Delphi FP10379 Fuel Injection Pressure Regulator

Brand Delphi FP10379
Adjustable No
Gauge Port No
Inlet Port Diameter 0.94
Inlet Port Diameter 24.0
Inlet Quantity 1
Inlet Type Push In
Material Metal
Material Metal
Mounting Type Clamp
Outlet Quantity 1
Outlet Type Returnless
Fits Cadillac · 2 vehicles

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

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

Clamp mount. Push-in inlet and returnless outlet for straightforward installation.

Cross-references Gates 24086, Standard Ignition PR154 and Standard Ignition PR378 for the same application. See all 7.

$42.12Free shipping
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Fuel Pressure Control for Cadillac CTS

The Delphi FP10379 fuel injection pressure regulator is built for returnless fuel systems and uses a metal body with a push-in inlet and clamp mounting. It is a direct-fit service part for 2003-2004 Cadillac CTS applications, helping maintain stable fuel pressure at the injector rail.

Key Features

  • Fuel injection pressure regulator for air and fuel delivery systems
  • Metal construction for durable underhood service
  • Returnless outlet type with one inlet and one outlet
  • Push-in inlet design with clamp mounting
  • No gauge port and non-adjustable design
  • Inlet port diameter: 0.94 in. / 24.0 mm

Detailed Description

Delphi FP10379 is engineered for 2003-2004 Cadillac CTS models that use a returnless fuel delivery setup. As a fuel injection pressure regulator, it helps control fuel pressure within the system so the engine receives the correct fuel supply during operation. Delphi draws on OE heritage and more than 100 years of original equipment experience, bringing factory-level knowledge to this aftermarket replacement. This part cross-references Standard Ignition PR154 and PR378 for the same application.

Common Issues This Part Can Address

  • Fuel pressure that is too high or too low
  • Hard starting related to unstable fuel delivery
  • Rough idle caused by inconsistent injector pressure
  • Fuel system performance problems in returnless setups
  • Driveability concerns tied to worn regulator components

Installation Notes and Tips

Verify the vehicle uses a returnless fuel system before ordering. Confirm the inlet port size, push-in connection, and clamp-style mounting match the original regulator on your Cadillac CTS. Always inspect surrounding fuel lines and seals during replacement, and relieve fuel system pressure before service.

Quality Assurance

Delphi builds this replacement part using OE-based engineering knowledge developed through long-term supplier experience with major automakers. The FP10379 is made to meet the demands of everyday fuel system service on 2003-2004 Cadillac CTS applications.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2004CadillacCTSN/A—
2003CadillacCTSN/A—
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Gates — 24086Standard Ignition — PR154Standard Ignition — PR3785G1403217-1509800-4909158978