HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsDelphi FP10553 Fuel Injection Pressure Regulator
Part #: FP10553

Delphi FP10553 Fuel Injection Pressure Regulator

3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Kia, Sephia
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Delphi Fuel Injection Pressure Regulator Overview

The Delphi FP10553 fuel injection pressure regulator is designed specifically for Kia Sephia models, ensuring precise fuel pressure control for optimal engine performance. Constructed from durable metal, this regulator maintains consistent system pressure to support efficient fuel delivery.

  • Durable metal construction for long-lasting performance
  • Compatible with Kia Sephia fuel injection systems
  • Non-adjustable design for reliable factory-spec pressure regulation
  • Push-in inlet type with 0.43 inch (11.0 mm) diameter
  • Hose outlet type with 0.31 inch (8.0 mm) diameter
  • Single inlet and outlet ports for straightforward installation
  • Bolt mounting type for secure attachment
  • Maintains system pressure at 44 psi

Detailed Product Description

The Delphi FP10553 fuel injection pressure regulator is engineered to maintain a steady fuel pressure of 44 psi within the fuel injection system of Kia Sephia vehicles. Its metal body provides durability and resistance to wear, while the push-in inlet and hose outlet ports ensure compatibility with standard fuel lines. The inlet port diameter measures 0.43 inches (11.0 mm), and the outlet port diameter is 0.31 inches (8.0 mm), designed to match OEM specifications. This non-adjustable regulator simplifies maintenance by delivering consistent pressure without the need for manual tuning. The bolt mounting type allows for secure and stable installation within the fuel system.

Common Applications and Issues Addressed

  • Regulates fuel pressure to prevent engine performance issues
  • Resolves fuel delivery inconsistencies in Kia Sephia models
  • Prevents fuel leaks caused by worn or damaged regulators
  • Helps avoid rough idling and poor acceleration due to pressure fluctuations
  • Supports proper fuel injection system operation for emissions control

Installation Notes and Tips

  • Ensure compatibility with Kia Sephia fuel injection systems before installation
  • Use appropriate tools to remove the old regulator and install the Delphi FP10553 securely
  • Check inlet and outlet port diameters to confirm proper hose fitment
  • Tighten mounting bolts to manufacturer torque specifications to avoid leaks
  • Inspect fuel lines for wear or damage during installation and replace if necessary

Quality Assurance and Warranty

Delphi manufactures the FP10553 fuel injection pressure regulator to meet strict quality standards, ensuring reliable performance and durability. The metal construction and precise engineering contribute to consistent fuel pressure regulation. 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 for exact warranty terms.

BrandDelphi
Part NumberFP10553
AdjustableNo
Gauge PortNo
Inlet Port Diameter0.43
Inlet Port Diameter11.0
Inlet Quantity1
Inlet TypePush In
MaterialMetal
MaterialMetal
Mounting TypeBolt
Outlet Port Diameter0.31
Outlet Port Diameter8.0
Outlet Quantity1
Outlet TypeHose
System Pressure44

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
1997KiaSephiaN/A
1996KiaSephiaN/A
1995KiaSephiaN/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:

158-0717240465G1217800-451KB6CK-13-280MB6CK-13-280PR339PR4066

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