HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsDelphi FP10387 Fuel Injection Pressure Regulator
Part #: FP10387

Delphi FP10387 Fuel Injection Pressure Regulator

6 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and Pontiac, Cavalier and Sunfire
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Delphi Fuel Injection Pressure Regulator Overview

The Delphi FP10387 fuel injection pressure regulator is designed for precise fuel pressure control in select Chevrolet and Pontiac vehicles. Engineered with durable metal construction, this regulator ensures consistent fuel delivery for optimal engine performance in the Chevrolet Cavalier and Pontiac Sunfire.

  • Durable metal material for long-lasting performance
  • Inlet port diameter: 0.67 inches (17.0 mm) with push-in type connection
  • Outlet port diameter: 0.79 inches (20.0 mm) with threaded outlet
  • Single inlet and outlet ports for streamlined fuel flow
  • Bolt mounting type for secure installation
  • Non-adjustable design for factory-spec fuel pressure regulation

Technical Details and Specifications

The FP10387 fuel injection pressure regulator by Delphi is constructed entirely of metal, providing strength and resistance to wear under high-pressure fuel system conditions. It features a push-in inlet port with a diameter of 0.67 inches (17.0 mm) and a threaded outlet port measuring 0.79 inches (20.0 mm). The regulator includes one inlet and one outlet port, facilitating straightforward integration into the fuel injection system. Its bolt mounting type ensures a secure and stable fitment within the engine bay. This part is non-adjustable, maintaining consistent fuel pressure as specified by the original equipment manufacturer.

Compatible Vehicles and Applications

This fuel injection pressure regulator is compatible with the Chevrolet Cavalier and Pontiac Sunfire models. It is specifically designed to meet the fuel system requirements of these vehicles, ensuring proper fuel pressure regulation and engine efficiency. The part number FP10387 corresponds directly to this application, making it a reliable replacement component for maintaining fuel system integrity.

Common Issues Addressed by the FP10387 Regulator

  • Irregular fuel pressure causing engine performance problems
  • Fuel leaks due to worn or damaged pressure regulators
  • Engine stalling or hesitation related to fuel delivery inconsistencies
  • Reduced fuel efficiency from improper fuel pressure control
  • Check engine light triggered by fuel system faults

Installation Notes and Tips

When installing the Delphi FP10387 fuel injection pressure regulator, ensure the engine is cool and the fuel system is depressurized to prevent fuel spray. The bolt mounting type requires proper torque to secure the regulator without damaging the mounting surface. Verify that the push-in inlet and threaded outlet connections are clean and free of debris before installation. Use appropriate fuel line fittings compatible with the specified port diameters to ensure leak-free connections. It is recommended to inspect related fuel system components during installation for overall system reliability.

Quality Assurance and Warranty

Delphi manufactures the FP10387 fuel injection pressure regulator to meet stringent quality standards, using metal materials for durability and consistent performance. While specific warranty details may vary, Delphi parts typically come with a limited warranty covering defects in materials and workmanship. This ensures confidence in the part’s reliability when installed in compatible Chevrolet Cavalier and Pontiac Sunfire vehicles.

BrandDelphi
Part NumberFP10387
AdjustableNo
Gauge PortNo
Inlet Port Diameter0.67
Inlet Port Diameter17.0
Inlet Quantity1
Inlet TypePush In
MaterialMetal
MaterialMetal
Mounting TypeBolt
Outlet Port Diameter0.79
Outlet Port Diameter20.0
Outlet Quantity1
Outlet TypeThreaded

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
2005ChevroletCavalierN/A
2005PontiacSunfireN/A
2004ChevroletCavalierN/A
2004PontiacSunfireN/A
2003ChevroletCavalierN/A
2003PontiacSunfireN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

12574339240105G1458800-398PR286PR4229

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.