The plastic sub-radiator (coolant overflow) tank is a common failure point, often cracking due to age and heat cycles. This brand new, genuine Mazda replacement part is a crucial preventative maintenance item to ensure a reliable cooling system. It comes complete with a new OEM radiator cap for a comprehensive refresh.
- Genuine Mazda OEM part for perfect fitment and reliability.
- Direct replacement for a worn, discoloured, or cracked sub-radiator tank.
- Includes a brand new OEM radiator cap.
- A critical component for maintaining the health of your cooling system.
This is a vital reliability upgrade. Replacing a cloudy or ageing tank provides peace of mind, protecting your engine from the serious damage that can result from coolant loss.
For a more complete cooling package, consider pairing this with GREDDY TRUST Aluminium Racing Radiator TW-R for Mazda RX8 (Series 1, 2003-2008) and SAMCO Silicone Coolant Hose Set for Mazda RX8 (Series 1 & 2, 2003-2012).