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
Kool It, Pentofrost, Royal Purple, Red Line or Gunk
Blue Devil, K-Seal, or Block Seal
Can we improve something on this page?
If we're missing any information about this item which would be helpful or if you have found something that is confusing or in error, please tell us so we can improve our site. Visit our Support Center If you need a response.
Sorry, we are not able to respond to comments entered above.
  • "Excellent delivery service - timely and I was able to learn where my stuff was most all the time"

    -
  • "My order was complete and correct and arrived a day ahead of schedule.Thank you"

    -
  • "It was very easy to shop at AutoBarn. S&H were reasonable."

    -
  • "The item ordered was delivered as expected and performs as designed and very well."

    -
Read All Testimonials