HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsDelphi FP10451 Fuel Injection Pressure Regulator
Part #: FP10451

Delphi FP10451 Fuel Injection Pressure Regulator

⚙️ 4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mitsubishi, Galant
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Reliable Fuel Injection Pressure Regulator for Mitsubishi Galant

The Delphi FP10451 fuel injection pressure regulator is designed to maintain consistent fuel pressure in your Mitsubishi Galant's fuel injection system. Crafted from durable metal, this non-adjustable regulator ensures stable fuel delivery for optimal engine performance.

Key Features of Delphi FP10451 Fuel Injection Pressure Regulator

  • Constructed from high-quality metal for durability and longevity
  • Designed with a push-in inlet port (0.63 inches / 16.0 mm diameter)
  • Equipped with a hose-type outlet port (0.35 inches / 9.0 mm diameter)
  • Single inlet and outlet ports for straightforward installation
  • Bolt mounting type for secure attachment
  • System pressure rating of 51 psi for consistent fuel regulation
  • Non-adjustable design for reliable factory-set pressure control

Detailed Description of the FP10451 Fuel Injection Pressure Regulator

The Delphi FP10451 fuel injection pressure regulator is engineered specifically for the Mitsubishi Galant, ensuring precise fuel pressure control within the vehicle's fuel injection system. Its metal construction provides resistance to wear and corrosion, supporting long-term functionality. The regulator features a push-in inlet port with a diameter of 0.63 inches (16.0 mm) and a hose-type outlet port measuring 0.35 inches (9.0 mm), facilitating compatibility with existing fuel lines. With a single inlet and outlet port, installation is straightforward, and the bolt mounting type secures the regulator firmly in place. The system pressure is set at 51 psi, matching the requirements of the Galant's fuel system to maintain optimal fuel flow and engine efficiency.

Common Applications and Issues Addressed

  • Maintains consistent fuel pressure for smooth engine operation in Mitsubishi Galant models
  • Prevents fuel pressure fluctuations that can cause poor engine performance
  • Helps resolve issues related to fuel injector malfunction due to incorrect pressure
  • Supports efficient fuel delivery to improve fuel economy
  • Reduces risk of engine stalling or hesitation caused by fuel pressure irregularities

Installation Notes and Tips

When installing the Delphi FP10451 fuel injection pressure regulator, ensure the bolt mounting points align correctly with the vehicle’s mounting bracket. Verify that the push-in inlet and hose-type outlet ports are securely connected to the corresponding fuel lines to prevent leaks. Since this regulator is non-adjustable, no pressure tuning is required after installation. It is recommended to inspect fuel lines and connectors for wear or damage during replacement to maintain system integrity.

Quality Assurance and Warranty Information

Delphi manufactures the FP10451 fuel injection pressure regulator to meet strict quality standards, ensuring reliable performance in Mitsubishi Galant vehicles. The metal construction and precise engineering contribute to its durability and consistent operation. Warranty details should be confirmed with the point of purchase or Delphi directly, as coverage may vary.

BrandDelphi
Part NumberFP10451
MaterialMetal
Outlet Port Diameter0.35
Outlet Port Diameter9.0
AdjustableNo
Inlet Port Diameter0.63
Inlet Port Diameter16.0
Inlet TypePush in
Outlet TypeHose
Inlet Quantity1
Outlet Quantity1
Mounting TypeBolt
Gauge PortNo
MaterialMetal
System Pressure51

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
1992MitsubishiGalantN/A
1991MitsubishiGalantN/A
1990MitsubishiGalantN/A
1989MitsubishiGalantN/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:

23018MD126263

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