Oils, Fluids and Sealer› Sealers, Gasket Makers and Glues

3M Dynatron

Auto Seam Sealer Caulk, 12 oz Gray

$296.09

SKU: 7000125068

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Overview

The 3M Dynatron Auto Seam Sealer Caulk is a 12 oz gray sealant designed for automotive exterior seams and joints. It has a paste consistency and is paintable, with a work time of 10 minutes before painting and a full cure time of 24 hours. The sealant comes in a cartridge for easy application.

This sealant offers high adhesion, bonding reliably to both bare metal and painted surfaces. It forms a skin in 10 to 15 minutes and features a non-sagging formula for accurate placement, even on vertical surfaces. Its gap-filling consistency helps prevent corrosion by filling large voids.
Show original supplier description
The 3M Dynatron Auto Seam Sealer Caulk, 550 Series, is a professional-grade, gray silicone sealant packaged in a 12 oz cartridge, specifically engineered for automotive exterior seams and joints. This auto seam sealer boasts several key features for effective use in automotive repairs. It offers high adhesion, ensuring a reliable bond to both bare metal and previously painted surfaces. The sealant exhibits fast curing properties, forming a skin within 10 to 15 minutes, and a complete cure in 24 hours. Its non-sagging formula guarantees precise application, even on vertical applications, and its gap-filling capability aids in preventing corrosion by effectively sealing large voids.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

Brand3M Dynatron
Part Number7000125068
CategoryOils, Fluids and Sealer
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy