HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsDelphi FP10551 Fuel Injection Pressure Regulator
Part #: FP10551

Delphi FP10551 Fuel Injection Pressure Regulator

34 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Hyundai, Kia, Mitsubishi, Dodge, and Chrysler, Santa Fe, Amanti, XG350, Diamante, XG300, Avenger, and Sebring
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Delphi Fuel Injection Pressure Regulator Overview

The Delphi FP10551 Fuel Injection Pressure Regulator is designed to maintain consistent fuel pressure in the fuel injection system of select Chrysler, Dodge, Hyundai, Kia, and Mitsubishi vehicles. Engineered with durable metal construction, this regulator ensures reliable performance for models such as the Chrysler Sebring, Dodge Avenger, Hyundai Santa Fe, Kia Amanti, and Mitsubishi Diamante.

  • Durable metal material for long-lasting use
  • Non-adjustable design for precise factory-set pressure
  • Push-in inlet type with a 0.63 inch (16.0 mm) diameter
  • Hose outlet type with 0.24 inch (6.0 mm) diameter
  • Single inlet and outlet ports for straightforward installation
  • Bolt mounting type for secure attachment
  • System pressure rating of 51 psi

Technical Details and Specifications

The FP10551 fuel injection pressure regulator is constructed entirely from metal, providing durability and resistance to wear in demanding engine environments. It features a push-in inlet port with a diameter of 0.63 inches (16.0 mm) and a hose outlet port measuring 0.24 inches (6.0 mm). The regulator is designed with one inlet and one outlet port, simplifying fuel line connections. Its bolt mounting type ensures a secure fit within the fuel injection system. This regulator is non-adjustable, maintaining a consistent system pressure of 51 psi to support optimal fuel delivery and engine performance.

Compatible Vehicles and Applications

This Delphi FP10551 fuel injection pressure regulator is compatible with a range of vehicles, including Chrysler Sebring, Dodge Avenger, Hyundai Santa Fe, Kia Amanti, and Mitsubishi Diamante models. It is specifically designed to meet the fuel system requirements of these vehicles, ensuring proper fuel pressure regulation and engine efficiency.

Common Issues Addressed by the FP10551 Regulator

  • Fuel pressure fluctuations causing engine performance problems
  • Hard starting or stalling due to inconsistent fuel delivery
  • Fuel leaks or pressure loss from worn or damaged regulators
  • Reduced fuel efficiency linked to improper fuel pressure
  • Check engine light triggered by fuel system faults

Installation Notes and Tips

Installation of the Delphi FP10551 requires basic mechanical skills and appropriate tools. Ensure the engine is cool and the fuel system is depressurized before beginning. The bolt mounting type allows for a secure fit; verify that the push-in inlet and hose outlet connections are properly seated to prevent leaks. Replace any worn fuel lines or clamps during installation to maintain system integrity. Consult the vehicle’s service manual for specific torque specifications and safety precautions.

Quality Assurance and Warranty

Delphi manufactures the FP10551 fuel injection pressure regulator to meet strict quality standards, using metal materials for durability and consistent performance. While specific warranty details may vary, Delphi products typically come with a limited warranty covering defects in materials and workmanship. Refer to Delphi’s official documentation or authorized distributors for exact warranty terms.

BrandDelphi
Part NumberFP10551
AdjustableNo
Gauge PortNo
Inlet Port Diameter0.63
Inlet Port Diameter16.0
Inlet Quantity1
Inlet TypePush In
MaterialMetal
MaterialMetal
Mounting TypeBolt
Outlet Port Diameter0.24
Outlet Port Diameter6.0
Outlet Quantity1
Outlet TypeHose
System Pressure51

This part fits 34 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2006HyundaiSanta FeN/A
2006KiaAmantiN/A
2005HyundaiSanta FeN/A
2005HyundaiXG350N/A
2005KiaAmantiN/A
2004HyundaiSanta FeN/A
2004HyundaiXG350N/A
2004KiaAmantiN/A
2004MitsubishiDiamanteVR-XN/A
2004MitsubishiDiamanteLSN/A
2004MitsubishiDiamanteESN/A
2003HyundaiSanta FeN/A
2003HyundaiXG350N/A
2003MitsubishiDiamanteVR-XN/A
2003MitsubishiDiamanteLSN/A
2003MitsubishiDiamanteESN/A
2002HyundaiXG350N/A
2002MitsubishiDiamanteVR-XN/A
2002MitsubishiDiamanteLSN/A
2002MitsubishiDiamanteESN/A
2001HyundaiXG300N/A
2001MitsubishiDiamanteLSN/A
2001MitsubishiDiamanteESN/A
2000MitsubishiDiamanteLSN/A
2000MitsubishiDiamanteESN/A
1999MitsubishiDiamanteBaseN/A
1998MitsubishiDiamanteLSN/A
1998MitsubishiDiamanteESN/A
1997MitsubishiDiamanteLSN/A
1997MitsubishiDiamanteESN/A
1996DodgeAvengerESN/A
1995ChryslerSebringLXiN/A
1995ChryslerSebringLXN/A
1995DodgeAvengerESN/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:

158-071523019240002410735301-390105G1191MD301409MD306959MD319789PR4156

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