AUTOEXE Oil Filler Cap (Screw Type) for Mazda RX-8 (Series 1, 2003-2012)

This AUTOEXE Oil Filler Cap (Screw Type) gives the Mazda RX8 Series 1 (2003–2008) a cleaner, more purposeful engine-bay detail at one of the most visible service points. AUTOEXE is known for refined Mazda-focused OEM-plus upgrades, which benefits the customer by delivering an engine-bay dress-up part that still feels integrated and premium rather than cheap or gimmicky.

• Premium screw-type oil filler cap upgrades one of the most visible service points in the engine bay
• AUTOEXE OEM-plus styling creates a cleaner and more cohesive appearance than generic dress-up caps
• Strong match for other AutoExe engine-bay accessories in a branded, cohesive build
• Useful visual upgrade during engine-bay refreshes where small details matter
• Series 1-specific compatibility ensures the correct cap type for the earlier RX8

You will notice a cleaner and more finished engine-bay presentation, especially on cars already using higher-quality bracing or cap upgrades.

Looking for the twist-type AUTOEXE oil filler cap to fit your Series 2 Mazda RX8 (2009-2012)? Click here to view the AUTOEXE Oil Filler Cap (Twist Type) for Mazda RX8 (Series 2, 2009-2012).

To complete the engine-bay package, consider pairing this with the AUTOEXE Brake Fluid Cap and the AUTOEXE Strut Tower Bar.