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Delphi FP10428 Fuel Injection Pressure Regulator
| Brand | Delphi FP10428 |
|---|---|
| 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 | 39 |
| Fits | Toyota · 4 vehicles |
OE heritage. Built with 100 years of OE experience from a supplier to top automakers.
Metal construction. Durable regulator body for dependable fuel system performance.
Bolt mounting. Push-in inlet and hose outlet for straightforward installation.
Cross-references Dorman - OE Solutions 800-143, Remy 21843 and Standard Ignition PR31 for the same application. See all 7.
Fuel Pressure Control for Toyota Previa
Delphi FP10428 is a fuel injection pressure regulator built with a metal body and OE-based engineering. It is specified for 1994-1997 Toyota Previa applications and uses a push-in inlet, hose outlet, and bolt-on mounting for a direct replacement-style service part.
For Toyota Previa fuel system repair, FP10428 helps restore regulated fuel pressure to the 39 psi system specification. Delphi draws on OE heritage and supplier experience to produce aftermarket parts that reflect original equipment knowledge and fitment expectations.
Key Features
- Fuel injection pressure regulator for 1994-1997 Toyota Previa
- Delphi FP10428 replacement part number
- Metal construction for fuel system durability
- Push-in inlet and hose outlet connection style
- Bolt-mounted design with one inlet and one outlet port
- Fixed-pressure regulator set for 39 psi systems
- No gauge port and non-adjustable design
Detailed Description
This Delphi fuel injection pressure regulator is engineered for Toyota Previa fuel delivery systems that require stable pressure control. The unit’s 11.0 mm inlet port diameter, 8.0 mm outlet port diameter, and metal housing support a service replacement that matches the original connection style. Delphi FP10428 is a practical choice when replacing a worn regulator on a 1994-1997 Toyota Previa, especially when drivability issues point to inconsistent fuel pressure.
This part cross-references Dorman OE Solutions 800-143 for the same application.
What It Helps Fix
- Hard starting caused by incorrect fuel pressure
- Rich or lean running conditions from pressure irregularities
- Fuel pressure loss after shutdown
- Rough idle related to regulator wear
- Fuel delivery inconsistency on Toyota Previa models
Installation Notes and Tips
Verify the inlet and outlet connection style before installation and confirm the vehicle’s fuel system specification matches the 39 psi regulator rating. Inspect hoses, clamps, and adjacent fuel lines for wear before reassembly. For 1994-1997 Toyota Previa service, compare the original regulator layout to the Delphi FP10428 mounting and port orientation before replacement.
Quality Assurance
Delphi builds this part using OE experience and supplier knowledge developed through work with major automakers. That background is reflected in the regulator’s materials, connection design, and fuel system specification.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1997 | Toyota | Previa | N/A | — |
| 1996 | Toyota | Previa | N/A | — |
| 1995 | Toyota | Previa | N/A | — |
| 1994 | Toyota | Previa | N/A | — |
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