HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsStandard Ignition PR452 Fuel Injection Pressure Regulator
Part #: PR452

Standard Ignition PR452 Fuel Injection Pressure Regulator

8 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Subaru, Baja, Impreza, and Forester
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Overview of Standard Ignition Fuel Injection Pressure Regulator PR452

The Standard Ignition PR452 fuel injection pressure regulator is designed for precise fuel pressure control in Subaru vehicles. Compatible with Subaru Baja, Forester, and Impreza models, this adjustable regulator ensures optimal fuel delivery for gas systems.

  • Adjustable fuel pressure regulator for fine-tuning
  • Includes caution sheet for safe installation
  • Two inlet ports and one outlet port with angled nipple orientation
  • Reference port included for accurate pressure monitoring
  • New, not remanufactured, ensuring reliable performance
  • Designed specifically for gas fuel injection systems
  • Return-type regulator for consistent fuel pressure management

Detailed Product Description

The Standard Ignition PR452 fuel injection pressure regulator is engineered to maintain consistent fuel pressure in Subaru gas fuel injection systems. Featuring an adjustable design, it allows technicians to calibrate fuel pressure precisely to meet engine requirements. The regulator includes two inlet ports and a single outlet port with an angled nipple orientation, facilitating straightforward installation and optimal fuel flow. A reference port is also included, enabling accurate pressure readings during diagnostics or tuning. This new component comes with a caution sheet to guide safe handling and installation procedures. Compatible with Subaru Baja, Forester, and Impreza models, the PR452 supports efficient fuel delivery and engine performance.

Common Applications and Issues Addressed

  • Regulates fuel pressure to prevent engine stalling or hesitation
  • Helps resolve inconsistent fuel delivery or pressure fluctuations
  • Prevents fuel leaks caused by worn or faulty regulators
  • Supports proper engine performance in Subaru Baja, Forester, and Impreza
  • Assists in maintaining fuel system pressure for smooth acceleration

Installation Notes and Tips

  • Ensure the vehicle is compatible: Subaru Baja, Forester, or Impreza models
  • Follow the included caution sheet carefully to avoid damage
  • Check nipple orientation for correct alignment during installation
  • Use the reference port to verify fuel pressure after installation
  • Adjust the regulator as needed to match manufacturer specifications

Quality Assurance and Warranty

The Standard Ignition PR452 is a new fuel injection pressure regulator manufactured to meet OEM standards. It undergoes rigorous quality control to ensure durability and reliable operation in Subaru gas fuel systems. While specific warranty details may vary, Standard Ignition products typically include a limited warranty against defects in materials and workmanship to provide confidence in your purchase.

BrandStandard Ignition
Part NumberPR452
AdjustableYes
ContentsIncludes Caution Sheet
Fuel TypeGas
FunctionsRegulator
New or RemanNew
Nipple OrientationAngled
Number of outlets1
Reference Port IncludedYes
TypeReturn

This part fits 8 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2006SubaruBaja2.5LH4N/A
2006SubaruImprezaWRX STI2.5LH4N/A
2005SubaruBaja2.5LH4N/A
2005SubaruForester2.5LH4N/A
2005SubaruImpreza2.5LH4N/A
2004SubaruBaja2.5LH4N/A
2004SubaruForester2.5LH4N/A
2004SubaruImpreza2.5LH4N/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:

2-19902022670AA351241605G1445800-564FP10496PR4214

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