Standard Ignition PR639 Fuel Injection Pressure Regulator

Brand Standard Ignition PR639
Adjustable No
Automotive Performance Item Yes
Inlet Quantity 1
New or Reman New
Number of outlets 1
Part Finish Black
Reference Port Included No
Regulator Finish Silver
Regulator Material Rubber
System Type Gas
Fits Acura · 5 vehicles

New replacement part. For gas fuel injection systems.

Rubber construction. Provides a flexible regulator body with a silver finish.

Single-inlet design. Built with one outlet for straightforward fuel routing.

Cross-references Dorman - HELP 68150, Standard Ignition PR639 and 2-39628 for the same application. See all 4.

$132.65Free shipping
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Fuel Pressure Control for Acura RDX

Standard Ignition PR639 is a new fuel injection pressure regulator for gas systems, built for 2019-2023 Acura RDX applications. It is a non-adjustable regulator with one inlet and one outlet, finished in black with a silver regulator body and rubber construction.

Key Features

  • Fits 2019-2023 Acura RDX, N/A
  • Standard Ignition PR639 fuel injection pressure regulator
  • New, non-adjustable design for gas fuel systems
  • 1 inlet and 1 outlet configuration
  • Black finish with silver regulator finish
  • Rubber regulator material
  • Automotive performance item

Detailed Description

The Standard Ignition PR639 is a fuel injection pressure regulator for gas-powered fuel delivery systems. It is specified for 2019-2023 Acura RDX models and uses a single-inlet, single-outlet layout to regulate fuel pressure within the injection system. If you are replacing a worn Acura RDX fuel pressure regulator, PR639 provides a direct-fit service part reference for the listed model years.

This part cross-references Dorman - HELP 68150 for the same application. Standard Ignition PR639 is also referenced by OE-style interchange numbers 2-39628 and 17052TJBA00.

Common Issues It May Address

  • Fuel pressure that is too high or too low
  • Hard starting related to unstable fuel delivery
  • Rough idle caused by inconsistent injector pressure
  • Fuel system performance concerns on a 2019-2023 Acura RDX
  • Replacement of a worn or failed fuel injection pressure regulator

Installation Notes and Tips

Verify the fuel system layout and part number before installation on your Acura RDX. Confirm the regulator orientation, inlet and outlet routing, and system type match the vehicle application. Because this is a gas-system component, follow proper fuel system safety procedures and relieve pressure before service.

Quality Assurance

Standard Ignition supplies this PR639 regulator as a new replacement part for fuel injection service applications. Its listed construction and application data support accurate catalog matching for 2019-2023 Acura RDX fitment.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelNotes
2023AcuraRDX
2022AcuraRDX
2021AcuraRDX
2020AcuraRDX
2019AcuraRDX
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - HELP — 68150Standard Ignition — PR6392-3962817052TJBA00