Mishimoto - Oil Cooler Kit - 02-05 Subaru WRX/STI

MishimotoSKU: MMOC-WRX-01

Sale price$463.95

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Mishimoto - Oil Cooler Kit - 02-05 Subaru WRX/STI

Whether you have a rally-inspired WRX or a built STI, maintaining ideal oil temperatures is necessary for both optimal performance and engine longevity. Treat your flat-four to a dose of reliability with the Mishimoto Subaru WRX/STI Direct-Fit Oil Cooler Kit. This kit includes precision-engineered, application-specific mounting brackets, premade stainless steel braided oil lines, a billet oil sandwich plate, an efficient 10-row stacked-plate Mishimoto oil cooler, and all necessary hardware. 

This kit provides .5 qt of additional oil capacity and reduces temperatures by more than 20°F (16°C) while providing minimal pressure loss. This kit is available with the Mishimoto standard Oil Sandwich Plate or the Mishimoto Oil Sandwich Plate with Rear-Mounted Thermostat for additional oil temperature control and optimal performance in any environment. For additional customization, this kit is available with your choice of either a Sleek Silver or Stealth Black cooler.

This kit is the perfect complement to the Mishimoto Subaru WRX/STI Performance Aluminum Radiator, Performance Aluminum Fan Shroud Kit, and Silicone Radiator Hose Kit for the ultimate cooling solution for your Subaru. As with all our products, this kit includes the Mishimoto Lifetime Warranty.
  • Direct fit for the 2002-2005 WRX/STI
  • 2 psi pressure loss
  • Provides dramatic temperature drop
  • Thermostatic option available
  • Stealth Black and Sleek Silver color options for the cooler
  • Lifetime Warranty
  • Lifetime Warranty

Material6061 Aluminum

Core Height2.76"


Cooler ConstructionStacked-plate

NoteRequires trimming of exhaust heat shield for proper installation. Will not fit on vehicles equipped with front mount intercoolers. Fits automatic and manual applications.

Core Thickness 1.97"

Core Length 11"

Fitting Size


Engine Codes


Chassis Codes GD

Pressure Drop 1-2 psi

Install Torque Specs

Recommended torque specification for all straight fittings and banjo bolts: 15-25 ft/lbs (operating range). Do not exceed the maximum torque rating of 35 ft/lbs.

Caution It is the installer's responsibility to check all thermostat plugs, NPT plugs, line fittings, and other connections to assure they are fully tightened before operating the vehicle. Mishimoto recommends that you check all connections at regular intervals, especially during the first few miles after installation.

Increase In Oil Capacity 0.5 qt

Temp Difference 20°F

Purchase Includes

(2) Application-Specific Mounting Brackets
(1) 10-Row Oil Cooler
(1) 3' Stainless Steel Braided Hose w/ -10AN Fittings
(1) 4' 4" Stainless Steel Braided Hose w/ -10AN Fittings
(1) Oil Sandwich Plate (Thermostatic Option Available)
(1) Stainless Steel Sandwich Plate Adapter, M20
(2) Banjo Fitting w/ Bolt M20 x -10AN, Black
(1) Black Rubber Seal
(1) Mounting Hardware Set
Mishimoto Lifetime Warranty

Also Fits

2001-2005 Subaru WRX
2004-2005 Subaru STI

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