10 best
Engine Block Sealer
of October 2024
112M consumers helped this year.
1
K&W Permanent Metallic Block Seal Head Gasket Repair, 16 Wt Oz
CRC
9.8
10% off
2
Bar's Leaks OS-1 Seal (Engine Oil Burning/Leak Repair), 16.9 Fluidounces
Bar's Leaks
9.6
6% off
3
Moroso 35500 Ceramic Engine Seal - 1 Pint
Moroso
9.1
4
ABRO Super Seal, 11.4 oz., Permanently Seals Cracks & Holes, Copper Infused Liquid Glass Sealer, Withstands Extreme Conditions, Ideal for Engine Blocks, Radiators, Head Gaskets, & Freeze Plugs
ABRO
8.9
5
Bar's Leaks 1000 Engine Repair - 16 oz.
Bar's Leaks
8.5
Other
Related products
Up to 7% off
6
Bar's Leaks 1109 Block Seal Liquid Copper Intake and Radiator Stop Leak - 18 oz.
Bar's Leaks
8.2
7
CRC 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 fl. oz.
CRC
8.0
8% off
8
K-SEAL Coolant Leak Repair, ST9501 472ml Multi-Purpose Formula Stops Leaks in the Radiator, Head Gasket, Block, Water Pump Casing, Heater Core, Freeze Plug - Pour and Go - Designed for Canadian Market
K-Seal
7.8
7% off
9
K-Seal ST3501 Pour and Go Permanent Head Gasket and Block Repair
K-Seal
7.3
10
Irontite All Weather Seal, Blue, 16 oz (468-9130-16)
Irontite
7.1
Best Reviews Guide Newsletter
Get exclusive articles, recommendations, shopping tips, and sales alerts
Sign up for our newsletter to receive weekly recommendations about seasonal and trendy products
Thank you for subscribing!
By submitting your email address you agree to our Terms and Conditions and Privacy Policy