Mishimoto Oil Cooler
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Mishimoto Oil Cooler - Subaru WRX STI (GVB/GVF)
Mishimoto builds cooling components engineered around real world track and street demands, and this oil cooler is designed to keep the Subaru WRX STI running at consistent oil temperatures under sustained load. A large capacity core and direct fit hardware make it a straightforward upgrade for owners chasing more reliable thermal management.
This listing covers the Subaru WRX STI GVB/GVF chassis. The kit is available in Silver (SKU MMOC-STI-08) or Black (SKU MMOC-STI-08BK) cooler finishes, selectable via the variant options on this listing, with an optional thermostatic sandwich plate for finer oil temperature control.
Important: This oil cooler is designed for models fitted with the single scroll turbo and unequal length exhaust manifold. Vehicles with the twin scroll turbo and equal length manifold may not be compatible.
Key Features
- 19-row cooler core mounted in the front bumper for improved airflow
- Direct fit mounting brackets for straightforward installation
- Preassembled stainless steel lines with -10AN fittings
- Thermal reflective wrap included to shield lines from exhaust heat
- Choice of black or silver cooler finish
- Mishimoto lifetime warranty
Important Installation Notes
- Recommended torque for straight fittings and banjo bolts: 20-34 Nm (15-25 lb-ft)
- Do not exceed maximum torque rating of 47 Nm (35 lb-ft)
- Check all fittings and connections before driving, and recheck after initial use
Vehicle compatibility, OEM part numbers, and fitment notes are provided in the tabs above. Please ensure your vehicle's turbo and manifold configuration are confirmed before ordering.
Not sure if this kit suits your build? Contact our team at sales@chicaneaustralia.com.au for expert advice.
Vehicle Compatibility
| Make | Model | Chassis | Engine |
|---|---|---|---|
| Subaru | WRX STI | GVB | EJ257 |
| Subaru | WRX STI | GVF | EJ257 |
Technical Specifications
| Spec | Value |
|---|---|
| Cooler Core | 19-row |
| Cooler Colour Options | Black or Silver |
| Oil Line Material | Stainless steel, preassembled |
| Fitting Type | -10AN |
| Oil Temperature Reduction | 11–17°C (20–30°F) |
| Recommended Torque (straight fittings & banjo bolts) | 20–34 Nm (15–25 lb-ft) |
| Maximum Torque Rating | 47 Nm (35 lb-ft) |
| Thermal Protection | Reflective heat wrap included for oil lines |
| Thermostatic Sandwich Plate | Optional add-on for extra oil temperature control |
| Mounting Hardware | Direct fit mounting brackets included |
| Turbo/Manifold Compatibility | Single scroll turbo with unequal length exhaust manifold only — not compatible with twin scroll/equal length manifold models |
| Install Difficulty Rating | 3 |
No instructions available for this product.
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