HomeAir and Fuel Delivery > Gaskets and Sealing SystemsStandard Ignition SK31 Fuel Injection Pressure Regulator O-Ring
Part #: SK31

Standard Ignition SK31 Fuel Injection Pressure Regulator O-Ring

⚙️ 13 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: Nissan, Altima, 300ZX, and Maxima
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Reliable Fuel Injection Pressure Regulator O-Ring for Nissan Vehicles

The Standard Ignition SK31 Fuel Injection Pressure Regulator O-Ring is designed to provide a secure seal in the fuel system of select Nissan models. This essential component helps maintain proper fuel pressure and prevents leaks, ensuring optimal engine performance for your Nissan 300ZX, Altima, or Maxima.

  • Compatible with Nissan 300ZX, Altima, and Maxima models
  • Part number SK31 for precise identification
  • Durable material engineered for fuel system sealing
  • Ensures proper fuel injection pressure regulation
  • Easy to install replacement O-ring

Product Details and Compatibility

The SK31 Fuel Injection Pressure Regulator O-Ring from Standard Ignition is specifically designed for use in the air and fuel delivery system, focusing on gaskets and sealing systems. This O-ring fits Nissan vehicles including the 300ZX, Altima, and Maxima, providing a reliable seal for the fuel injection pressure regulator. Maintaining a proper seal is critical to prevent fuel leaks and maintain consistent fuel pressure, which directly impacts engine efficiency and emissions.

Common Applications and Issues Addressed

  • Prevents fuel leaks around the pressure regulator
  • Maintains consistent fuel injection pressure
  • Reduces risk of engine performance issues due to fuel pressure loss
  • Helps avoid fuel system contamination
  • Supports proper fuel delivery for smooth engine operation

Installation Notes and Tips

When installing the Standard Ignition SK31 O-Ring, ensure the fuel system is depressurized to avoid fuel spray. Carefully remove the old O-ring and clean the sealing surface before installing the new one. Lubricate the O-ring lightly with clean engine oil or fuel-resistant lubricant to ease installation and prevent damage. Verify the O-ring is seated properly to maintain an effective seal.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable fit and function. The SK31 Fuel Injection Pressure Regulator O-Ring undergoes quality control checks to maintain consistent performance. Warranty coverage details are provided by Standard Ignition and typically cover defects in material and workmanship under normal use.

This part fits 13 vehicles. Search below:

YearMakeModelPositionNotes
1997NissanAltimaN/A0.097 Inch Thick
1996NissanAltimaN/A0.097 Inch Thick
1995NissanAltimaN/A0.097 Inch Thick
1994Nissan300ZXN/A0.097 Inch Thick
1994NissanAltimaN/A0.097 Inch Thick
1993Nissan300ZXN/A0.097 Inch Thick
1992Nissan300ZXN/A0.097 Inch Thick
1992NissanMaximaN/A0.097 Inch Thick
1991Nissan300ZXN/A0.097 Inch Thick
1991NissanMaximaN/A0.097 Inch Thick
1990Nissan300ZXN/A0.097 Inch Thick
1990NissanMaximaN/A0.097 Inch Thick
1989NissanMaximaN/A0.097 Inch Thick

* 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:

1661810V00191388281G13252-12314274783800-9227ORDL9227

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