Details

• Brand:

  

• SKU:

  22670AA351

• Other Names:

  Fuel Injection Pressure Regulator, Regulator Ay Pressure

• Description:

  All models. Forester. Impreza. 2.5l. With turbo. With sti. Baja.

  
  

  Fuel Pressure Regulator – Subaru (22670AA351) is a Genuine OEM fuel pressure regulator designed to deliver precise and consistent fuel pressure in your Subaru’s fuel system. This component is vital for maintaining optimal fuel rail pressure, ensuring your engine receives the exact amount of fuel required under varying conditions—boost, high load, or idle.

  Engineered and manufactured by Subaru, this regulator (part number 22670AA351) features a high-precision spring-loaded diaphragm and corrosion-resistant metal housing. Built to OEM specifications, it responds accurately to vacuum changes and maintains stable fuel pressure, supporting smooth throttle response and efficient combustion .

  Designed for direct-fit installation, this regulator mounts securely to the fuel rail using factory-style seals and hardware. It connects to the vacuum line without modifications, allowing professional mechanics and DIY enthusiasts to install it quickly with basic tools—typically in under 30 minutes .

  This OEM part ensures compatibility with select turbocharged Subaru models, including Baja Turbo (2004‑2006), Forester XT (2004‑2005), and Impreza WRX/STI (2004‑2007) . Subaru’s stringent engineering standards mean you’ll get factory-level performance and fit—reducing the risk of fuel delivery issues, bucking, hesitation, or extended crank times.

  Compared to aftermarket alternatives, the Genuine OEM regulator avoids common pitfalls like diaphragm failure, inconsistent calibration, or poor seal integrity. It maintains Subaru’s intended fuel pressure thresholds, preventing drivability problems, misfires, or lean/rich faults and minimizing check-engine codes.

  Key benefits of the Fuel Pressure Regulator – Subaru (22670AA351):

  • ✔ Precision fuel pressure control for consistent delivery

  • ✔ Robust OEM-grade materials with superior corrosion and heat resistance

  • ✔ Direct-fit design—no adaptations required

  • ✔ Improved throttle response and drivability, eliminating stumble and hesitation

  • ✔ Reduces the likelihood of fuel system fault codes and performance issues

  Whether you're replacing a worn regulator or upgrading a high-mileage vehicle, the Subaru Fuel Pressure Regulator (22670AA351) offers the factory-grade reliability and performance that mechanics and enthusiasts expect. Trust Subaru's genuine components to maintain your engine’s peak condition.

  
  

• Condition: New

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