Delphi FP10374 Fuel Injection Pressure Regulator

Fuel Pressure Control for Select GM Applications

Delphi FP10374 is a fuel injection pressure regulator built with a metal body and a returnless outlet design for specific GM truck and SUV applications. It uses a push-in inlet, clamp mounting, and a single inlet and outlet layout for straightforward replacement service.

Key Features

• Metal construction for fuel system durability
• Returnless outlet type
• Push-in inlet connection
• Clamp mounting style
• No gauge port and non-adjustable design
• Inlet port diameter: 0.91 in. / 23.0 mm
• Fits 2002-2003 Chevrolet Silverado 1500, N/A
• Fits 2002-2003 Chevrolet Suburban 1500, N/A
• Fits 2002-2003 Chevrolet Tahoe, N/A
• Fits 2002-2003 GMC Sierra 1500, N/A
• Fits 2002-2003 GMC Yukon, N/A
• Fits 2002-2003 GMC Yukon XL 1500, N/A

Detailed Description

Delphi FP10374 fuel injection pressure regulator is engineered for select 2002-2003 Chevrolet Silverado 1500, Suburban 1500, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL 1500 applications. Delphi draws on OE experience and supplier knowledge from original equipment development, and that background is reflected in the fit, materials, and connection style of this replacement part. This part cross-references Gates 24011 for the same application.

Common Replacement Reasons

• Fuel pressure that is too high or too low
• Hard starting or extended crank time
• Rough idle or hesitation under load
• Fuel odor or pressure-related drivability concerns
• Service replacement for a worn returnless regulator

Installation Notes and Tips

Verify the vehicle’s fuel system configuration before installation and match the push-in inlet, returnless outlet, and clamp-mount design to the original part. Confirm the inlet port diameter and mounting location on the vehicle before service. After installation, check for proper fuel pressure and inspect all connections for leaks.

Quality Assurance

Delphi builds this regulator with OE heritage and application knowledge developed through long-term original equipment supply experience. That background supports consistent fitment and dependable fuel system service for the listed Chevrolet and GMC applications.