PN 511
PN 511
BG Universal Cooling System Sealer quickly and completely plugs leak points in the coolant system. Refined organic fibers carry sealer particles that build on each other around a hole until it is completely plugged.
- Repairs leaks
- Prevents overheating
- Extends cooling system life
BG Cooling System Service
BG Universal Cooling System Sealer is part of the BG Cooling System Service.
Find a shop near you that offers the BG Cooling System Service!
BG Cooling System Service is backed by the FREE Lifetime BG Protection Plan®. Click here to learn about entry requirements, service intervals, and covered components.

PN 5118 8 oz. (236 mL) bottle
PN 511 12 oz. (354 mL) bottle
MADE IN THE U.S.A.