Best Automotive Sealants (Sep. 2024) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

Permatex 81158 Black Silicone Adhesive Sealant, 3 oz. Tube, Pack of 1

9.8
CPR Score
Top 2

3M Urethane Seam Sealer, 08367, Black Color, High Solids, Permanently Flexibl...

9.8
CPR Score
Top 3

Barrier Bond Black Seam Sealer Compound - 10.1 fl. Ounce Tube

9.7
CPR Score
Tips


Our team has recommended top 30 Automotive Sealants to make your shopping easy after considering different features about Automotive Sealants reviews of brands, including Chemical Guys, 3M, Loctite, Permatex, ACDelco, J-B Weld, CRC, Dicor, 3M TALC, Custom Shop, CARPRO, ARP, WOLFGANG CONCOURS SERIES, Evercoat, House of Kolor, Speedokote And Acme/Finish 1. And after researching, Permatex 81158 Black Silicone Adhesive Sealant,... is a highly recommended Automotive Sealants item.

* CherryPicks.Reviews 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.

The Best Automotive Sealants Rated by CherryPicks

Market Overview
Automotive Sealants Reviewed
  • Reviews Analyzed: 71,212 Items
  • CPR Avg. Rating: 8.6 / 10
30 Products Evaluated
  • Highest Price: $307.49
  • Lowest Price: $5.18
  • Avg. Price: $35.17
Price Disclaimer

Top 30 Automotive Sealants on Amazon (Verified You can Buy)

Permatex 81158 Black Silicone Adhesive Sealant, 3 oz. Tube, Pack of 1

Permatex
81158
8.0 x 4.0 x 2.0 Inches
0.2403 Pounds

Ratings for Permatex (CPR Score)

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

Features

Professional Formula - This Black Silicone Adhesive Sealant Is A Sensor-safe, General Purpose Black RTV Sealant That Can Be Used Inside Or Outside For All Your Jobs
Do It All- Seal, Bond, Repair, Mend And Secure Glass, Metal, Plastics, Fabric, Vinyl, Weather Stripping, Vinyl Tops, And More With This Black RTV Silicone Sealant
Show More
Top 2

3M Urethane Seam Sealer, 08367, Black Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz Cartridge

3M
08367
9.0 x 2.0 x 2.0 Inches
0.42 Pounds

Ratings for 3M (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
ProVision Paint Supply 9,909

Features

SINGLE COMPONENT FORMULA: Adheres well to bare metal, primed metal and painted surfaces
MOISTURE CURING PROPERTY: Provides excellent performance in high heat and humidity environments
Show More
Top 3

Barrier Bond Black Seam Sealer Compound - 10.1 fl. Ounce Tube

Custom Shop
2.0 x 2.0 x 11.5 Inches

Ratings for Custom Shop (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
TCP Global Corp 59

Features

Seam Sealer Compound is fast curing and designed exclusively for automotive uses
This product is a one part, high performance sealant that combines high flexibility with high ultimate strength, permanent bonds and long service life.
Show More

J-B Weld 31919 Black RTV Silicone Sealant and Adhesive - 10.3 oz.

J-B Weld
31919
4.5 x 6.25 x 9.5 Inches
0.6437 Pounds

Ratings for J-B Weld (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Engines Stores ✅✅ 9,761

Features

RTV SILICONE SEALANT & ADHESIVE: Is a general purpose RTV (Room Temperature Vulcanized) Silicone, designed for sealing and bonding uneven surfaces
WHAT THE PROFESSIONALS USE: Builders, mechanics & repair pros know our products bond strong to a variety of surfaces in even the toughest environments. Choose the product pros trust for your project
Show More
Top 5

3M Marine Adhesive Sealant 5200 (05203) Permanent Bonding and Sealing for Boats and RVs Above and Below the Waterline Waterproof Repair, White, 3 fl oz Tube

3M TALC
5203
2.0 x 5.0 x 9.0 Inches
0.3086 Pounds

Ratings for 3M TALC (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
APS Online Store -

Features

USE WHAT THE PROS USE – Extremely strong adhesive sealant retains strength above or below waterline
BONDS PERMANENTLY – Ideal for sealing, bonding and attaching on the interiors of boats and RVs, or on exteriors below the waterline and where shielded from the sun
Show More
Top 6

ACDelco GM Original Equipment 10-2013 Body Joint and Seam Filler Compound - 10.1 oz

