Best Intake Manifold Sealant for 2023 (Review)

Sometimes it might be quite difficult to find the best intake manifold sealant. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this intake manifold sealant buying guide.

Quick Picks:

#	Preview	Product
1		Permatex 82194 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker, 3.5 oz.	Check Price
2		Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, Sensor Safe And...	Check Price
3		J-B Weld 37901 ExtremeHeat High Temperature Resistant Metallic Paste - 3 oz	Check Price
4		Permatex 27036 Optimum Grey Gasket Maker 3 oz	Check Price
5		ATP AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle	Check Price
6		Bar's Leaks 1109 Block Seal Liquid Copper Intake and Radiator Stop Leak - 18 oz.	Check Price
7		Loctite 37464 Grey RTV 598 High Performance Silicone. 80 ml.	Check Price
8		Permatex 81878 Ultra Copper Maximum Temperature RTV Silicone Gasket Maker, 3 oz. Tube	Check Price
9		Permatex 81160 High-Temp Red RTV Silicone Gasket, 3 oz	Check Price
10		Permatex 80019 Aviation Form-A-Gasket No. 3 Sealant, 4 oz.	Check Price

10 Best Intake Manifold Sealant Reviews:

SaleBestseller No. 1

Permatex 82194 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker, 3.5 oz.

• Designed specially for high-torque and high vibration applications
• Maximum vibration resistance, with outstanding resistance to oils, cooling and shop fluids
• Low odor and non-corrosive formula
• Suggested Applications: Valve covers, oil pans, intake manifold end seals, timing covers, water pumps, thermostat housings

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SaleBestseller No. 2

Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, Sensor Safe And Non-Corrosive, For High Flex And Oil Resistant Applications 3 oz

• Non-Corrosive Formula - Ultra Black Maximum Oil Resistance Silicone Gasket Maker Is Sensor-safe; With A Non-Corrosive Formula Designed For Superior Adhesion To Oily Surfaces And Long Term Durability
• Superior Resistance - Powertrain Fluids Including Engine Oil, Transmission Fluid, Gear Lube And Coolants To Keep Your Application Locked In Place To Create A Strong Long Lasting Seal
• High Flexibility - Ultra Black Silicone Gasket Maker Retains High Flexibility And Oil Resistant Properties And Can Be Used To Replace Pre Cut Gaskets Or Be Used As A Gasket Maker Or Gasket Sealant
• Long-lasting And Durable - Ultra Black Resists Aging, Weathering And Thermal Cycling Without Hardening, Shrinking Or Cracking. With A Temperature Range Of -65°f To 500°f (-54°c To 260°c) Intermittent
• Suggested Applications: Valve Covers And Valve Guides, Oil Pans, Transmission Pans, Intake Manifold End Seals, Timing Gear Covers, And Differential Covers

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Bestseller No. 3

J-B Weld 37901 ExtremeHeat High Temperature Resistant Metallic Paste - 3 oz

• Jb Weld Extreme Heat: Is Formulated For Repairs To Iron, Steel And Metal In High Temperature Environments 1000°F / 537°C. Non-Flammable, It Contains No Solvents Or Volatile Organic Compounds (Vocs).
• The Original Cold Weld: Jb Weld Was Developed As An Alternative To Torch Welding. Designed To Be Effective In Extreme Environments, Once It Sets, It Creates A Permanent Bond Stronger Than Steel.
• Simple To Use: When Fully Cured, This Metallic Compound Can Be Drilled, Machined Or Sanded. It Is Great For Repairing Cracks, Small Gaps, Seam Connections Or Holes.
• Versatile & Dependable: Ideal For Repair Work On : Exhaust Manifolds, Pipe Connections, Mufflers, Catalytic Converters, Outdoor Grills, Fire Boxes, Gas And Commercial Furnaces And Water Heaters.

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Bestseller No. 4

Permatex 27036 Optimum Grey Gasket Maker 3 oz

• Sensor-safe, low odor, and non-corrosive.
• Maximum vibration resistance, with outstanding resistance to oils, cooling fluids, and shop fluids. 15% more flexible than Ultra grey.
• Maximum temperature resistance: -65F to 700f(-54 DegreeC to 371 DegreeC) intermittent. 40% higher Temp. Than Ultra grey.
• The most Advanced, high Temp RTV silicone gasket maker Available.
• Includes 2 nozzles.

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Bestseller No. 5

ATP AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle

• Professional strength fast acting resealer, stops leaks fast
• Rejuivinates all rubber seals & gaskets in engines, transmissions, power steering, differentials and hydraulic systems
• Compatible with conventional and synthetic oils, ATF, gear oil, power steering fluids and hydraulic oil
• Does not contain petroleum distillates, will not over-swell or breakdown seals
• 8oz bottle will treat a 6 quart capacity, adjust accordingly

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Bestseller No. 6

Bar's Leaks 1109 Block Seal Liquid Copper Intake and Radiator Stop Leak - 18 oz.

• Seals larger leaks seals
• Repairs heater core leaks
• Repairs freeze plug leaks
• Repairs blown head gaskets
• Repairs blocks

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Bestseller No. 7

Loctite 37464 Grey RTV 598 High Performance Silicone. 80 ml.

• RTV Silicone 5699 High Performance Grey Gasket Maker, 80 ml. tube (37464)
• The package length is 21.6 centimeters
• The package height is 3.2 centimeters
• The package width is 10.4 centimeters

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Bestseller No. 8

Permatex 81878 Ultra Copper Maximum Temperature RTV Silicone Gasket Maker, 3 oz. Tube

• Permatex - Leading edge supplier of innovative products for auto enthusiasts, DIYers and professional technicians since 1909.The most advanced RTV silicon gasket sealant available.Three times more oil resistant than conventional silicone.Eight times more

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SaleBestseller No. 9

Permatex 81160 High-Temp Red RTV Silicone Gasket, 3 oz

• Formulated For Hi-Temp Applications, Or Heavy-Duty Use
• Replaces Almost Any Cut Gasket, And Coats Pre-Cut Gaskets To Increase Reliability
• Makes Reliable 'Formed-In-Place' Gaskets That Resist Cracking, Shrinking And Migrating
• Temperature Range Of -65F To 650F Intermittent

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Bestseller No. 10

Permatex 80019 Aviation Form-A-Gasket No. 3 Sealant, 4 oz.

• Slow-drying, non-hardening brush-top sealant
• Resists gasoline, oil and grease
• Approved for use in aviation as well as automotive applications
• Suggested Applications: Close-fitting machined surfaces, sealing hoses, solid gaskets
• Temperature range of -65F to 400F

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Last update on 2023-03-24 / Affiliate links / Images from Amazon Product Advertising API

How to find the best intake manifold sealant?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best intake manifold sealant for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good intake manifold sealant recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

• What features does the intake manifold sealant need to have to be perfect for my needs?
• What is my budget?
• Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for intake manifold sealant to find what you’re looking for:

Brand

In some cases, the brand of intake manifold sealant is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given intake manifold sealant are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about intake manifold sealant are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare intake manifold sealant quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best intake manifold sealant can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.