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Mishimoto 2008-2014 WRX/STi Thermostatic Oil Cooler Kit - Black product view

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Mishimoto MMOC-STI-08TBK installed angle on vehicle

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Mishimoto 2008-2014 WRX/STi Thermostatic Oil Cooler Kit - Black core and end tank detail

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Mishimoto 2008-2014 WRX/STi Thermostatic Oil Cooler Kit - Black packaging and included hardware

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Mishimoto 2008-2014 application close-up of MMOC-STI-08TBK

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Mishimoto 2008-2014 WRX/STi Thermostatic Oil Cooler Kit - Black mounting points detail

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Mishimoto 2008-2014 WRX/STi Thermostatic Oil Cooler Kit - Black finish and construction detail

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Mishimoto 2008-2014 WRX/STi Thermostatic Oil Cooler Kit - Black inlet and outlet close-up

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Mishimoto 2008-2014 WRX/STi Thermostatic Oil Cooler Kit - Black compared with stock packaging

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Mishimoto 2008-2014 WRX/STi Thermostatic Oil Cooler Kit - Black

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Brand: MishimotoSKU / Part #: MISMMOC-STI-08TBK

Regular price: $610.95
Regular price: ~~$672.00~~
Sale price: $610.95
Unit price: per

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Subtotal: $610.95

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Mishimoto 2008-2014 WRX/STi Thermostatic Oil Cooler Kit - Black

Subtotal: $610.95

Not sure it fits? Text us your VINSee all fitment

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Overview

This Mishimoto performance cooler is a direct-fit upgrade for 2008-2014 Subaru applications covering Impreza WRX STI. It replaces the weak points of the stock part with stronger materials and better flow or cooling so heat, boost and abuse stay under control on street and track duty. AutoTalent lists verified US-market fitment in the table below.

Why upgrade

These kits are engineered around real chassis packaging, so hoses, coolers and adapters line up without fabrication on the listed years. Follow the published torque specs and install guide, reuse sensors where instructed, and confirm clearances if you run other supporting mods. Every unit ships with the Mishimoto Lifetime Warranty for as long as you own it. Confirm hose routing, cooler clearance and sensor plugs before the first hard pull. US shipping dimensions and weight above are for the boxed kit. If fitment for a rare trim is unclear, call AutoTalent before ordering.

Features

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

What's Included

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

Specifications

Part number	MMOC-STI-08TBK
Brand	Mishimoto
Type	cooler
Shipping dimensions	18.6 x 15.2 x 8.4 in (47.2 x 38.6 x 21.3 cm)
Shipping weight	11.4 lb (5.2 kg)

Fitment Notes

Verified against Mishimoto US applications and dealer listing for 2008-2014 (1 rows). Years extended to 2027 where the US model remains in production.

Vehicle Fitment

Questions about fitment? Call (310) 231-0292 or text (310) 886-3111.
Year	Make	Model	Chassis	Engine
2008-2014	Subaru	Impreza WRX STI	SUB-US	—

Fitment

Year	Make	Model

Not sure? Text us your VIN and we’ll confirm.

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

Reviews & questions