Delphi FP10434 Fuel Injection Pressure Regulator

Brand Delphi FP10434
Adjustable No
Gauge Port No
Inlet Port Diameter 0.43
Inlet Port Diameter 11.0
Inlet Quantity 1
Inlet Type Push In
Material Metal
Material Metal
Mounting Type Bolt
Outlet Port Diameter 0.24
Outlet Port Diameter 6.0
Outlet Quantity 1
Outlet Type Hose
System Pressure 44
Fits Geo and Chevrolet · 4 vehicles

OE heritage. Built with 100 years of OE experience and knowledge.

Metal construction. Durable metal body for dependable fuel system performance.

Fuel pressure regulator. Helps maintain consistent system pressure at 44.

Cross-references Dorman - OE Solutions 800-195, Gates 21896 and Standard Ignition PR83 for the same application. See all 6.

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Fuel Pressure Control for OE-Style Performance

The Delphi FP10434 fuel injection pressure regulator is built for precise fuel system control in select compact GM applications. It is a metal, bolt-mounted regulator with a push-in inlet, hose outlet, and a fixed 44 system pressure rating for consistent fuel delivery.

Compatible with 1990-1992 Geo Prizm and 1988 Chevrolet Nova applications, the Delphi FP10434 supports accurate fuel pressure regulation for drivability-focused repairs. Delphi’s OE background brings production knowledge from decades of supplying automakers into this aftermarket replacement part.

Key Features

  • Fuel injection pressure regulator for air and fuel delivery systems
  • Metal construction for durable service in the fuel system
  • Fixed 44 system pressure specification
  • One push-in inlet and one hose outlet
  • Bolt-on mounting style for secure installation
  • No gauge port and non-adjustable design
  • Direct application coverage for Geo Prizm and Chevrolet Nova

Detailed Product Overview

The Delphi FP10434 is a fuel injection pressure regulator designed to maintain the correct fuel pressure at the rail or fuel delivery circuit. Its fixed-pressure design helps keep fuel delivery stable, which is important for starting, idle quality, and throttle response. This part number, FP10434, is listed for 1990-1992 Geo Prizm and 1988 Chevrolet Nova models, making it a focused replacement for specific OE-style applications. This part cross-references Dorman OE Solutions 800-195 for the same application.

Delphi builds aftermarket parts using OE heritage and manufacturing knowledge developed through long-term supplier relationships with major automakers. For buyers searching for a fuel injection pressure regulator for Geo Prizm or Chevrolet Nova, FP10434 provides a direct-fit service part with the specified inlet and outlet configuration.

Common Issues This Part May Address

  • Fuel pressure that is too high or too low
  • Hard starting caused by unstable fuel delivery
  • Rough idle related to inconsistent rail pressure
  • Poor throttle response from incorrect fuel regulation
  • Fuel system performance problems on aging OE components

Installation Notes and Tips

Verify inlet and outlet port sizes, mounting style, and system pressure before installation. The FP10434 uses a push-in inlet, hose outlet, and bolt mounting arrangement, so matching the existing fuel line and mounting points is important. Confirm vehicle application by year and model before ordering, especially for 1990-1992 Geo Prizm and 1988 Chevrolet Nova.

Quality Assurance

Delphi applies OE-based engineering and manufacturing experience to this replacement fuel pressure regulator. The FP10434 is built to meet the specified 44 system pressure requirement and to support dependable fuel system service in the listed applications.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1992GeoPrizmN/A—
1991GeoPrizmN/A—
1990GeoPrizmN/A—
1988ChevroletNovaN/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 — 800-195Gates — 21896Standard Ignition — PR83Standard Ignition — PR4795G106194845591