ACDelco
10-2013
5.8 x 8.5 x 1.0 Inches
0.6313 Pounds

Ratings for ACDelco (CPR Score)

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

Features

For professional use only – not for retail sale
Fast curing and skins over quickly—can be painted 60 minutes after application
Show More
Top 7

Permatex 80632 Thread Sealant with PTFE, 4 oz. , White

Permatex
80632
2.44 x 2.44 x 2.81 Inches
0.2491 Pounds

Ratings for Permatex (CPR Score)

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

Features

Economical general-purpose fitting sealant
Outperforms tapes and pipe dopes
Show More
Top 8

Evercoat Brushable Highly Adhesive Seam Sealer for Seams and Joints - 32 Fl Oz

Evercoat
365
4.8 x 4.2 x 4.1 Inches
2.5 Pounds

Ratings for Evercoat (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
iServe 3
Tool Shack -
North Auto DIRECT -
WAREHOUSE9000 -

Features

Brushable Seam Sealer: Ideal for sealing spot-welded, riveted, or bolted seams and joints
Highly Adhesive: This seam sealer shows excellent adhesion to bare metal and painted surfaces
Show More

Dicor 501LSW-1 Epdm Self-Leveling Lap Sealant-10.3 Oz. Tube, White, 10.3 Fluid_Ounces (Packaging May Vary)

Dicor
501LSW-1
12.0 x 4.0 x 4.0 Inches
0.8 Pounds

Ratings for Dicor (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Legendary RV Parts -
RV Wholesale Direct LLC 6,330

Features

Creates a secure, secondary seal along the roof’s edges, air vents, vent pipes and screw heads
Adheres firmly to aluminum, mortar, wood, vinyl, galvanized metal, fiberglass and concrete
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

Chemical Guys WAC_118_16 JetSeal Anti-Corrosion Sealant and Paint Protectant, Safe for Cars, Trucks, SUVs, Motorcycles, RVs & More, (16 fl oz), White

Chemical Guys
WAC_118_16SW
7.874 x 2.7559 x 2.7559 Inches
1.1001 Pounds

Ratings for Chemical Guys (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Amazing Deals Online 2,429

Features

Protection from the harshest environmental elements.Fit Type: Universal Fit
Bonds with the exterior of your auto giving it a mirror like wet finish
Show More

Loctite 515 Gasket Maker & Flange Sealant for Automotive: High-Temperature, Medium-Strength, Anaerobic, Works on All Metals, Flexes with Movement | Purple, 50 ml (PN: 555352)

Loctite
555352
8.0 x 3.81 x 1.2 Inches
0.1411 Pounds

Ratings for Loctite (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
HRP / Power Oil Center 1,296
FLYING RHINO -
Guruji Store -

Features

OEM SPECIFIED. Our LOCTITE automotive aftermarket products are not just OEM-specified, they are also designed by auto manufacturers and lab tested. Wherever engines are being built or repaired, LOCTITE is trusted by professionals.
RELIABLE ADHESION. Works on all metals, including passive substrates (e.g. stainless steel, aluminum, plated surfaces) & tolerates minor contamination by oils (e.g. motor oils, corrosion protection oils, cutting fluids).
Show More

CARPRO Reload 1.0-500mL (17oz)

CARPRO
113
9.0551 x 9.0551 x 9.4488 Inches
1.2125 Pounds

Ratings for CARPRO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
River Colony Trading 60
GG Prime 2,861

Features

This is version 1.0 - discontinued in 2023
Top 14

Permatex 56521 High Performance Thread Sealant, 50 ml , White

Permatex
56521
8.0 x 3.0 x 2.0 Inches
0.18 Pounds

Ratings for Permatex (CPR Score)

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

Features

These Are Complete Line Of Heavy-Duty Shop Products
These Products On Exceptionally High Order Fulfillment Rates, Breadth Of Available Products
Show More
Top 15

Permatex 59214 High Temperature Thread Sealant, 6 ml Tube, Pack of 1

Permatex
59214
0.69 x 3.81 x 6.5 Inches
0.04 Pounds

Ratings for Permatex (CPR Score)

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

Features

Locks and seals threaded fittings
Resists leakage, vibration loosening, moisture, hydraulic fluids and diesel fuels
Show More
Top 16

ARP-1009904 Thread Sealer 50 Ml , 1.69 Ounces

ARP
100-9904
6.0 x 2.0 x 1.5 Inches
0.16 Pounds

Ratings for ARP (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Heintz Sales - Heintz Brothers Automotive 7,197
SUPER SHOPS 7,410
PartsHawk 6,763

