Most typically used in the restoration of classic cars and fixing problems in modern ones after crashes, automotive seam sealers come in a small range of varieties.

we’ve put together a collection of the best Automotive Seam Sealers that are currently available on the market. To help you find the perfect Automotive Seam Sealer among a wide variety of options, we constantly update our collection with new and trending models.

10 Best Automotive Seam Sealers

Based on dozens of customer reviews and ratings, the followings are the top 10 best-selling Automotive Seam Sealers:

# Preview Product Price
1 ACDelco GM Original Equipment 10-2013 Body Joint and Seam Filler Compound - 11 oz ACDelco GM Original Equipment 10-2013 Body Joint and Seam Filler Compound – 11 oz $13.89 View Product
2 3M Urethane Seam Sealer, 08367, Black Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz Cartridge 3M Urethane Seam Sealer, 08367, Black Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz… $25.53 View Product
3 3M Dynatron Auto Seam Sealer Caulk, 550, Grey Color, Permanently Elastic, Fast-Skinning, Non-Staining, Non-Sagging, 12 oz 3M Dynatron Auto Seam Sealer Caulk, 550, Grey Color, Permanently Elastic, Fast-Skinning,… $15.04 View Product
4 Akfix Urethane Auto Body Seam Sealer 10.5 fl oz - Black Akfix Urethane Auto Body Seam Sealer 10.5 fl oz – Black $10.88 View Product
5 Barrier Bond Black Seam Sealer Compound - 10.1 fl. Ounce Tube Barrier Bond Black Seam Sealer Compound – 10.1 fl. Ounce Tube $17.99 View Product
6 3M Heavy-Bodied Seam Sealer, 08308, Two-Part, Self-Mixing, Automotive Epoxy, 200 ml/6.75 fl oz Cartridge , White 3M Heavy-Bodied Seam Sealer, 08308, Two-Part, Self-Mixing, Automotive Epoxy, 200 ml/6.75 fl oz… $36.12 View Product
7 Barrier Bond Brushable Seam Sealer -Quart Can with 30.4 Fluid Ounce Barrier Bond Brushable Seam Sealer -Quart Can with 30.4 Fluid Ounce $42.99 View Product
8 Barrier Bond Black Polyurethane Seam Sealer Adhesive Compound - 10.5 fl. Ounce Cartridge Tube Barrier Bond Black Polyurethane Seam Sealer Adhesive Compound – 10.5 fl. Ounce Cartridge Tube $17.99 View Product
9 3M Self-Leveling Seam Sealer, 08307, Two-Part, Quick-Curing Epoxy, 200 mL/6.75 fl oz Cartridge 3M Self-Leveling Seam Sealer, 08307, Two-Part, Quick-Curing Epoxy, 200 mL/6.75 fl oz Cartridge $45.52 View Product
10 Akfix Urethane Auto Body Seam Sealer 10.5 fl oz - White Akfix Urethane Auto Body Seam Sealer 10.5 fl oz – White $11.50 View Product

Top Rated Automotive Seam Sealer Reviews

Since we’ve mentioned 10 different models of Automotive Seam Sealers on the above list, it may be difficult for you to find the right one for your needs. This is why we listed the key features of each of these Automotive Seam Sealers below:

1

ACDelco GM Original Equipment 10-2013 Body Joint and Seam Filler Compound - 11 oz
ACDelco GM Original Equipment 10-2013 Body Joint and Seam Filler Compound – 11 oz

$13.89
View Product
Product Highlights:

  • For professional use only – not for retail sale
  • Fast curing and skins over quickly—can be painted 60 minutes after application
  • Can be used for all sealing and adhesive applications with a standard caulking gun in both vertical and horizontal joints
  • Flexible, non-staining, and non-sagging product that will not crack or shrink
Sale2

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

$25.53
View Product
Product Highlights:

  • 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
  • NON-SHRINKING, NON-CRACKING: Remains flexible and offers superior results to solvent-based sealers
  • QUICK PAINTABILITY: Allows painting after 30-45 minutes
  • THICK CONSISTENCY: Fills large voids and can be smoothed to a featheredge or brushed
Sale3

3M Dynatron Auto Seam Sealer Caulk, 550, Grey Color, Permanently Elastic, Fast-Skinning, Non-Staining, Non-Sagging, 12 oz
3M Dynatron Auto Seam Sealer Caulk, 550, Grey Color, Permanently Elastic, Fast-Skinning, Non-Staining, Non-Sagging, 12 oz

$15.04
View Product
Product Highlights:

  • EASY APPLICATIONS: Brushable and paintable consistency
  • HIGH ADHESION: Works on both bare metal and painted surfaces
  • FAST SKINNING: Starts in about 10 to 15 minutes
  • STAYS IN PLACE: Less likely to drip, sag or run out of gaps being sealed
  • NON-STAINING: For all-purpose autobody joint and seam sealing
Sale4

