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Delphi FP10555 Fuel Injection Pressure Regulator
| Brand | Delphi FP10555 |
|---|---|
| Adjustable | No |
| Gauge Port | No |
| Inlet Port Diameter | 0.55 |
| Inlet Port Diameter | 14.0 |
| Inlet Quantity | 1 |
| Inlet Type | Threaded |
| Material | Metal |
| Material | Metal |
| Mounting Type | Clamp |
| Outlet Port Diameter | 0.31 |
| Outlet Port Diameter | 8.0 |
| Outlet Quantity | 1 |
| Outlet Type | Push In |
| System Pressure | 44 |
| Fits | Saab and Porsche · 8 vehicles |
OE heritage. Built from a century of OE experience and knowledge.
Metal construction. Durable fuel injection pressure regulator with threaded inlet and push-in outlet.
Clamp mount. Simple installation with one inlet and one outlet port.
Cross-references Beck/Arnley 158-0163, Dorman - OE Solutions 800-409 and Gates 21717 for the same application. See all 17.
Fuel Pressure Control for OE Applications
The Delphi FP10555 fuel injection pressure regulator is built for precise fuel system control in select Saab and Porsche applications. It uses a metal body, threaded inlet, push-in outlet, and clamp mounting style to match the original-style layout on covered vehicles.
Compatible with 1985 Porsche 944 Early, 1986-1990 Saab 900, and 1988-1989 Saab 9000, this regulator is specified for a 44 psi system pressure and is a direct-fit service part for the listed applications.
Key Features
- Delphi FP10555 fuel injection pressure regulator
- Metal construction for fuel system durability
- Threaded inlet and push-in outlet connection design
- Clamp-mounted configuration
- Fixed-pressure design with 44 psi system pressure
- No gauge port and no adjustment provision
Detailed Description
Delphi brings OE heritage into the aftermarket with fuel system components informed by more than a century of original equipment experience. The FP10555 is engineered as a fuel injection pressure regulator for vehicles that require a 44 psi fuel pressure specification, helping maintain consistent fuel delivery across the covered applications. This part number is commonly searched for Saab 900 fuel pressure regulator replacement, Saab 9000 fuel injection pressure regulator service, and Porsche 944 Early fuel system repair.
This part cross-references Beck/Arnley 158-0163 and Dorman - OE Solutions 800-409 for the same application. The Delphi FP10555 is also referenced by part number FP10555 in catalog searches for OE-style fuel pressure regulator replacement.
Common Issues This Part May Address
- Fuel pressure that is outside the specified 44 psi range
- Hard starting caused by unstable fuel delivery
- Rough idle related to inconsistent injector pressure
- Fuel mixture problems tied to regulator wear
- Fuel system drivability concerns on listed Saab and Porsche models
Installation Notes and Tips
Verify inlet and outlet connection style before installation: this regulator uses a threaded inlet, push-in outlet, and clamp mounting arrangement. Confirm the vehicle’s fuel system specification matches the 44 psi rating and compare the original regulator layout on the application before replacement. For best results, inspect adjacent fuel lines and seals during service.
Quality Assurance
Delphi builds this regulator using OE-focused engineering and manufacturing knowledge developed through long-term supplier experience with major automakers. The FP10555 is a metal fuel injection pressure regulator made to support the original-style fuel system requirements of the listed vehicles.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 1990 | Saab | 900 | — | N/A | — |
| 1989 | Saab | 900 | — | N/A | — |
| 1989 | Saab | 9000 | — | N/A | — |
| 1988 | Saab | 900 | — | N/A | — |
| 1988 | Saab | 9000 | S | N/A | — |
| 1987 | Saab | 900 | — | N/A | — |
| 1986 | Saab | 900 | S | N/A | — |
| 1985 | Porsche | 944 | — | N/A | Early |
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