THIS DOES NOT FIT YOUR 2003 Subaru STI

2003 Subaru STI : Engine and Cooling Products
Find Parts That Fit:

Engine Coolant Reservoir. Tank Water.

Part Number: 21132AA121
Supersession(s): 21132AA120
View 21132AA121 Engine Coolant Reservoir. Tank Water. Full-Sized Product Image
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TANK ASSEMBLY-WATER Engine Coolant Reservoir

Fits Forester, Impreza, Legacy, Outback, WRX

Engine Coolant Expansion Tank
A failed expansion tank can cause the cooling system in your Subaru to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.

WATER PIPE (1)
Full Diagram
Diagram WATER PIPE (1) for your 2003 Subaru STI
#21132
Required: 1
WATER TANK
WATER PIPE (1)
Full Diagram
Diagram WATER PIPE (1) for your 2003 Subaru STI
#21132
Required: 1
WATER TANK
WATER PIPE (1)
Full Diagram
Diagram WATER PIPE (1) for your 2003 Subaru STI
#21132
Required: 1
WATER TANK
WATER PIPE (1)
Full Diagram
Diagram WATER PIPE (1) for your 2003 Subaru STI
#21132
Required: 1
WATER TANK

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