Mishimoto Stealth Black 19-Row Oil Cooler Kit for 2015-2018 Subaru WRX STI (MMOC-STI-15BK)

Fits 2015-2018 Subaru WRX STI (Base, Launch Edition, Limited, and Series.HyperBlue).

Maintain engine longevity and consistent power delivery on the street or track with the Mishimoto Direct-Fit Oil Cooler Kit. Developed specifically for the VA-chassis STI, this kit features a large 19-row stacked-plate cooler mounted in the front bumper for maximum airflow and cooling efficiency. This system is proven to reduce oil temperatures by 20°F (16°C) while maintaining minimal pressure loss.

To ensure a durable and straightforward installation, the kit includes application-specific mounting brackets and preassembled stainless steel braided lines with -10AN fittings. The lines are protected by included thermal reflective wrap to deflect heat from nearby exhaust components. This oil cooler kit integrates seamlessly with the vehicle, retaining the use of the factory liquid-to-liquid oil cooler unit for optimal thermal management.

• 19-row stacked-plate oil cooler for optimal heat dissipation
• Proven 20°F (16°C) drop in oil temperatures
• Preassembled stainless steel braided oil lines with -10AN fittings
• Included thermal reflective wrap for oil line heat protection
• Direct-fit mounting brackets for a hassle-free install
• Stealth Black finish for a discreet look
• Retains factory liquid-to-liquid oil cooler
• Manufacturer Part Number: MMOC-STI-15BK
• Mishimoto Lifetime Warranty