Delphi FP10075 Fuel Injection Pressure Regulator

Fuel Pressure Control for OE-Style Repair

The Delphi FP10075 fuel injection pressure regulator is built for returnless fuel systems that need stable pressure control and consistent fuel delivery. With a metal body, push-in inlet, clamp mounting, and no gauge port, it matches the needs of many GM truck, SUV, and van applications from 1996-2005.

Delphi brings OE heritage into the aftermarket, drawing on decades of supplier experience with major automakers. This FP10075 regulator is a direct-fit style solution for service work on Chevrolet Astro, Silverado 1500, Tahoe, GMC Safari, Sierra 1500, and related applications.

Key Features

• Fuel injection pressure regulator for returnless fuel systems
• Metal construction for durable underhood service
• Push-in inlet with clamp mounting for OE-style installation
• 1 inlet and 1 outlet configuration
• No gauge port
• Non-adjustable design for factory-style pressure control
• Inlet port diameter: 0.98 in. / 25.0 mm

Application Details

Compatible With 1996-2005 Chevrolet Astro, 1996-2005 Chevrolet Blazer, 1999-2005 Chevrolet Silverado 1500, 1996-2005 GMC Safari, 1999-2005 GMC Sierra 1500, and other listed GM fuel injection applications. This part cross-references Standard Ignition PR122 and PR203 for the same application.

Part number FP10075 is also referenced in OE-style replacement searches for GM fuel system service, including Chevrolet S10, GMC Sonoma, and Chevrolet Tahoe applications.

What It Helps Address

• Fuel pressure that is too high or too low
• Hard starting caused by unstable fuel delivery
• Rough idle related to pressure regulation issues
• Fuel system performance problems on returnless setups
• Service replacement for worn or leaking regulators

Installation Notes

Verify inlet diameter, mounting style, and returnless fuel system layout before installation. The FP10075 uses a push-in inlet and clamp mount, so the existing fuel line and regulator location should match the OE configuration. Confirm vehicle-specific fitment for Chevrolet and GMC models before service.

Quality Assurance

Delphi builds aftermarket parts using OE experience and supplier knowledge developed over many years with top automakers. The FP10075 is engineered to reflect that OE-based approach for fuel system repair.