Standard Ignition PR23 fuel injection pressure regulator for the 1975-1976 Cadillac Eldorado V8 8.2L, the 1977-1978 Eldorado V8 7.0L, the 1979-1980 Eldorado V8 5.7L and other vehicles keeps fuel pressure at the injectors steady. It is also called a fuel pressure regulator.
- Consistent, precise fuel delivery to support acceleration and throttle response
- Leak-proof seals and thermal resistance for use in all driving conditions
- 200+ hours of vibration testing, 1000+ hours of extreme heat and cold operational testing and on-vehicle testing
- Corrosion-resistant, wear-resistant construction that resists breaking and deforming
Quick facts
- Part: Standard Ignition PR23 fuel injection pressure regulator
- Fits: the 1975-1976 Cadillac Eldorado V8 8.2L, the 1977-1978 Eldorado V8 7.0L, the 1979-1980 Eldorado V8 5.7L and other vehicles
- Condition: New
Hard starting, rough running or uneven fuel economy can mean the regulator is worn, though the fuel pump or a clogged fuel filter can be behind them too.
Fits
The 1975-1976 Cadillac Eldorado V8 8.2L, the 1977-1978 Eldorado V8 7.0L and the 1979-1980 Eldorado V8 5.7L all fit this regulator, along with the 1976-1980 Cadillac Seville V8 5.7L, the 1975-1976 Cadillac Commercial Chassis V8 8.2L, the 1977-1979 Commercial Chassis V8 7.0L and more. Each takes one, and this listing is one regulator. Its design follows the fuel system requirements of GM engines.
Specifications
- Quantity per vehicle: 1
- System type: Gas
- Condition: New
- Country of origin: Mexico
Interchange: 2-1794 · 800-135
21721 · 0280160207 · PRDL135 · 1612150 · 1646763
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
21721, 0280160207, PRDL135, 2-1794, 1612150, 1646763, 800-135
Frequently Asked Questions
Does the Standard Ignition PR23 fit the 1975-1976 Cadillac Eldorado V8 8.2L?
Yes, Standard Ignition PR23 fits the 1975-1976 Cadillac Eldorado V8 8.2L and the 1976-1980 Cadillac Seville V8 5.7L, and the "Vehicles it fits" section shows whether your own car is covered too.
Is the Standard Ignition fuel injection pressure regulator tested for heat and vibration?
Yes. This regulator's validation includes 200+ hours of vibration testing, 1000+ hours of extreme heat and cold operational testing and on-vehicle testing.
Which driving symptoms can point to a worn fuel injection pressure regulator?
A fuel smell or hesitation when you accelerate can mean the regulator is worn. Fuel pressure testing is a job for a shop.
Is the PR23 regulator made for a gas fuel system?
Yes. The system type for Standard Ignition PR23 fuel injection pressure regulator is Gas.
Does the PR23 interchange with part number 800-135?
Yes. The number 800-135 is one of the other numbers Standard Ignition PR23 replaces, and it is printed on the Interchange line of this page.
