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

SKU: MISMMOC-STI-08T

Fluid Coolers

MM Oil Cooler - Kits - Tstat...

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

SKU: MISMMOC-STI-08T

Fluid Coolers

MM Oil Cooler - Kits - Tstat...

Sale ends in Calculating...

A$1,291.45 A$1,618.58
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

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.

Product Overview

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.


Features and Benefits

  • 20+°F (16+°C) temperature drop
  • Minimal pressure loss
  • Direct fit for the STI
  • This oil cooler kit retains the use of your stock liquid to liquid oil cooler unit
  • Stealth Black and Sleek
  • Silver cooler options
  • Thermostatic option available
  • Easily replaceable thermostat allows you to customize your fluid temperature
  • Additional thermostats available in 160°F, 185°F, and 200°F
  • Mishimoto Lifetime Warranty

Product Details

Alternate Part Number:MMOC-STI08T
Color:Silver
Description:Subaru WRX STI Thermostatic Oil Cooler Kit
Install Difficulty:3
Material:Aluminum
OptionLabel:Silver Cooler, Thermostatic
Part Number:misMMOC-STI-08T
SellingPoint01:20 F (16 C) temperature drop
SellingPoint02:Minimal pressure loss
SellingPoint03:Direct fit for the STI
SellingPoint04:This oil cooler kit retains the use of your stock liquid to liquid oil cooler unit
SellingPoint05:Stealth Black and Sleek
SellingPoint06:Silver cooler options
SellingPoint07:Thermostatic option available
SellingPoint08:Mishimoto Lifetime Warranty
SellingPoint09:N/A
SellingPoint10:N/A
SellingPoint11:N/A
SellingPoint12:N/A
SellingPoint13:N/A
SellingPoint14:N/A
SellingPoint15:N/A
TechSpec Applications:N/A
TechSpec 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. For additional technical information, contact our customer experience team.
TechSpec Chassis Codes:GR--GV
TechSpec Core Construction:N/A
TechSpec Core Height (in):5.43
TechSpec Core Length (in):11
TechSpec Core Thickness (in):1.97
TechSpec Engine Codes:EJ257
TechSpec Fluid Capacity (qts):N/A
TechSpec Includes:Application Specific Mounting Brackets--19-Row Oil Cooler--3ft, 6in Stainless Steel Braided Hose with 150-degree -10AN Fittings--4ft Stainless Steel Braided Hose with 90-degree and 150-degree -10AN Fittings--M20 Thermostatic Sandwich Plate--M20 Stainless Steel Sandwich Plate Adapter--M20 x -10AN Straight Fittings--2ft of thermal reflective wrap--Mounting Hardware Set--Mishimoto Lifetime Warranty
TechSpec Inlet:N/A
TechSpec Installation Notes:Recommended torque specification for all straight fittings and banjo bolts: 15-25 lb-ftDo not exceed the maximum torque rating of 35 ft-lb
TechSpec Note:This oil cooler kit will only work with models with the single scroll turbo and un-equal length exhaust manifold. Models with a twin scroll turbo and equal length exhaust manifold may not be compatible with this oil cooler kit. Recommended torque specification for all straight fittings and banjo bolts: 15-25 lb-ftDo not exceed the maximum torque rating of 35 lb-ft
TechSpec Outlet:N/A
TechSpec Overall Height (in):N/A
TechSpec Overall Length (in):N/A
TechSpec Overall Width (in):N/A
TechSpec Rows:19

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

Data: v4.2 - Upd: 2026-10-16 04:22:08

Features

  • 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

Specifications

Product Attributes - Brand
Mishimoto
Product Attributes - Manufacturer's Part Number
MMOC-STI-08T
Product Attributes - Part Type
Fluid Coolers
Product Attributes - Product Line
Mishimoto Oil Cooler Kits
Product Attributes - UPC
748354009668
Product Attributes - Fluid Cooler Type
Engine oil
Product Attributes - Overall Height (in.)
6.44 in.
Product Attributes - Overall Width (in.)
12.95 in.
Product Attributes - Overall Thickness (in.)
1.97
Product Attributes - Cooler Construction
Heat sink
Product Attributes - Fluid Cooler Inlet Size
-10 AN
Product Attributes - Fluid Cooler Outlet Size
-10 AN
Product Attributes - Inlet Attachment
Male threads
Product Attributes - Outlet Attachment
Male threads
Product Attributes - Cooler Material
Aluminum
Product Attributes - Fan Included
No
Product Attributes - Number of Cooling Rows
19
Product Attributes - Core Height (in.)
5.43 in.
Product Attributes - Core Width (in.)
11.00 in.
Product Attributes - Core Thickness (in.)
1.97 in.
Product Attributes - Cooler Color
Natural
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Includes mounting brackets, stainless steel braided hoses, thermostatically controlled oil filter sandwich plate, banjo fitting and mounting hardware.

Reference Information

Brand Name/s Mishimoto
StreetFX SKU misMMOC-STI-08T
SFX Item ID 4050031
Supplier Item Code 4050031
Manufacturer SKU MMOC-STI-08T
Manufacturer UPC 748354009668
Alternative References mio-mmoc-sti08t, MIMMMOC-STI-08T

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Compatibility

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

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