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Delphi FP10458 Fuel Injection Pressure Regulator
| Brand | Delphi FP10458 |
|---|---|
| Adjustable | No |
| Gauge Port | No |
| Inlet Port Diameter | 0.43 |
| Inlet Port Diameter | 11.0 |
| Inlet Quantity | 1 |
| Inlet Type | Push In |
| Material | Metal |
| Material | Metal |
| Mounting Type | Bolt |
| Outlet Port Diameter | 0.31 |
| Outlet Port Diameter | 8.0 |
| Outlet Quantity | 1 |
| Outlet Type | Hose |
| System Pressure | 44 |
| Fits | Subaru and Saab · 12 vehicles |
OE heritage. Built with a century of original-equipment experience.
Metal construction. Durable regulator body for dependable fuel system control.
Bolt mount. Simple installation with push-in inlet and hose outlet connections.
Cross-references Beck/Arnley 158-1536, DNJ PR455 and Dorman - OE Solutions 800-567 for the same application. See all 16.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Fuel Pressure Control for Subaru and Saab
Delphi FP10458 is a fuel injection pressure regulator built for precise fuel system control in select Subaru and Saab applications. It uses a metal body, a bolt-on mounting design, and OE-focused engineering drawn from Delphi’s long history supplying original equipment to major automakers.
- Fuel injection pressure regulator for air and fuel delivery systems
- Metal construction for fuel system durability
- Push-in inlet with hose outlet for the specified application
- Non-adjustable design with a 44 system pressure rating
- One inlet port and one outlet port
- Fits 2006-2009 Subaru Forester, N/A
- Fits 2002-2007 Subaru Impreza, N/A
- Fits 2005-2006 Saab 9-2X, N/A
Detailed Product Overview
The Delphi FP10458 fuel injection pressure regulator helps maintain consistent fuel pressure at the rail or delivery point, supporting stable injector operation and proper fuel metering. With a 0.43 in. (11.0 mm) inlet port diameter, 0.31 in. (8.0 mm) outlet port diameter, push-in inlet type, hose outlet type, and bolt mounting, this regulator is built around the factory-style configuration used in the listed Subaru Forester, Subaru Impreza, and Saab 9-2X applications. This part cross-references Dorman - OE Solutions 800-567 and Gates 24163 for the same application.
Common Problems This Part Addresses
- Fuel pressure that is too high or too low
- Rough idle caused by inconsistent fuel delivery
- Hard starting related to pressure regulation issues
- Fuel trim problems from unstable injector supply pressure
- Driveability concerns in Subaru Forester, Subaru Impreza, and Saab 9-2X fuel systems
Installation Notes and Tips
Confirm the inlet and outlet port sizes, mounting style, and system pressure before installation. Match the regulator to the vehicle’s fuel system layout and verify the push-in inlet and hose outlet connections seat correctly. For best results, inspect nearby fuel lines and seals during replacement and follow the vehicle service procedure for pressure verification after installation.
Quality Assurance
Delphi builds this regulator with OE heritage and application knowledge developed through more than a century of original equipment experience. That background supports consistent fit and function for the specified fuel injection system applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Subaru | Forester | N/A | — |
| 2008 | Subaru | Forester | N/A | — |
| 2007 | Subaru | Forester | N/A | — |
| 2007 | Subaru | Impreza | N/A | — |
| 2006 | Saab | 9-2X | N/A | — |
| 2006 | Subaru | Forester | N/A | — |
| 2006 | Subaru | Impreza | N/A | — |
| 2005 | Saab | 9-2X | N/A | — |
| 2005 | Subaru | Impreza | N/A | — |
| 2004 | Subaru | Impreza | N/A | — |
| 2003 | Subaru | Impreza | N/A | — |
| 2002 | Subaru | Impreza | N/A | — |
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