Standard Ignition PR506 Fuel Injection Pressure Regulator - Right

Fuel Injection Pressure Regulator for Toyota Applications

Standard Ignition PR506 is a fuel injection pressure regulator for gas systems, built with a steel body and an angled nipple orientation. It includes an O-ring and a caution sheet, and it regulates fuel pressure at 49 psi for the listed Toyota fuel rail applications.

Compatible with select Toyota 4Runner, FJ Cruiser, and Tundra models, this PR506 fuel injection pressure regulator supports consistent fuel delivery in vehicles that use a fuel rail-mounted regulator on the right side or the noted N/A configurations.

Key Features

• Brand: Standard Ignition
• Part number: PR506
• Fuel injection pressure regulator for gas systems
• Steel construction for fuel system service
• Angled nipple orientation
• Operating pressure: 49 psi
• Includes O-ring and caution sheet
• Single inlet design

Application Details

This Standard Ignition PR506 regulator is used in fuel injection systems where stable rail pressure is required for proper engine operation. It is listed for 2010 Toyota 4Runner, 2010-2014 Toyota FJ Cruiser, 2012-2018 Toyota 4Runner, and 2012-2014 Toyota Tundra applications, including fuel rail-mounted right-side locations where specified. The PR506 is a direct-fit style replacement for the listed Toyota fuel system configurations.

This part cross-references Dynomax 24214 for the same application.

What This Part Helps Address

• Fuel pressure that is outside the specified 49 psi range
• Rough idle caused by inconsistent fuel rail pressure
• Hard starting related to fuel delivery regulation
• Fuel trim issues tied to unstable injector supply pressure
• Fuel system service needs on Toyota 4Runner, FJ Cruiser, and Tundra models

Installation Notes

Verify the fuel rail location, nipple orientation, and system pressure specification before installation. Replace the O-ring during service and follow the included caution sheet. Confirm the vehicle year, model, and listed position match the application data for PR506 before final assembly.

Quality Assurance

Standard Ignition supplies fuel system components for service replacement applications, and PR506 is built to match the listed pressure and fitment requirements for the specified Toyota vehicles.