Features

THREAD SEALER 50 ML
Top 17

LOCTITE PST 592 Thread Sealant for Automotive: Low-Pressure, High-Viscosity, Anaerobic, Prevents Galling | Opaque, Off-White, 50 ml Tube (PN: 483630)

Loctite
LOC483630
8.0 x 3.813 x 1.2 Inches
0.2 Pounds

Ratings for Loctite (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
HRP / Power Oil Center 1,296

Features

OEM SPECIFIED. Our LOCTITE automotive aftermarket products are not just OEM-specified, they are also designed by auto manufacturers and lab tested. Wherever engines are being built or repaired, LOCTITE is trusted by professionals.
RELIABLE THREAD SEALING. Automotive Grade for Fuel Fillings, Oil and Coolant Lines, Brake and Steering Fittings.
Show More

House of Kolor Gallon Kit Gray Color Kd3000 Dts Primer Surfacer/Sealer W/Hardener

House of Kolor
15.0 Pounds

Ratings for House of Kolor (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
TCP Global Corp 59
Restomotive Sales -

Features

4 Oz. Bottles - Ready To Spray
1 Quart Of Kda3000 Dts Hardener
Show More

3M Dynatron Brushable Gray Seam Sealer, 552, 1 qt

3M
552

Ratings for 3M (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
autopaintpro -
Tooldom Tools -

Features

Brushable formula makes applying sealer easy
Permanently elastic
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

Speedokote SMR-26B - Black Fast Setting Auto Body Seam Sealer for Autobody, 11 oz. Cartridge

Speedokote
8542051325
0.6875 Pounds

Ratings for Speedokote (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
SpeedoKote LLC -
Top 22

Wolfgang Concours Series Deep Gloss Spritz Sealant, 16 fl. oz. Spray Bottle, Automotive Spray Formula Liquid Paint Sealant with Gloss Finish, Clear, WG-9200

WOLFGANG CONCOURS SERIES
WG-9200
2.0 x 2.0 x 8.0 Inches

Ratings for WOLFGANG CONCOURS SERIES (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Palm Beach Motoring Accessories 5,926

Features

DEEP GLOSS: Get the deepest gloss and the most reliable shine with every use; Spray sealant goes on smoothly and cures to a deep gloss finish with a lustrous shine
LIQUID FORMULA: Spray sealant includes liquid crystalline polymers that coat the paint for reliable protection and an incredible gloss; Enjoy consistent, even coverage with each spritz
Show More

Finish 1 4.1 VOC Gray Enamel Sealer Undercoat (Gallon)

Acme/Finish 1

Ratings for Acme/Finish 1 (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Restomotive Sales -

Features

The Finish 1 Urethane Sealers are high quality urethane sealers designed to provide excellent topcoat holdout for superior gloss and DOI.
These sealers fill 400 or finer grit sand scratches, prevent sand scratch swelling and ensure adhesion to OEM substrates.
Show More

Loctite SI 7657 Copper Hi-Temp Gasket Sealant Spray for Automotive: High Temp, Oil Resistant, Improves Heat Transfer | Gold Mist, 9oz Aerosol Can (PN: 37583-502911)

Loctite
502911
2.6 x 2.6 x 6.4 Inches
0.77 Pounds

Ratings for Loctite (CPR Score)

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

Features

Fast-drying, metallic copper sealant that helps dissipate heat
Prevents gasket burnout and improves heat transfer
Show More

3M Factory-Match Seam Sealer, 08323, Black Color, Two-Part, Medium/High Viscosity Urethane, 200 mL/6.75 fl oz Cartridge

3M
08323
12.0 x 9.6 x 5.3 Inches
0.4219 Pounds

Ratings for 3M (CPR Score)

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

Features

METERED STATIC MIXING: Dual syringe cartridge eliminates the difficulty and mess of manual mixing
TWO-PART URETHANE: Seals vertical or horizontal seams to match OEM seals
Show More

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

3M Urethane Seam Sealer, 08361, Gray Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz Foil Pack

3M
08361
1.9 x 1.9 x 0.7 Inches
0.5 Pounds
  • Unknown: French
  • Unknown: Spanish

Ratings for 3M (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
APS Online Store -
Autobodynow 276
National Tool Warehouse 1,751

