Mishimoto Subaru 08-14 WRX/ 05-09 Legacy GT Aluminum Coolant Expansion Tank

SKU: MISMMRT-WRX-08E

Overflow and Recovery Tanks

MM Reservoir Tanks

Mishimoto

Mishimoto Subaru 08-14 WRX/ 05-09 Legacy GT Aluminum Coolant Expansion Tank

SKU: MISMMRT-WRX-08E

Overflow and Recovery Tanks

MM Reservoir Tanks

IN STOCK! Est Ship 3-5 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.

We accept

Description

Rid your 2008-2014 WRX or 2005-2009 Legacy GT engine bay of the eyesore that is the stock expansion tank, and replace it with the Mishimoto aluminum coolant expansion tank. The all-aluminum, fully welded construction of the Mishimoto expansion tank does more than dress up your engine bay. This tank also offers increased durability during repeated cold and hot transitions, and leak-free welded CNC barb fittings. In addition, the Mishimoto aluminum coolant expansion tank offers a 22-percent increase in fluid capacity over the factory expansion tank. This direct-fit expansion tank upgrade is compatible with the stock Subaru and Mishimoto radiator caps, and is available either in polished silver, to match the Mishimoto Performance Radiator, or in Stealth Black. As with all our products, this expansion tank includes the Mishimoto Lifetime Warranty.

Product Overview

2009 Subaru Forester XT 2.5 Liter TZ1B8, 2009-2010 Subaru Forester XT Limited 2.5 Liter TZ1B8, 2010-2013 Subaru Forester XT Premium 2.5 Liter TZ1B8, 2011-2013 Subaru Forester XT Touring 2.5 Liter TZ1B8, 2008-2014 Subaru Impreza WRX 2.5 Liter TY758, 2008 Subaru Impreza WRX 2.5 Liter TZ1B8, 2010-2014 Subaru Impreza WRX Limited 2.5 Liter TY758, 2009-2014 Subaru Impreza WRX Premium 2.5 Liter TY758, 2005-2006 Subaru Legacy GT 2.5 Liter TG5C7, 2005-2006 Subaru Legacy GT 2.5 Liter TY757, 2005 Subaru Legacy GT Limited 2.5 Liter TG5C7, 2007 Subaru Legacy GT Limited 2.5 Liter TG5C7, 2008-2009 Subaru Legacy GT Limited 2.5 Liter TG5D7, 2005 Subaru Legacy GT Limited 2.5 Liter TY757, 2007 Subaru Legacy GT Limited 2.5 Liter TY757, 2008-2009 Subaru Legacy GT Limited 2.5 Liter TY758, 2005-2006 Subaru Outback XT 2.5 Liter TG5C7, 2005-2006 Subaru Outback XT 2.5 Liter TY757, 2005 Subaru Outback XT Limited 2.5 Liter TG5C7, 2007 Subaru Outback XT Limited 2.5 Liter TG5C7, 2008-2009 Subaru Outback XT Limited 2.5 Liter TG5D7, 2005 Subaru Outback XT Limited 2.5 Liter TY757, 2007 Subaru Outback XT Limited 2.5 Liter TY757, 2008-2009 Subaru Outback XT Limited 2.5 Liter TY758

Features and Benefits

Direct fit for the 2008â€“2014 Subaru WRX and 2005â€“2009 Subaru Legacy GT
22% greater capacity than stock plastic expansion tank
All-aluminum, fully welded construction for maximum durability during repeated cold and hot transitions
Leak-free welded CNC barb fittings
Fits with Mishimoto Subaru WRX Front-Mount Intercooler Kit
Fits with stock and Mishimoto radiator caps
Polished aluminum finish matches the Mishimoto Subaru WRX/STI Performance Aluminum Radiator
Mishimoto Lifetime Warranty

Product Details

Alternate Part Number:	MMRT-WRX-08E
Color:	Silver
Description:	Subaru WRX Aluminum Coolant Expansion Tank
Finish:	Polished
Install Difficulty:	N/A
Installation Difficulty:	2/5
Material:	Aluminum
OptionLabel:	Polished
Part Number:	misMMRT-WRX-08E
SellingPoint01:	Direct fit for the 2008-2014 Subaru WRX and 2005-2009 Subaru Legacy GT
SellingPoint02:	22-percent greater capacity than stock plastic expansion tank
SellingPoint03:	All-aluminum, fully welded construction for maximum durability during repeated cold and hot transitions
SellingPoint04:	Leak-free welded CNC barb fittings
SellingPoint05:	Fits with Mishimoto Subaru WRX Front-Mount Intercooler Kit
SellingPoint06:	Fits with stock and Mishimoto radiator caps
SellingPoint07:	Polished aluminum finish matches the Mishimoto Subaru WRX/STI Performance Aluminum Radiator
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:	2008-2014 Subaru WRX--2005-2009 Subaru Legacy GT--2005-2009 Subaru Outback XT--2009-2014 Subaru Forester XT
TechSpec Chassis Codes:	N/A
TechSpec Engine Codes:	EJ205--EJ255
TechSpec Fluid Capacity (gal):	0.15
TechSpec Height (in):	4.88
TechSpec Includes:	(1) Aluminum Expansion Tank--(1) Mishimoto Radiator Cap--Lifetime Warranty
TechSpec Installation Notes:	N/A
TechSpec Material:	6061 Aluminum
TechSpec Note:	This expansion tank may not fit with the stock air intake "S" hose, an aftermarket intake is recommended for the best fit. Mishimoto offers both the Performance Air Intake, and Performance Race Intake which are perfect for this application!
TechSpec Width (in):	4

Application Summary

Part Type

Engine Coolant Reservoir

Data: v4.2 - Upd: 2026-09-29 08:29:24

Features

22-percent greater capacity than stock plastic expansion tank
All-aluminum, fully welded construction for maximum durability during repeated cold and hot transitions
Leak-free welded CNC barb fittings

Specifications

Product Attributes - Brand: Mishimoto
Product Attributes - Manufacturer's Part Number: MMRT-WRX-08E
Product Attributes - Part Type: Overflow and Recovery Tanks
Product Attributes - Product Line: Mishimoto Coolant Reservoir Tanks
Product Attributes - UPC: 748354020366
Product Attributes - Recirculating: Yes
Product Attributes - Overflow Tank Material: Aluminum
Product Attributes - Overflow Tank Color: Polished
Product Attributes - Shape: Rectangular
Product Attributes - Capacity: 19 oz.
Product Attributes - Width (in.): 4.000 in.
Product Attributes - Height (in.): 4.880 in.
Product Attributes - Vented: Yes
Product Attributes - Drain Valve Included: No
Product Attributes - Overflow Tank Mounting: Bolt-in
Product Attributes - Mounting Hardware Included: Yes
Product Attributes - Quantity: Sold individually.
Product Attributes - Notes: Includes a Mishimoto radiator cap. Tank has 2 percent more capacity than stock. May not fit with all stock air intakes.

Reference Information

Brand Name/s	Mishimoto
StreetFX SKU	misMMRT-WRX-08E
SFX Item ID	4050352
Supplier Item Code	4050352
Manufacturer SKU	MMRT-WRX-08E
Manufacturer UPC	748354020366
Alternative References	mio-mmrt-wrx-08e, MIMMMRT-WRX-08E