How to Replace the Fuel Pressure Regulator on Subaru Impreza?

Depressurize the fuel system and disconnect the battery's negative cable. Remove and plug the fuel damper hoses, replacing clamps as needed. Install the damper and tighten clamps. For models after 2004, remove the air intake duct and disconnect the hose from the fuel pressure regulator. Remove the regulator from the fuel rail and replace the O-ring. Reinstall in reverse order, ensuring all bolts and clamps are secure. Check for leaks upon starting the engine.

Genuine Subaru Impreza Fuel Pressure Regulator

Fuel Tank Pressure Regulator

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9 Fuel Pressure Regulators found

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Subaru Impreza Fuel Pressure Regulator
Part Number: 22670AA400
$94.28 MSRP: $136.63
You Save: $42.35 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Regulator Assembly-Pressure
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2011 Subaru Impreza | 2.5 GT, WRX, WRX Sport, WRXSS | 2.5L H4 Turbo
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Subaru Impreza Fuel Pressure Regulator
Part Number: 22670AA240
$109.39 MSRP: $158.53
You Save: $49.14 (31%)
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Product Specifications
- Other Name: Regulator Assembly-Pressure
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1999-2004 Subaru Impreza | Brighton, L, Outback, RS, TS | 2.2L H4 Series, 2.5L H4, 2.5L H4 SOHC
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Subaru Impreza Fuel Pressure Regulator
Part Number: 22670AA252
$123.13 MSRP: $178.45
You Save: $55.32 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Regulator Assembly-Pressure
- Replaces: 22670AA251
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2002-2007 Subaru Impreza | STI, STI Limited, WRX, WRX TR | 2.0L H4 Turbo, 2.5L H4 Turbo
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Subaru Impreza Fuel Pressure Regulator
Part Number: 22670AA251
$123.13 MSRP: $178.45
You Save: $55.32 (31%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Regulator Assembly-Pressure
- Replaced by: 22670AA252
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2002-2006 Subaru Impreza | WRX | 2.0L H4 Turbo, 2.5L H4 Turbo
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Subaru Impreza Fuel Pressure Regulator
Part Number: 22670AA351
$118.65 MSRP: $171.95
You Save: $53.30 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Regulator Assembly-Pressure
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2004-2006 Subaru Impreza | STI | 2.5L H4 Turbo
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Subaru Impreza Fuel Pressure Regulator
Part Number: 22670AA221
$109.39 MSRP: $158.53
You Save: $49.14 (31%)
ADD TO CART
Product Specifications
- Other Name: Regulator Assembly-Pressure
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1999-2001 Subaru Impreza | Brighton, L, Outback, TS | 2.2L H4 Series
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Subaru Impreza Fuel Pressure Regulator
Part Number: 22670AA390
$86.91 MSRP: $125.95
You Save: $39.04 (31%)
Product Specifications
- Other Name: Regulator Assembly-Pressure
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2005 Subaru Impreza | Outback, RS | 2.5L H4
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Subaru Impreza Fuel Injection Pressure Regulator
Part Number: 22670AA440
Product Specifications
- Other Name: Regulator Assembly-Pressure
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2011 Subaru Impreza | STI, STI Special Edition, STI Sport | 2.5L H4 Turbo
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Subaru Impreza Fuel Pressure Regulator
Part Number: 22670AA050
Product Specifications
- Other Name: Regulator Assembly-Pressure
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993-1998 Subaru Impreza | Base, Brighton, L, L+, LE, LS, LX, Outback, RS | 1.8L H4, 2.2L H4, 2.2L H4 (New EVAPO), 2.5L H4 DOHC

Subaru Impreza Fuel Pressure Regulator

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Subaru Impreza Fuel Pressure Regulator Parts Questions & Experts Answers

Fuel Pressure Regulator
22670AA240
Q: How to Replace the Fuel Pressure Regulator on Subaru Impreza?
A: Depressurize the fuel system and disconnect the battery's negative cable. Remove and plug the fuel damper hoses, replacing clamps as needed. Install the damper and tighten clamps. For models after 2004, remove the air intake duct and disconnect the hose from the fuel pressure regulator. Remove the regulator from the fuel rail and replace the O-ring. Reinstall in reverse order, ensuring all bolts and clamps are secure. Check for leaks upon starting the engine.

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