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Standard Ignition PR468 Fuel Injection Pressure Regulator
| Brand | Standard Ignition PR468 |
|---|---|
| Adjustable | Yes |
| Contents | Includes Caution Sheet |
| Fuel Type | Gas |
| Functions | Regulator |
| New or Reman | New |
| Nipple Orientation | Straight |
| Notes | Includes O-Ring |
| Number of outlets | 1 |
| Reference Port Included | No |
| Type | Returnless |
| Fits | Mazda · 5 vehicles |
Adjustable regulator. Lets you fine-tune fuel pressure for precise system control.
Returnless design. Simplifies fuel delivery with a modern, streamlined setup.
Includes O-ring. Comes with the seal needed for a cleaner, more secure install.
Cross-references Dorman - OE Solutions 800-580, Gates 24176 and Standard Ignition PR468 for the same application. See all 5.
Fuel Pressure Control for Mazda CX-9
Standard Ignition PR468 is a new, adjustable fuel injection pressure regulator for gas returnless systems. It is listed for 2007-2011 Mazda CX-9 applications and includes an O-ring and caution sheet for service reference.
Key Features
- Adjustable fuel injection pressure regulator
- Returnless fuel system design for gas applications
- Straight nipple orientation with 1 inlet and 1 outlet
- New replacement part with included O-ring
- Includes caution sheet for handling and installation guidance
- Fits 2007-2011 Mazda CX-9
Detailed Description
Standard Ignition PR468 is built for fuel injection systems that use a returnless layout, where pressure regulation is handled at the regulator rather than through a return line. The adjustable design allows the regulator to be set to the required fuel pressure for the application, while the straight nipple orientation supports a direct hose connection. This part cross-references Dorman OE Solutions 800-580 for the same application. For Mazda CX-9 owners servicing a fuel delivery concern, PR468 provides a direct replacement option for 2007-2011 models.
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 problems in a returnless setup
- Fuel trim issues tied to regulator malfunction
Installation Notes and Tips
Verify the vehicle uses a gas returnless fuel system before installation. Confirm hose routing, inlet and outlet orientation, and regulator adjustment settings against the service specification for the Mazda CX-9. Replace the O-ring during installation and inspect the sealing surfaces for wear or contamination. Follow the caution sheet included with the part and check for leaks after startup.
Quality Assurance
Standard Ignition supplies replacement ignition and fuel system components for service applications, and PR468 is a new part built for direct-fit use in the listed Mazda CX-9 model years.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Mazda | CX-9 | N/A | — |
| 2010 | Mazda | CX-9 | N/A | — |
| 2009 | Mazda | CX-9 | N/A | — |
| 2008 | Mazda | CX-9 | N/A | — |
| 2007 | Mazda | CX-9 | N/A | — |
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