Standard Ignition SK31 Fuel Injection Pressure Regulator O-Ring

Fuel Injection Pressure Regulator O-Ring for Nissan

Standard Ignition SK31 is a fuel injection pressure regulator O-ring made for sealing service on select Nissan fuel systems. It is a direct-fit sealing component for maintaining a secure connection at the regulator and helping preserve proper fuel pressure control.

Key Features

• Fuel injection pressure regulator O-ring for air and fuel delivery sealing service
• Standard Ignition SK31 replacement part number
• 0.097 inch thick sealing profile
• Fits select Nissan Altima, Nissan 300ZX, and Nissan Maxima applications
• Non-electronic, non-battery, non-bulb component

Detailed Description

Standard Ignition SK31 is a sealing O-ring used at the fuel injection pressure regulator to help maintain a tight seal in the fuel system. This part is listed for 1994-1997 Nissan Altima, 1990-1994 Nissan 300ZX, and 1989-1992 Nissan Maxima, with a 0.097 inch thick design. If you are servicing a Nissan Altima fuel pressure regulator seal, a Nissan 300ZX regulator O-ring, or a Nissan Maxima fuel injection sealing point, SK31 provides the specified replacement format for those applications. This part cross-references 1661810V00 for the same application.

What This Part Helps Address

• Fuel seepage at the pressure regulator seal
• Loss of sealing integrity in the fuel injection system
• Hard starting caused by regulator-side fuel leakage
• Fuel odor from a worn or flattened O-ring
• Pressure irregularities related to a compromised seal

Installation Notes and Tips

Inspect the regulator bore and mating surfaces before installation. Replace the O-ring only with the correct size and thickness specified for the application, and lubricate the seal with clean fuel or an approved assembly lubricant during installation to reduce twisting or pinching. Confirm fitment by year, make, and model before service.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management service parts. SK31 is a non-chemical sealing component with no electronic components, no battery, no bulb, and no CARB impact noted in the product data.

Compatible Vehicles

• Fits 1994-1997 Nissan Altima, N/A, 0.097 Inch Thick
• Fits 1990-1994 Nissan 300ZX, N/A, 0.097 Inch Thick
• Fits 1989-1992 Nissan Maxima, N/A, 0.097 Inch Thick