Features

SINGLE COMPONENT FORMULA: Adheres well to bare metal, primed metal and painted surfaces
MOISTURE CURING PROPERTY: Provides excellent performance in high heat and humidity environments
Show More
Top 28

K&W 401504 Copper Coat Gasket Compound - 4 Fl Oz

CRC
401504
2.5 x 2.5 x 2.75 Inches
0.0006 Pounds

Ratings for CRC (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
ICE AUTO PARTS -
Blondee Wholesale 1,490

Features

Contains copper for long lasting and high temperature applications
Copper Coat goes on tacky to hold gaskets firmly in place
Show More
Top 29

3M 08609 Window-Weld Super Fast Urethane Black Cartridge - 10.5 fl oz.

3M
08609
1.4 x 0.75 x 0.3 Inches
0.2 Pounds

Ratings for 3M (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Hard Hardware -
Genesis Auto Supply, LLC -

Features

FORMULATED FOR CONVENIENCE: A medium viscosity single component moisture curing urethane adhesive
SECURELY BONDS: Bonds replacement auto glass to car bodies. Thick bondline may allow some non-structural body panel applications.
Show More

LOCTITE 1158514 Head Bolt and Water Jacket Sealant: Thread Selant, Single Component Anaerobic Hybrid, Eliminates Corrosion, Prevents Premature Loosening | 50 ml. Tube

Loctite
1158514
4.5 x 1.38 x 1.38 Inches
0.11 Pounds

Ratings for Loctite (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
HRP / Power Oil Center 1,296
ApriveStore -

Features

RELIABLE SEALING. Lubricates fasteners during assembly
RESISTANT. Seals the gaps between the threads and prevents premature loosening.
Show More

Top 10 Automotive Sealants - Verified to Buy (Apr. 2024)

Top 10 Automotive Sealants Brands on Amazon

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

  • Permatex
  • 3M
  • Custom Shop
  • J-B Weld
  • 3M TALC
  • ACDelco
  • Evercoat
  • Dicor
  • Chemical Guys
  • Loctite

Top 10 Automotive Sealants 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
🥇 iServe 60,773 4.9
🥈 TCP Global Corp 15,531 4.8
🥉 River Colony Trading 15,519 4.9
4 JBTools 7,916 4.8
5 Autobodynow 7,334 4.9
6 HRP / Power Oil Center 2,704 4.9
7 Blondee Wholesale 2,474 4.6
8 National Tool Warehouse 2,240 4.7
9 B2C Auto Parts 2,112 4.5
10 Amazing Deals Online 1,775 4.9
View or download top Automotive Sealants seller & rating report
iServe [60773] TCP Global Corp [15531] River Colony Trading [15519] JBTools [7916] Autobodynow [7334] HRP / Power Oil Center [2704] Blondee Wholesale [2474] National Tool Warehouse [2240] B2C Auto Parts [2112] Amazing Deals Online [1775] iServe 51% TCP Global Corp 13% River Colony Trading 13% JBTools 7% Autobodynow 6% HRP / Power Oil Center 2% Blondee Wholesale 2% National Tool Warehouse 2% B2C Auto Parts 2% Amazing Deals Online 1%

[Get] Automotive Sealants 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 Automotive Sealants 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 Automotive Sealants to buy for new September 2024?

CherryPicks’s Methodology for Evaluating Automotive Sealants

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 1,322 of Automotive Sealants reviews based on our selection criteria. It helped us shortlist the top qualified and rated Automotive Sealants for Car Care, We found that most customers choose Automotive Sealants with an average price of $35.17, and the top brands are Chemical Guys, 3M, Loctite, Permatex, ACDelco, J-B Weld, CRC, Dicor, 3M TALC, Custom Shop, CARPRO, ARP, WOLFGANG CONCOURS SERIES, Evercoat, House of Kolor, Speedokote And Acme/Finish 1

Then our expert-level editors reviewed all those quality items and selected the top 30 Automotive Sealants for you, We have researched hundreds of sellers and picked the top sellers for Car Care, including iServe, TCP Global Corp, River Colony Trading, JBTools, Autobodynow, HRP / Power Oil Center, Blondee Wholesale, National Tool Warehouse, B2C Auto Parts, Amazing Deals Online, GG Prime And RV Wholesale Direct LLC. The Permatex 81158 Black Silicone Adhesive Sealant,... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 7,305 consumers with an average rating of 4.5.

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 Automotive Sealants 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.