Standard Ignition PR123 Fuel Injection Pressure Regulator

Brand Standard Ignition PR123
Fuel Type Gas
Fits Isuzu · 7 vehicles

Fuel injection pressure regulator. Maintains steady fuel pressure for consistent injection performance.

Gas system type. Built for gasoline fuel injection applications.

Cross-references Dorman - OE Solutions 800-235, Gates 21714 and Standard Ignition PR123 for the same application. See all 6.

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Fuel Pressure Control for Gas Systems

Standard Ignition PR123 is a fuel injection pressure regulator for gas applications. It is built for 1983-1989 Isuzu Impulse models and helps maintain consistent fuel pressure in the injection system for stable engine operation.

Key Features

  • Fuel injection pressure regulator for gas systems
  • Direct fit for 1983-1989 Isuzu Impulse applications
  • Supports consistent fuel delivery at the regulator level
  • Standard Ignition PR123 replacement part number
  • Cross-references Dorman - OE Solutions 800-235 and Gates 21714 for the same application

Detailed Description

Standard Ignition PR123 is a fuel injection pressure regulator used in gas fuel systems to help control fuel pressure within the injection circuit. For 1983-1989 Isuzu Impulse vehicles, this regulator is a practical replacement when the original unit is no longer maintaining proper pressure. If you are searching for an Isuzu Impulse fuel injection pressure regulator or a Standard Ignition PR123 replacement, this part matches the listed application.

Common Issues It Can Address

  • Fuel pressure that is too high or too low
  • Rough idle caused by inconsistent fuel delivery
  • Hard starting related to pressure regulation problems
  • Fuel mixture concerns tied to regulator wear
  • Driveability issues on 1983-1989 Isuzu Impulse models

Installation Notes and Tips

Verify the vehicle application before installation and confirm the fuel system is gas. Inspect related fuel lines and seals during replacement, and follow the vehicle service procedure for pressure relief and system checks. For fitment searches, this part fits 1983-1989 Isuzu Impulse, N/A.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for ignition and fuel system components. PR123 is listed with direct interchange references for the same application, including Dorman - OE Solutions 800-235 and Gates 21714.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1989IsuzuImpulseN/A
1988IsuzuImpulseN/A
1987IsuzuImpulse1.9LL4N/A
1986IsuzuImpulse1.9LL4N/A
1985IsuzuImpulse1.9LL4N/A
1984IsuzuImpulseN/A
1983IsuzuImpulseN/A
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - OE Solutions — 800-235Gates — 21714Standard Ignition — PR1232-17788942058580PRDL235