Mishimoto 08-14 WRX/STi Thermostatic Oil Cooler Kit - Black

The Subaru WRX STI provides a great balance of power, handling, and reliability.As with any vehicle, controlling fluid temperatures will ensure consistent power and engine longevity.The Mishimoto 2008+ Subaru WRX STI direct-fit oil cooler kit is a great addition to any street or track STI.A large 19-row cooler mounts in the front bumper to provide optimal airflow and cooling efficiency.The included direct-fit mounting brackets and preassembled stainless steel lines with -10AN fittings will ensure an easy and hassle-free installation.This cooler is proven to reduce oil temperatures by 20in30 degrees while maintaining minimal pressure loss.For further heat protection this kit includes thermal reflective wrap for the oil lines, providing substantial heat deflection from the nearby exhaust.The Mishimoto Subaru WRX STI oil cooler kit can be customized to meet your needs with either a black or silver cooler and the option of a thermostatic sandwich plate for even greater oil temperature control.As with all our products, this kit includes the Mishimoto lifetime warranty.

Additional Information

High-performance engine oil cooler designed to regulate oil temperature and protect critical engine components. Efficient heat dissipation improves durability, maintains lubrication, and ensures reliable performance.

Application Summary

2008-2014 Subaru Impreza WRX STI 2.5 Liter TY856, 2011-2014 Subaru Impreza WRX STI Limited 2.5 Liter TY856, 2010 Subaru Impreza WRX STI Special Edition 2.5 Liter TY856

Part Type

Engine Oil Cooler

• 20 F (16 C) temperature drop
• Minimal pressure loss
• This oil cooler kit retains the use of your stock liquid to liquid oil cooler unit

Important Note Regarding Oils, Additives, Aerosols & Liquids

This listing may contain a product with transport restrictions. Items containing oils, additives, aerosols, adhesive or other liquid/chemical-based products may be subject to shipping restrictions depending on their current warehouse location, carrier requirements, and applicable transport regulations.

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Product Details

Product Downloads

#	Document Type	Download
1.	Technical Bulletin

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Oil Cooler, Heat Sink, Aluminum, Black Anodized, -10 AN Male Threads Inlet/Outlet, Subaru, 2.5L, Kit

Enthusiasts who push their high performance cars to the limit understand the importance of keeping their oil temperatures low to prevent damage, or even seizure of the engine. Mishimoto oil cooler kits are designed to extend the life of your engine by ensuring that your essential high-wear engine components, such as piston rings, skirts, and cam bearings, are sufficiently lubricated with cooler oil. The kits include a durable aluminum oil cooler, stainless steel braided hose lines, fittings, and all necessary adapters. Models are also available to cool transmission oil/fluid. Order the universal or vehicle-specific cooler that's best suited for your application.