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Delphi FP10463 Fuel Injection Pressure Regulator
| Brand | Delphi FP10463 |
|---|---|
| Material | Metal |
| Outlet Port Diameter | 0.31 |
| Outlet Port Diameter | 8.0 |
| Adjustable | No |
| Inlet Port Diameter | 0.43 |
| Inlet Port Diameter | 11.0 |
| Inlet Type | Push in |
| Outlet Type | Hose |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| Mounting Type | Bolt |
| Gauge Port | No |
| Material | Metal |
| System Pressure | 44 |
| Fits | Mazda · 3 vehicles |
OE heritage. Built with 100 years of OE experience and knowledge.
Metal construction. Durable metal body for dependable fuel system performance.
Bolt mount. Push-in inlet and hose outlet for straightforward installation.
Cross-references AP Exhaust 24006, Standard Ignition PR255 and 5G1238 for the same application. See all 8.
Fuel Pressure Control for Mazda Protege
The Delphi FP10463 fuel injection pressure regulator is built for precise fuel system control in 1999-2001 Mazda Protege applications. It uses a metal body, a push-in inlet, and a hose outlet to support stable fuel pressure at 44 psi.
Delphi draws on OE heritage from supplying top automakers, and that experience is reflected in the design and materials used in this aftermarket fuel pressure regulator.
Key Features
- Direct-fit fuel injection pressure regulator for Mazda Protege fuel systems
- Metal construction for durable service in the engine bay
- Push-in inlet with 11.0 mm inlet port diameter
- Hose outlet with 8.0 mm outlet port diameter
- Fixed-pressure design with 44 psi system pressure
- Bolt-mounted layout for secure installation
- No gauge port and no adjustable setting
Detailed Description
Delphi FP10463 is a fuel injection pressure regulator designed for 1999-2001 Mazda Protege models. It regulates fuel delivery pressure in the injection system, helping maintain consistent fuel flow to the engine under changing operating conditions. The metal housing, single inlet and outlet configuration, and fixed 44 psi specification make it a straightforward replacement for the original-style part. This part number, FP10463, is also a useful reference when sourcing a Mazda Protege fuel pressure regulator by OE-style application.
This part cross-references Standard Ignition PR255 for the same application.
What It Helps Address
- Fuel pressure that is too high or too low
- Hard starting caused by unstable fuel delivery
- Rough idle related to inconsistent injector pressure
- Fuel smell or rich-running symptoms tied to regulator failure
- Loss of drivability from poor fuel pressure control
Installation Notes and Tips
Verify inlet and outlet port sizes, mounting style, and system pressure before installation. Confirm the push-in inlet and hose outlet match the original fuel line connections on the vehicle. For best results, inspect nearby fuel hoses and seals for wear before replacing the regulator. Fits 1999-2001 Mazda Protege, N/A.
Quality Assurance
Delphi builds aftermarket parts with OE experience and supplier knowledge developed through work with major automakers. FP10463 reflects that OE-based engineering approach for fuel system service on Mazda Protege applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2001 | Mazda | Protege | N/A | — |
| 2000 | Mazda | Protege | N/A | — |
| 1999 | Mazda | Protege | N/A | — |
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