HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsStandard Ignition PR455 Fuel Injection Pressure Regulator
Part #: PR455

Standard Ignition PR455 Fuel Injection Pressure Regulator

⚙️ 14 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Subaru, Forester and Impreza
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Reliable Fuel Injection Pressure Regulator for Subaru Forester and Impreza

The Standard Ignition PR455 fuel injection pressure regulator is designed to maintain consistent fuel pressure in your Subaru Forester or Impreza. Engineered with durable steel construction and a bolt mount design, this new regulator ensures precise fuel delivery for optimal engine performance.

  • Compatible with Subaru Forester and Impreza models
  • New, not remanufactured, for reliable operation
  • Constructed from durable steel with a silver finish
  • Bolt mount installation with a straight nipple orientation
  • Single inlet and outlet port for gas fuel systems
  • Includes caution sheet for safe handling and installation

Durable Construction and Design Features

The PR455 fuel injection pressure regulator by Standard Ignition is built with high-quality steel, finished in silver to resist corrosion and wear. Its bolt mount design allows for secure and straightforward installation, while the straight nipple orientation facilitates proper fuel line connection. This regulator features one inlet and one outlet port, specifically designed for gas fuel injection systems. The product is new and includes a caution sheet to guide safe installation and operation.

Purpose and Common Applications

This fuel injection pressure regulator is essential for maintaining the correct fuel pressure in Subaru Forester and Impreza vehicles, ensuring efficient fuel delivery and engine performance. It addresses several common issues, including:

  • Inconsistent fuel pressure causing engine hesitation
  • Fuel leaks due to worn or faulty regulators
  • Poor fuel economy from improper fuel regulation
  • Engine stalling or rough idling linked to fuel pressure problems
  • Check engine light triggered by fuel system faults

Installation Notes and Tips

Installation of the Standard Ignition PR455 regulator requires basic mechanical skills and proper tools. Ensure the engine is cool before beginning work. The bolt mount design simplifies attachment, but verify the straight nipple orientation aligns correctly with your fuel lines. Follow the included caution sheet carefully to avoid damage or injury. It is recommended to inspect fuel lines and connectors during installation for any signs of wear or damage.

Quality Assurance and Warranty

Standard Ignition manufactures the PR455 fuel injection pressure regulator to meet or exceed OEM specifications. This new part undergoes quality control to ensure reliable performance and durability. While specific warranty details are not provided here, Standard Ignition typically offers coverage against manufacturing defects. Consult the product packaging or manufacturer for exact warranty terms.

BrandStandard Ignition
Part NumberPR455
Automotive Performance ItemNo
ContentsIncludes Caution Sheet
Fuel TypeGas
FunctionsRegulator
MaterialSteel
Mounting TypeBolt Mount
Nipple OrientationStraight
Part FinishSilver
Regulator FinishSilver
Regulator MaterialSteel

This part fits 14 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2010SubaruForesterN/A
2009SubaruForesterN/A
2008SubaruForester2.5LH4N/A
2008SubaruImpreza2.5LH4N/A
2007SubaruForester2.5LH4N/A
2007SubaruImpreza2.5LH4N/A
2006SubaruForester2.5LH4N/A
2006SubaruImprezaWRX2.5LH4N/A
2006SubaruImprezaWRX Limited2.5LH4N/A
2006SubaruImprezaWRX TR2.5LH4N/A
2005SubaruImpreza2.0LH4N/A
2004SubaruImpreza2.0LH4N/A
2003SubaruImpreza2.0LH4N/A
2002SubaruImpreza2.0LH4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

158-15362-19902322670AA251241635G1426800-567FP10458PR4201

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.