Dorman 904-7928 Fuel Injection Pressure Regulator

Brand Dorman 904-7928
Material Metal
Material Rubber
Maximum Pressure Reading 45
Outlet Port Diameter 0.44
Mounting Hardware Included No
Adjustable No
Inlet Port Diameter 0.62
Inlet Type Non-flanged
Outlet Type Non-flanged
Inlet Quantity 1
Outlet Quantity 2
Port Quantity 4
Mounting Type Bolt on
Gauge Port No
Adjustable Fuel Pressure No
Boost / Vacuum Reference Port No
Compatible Fuel System Style Return
Inlet Attachment Type Threaded
Installation Hardware Included No
Item Grade Standard replacement
Outlet Attachment Type Bolt on
Package Contents 1 fuel pressure regulator
Pressure Range Stock
Fits

OE direct replacement. Matches original equipment fit and function for straightforward installation.

Metal and rubber construction. Built with quality materials for durability and long service life.

Standard replacement. Bolt-on fuel pressure regulator for return-style fuel systems.

Cross-references 21243502 for the same application. See all 1.

$207.71Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 904-7928 Fuel Pressure Regulator

Dorman 904-7928 is a standard replacement fuel injection pressure regulator built to match the fit and function of the original equipment part on specified vehicles. It uses metal and rubber construction for durability and consistent fuel system control on return-style applications.

Key Features

  • OE-style replacement fuel injection pressure regulator for specified applications
  • Return fuel system design with threaded inlet attachment
  • Bolt-on mounting type for direct replacement service
  • Non-flanged inlet and outlet ports with 4 total ports
  • Maximum pressure reading of 45
  • Standard replacement part for fuel pressure regulation service
  • Part number 904-7928 for catalog and service reference

Detailed Description

This fuel pressure regulator is engineered for vehicles that use a return-style fuel system and a stock pressure range. It features one inlet, two outlets, and a non-adjustable design, helping maintain the factory fuel pressure profile required for proper injector operation. For technicians and DIY repairs on applications such as Honda Civic and other specified vehicles, Dorman 904-7928 provides a direct-fit replacement path without requiring custom setup. The part number 904-7928 is also cross-referenced to 21243502 for the same application.

What It Helps Solve

  • Fuel pressure that is too high or too low for the factory system
  • Hard starting caused by unstable fuel delivery
  • Rough idle related to inconsistent rail pressure
  • Fuel odor or drivability issues tied to regulator wear
  • Replacement needs for a worn OE fuel pressure regulator

Installation Notes and Tips

Verify the vehicle uses a return-style fuel system before ordering. Confirm inlet and outlet port style, mounting type, and pressure specifications against the original regulator. Because mounting hardware is not included, reuse or source the correct hardware as needed during installation. Always inspect fuel lines, seals, and surrounding components for wear before completing the repair.

Quality Assurance

Dorman designs this regulator to match original equipment fit and function and manufactures it from quality materials for long service life. Part number 904-7928 is built as a standard replacement fuel injection pressure regulator for specified vehicle applications.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
21243502