Thermostats & Parts
By-Pass Pipe
Subaru
14050AA992
2.5L without turbo, 2013-14. 2.5L without turbo, 2011-13.
Thermostat Unit
Subaru
21200AA200
2.5L without turbo, 2010-12.
$19.50
MSRP $25.00
Save $5.50
22% Off 
Water Pipe
Subaru
21328AA271
Legacy, Outback. Left. To 04/18/2023. Outlet. From 04/19/2023.
$25.82
MSRP $33.10
Save $7.28
22% Off 
Engine Coolant Pipe
Subaru
14070AA440
2.5L, thermostat. Upper. Pipe assy. 2.5L, 2024-25.
$27.82
MSRP $39.70
Save $11.88
29.9% Off 
By-Pass Pipe O-Ring
Subaru
806916090
Front. 2.5L, lower. With hybrid, lower.
$1.04
MSRP $1.38
Save $0.34
24.6% Off 
OEM NEW 12-21 Subaru Crosstrek Engine Coolant Thermostat Housing Bolt 808206040
Subaru
808206040
3.6L. 2.0L hybrid. With hybrid. 2.5L, 2024-25.
$1.80
MSRP $2.00
Save $0.20
10% Off 
Thermostat Housing
Subaru
11060AA290
BRZ. Upper, auto trans only. Transmission Cooling.
$16.32
MSRP $20.92
Save $4.60
22% Off 
OEM NEW 2015-2019 Subaru Crosstrek Impreza Engine Coolant Thermostat 21210AA260
Subaru
21210AA260
2.5L. Legacy, Outback.
$27.63
MSRP $39.43
Save $11.80
29.9% Off 
OEM NEW 2006-2011 Subaru Forester Impreza WRX STI Thermostat Assembly 21200AA170
Subaru
21200AA170
Thermostat. Impreza. Forester. 2.5L, 2006-07.
$19.50
MSRP $25.00
Save $5.50
22% Off 
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