Standard PR131T Fuel Injection Pressure Regulator

Reliable Fuel Injection Pressure Regulator for GM and Isuzu Vehicles

The Standard PR131T fuel injection pressure regulator is designed for direct mounting and precise fuel pressure control. Engineered to fit a wide range of Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac models, this regulator ensures consistent fuel delivery for optimal engine performance.

• Includes diaphragm assembly, gasket, 1/8" and 5/16" high foam rings, and two aluminum components
• Direct mounting type for straightforward installation
• Compatible with both left-hand and right-hand side tail lamps with plug for unused guide hole
• Part number PR131T for easy identification and ordering

Product Details and Compatibility

The PR131T fuel injection pressure regulator from Standard is built to maintain stable fuel pressure within the fuel injection system, supporting efficient combustion and engine responsiveness. This part fits a broad selection of vehicles including Chevrolet Blazer, Camaro, Suburban, Tahoe, and S10; GMC Sierra and Jimmy; Buick Century and Regal; Cadillac DeVille and Eldorado; Pontiac Grand Prix and Firebird; Isuzu Trooper and Rodeo; Oldsmobile Cutlass and 88; and more. The regulator’s direct mounting design simplifies replacement and ensures a secure fit.

Common Applications and Issues Addressed

• Regulates fuel pressure to prevent engine stalling or hesitation
• Helps resolve rough idling caused by inconsistent fuel delivery
• Prevents fuel leaks and maintains fuel system integrity
• Supports proper fuel injection timing and engine performance
• Addresses poor acceleration due to faulty pressure regulation

Installation Notes and Tips

When installing the PR131T fuel injection pressure regulator, ensure the mounting surface is clean and free of debris. The part fits both left-hand and right-hand side tail lamps, and any unused guide holes should be plugged as specified. Use the included gasket and foam rings to achieve a proper seal and prevent leaks. Follow vehicle-specific service manual instructions for torque specifications and safety precautions.

Quality Assurance and Warranty

Standard parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The PR131T fuel injection pressure regulator undergoes rigorous quality control to ensure consistent operation. Warranty coverage details should be confirmed with the product documentation or supplier.