Best Gasket Sealers (April 2024) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, ...

9.9
CPR Score
Top 2

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

9.8
CPR Score
Top 3

Permatex 80062 High Tack Gasket Sealant, 4 oz.

9.7
CPR Score
Tips


Based on our evaluations of 247 Gasket Sealers and the analysis of over 70,621 consumer satisfaction reviews, We have rank top 30 Best Gasket Sealers reviews of different brands, such asPermatex, J-B Weld, CRC, Honda, Edelbrock, BlueDevil Products, Bar's Leaks, Blue Devil, Three Bond, STEEL SEAL, 4into1, K & W And Gasgacinch.

* Cherrypicksreviews.com is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

Market Overview
Gasket Sealers Reviewed
  • Reviews Analyzed: 70,621 Items
  • CPR Avg. Rating: 8.6 / 10
30 Products Evaluated
  • Highest Price: $190.50
  • Lowest Price: $4.69
  • Avg. Price: $27.07
  • Price Disclaimer

Top 30 Gasket Sealers on Amazon (Verified You can Buy)

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

Permatex
82180
1.38 x 3.81 x 8.0 Inches
0.1 Pounds

Ratings for Permatex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

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
Show More

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

Permatex
81160
1.25 x 3.81 x 8.0 Inches
0.2006 Pounds

Ratings for Permatex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Heintz Sales - Heintz Brothers Automotive 7,197
EDEN TRADING -
M&M AMZN Marketplace -
WT WORLD TRADING INC -

Features

Formulated For Hi-Temp Applications, Or Heavy-Duty Use
Replaces Almost Any Cut Gasket, And Coats Pre-Cut Gaskets To Increase Reliability
Show More

Permatex 80062 High Tack Gasket Sealant, 4 oz.

Permatex
80062
2.44 x 2.44 x 2.75 Inches
0.3 Pounds

Ratings for Permatex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
B2C Auto Parts 1,905

Features

Reliable, fast-drying, all-purpose sealant dries to a highly tacky, non-brittle film; remains tacky indefinitely
Tacky paste for holding cut gaskets in place during assembly; helps seal cut gaskets
Show More
Top 4

Gasgacinch 440-B Gasket Sealer and Belt Dressing, 8 oz

Gasgacinch
440-B
3.7 x 2.7 x 2.6 Inches
0.67 Pounds

Ratings for Gasgacinch (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
21deals -

Features

Gasgacinch Gasket Sealer and Belt Dressing provides unmatched gasket sealing properties, preventing leaks, reducing expensive repairs, and creates a superior grip as a belt dressing
Gasgacinch Gasket Sealer remains flexible and makes it easier to assemble and disassemble an engine or transmission, often any residue may be removed simply by rubbing it away
Show More

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

Permatex
80019
2.44 x 2.44 x 2.75 Inches
0.35 Pounds

Ratings for Permatex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
JBTools 241

Features

Slow-drying, non-hardening brush-top sealant
Resists gasoline, oil and grease
Show More

Permatex 22071 Water Pump and Thermostat RTV Silicone Gasket, 0.5 oz., 0.5 Ounce , blue

Permatex
22071
0.63 x 2.81 x 6.5 Inches
0.03 Pounds

Ratings for Permatex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Sensor-safe, noncorrosive RTV silicone gasket material formulated specifically for water pumps and thermostat housings.Fit Type: Universal Fit
Highest water-glycol resistance available in an RTV silicone
Show More

Bar's Leaks Block Seal Head Gasket Fix

Bar's Leaks
1111
9.5 x 2.6 x 2.5 Inches
1.5 Pounds

Ratings for Bar's Leaks (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Stops block leaks
Seals cracked cylinder heads and blocks
Show More

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

Permatex
82194
1.2 x 3.8 x 8.0 Inches
0.26 Pounds

Ratings for Permatex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Bright amztrader -
OMZ68 -

Features

Designed specially for high-torque and high vibration applications
Maximum vibration resistance, with outstanding resistance to oils, cooling and shop fluids
Show More

BlueDevil Products 38386 Head Gasket Sealer - 1 Quart

BlueDevil Products
38386
2.9 Pounds

Ratings for BlueDevil Products (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
ICE AUTO PARTS -
The Engine's Room -
Rugged Parts -
USA Supply Online -
DSR Auto Supply -