Akfix Urethane Auto Body Seam Sealer 10.5 fl oz - Black
Akfix Urethane Auto Body Seam Sealer 10.5 fl oz – Black

$10.88
View Product
Product Highlights:

  • Designed to adhere to bare metal, primed metal, metal containers and more.
  • Non-sagging single component formula to fill large voids
  • Does not shrink or crack stays permanently flexible.
  • Seals against water, air, gas and dust.
  • Paintable. No-stick formula does not pick up dirt.
5

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

$17.99
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Product Highlights:

  • 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.
  • These products are high quality elastomeric sealants formulated to provide excellent adhesion to a wide variety of substrates and come in an easy to use, non-sag consistency suitable for easy application with a standard caulking gun in both horizontal and vertical automotive joints.
  • Smooth creamy non-sag texture – easy to tool
  • High rubber content, highly elastic, good low temperature flexibility
Sale6

3M Heavy-Bodied Seam Sealer, 08308, Two-Part, Self-Mixing, Automotive Epoxy, 200 ml/6.75 fl oz Cartridge , White
3M Heavy-Bodied Seam Sealer, 08308, Two-Part, Self-Mixing, Automotive Epoxy, 200 ml/6.75 fl oz Cartridge , White

$36.12
View Product
Product Highlights:

  • HIGH-PERFORMANCE: Two-part epoxy seals vertical and horizontal seams to match OEM seals
  • METERED MIXING: Dual syringe cartridge eliminates the difficulty and mess of manual mixing
  • NON-FLOWING: Heavy-bodied formula allows easy tooling for matching OEM seam sealer appearances
  • QUICK CURE: Non-sag property aids during vertical applications
  • SELF-MIXES: Makes a perfect formulation every time without mess
7

Barrier Bond Brushable Seam Sealer -Quart Can with 30.4 Fluid Ounce
Barrier Bond Brushable Seam Sealer -Quart Can with 30.4 Fluid Ounce

$42.99
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Product Highlights:

  • Brushable Seam Sealer is fast drying and designed exclusively for automotive uses.
  • This product remains flexible and will not crack, harden, sink or sag
  • This product remains flexible and will not crack, harden, sink or sag
  • It provides excellent adhesion, seals cracks, crevices, body seams and is ideal for use on all lap and flange seams and joints
  • Brushable Seam Sealer is paintable in 30 to 60 minutes and comes in a light gray color
8

Barrier Bond Black Polyurethane Seam Sealer Adhesive Compound - 10.5 fl. Ounce Cartridge Tube
Barrier Bond Black Polyurethane Seam Sealer Adhesive Compound – 10.5 fl. Ounce Cartridge Tube

$17.99
View Product
Product Highlights:

  • Polyurethane Seam Sealer/Adhesive Compound is a one component, moisture-cure sealant designed exclusively for automotive uses.
  • This product cures under the effect of atmospheric humidity to form a permanently flexible and resistant joint.
  • This product is a high quality elastomeric sealant formulated to combine high flexibility with high ultimate strength, permanent bonds and long service life.
  • This product provides excellent adhesion to a wide variety of substrates and comes in an easy to use, non-sag consistency suitable for easy application with a standard caulking gun in both horizontal and vertical automotive joints.
  • Easy application, ready to use, no mixing required
9

3M Self-Leveling Seam Sealer, 08307, Two-Part, Quick-Curing Epoxy, 200 mL/6.75 fl oz Cartridge
3M Self-Leveling Seam Sealer, 08307, Two-Part, Quick-Curing Epoxy, 200 mL/6.75 fl oz Cartridge

$45.52
View Product
Product Highlights:

  • SELF-LEVELING EPOXY: Designed for areas requiring a flowable type sealer
  • QUICK CURING: Ready for painting in 15 minutes
  • TRANSPARENT COLOR: Makes for a low-profile appearance
  • MATCHES OEM: Cured sealer seams match for a professional look
  • SPECIALLY FORMULATED: Made for the automotive aftermarket industry
10

Akfix Urethane Auto Body Seam Sealer 10.5 fl oz - White
Akfix Urethane Auto Body Seam Sealer 10.5 fl oz – White

$11.50
View Product
Product Highlights:

  • Designed to adhere to bare metal, primed metal, metal containers and more.
  • Non-sagging single component formula to fill large voids
  • Does not shrink or crack stays permanently flexible.
  • Seals against water, air, gas and dust.
  • Paintable. No-stick formula does not pick up dirt.

Video Overview

Tips & Tricks for Applying Different Types of Seam Sealers to Your Car – Eastwood

Did you know there are different types of Seam Sealers? And some have specific purposes? When you’re restoring your car, there’s a good chance you’ll be …

Final Words

So, these are all of the Best Automotive Seam Sealers available on the market. We hope this collection was helpful to find the right Automotive Seam Sealer for the money. However, we recommend checking out the features, benefits, and problems of each of these Automotive Seam Sealers before taking your decision.