Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The Moroso coolant expansion tank for 2003–2012 Mazda RX-8 is a direct bolt-in replacement designed to match factory mounting and hose locations. It replaces the OEM reservoir to restore proper coolant overflow control and system fill capacity. The unit enables a clean, no-modification swap for owners repairing or refreshing the RX-8 cooling system while retaining original service points.
Moroso 03-12 Mazda RX-8 Coolant Expansion Tank - Direct Bolt-In Replacement