Features

Easy to use: The BlueDevil Head Gasket Sealer is designed to be easy to use, allowing you to quickly and easily seal leaks in your engine without the need for any special tools or skills.
Permanent seal: This product is formulated to provide a permanent seal for your head gasket, ensuring that you won't have to worry about leaks or other issues down the line. It will repair and seal leaks in blown head gaskets, warped or cracked heads, heater cores, and freeze plugs.
Show More

BlueDevil Products 00209 Pour-N-Go Head Gasket Sealer - 16 Ounce

BlueDevil Products
00209
2.75 x 2.75 x 5.5 Inches
1.0 Pounds

Ratings for BlueDevil Products (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
166 Auto Inc 2,746
DSR Auto Supply -

Features

Easy to use: Pour-N-Go, Do It Yourself formula is designed to be easy to use, allowing you to quickly and easily seal leaks in your engine without the need for any special tools or skills.
Permanent seal: This product is formulated to provide a permanent seal for your head gasket, ensuring that you won't have to worry about leaks or other issues down the line. It will repair and seal leaks in blown head gaskets, warped or cracked heads, heater cores, and freeze plugs.
Show More

Permatex 20539 Indian Head Gasket Shellac Compound, 2 oz.

Permatex
20539
1.25 x 3.69 x 1.25 Inches
0.1 Pounds

Ratings for Permatex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Hard setting, economical sealant
Formulated to lubricate under the most adverse brake conditions
Show More

Bar's Leaks 1100 Head Gasket Repair - 20 oz.

Bar's Leaks
1100
1.8 x 3.4 x 8.3 Inches
1.41 Pounds

Ratings for Bar's Leaks (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
ICE AUTO PARTS -

Features

Stops block leaks
Seals cracked cylinder heads and blocks
Show More

Permatex 85420 Permashield Fuel Resistant Gasket Dressing & Sealant, 2 oz Tube, Orange

Permatex
85420
0.0 x 0.0 x 0.0 Inches
0.05 Pounds

Ratings for Permatex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
JBTools 241
Newparts 726
Staples Auto Parts -

Features

Resistant to gasoline and all other automotive fluids
Remains flexible even at high temperatures and withstands rapid temperature changes
Show More

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

Permatex
81878
8.0 x 4.0 x 2.0 Inches
0.1874 Pounds

Ratings for Permatex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Most Advanced, High Temp Rtv Silicone Gasket Available.Fit Type: Universal
Three Times More Oil Resistant Than Conventional Silicones; Eight Times More Flexible Than Cut Gaskets
Show More
Top 15

Blue Devil (00209-6PK) Pour-N-Go Head Gasket Sealer - 16 Ounce, (Pack of 6)

Blue Devil
00209-6PK
1.0 Pounds

Ratings for Blue Devil (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
ICE AUTO PARTS -
Auto Barn -
Highway To Buy LLC -

Features

Good for Head Gaskets, Warped or Cracked Heads, Heater Cores, and Freeze Plugs
Contains no solid or particulate matter that can harm a vehicles engine
Show More

Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, 3.35 oz. Tube, 2 Pack

Permatex
82180-2
1.0 x 4.0 x 4.0 Inches

Ratings for Permatex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Newparts 726
alineauto -
American Trading Co -
B and S Supply 1,809

Features

Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, 3.35 oz. Tube, 2 Pack
Top 17

BlueDevil 32oz Head Gasket Sealer w/Radiator Flush

2.0 Pounds

Ratings for BlueDevil 32oz Head Gasket Sealer w/Radiator Flush (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
ICE AUTO PARTS -

Features

Permanently Seals Blown Head Gaskets
Permanently Seals Leaking Radiators
Show More

J-B Weld 32509 Ultimate Black RTV Silicone Gasket Maker and Sealant - .5 oz.

