10 bestHead Gasket Sealerof December 2025
112M consumers helped this year.
1
Engine Ice Hi-Peformance Coolant 1.89lit
Engine Ice
9.8
2
BlueDevil Head Gasket Sealer - 32 ounce(38386)
BlueDevil Products
9.6
3
Bar's Products Leak HG-1 Head Seal Blown Head Gasket Repair
Bar's Leaks
9.5
4
K-Seal ST5516 HD Multi Purpose One Step Permanent Coolant Leak Repair
K-Seal
9.2
5
Fel-Pro 1075-053 Cylinder Head Gasket
Fel-Pro
8.9
6
Permatex 81160 High-Temp Red RTV Silicone Gasket, 3 oz
Permatex
8.6
7
K-SEAL Permanent COOLANT Leak Repair Liquid 236ml - Stop Radiator Leak, Head Gasket Repair,Block/Head Sealer-No Draining/No Flushing,for All Cars, Light Trucks, Heavy Trucks & Buses
K-Seal
8.3
8
J B Weld 32329 Ultimate RTV Silicone Gasket Maker and Sealant (Black, 3 Oz)
J-B Weld
8.0
9
Permatex 25228 Gasket Maker
Permatex
7.8
10
Permatex 81630 Ultra Red High Temperature Gasket Maker 3 oz
Permatex
7.5
Related Reviews You Might Like
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