Engine Camshaft Plug. Engine Core Plug. Engine Expansion Plug. Engine Freeze Plug.

Part Number: 11051AA170
Supersession(s): 11051AA140

Engine Welch Plug. Plug that prevents the Engine Block or Cylinder Head from cracking in Case of freezing Coolant. Also used to Plug the casting holes from production.

PLUG-CYLINDER HEAD PLUG-CYLINDER HEAD Engine Core PlugEngine Camshaft Plug

Fits Baja, BRZ, Forester, Legacy, Outback, STI, Tribeca

Camshaft Plug
A failed camshaft plug will result an oil leak in the engine compartment of your 2009 Subaru STI.

Diagram CYLINDER HEAD for your 2009 Subaru STI
#11051*C
BODY '00MY-'04MY
Diagram OIL PAN for your 2009 Subaru STI
#11051A
Required: 1
UPPER '00MY-'04MY
Diagram OIL PAN for your 2009 Subaru STI
#11051*B
Required: 1
UPPER
Diagram OIL PAN for your 2009 Subaru STI
#11051
Required: 1
UPPER
Diagram OIL PAN for your 2009 Subaru STI
#11051
Required: 1
UPPER
Diagram OIL PAN for your 2009 Subaru STI
#11051
Required: 1

Subaru of Spokane Parts

423 W. 3rd Ave., Spokane, WA, 99201

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