FLEX SEAL 1 Gal. Liquid Rubber Sealant, Black

FLEX SEAL 1 Gal. Liquid Rubber Sealant, Black

Marsoni

M251S

$109.99

Get it in 3 business days with 1 day shipping. Friday, May 29

FLEX SEAL 1 Gal. Liquid Rubber Sealant, BlackFlex Seal Liquid is a thick liquid that dries to a flexible, water tight rubberized coating Creates a flexible rubber barrier that blocks out air, water and moisture Non toxic, non flamable, No harmful vapors, UV, Chemical and mildew resistant Liquid rubber can be brushed, rolled, dipped, or poured Can be used on most surfaces Prevents rust and corrosion Dries to a super strong, flexible, watertight rubberized coating 1 Gal.

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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I used this to change the oil on my BMW M8 with the S63 engine. It was a perfect fit. It extended far enough onto the filter housing to be quite secure with no risk of slipping off and stripping the housing. It was snug on the housing and did not bind up due to having a loose fit. The tool feels well-built and I suspect it will outlive me given my occasional personal use. It would still probably hold up well even for daily shop use as long as it was not abused (repeatedly dropped, slammed around, etc).

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Reviewed in the United States on September 8, 2025

Verified Purchase

Chad altenbach

Lexington, US

★★★★★ 5

Made well and great fit

Fits perfectly and is made well

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Reviewed in the United States on May 8, 2026

Verified Purchase

Dalia Toppin