Anti-Freeze - Coolant and Radiator Additives

Anti-Freeze - Coolant and Radiator AdditivesAvoid overheating your engine by making sure your antifreeze coolant levels are full and by regularly using a radiator flush, such as Kool It Radiator Flush and replacing it with new antifreeze coolant, such as Pentofrost (specific to European vehicles). The antifreeze coolant you have not enough? In need of a radiator additive? Browse through our selection of radiator additives by Red Line, Gunk, or Royal Purple. If you have a radiator leak and need a quick fix, Auto Barn carries Blue Devil Sealant, Bars Leak, or Block Seal to give you a hand.
Anti-Freeze, Coolant and Radiator Additives
Radiator Stop Leaks
Anti-Freeze, Coolant and Radiator Additives
Kool It, Pentofrost, Royal Purple, Red Line or Gunk
Radiator Stop Leaks
Blue Devil, K-Seal, or Block Seal

  • "Quick and easy. No html errors" (7/22/21)

    -

  • "This is my first experience with Auto Barn. It has been a good experience so far and I look fwd to doing more business with Auto Barn as long as I continue to have as good of an experience as this one has been. Thanks" (7/21/22)

    -

  • "Was a good experience overall" (7/20/22)

    -

  • "Available product, easy order, quick shipping, and excellent product. Highly recommend Auto Barn, and this product!" (7/17/22)

    -
Read All Testimonials