Standard Ignition PR149 Fuel Injection Pressure Regulator

Brand Standard Ignition PR149
Automotive Performance Item No
Contents Diaphragm, 2 Bolts, 4 Gaskets, & 2 Seals
Fuel Type Gas
Functions Diaphragm
Hardware Included Yes
Mounting Type Direct
Part Finish Paint-To-Match
Regulator Finish Red
Regulator Material Rubber
Fits Chevrolet, GMC, and Pontiac · 10 vehicles

Direct-fit replacement. Engineered for proper fuel delivery and a precise fit.

Leak-resistant design. Built for greater resistance to leakage.

Includes hardware. Comes with bolts, gaskets, and seals for installation.

Cross-references Delphi FP10730, Gates 21734 and 2-1734 for the same application. See all 9.

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Fuel Injection Pressure Regulator Diaphragm Kit

Standard Ignition PR149 is a fuel injection pressure regulator diaphragm kit for gas applications. It is built for direct mounting and application-specific fitment, with a rubber regulator material and a paint-to-match finish for service replacement use on select Chevrolet, GMC, and Pontiac vehicles.

Key Features

  • Fuel injection pressure regulator diaphragm kit for gas fuel systems
  • Direct mount design for application-specific fitment
  • Rubber regulator material with red finish
  • Includes diaphragm, gaskets, seals, and mounting bolts
  • Engineered to address leakage concerns in pressure regulator service
  • Standard Ignition PR149 replacement part number

Detailed Description

Standard Ignition PR149 is a precision-engineered fuel injection pressure regulator diaphragm kit designed to restore proper fuel delivery and engine performance in select GM applications. It is compatible with 1986 Chevrolet S10, 1986 Chevrolet S10 Blazer, 1986 GMC S15, 1986 GMC S15 Jimmy, 1984 Chevrolet Corvette, 1982 Chevrolet Corvette, 1982-1983 Chevrolet Camaro, and 1982-1983 Pontiac Firebird. This PR149 kit is built for direct installation and is intended to replace worn diaphragm components that can affect fuel pressure control.

This part cross-references Delphi FP10730 and Gates 21734 for the same application.

Common Repair Uses

  • Fuel pressure irregularities caused by a worn regulator diaphragm
  • Fuel leakage at the pressure regulator assembly
  • Rough idle or drivability issues related to unstable fuel delivery
  • Hard starting conditions tied to pressure regulation problems
  • Service replacement on GM fuel injection systems in Corvette, Camaro, Firebird, S10, and S15 models

Installation Notes and Tips

Install PR149 on the original application-specific fuel injection pressure regulator assembly using the correct direct-mount procedure. Inspect the regulator housing, sealing surfaces, and related components before assembly, and replace any damaged gaskets or seals during service. Verify fuel system pressure after installation to confirm proper operation on Chevrolet Corvette, Camaro, Firebird, S10, and GMC S15 applications.

Quality Assurance

Standard Ignition designs this regulator kit with a robust construction approach to improve resistance to leakage and to address common failure points found in original equipment parts. PR149 is built as a service replacement for select GM fuel injection systems where accurate pressure control is required.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1986ChevroletS102.5LL4N/AFuel Injection Pressure Regulator diaphragm kit.
1986ChevroletS10 Blazer2.5LL4N/AFuel Injection Pressure Regulator diaphragm kit.
1986GMCS152.5LL4N/AFuel Injection Pressure Regulator diaphragm kit.
1986GMCS15 Jimmy2.5LL4N/AFuel Injection Pressure Regulator diaphragm kit.
1984ChevroletCorvette5.7LV8N/AFuel Injection Pressure Regulator diaphragm kit.
1983ChevroletCamaro5.0LV8N/A
1983PontiacFirebird5.0LV8N/A
1982ChevroletCamaro5.0LV8N/A
1982ChevroletCorvette5.7LV8N/AFuel Injection Pressure Regulator diaphragm kit.
1982PontiacFirebird5.0LV8N/A
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Delphi — FP10730Gates — 217342-17343G1098143-444217-2058800-26117066570PRD1