they test them in real cars to make sure they work well on the road.
  • Complete Repair: The set includes everything you need for the job, so you don’t have to search for extra parts.

What Could Be Improved:

  • Fit Verification is Key: You must carefully check the “Amazon Confirmed Fit” bar and enter all your vehicle details to be sure it’s the right part. Sometimes there are important notes to read.

This gasket set offers great performance and reliability for your vehicle’s engine. It’s a dependable option for anyone needing a quality intake manifold gasket replacement.

5. MS 98014 T Engine Intake Manifold Gasket Set Compatible with Buick Pontiac Oldsmobile Chevrolet 3.8L V6 Engines

MS 98014 T Engine Intake Manifold Gasket Set Compatible with Buick Pontiac Oldsmobile Chevrolet 3.8L V6 Engines, Intake Manifold Gasket Kit Replace MS98014T MS20204 RB31240002 11-10563-01

Rating: 9.2/10

Is your Buick, Pontiac, Oldsmobile, or Chevrolet 3.8L V6 engine showing signs of coolant leaks? The MS 98014 T Engine Intake Manifold Gasket Set is designed to fix those problems. This kit is a direct replacement for your old, worn-out gasket, helping your engine run smoothly again. It’s made with better materials to ensure a tight seal and prevent leaks, keeping your engine protected.

What We Like:

  • It directly replaces common part numbers like MS98014T, MS20204, and RB31240002, making it easy to find the right fit.
  • This gasket set works with a wide range of Buick, Chevrolet, Oldsmobile, and Pontiac models from the mid-90s to the late 2000s.
  • The upgraded steel bracket design offers better stability than original composite parts.
  • The rubber seals are made to handle high temperatures and coolants, creating a more reliable seal.
  • You get 19 pieces in the kit, covering everything you need.
  • The product comes with a 3-year service guarantee, giving you peace of mind.

What Could Be Improved:

  • The product description doesn’t mention specific installation instructions or tools needed, which might be helpful for DIYers.
  • While it lists many compatible vehicles, it’s always good to double-check your specific car’s year and model before purchasing.

This MS 98014 T gasket set offers a robust solution for common engine issues. It’s a worthwhile investment for restoring your vehicle’s performance and preventing future coolant problems.

Choosing the Right RTV for Your Intake Manifold

When you need to seal your engine’s intake manifold, a good RTV (Room Temperature Vulcanizing) sealant is essential. This sticky stuff fills gaps and stops air leaks. A leaky intake manifold can cause all sorts of engine problems. It can make your engine run rough, lose power, and even hurt your fuel economy. Finding the best RTV for this job is important.

Key Features to Look For

When you’re shopping for RTV sealant for your intake manifold, keep these important features in mind:

  • Temperature Resistance: Your engine gets hot. The RTV needs to handle high temperatures without breaking down. Look for sealants that can withstand heat well.
  • Oil and Coolant Resistance: The intake manifold area can be exposed to oil and coolant. The RTV should resist these fluids so it doesn’t get soft or start to leak.
  • Flexibility: Engines vibrate. The RTV needs to stay flexible so it doesn’t crack or peel away when the engine moves.
  • Adhesion: The sealant must stick well to the metal surfaces of your intake manifold and cylinder head. Good adhesion means a strong, lasting seal.
  • Cure Time: Some RTVs cure faster than others. A faster cure time means you can get your engine back up and running sooner.

Important Materials

Most RTV sealants are silicone-based. This type of material is great for sealing because it stays flexible and can handle heat and fluids. You’ll see different types of silicone RTVs. Some are designed for specific jobs. For intake manifolds, you want a high-temperature, oil-resistant silicone.

Factors That Improve or Reduce Quality

Several things can make an RTV sealant better or worse for your intake manifold:

  • Brand Reputation: Well-known brands often use better ingredients and have stricter quality control. This usually means a more reliable product.
  • Formulation: The specific mix of chemicals in the RTV matters. A good formulation will offer a balance of heat resistance, flexibility, and adhesion.
  • Application Method: How you apply the RTV is also important. Using the right amount and spreading it evenly helps create a strong seal.
  • Surface Preparation: Clean surfaces are key. If the metal is dirty or oily, the RTV won’t stick properly. Always clean the mating surfaces before applying sealant.
  • Curing Environment: Temperature and humidity affect how RTV cures. Follow the manufacturer’s instructions for the best results.

User Experience and Use Cases

Most people use RTV sealant for intake manifold gaskets. This is a common repair or maintenance task for car owners and mechanics.

  • DIY Repairs: If you’re comfortable working on your car, you can use RTV to replace a leaky intake manifold gasket. It’s a more budget-friendly option than buying a brand-new gasket sometimes.
  • Professional Mechanics: Mechanics rely on high-quality RTVs for reliable engine repairs. They know which products work best and how to apply them correctly.
  • Preventative Maintenance: Some people use a thin bead of RTV around the edges of a new gasket for extra protection against leaks.

Using the right RTV sealant helps ensure your engine runs smoothly and efficiently.


Frequently Asked Questions (FAQ) about RTV for Intake Manifolds
Q: What is RTV sealant?

A: RTV sealant stands for Room Temperature Vulcanizing sealant. It’s a type of silicone sealant that hardens when exposed to the air at normal temperatures.

Q: Why do I need RTV for my intake manifold?

A: You need RTV to create a tight seal between the intake manifold and the engine. This stops air leaks, which can cause engine problems.

Q: What kind of RTV is best for intake manifolds?

A: You should use a high-temperature and oil-resistant RTV sealant. Silicone-based RTVs are usually the best choice.

Q: Can I just use any RTV sealant?

A: No, it’s important to use an RTV specifically designed for automotive engine applications, especially for high-heat areas like the intake manifold.

Q: How do I prepare the surface before applying RTV?

A: You must clean the surfaces thoroughly. Remove all old gasket material, oil, and dirt. A brake cleaner or degreaser works well.

Q: How much RTV should I use?

A: Apply a thin, even bead. Too much RTV can squeeze out and block important passages in your engine.

Q: How long does RTV take to cure?

A: Cure times vary by product. Most RTVs need at least an hour to set up, but a full cure can take up to 24 hours. Always check the product label.

Q: Can RTV replace a gasket entirely?

A: Sometimes, yes. Many intake manifold gaskets are designed to be used with RTV. In other cases, RTV is used to supplement a gasket for a better seal.

Q: What happens if my intake manifold leaks?

A: Leaks can cause rough idling, poor acceleration, a check engine light, and decreased fuel efficiency.

Q: Where can I buy RTV sealant for my intake manifold?

A: You can find RTV sealants at auto parts stores, hardware stores, and online retailers.

In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.

If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.

Leave a Comment