J-B Weld
32509
6.0 x 7.0 x 4.0 Inches
0.0313 Pounds

Ratings for J-B Weld (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

RTV SILICONE SEALANT & ADHESIVE: Is a general purpose RTV (Room Temperature Vulcanized) Silicone, designed for sealing and bonding uneven surfaces

K&W 401224 FiberLock Head Gasket & Block Repair - 32 Fl Oz

K & W
401224
3.4 x 3.4 x 9.54 Inches

Ratings for K & W (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
G.P.S. 360
1185 Corp 3,987

Features

PERMANENT FIX: Seals larger holes with less fluid loss than competitive products to permanently repair leaks in 30 minutes or less.
EASY TO USE: Our easy; pour-in formula allows you to fix leaks without having to drain your cooling system.
Show More
Top 20

Edelbrock 9300 Gasgacinch Gasket Sealer - 4 oz

Edelbrock
9300
0.0 x 0.0 x 0.0 Inches
0.3 Pounds

Ratings for Edelbrock (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Performance Parts Racing 9,618

Features

Ensures proper sealing of all gaskets used in a manifold installation
Allows easy gasket removal during parts disassembly
Show More
Top 21

K&W 401612 Copper Coat Aerosol - 9 Wt Oz High Tack Sealant for Metallic, Hard Surfaces, Rubber Gaskets | Automotive Adhesives & Sealants

CRC
401612
2.63 x 2.63 x 6.38 Inches
0.0006 Pounds

Ratings for CRC (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Tblakely23 1,651
Dave Electronics 1,217

Features

K&W SEALANTS & SOLUTIONS: From head gaskets and engine blocks to automatic transmissions and power steering, K&W products are made to stop leakage in aging vehicles. Our sealants provide an effective alternative to costly repairs and parts replacements.
AEROSOL GASKET SEALANT: Formulated to prevent compression loss on premium gaskets, Copper Coat goes on tacky to hold gaskets firmly in place. It contains copper for long lasting and high temperature applications.
Show More
Top 22

Hondabond 4-08717-1194 - Semi-drying Liquid Gasket - Gasket Sealer Sealant Fits Honda Universal Fitment Many Motorcycle

4into1
0.2813 Pounds

Ratings for 4into1 (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Metro 24 Wholesale, Inc. 9,026
4into1 -

Features

Genuine Hondabond 4 semi-drying liquid gasket sealant. Remember to clean the part / bolt thoroughly before applying liquid gasket.
Apply it as thinly and evenly as possible using a brush or putty knife. This really matters, it can make the difference between the sealant working or not working. If you do a nice neat job, it will seal and last. Wait one minute after applying the liquid gasket, then join the two surfaces.
Show More
Top 23

Permatex 25228 The Right Stuff 90 Minute Black Gasket Maker, 3 oz, 1 Count (Pack of 1)

Permatex
25228
1.5 x 3.81 x 8.0 Inches
0.23 Pounds

Ratings for Permatex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Newparts 726
SEJ Company LLC 2,450

Features

Strong and Fast Seal
Replaces Precut Gaskets
Show More
Top 24

Three Bond Engine Silcone Gasket 1211-3.5oz. TB1211

Three Bond
TB1211
8.0 x 5.6 x 2.8 Inches
0.3 Pounds

Ratings for Three Bond (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
SoCal Powersports -
NG, Inc. 1,396
Speed Outfitters 9,138
Longhorn Moto 3,344
PERF-MOTO -
Hlp, inc -

Features

Tough durable sealer utilizing silicone rubber

Permatex 80022 Sensor-Safe Blue RTV Silicone Gasket Maker, 3 oz. Tube

Permatex
80022
1.25 x 3.81 x 8.0 Inches
0.1 Pounds

Ratings for Permatex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Elite Tool Center 8,779

Features

Effectively replaces almost any cut gasket.Fit Type: Universal Fit
Makes reliable 'formed-in-place' gaskets that resist cracking, shrinking and migrating
Show More

Permatex Hi-Temp Rtv Silicone Gasket Maker 3.35 Oz. -65 To 500 °f

Permatex
82180
9.0 x 3.8 x 8.0 Inches
0.0006 Pounds

Ratings for Permatex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Multi Brands 305 -
American Trading Co -

Features

Hi temp
3.35 oz. tube
Show More

Hondabond High-Temp Silicone Liquid Gasket 1.9 fl oz

Honda
08718-0004
0.0 x 0.0 x 0.0 Inches
0.125 Pounds

Ratings for Honda (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Dealer Sales Solutions LLC. 7,159
SNPartners 2,558
OEM Goods Direct -
Northstate Powersports -
Acura of Brookfield -

Features

1.9 fl oz
High-Temp formula is good up to 600 degress farenheit
Show More

Permatex 27036 Optimum Grey Gasket Maker 3 oz

Permatex
27036
1.25 x 3.813 x 8.0 Inches
0.25 Pounds

Ratings for Permatex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
VerSure 26

Features

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.
Show More

Permatex 51813 Anaerobic Gasket Maker, 50 ml Tube , Red, Packaging may vary.

