Standard Ignition PR23 Fuel Injection Pressure Regulator

Brand Standard Ignition PR23
Fuel Type Gas
Fits Cadillac · 26 vehicles

Leak-resistant design. Robust engineering helps reduce leakage for dependable fuel delivery.

Application-specific fit. Precision-engineered for proper fit and form.

Fuel pressure regulation. Helps maintain proper fuel delivery and engine performance.

Cross-references Dorman - OE Solutions 800-135, Gates 21721 and Remy 21069 for the same application. See all 11.

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Fuel Pressure Control for Classic Cadillac Applications

Standard Ignition PR23 is a fuel injection pressure regulator built for gas applications where stable fuel delivery matters. It is application-specific for the listed Cadillac vehicles, with engineering focused on reducing leakage and supporting consistent engine performance.

Compatible With 1975-1980 Cadillac Eldorado, 1976-1980 Cadillac Seville, 1975-1979 Cadillac Commercial Chassis, 1975-1979 Cadillac DeVille, and 1975-1979 Cadillac Fleetwood. This Standard Ignition PR23 fuel injection pressure regulator is a direct-fit service part for these classic Cadillac fuel systems.

Key Features

  • Fuel injection pressure regulator for gas fuel systems
  • Application-specific fit and form for the listed Cadillac models
  • Precision-engineered to support proper fuel delivery
  • Built with a design that helps resist leakage
  • Standard Ignition PR23 for service and replacement use

Detailed Description

The Standard Ignition PR23 is engineered to regulate fuel pressure within the injection system so the engine receives fuel at the correct rate and pressure. For 1975-1980 Cadillac Eldorado, 1976-1980 Cadillac Seville, 1975-1979 Cadillac Commercial Chassis, 1975-1979 Cadillac DeVille, and 1975-1979 Cadillac Fleetwood, this regulator is shaped for the intended application and built to maintain dependable fuel system operation. If you are replacing a worn or leaking regulator on a classic Cadillac, PR23 provides a focused OE-style service solution.

This part cross-references Dorman OE Solutions 800-135 for the same application.

Common Problems This Part Can Address

  • Fuel pressure that is too high or too low for proper injection performance
  • Fuel leakage at the regulator body or related fuel system connections
  • Rough idle caused by inconsistent fuel delivery
  • Hard starting related to unstable fuel pressure
  • Driveability issues on classic Cadillac fuel injection systems

Installation Notes and Tips

Verify the vehicle year, model, and fuel system configuration before installation. Inspect surrounding fuel lines, seals, and vacuum-related connections for wear or contamination while servicing the regulator. After installation, check for leaks and confirm fuel pressure meets the vehicle’s specification.

Quality Assurance

Standard Ignition manufactures this regulator with control over the production process from components through finished product, helping maintain consistent build quality for service replacement use.

This part fits 26 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
1980CadillacEldorado5.7LV8N/A
1980CadillacSeville5.7LV8N/A
1979CadillacCommercial Chassis7.0LV8N/A
1979CadillacDeVille7.0LV8N/A
1979CadillacEldorado5.7LV8GASN/A
1979CadillacFleetwood7.0LV8N/A
1979CadillacSeville5.7LV8N/A
1978CadillacCommercial Chassis7.0LV8N/A
1978CadillacDeVille7.0LV8N/A
1978CadillacEldorado7.0LV8N/A
1978CadillacFleetwood7.0LV8N/A
1978CadillacSeville5.7LV8N/A
1977CadillacCommercial Chassis7.0LV8N/A
1977CadillacDeVille7.0LV8N/A
1977CadillacEldorado7.0LV8N/A
1977CadillacFleetwood7.0LV8N/A
1977CadillacSeville5.7LV8N/A
1976CadillacCommercial Chassis8.2LV8N/A
1976CadillacDeVille8.2LV8N/A
1976CadillacEldorado8.2LV8N/A
1976CadillacFleetwood8.2LV8N/A
1976CadillacSeville5.7LV8N/A
1975CadillacCommercial Chassis8.2LV8N/A
1975CadillacDeVille8.2LV8N/A
1975CadillacEldorado8.2LV8N/A
1975CadillacFleetwood8.2LV8N/A
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - OE Solutions — 800-135Gates — 21721Remy — 210692-17945G1057143-7038161215016467630280160207FP10567PR103