As engine coolant heats up, it expands. The coolant expansion tank provides additional storage for the expanding coolant. Over time, the plastic on your coolant overflow bottle can leak, crack, or deteriorate. Replace your damaged or missing coolant overflow bottle with a new replacement one from Omix-ADA.
Installation Requires (1-2 Hours):
|Wrangler JK 2DR||07-11 3.8L|
|Wrangler JK 4DR||07-11 3.8L|