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Subaru STI : Engine and Cooling Products
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Fuel Injection Pressure Regulator

Part Number: 22670AA440
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REGULATOR ASSEMBLY-PRESSURE Fuel Injection Pressure Regulator

Fits STI (2008 - 2021)

Fuel Pressure Regulator
If your fuel pressure regulator is in need of repair, your Subaru may experience extended crank times or buck or hesitate under acceleration.

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FUEL PIPING
Full Diagram
Diagram FUEL PIPING for your Subaru STI
#22670
Required: 1
FUEL PIPING (FRONT)
FUEL PIPING
Full Diagram
Diagram FUEL PIPING for your Subaru STI
#22670
Required: 1
FUEL PIPING (FRONT)

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