🎉 Up to 70% Off Selected ItemsShop Sale
HomeStore

Mishimoto Thermostatic Oil Cooler Kit Black 2015-2021 STI

Product image 1
1 / 9

Mishimoto Thermostatic Oil Cooler Kit Black 2015-2021 STI

Upgrade the oil cooling on your Subaru WRX STI with Mishimoto’s direct-fit performance oil cooler kit. Designed for street and track use, this kit lowers oil temperatures, maintains minimal pressure loss, and helps protect your engine during spirited driving.

Features

  • Direct-fit for Subaru WRX STI
  • Large 19-row cooler mounts in the front bumper for maximum airflow
  • Proven 20+°F (16+°C) reduction in oil temperatures
  • Minimal pressure loss for consistent performance
  • Retains stock liquid-to-liquid oil cooler for integrated system operation
  • Includes preassembled stainless steel lines with -10AN fittings
  • Thermal reflective wrap protects oil lines from nearby exhaust heat
  • Complete kit with direct-fit mounting brackets for hassle-free installation

Includes:

  • Application-Specific Mounting Brackets
  • 19-Row Oil Cooler
  • 3.5-ft Stainless Steel Braided Hose with 150 -10AN Fittings
  • 4-ft Stainless Steel Braided Hose with 90 and 150 -10AN Fittings
  • M20 Thermostatic Sandwich Plate
  • M20 Stainless Steel Sandwich Plate Adapter
  • M20 x -10AN Straight Fittings
  • Mounting Hardware Set

Notes:

  • Recommended torque specification for all straight fittings and banjo bolts: 15-25 ft-lb. Do not exceed the maximum torque rating of 35 ft-lb.
  • 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.
$218.73

Original: $624.95

-65%
Mishimoto Thermostatic Oil Cooler Kit Black 2015-2021 STI

$624.95

$218.73

Product Information

Shipping & Returns

Description

Upgrade the oil cooling on your Subaru WRX STI with Mishimoto’s direct-fit performance oil cooler kit. Designed for street and track use, this kit lowers oil temperatures, maintains minimal pressure loss, and helps protect your engine during spirited driving.

Features

  • Direct-fit for Subaru WRX STI
  • Large 19-row cooler mounts in the front bumper for maximum airflow
  • Proven 20+°F (16+°C) reduction in oil temperatures
  • Minimal pressure loss for consistent performance
  • Retains stock liquid-to-liquid oil cooler for integrated system operation
  • Includes preassembled stainless steel lines with -10AN fittings
  • Thermal reflective wrap protects oil lines from nearby exhaust heat
  • Complete kit with direct-fit mounting brackets for hassle-free installation

Includes:

  • Application-Specific Mounting Brackets
  • 19-Row Oil Cooler
  • 3.5-ft Stainless Steel Braided Hose with 150 -10AN Fittings
  • 4-ft Stainless Steel Braided Hose with 90 and 150 -10AN Fittings
  • M20 Thermostatic Sandwich Plate
  • M20 Stainless Steel Sandwich Plate Adapter
  • M20 x -10AN Straight Fittings
  • Mounting Hardware Set

Notes:

  • Recommended torque specification for all straight fittings and banjo bolts: 15-25 ft-lb. Do not exceed the maximum torque rating of 35 ft-lb.
  • 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.

You may also like

Thumbnail 1

Torque Solution Drive Shaft Carrier Bearing Support Bushings 02-21 WRX / 04-21 STI / 05-09 Legacy

$44.99

-65%
Thumbnail 1

Torque Solution Rear Differential Lockdown Kit 2002-2007 WRX / 2004-2007 STI / 2004-2008 Forester XT

$40.99

$14.35

Thumbnail 1

Torque Solution Rear Differential Inserts 2008-2014 WRX / 2008-2014 STI / 2009-2013 Forester XT

$54.99

Thumbnail 1

Torque Solution 6MT Shifter Bushings 2004-2021 STI / 2007-2009 Legacy GT Spec B

$27.99

-65%
Thumbnail 1

Torque Solution Rear Shifter Bushing 02-14 WRX / 04-21 STI / 13-21 BRZ / 13-16 FR-S / 12-20 GT86

$35.99

$12.60

Thumbnail 1

Torque Solution Positive Shift Kit 2008-2014 WRX / 2008-2021 STI

$49.99

-65%
Thumbnail 1Thumbnail 2

Kartboy 12MM Black Exhaust Hanger Standard Length 08-21 WRX / 08-21 STI / 05-09 LGT / 13-21 BRZ

$11.00

$3.85

Thumbnail 1

Torque Solution 5MT Shifter Bushings 2002-2014 WRX / 2005-2009 Legacy

$29.99

-65%
Thumbnail 1Thumbnail 2

Kartboy 12MM Black Exhaust Hanger Long 2008-2021 WRX / 2008-2021 STI / 2005-2009 LGT / 2013-2021 BRZ

$12.00

$4.20

-65%
Thumbnail 1

Torque Solution Billet Aluminum Pitch Stop Mount Black 2002-2025 WRX / STI / Legacy GT/ Forester XT / Outback XT

$99.99

$35.00

Thumbnail 1

Torque Solution Tial Blow Off Valve Adapter 2002-2007 WRX / 2004-2021 STI

$37.99

-65%
Thumbnail 1

Torque Solution Shifter Linkage Bushings 2004-2005 STI

$29.99

$10.50