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Standard Ignition PR639 Fuel Injection Pressure Regulator
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.
| Brand | Standard Ignition |
|---|---|
| Part Number | 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 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2023 | Acura | RDX | N/A | |
| 2022 | Acura | RDX | N/A | |
| 2021 | Acura | RDX | N/A | |
| 2020 | Acura | RDX | N/A | |
| 2019 | Acura | RDX | N/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.