Permatex
51813
1.5 x 3.81 x 8.0 Inches
0.17 Pounds

Ratings for Permatex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
VerSure 26

Features

Ideal for on-the-spot and emergency repairs, or when a conventional gasket is unavailable
Fills gaps up to .015" and cures to a solvent-resistant seal that will not tear or decay during service
Show More
Top 30

Head Gasket Sealer for 6 Cylinder Engines - Steel Seal

STEEL SEAL
4.0 x 4.0 x 8.0 Inches

Ratings for STEEL SEAL (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Steel Seal U.S.A. -

Features

Permanently seals head gasket leaks
Do-It-Yourself pour in head gasket fix
Show More

Top 10 Gasket Sealers - Verified to Buy (Apr. 2024)

Top 10 Gasket Sealers Brands on Amazon

Here is the list of top-rated brands that were evaluated by CherryPicks.

  • Permatex
  • Gasgacinch
  • Bar's Leaks
  • BlueDevil Products
  • Blue Devil
  • J-B Weld
  • K & W
  • Edelbrock
  • CRC
  • 4into1

Specific Gasket Sealers Guides

For more personalized Gasket Sealers guides to match your different needs, check out the following pages,


Top 10 Gasket Sealers Sellers: CPR Seller Rank List

CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 VerSure 25,732 4.9
🥈 JBTools 7,916 4.8
🥉 G.P.S. 6,146 4.9
4 Newparts 3,885 4.2
5 Dave Electronics 2,811 4.8
6 NG, Inc. 2,586 4.9
7 Tblakely23 2,319 4.8
8 B and S Supply 2,189 4.6
9 B2C Auto Parts 2,112 4.5
10 SEJ Company LLC 1,765 4.9
View or download top Gasket Sealers seller & rating report
VerSure [25732] JBTools [7916] G.P.S. [6146] Newparts [3885] Dave Electronics [2811] NG, Inc. [2586] Tblakely23 [2319] B and S Supply [2189] B2C Auto Parts [2112] SEJ Company LLC [1765] VerSure 45% JBTools 14% G.P.S. 11% Newparts 7% Dave Electronics 5% NG, Inc. 5% Tblakely23 4% B and S Supply 4% B2C Auto Parts 4% SEJ Company LLC 3%

[Get] Gasket Sealers Deals (✅Exclusively for Prime)

What does "Amazon Fulfilled" Mean?

Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.

When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.

What does "Prime" Mean?

"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are  an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.

Prime members also have access to other benefits, including 2-Day ShippingExclusive Member DealsPrime VideoBuy With PrimeAmazon MusicPrime Gaming, and more.

Shop Prime Gasket Sealers Deals

What does "Free Shipping" Mean?

"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.

Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.


Why Should You Trust Us?

Now hundreds and thousands of Car Care supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Gasket Sealers to buy for new April 2024?

CherryPicks’s Methodology for Evaluating Gasket Sealers

We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Car Care items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.

We collected and analyzed 247 of Gasket Sealers reviews based on our selection criteria. It helped us shortlist the top qualified and rated Gasket Sealers for Car Care, We found that most customers choose Gasket Sealers with an average price of $27.07, and the top brands are Permatex, J-B Weld, CRC, Honda, Edelbrock, BlueDevil Products, Bar's Leaks, Blue Devil, Three Bond, STEEL SEAL, 4into1, K & W And Gasgacinch. 

Then our expert-level editors reviewed all those quality items and selected the top 30 Gasket Sealers for you, We have researched hundreds of sellers and picked the top sellers for Car Care, including VerSure, JBTools, G.P.S., Newparts, Dave Electronics, NG, Inc., Tblakely23, B and S Supply, B2C Auto Parts, SEJ Company LLC, SNPartners And 166 Auto Inc. The Permatex 82180 Ultra Black Maximum Oil Resistan... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 15,811 consumers with an average rating of 4.7.

We've helped a lot of satisfied users get the right Automotive product based on their needs, and save lots of time for them to pick Gasket Sealers to buy.


Written By Craig Hill

Christian Buccho is a mechanic in love with automotive repairs. He will be sharing his experience with us an automotive repairer over the years. He will not only provide us with informative articles, he would also be providing us with hands-on reviews on automotive parts.