/live/media/DE/DE_FP10437_Fro.jpg)
Will it fit your vehicle?
Confirm before you buy. Free return shipping if it doesn't fit.
Delphi FP10437 Fuel Injection Pressure Regulator
| Brand | Delphi FP10437 |
|---|---|
| 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 | Mazda · 2 vehicles |
OE heritage. Built with 100 years of OE experience and knowledge.
Metal construction. Provides durable support for fuel system performance.
Fuel injection pressure regulator. Helps maintain consistent fuel pressure in the system.
Cross-references Dorman - OE Solutions 800-142, Gates 21840 and Standard Ignition PR30 for the same application. See all 6.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Fuel Pressure Control for Mazda 626
The Delphi FP10437 fuel injection pressure regulator is built for precise fuel system pressure control in 1986-1987 Mazda 626 applications. With OE-based engineering and a metal body, it supports stable fuel delivery for consistent engine performance.
Key Features
- Direct-fit fuel injection pressure regulator for 1986-1987 Mazda 626
- Metal construction for fuel system durability
- Fixed-pressure design with 39 system pressure specification
- Push-in inlet and hose outlet configuration
- One inlet port and one outlet port for straightforward routing
- Bolt-mounted design for secure installation
- No gauge port and non-adjustable setup
- Delphi FP10437 replacement part number for catalog matching
Detailed Description
Delphi FP10437 is a fuel injection pressure regulator engineered for Mazda 626 fuel delivery systems from 1986 and 1987. It uses a metal housing, a push-in inlet, and a hose-style outlet to match the original fuel system layout, while the 39 system pressure specification helps maintain the fuel pressure required for proper injector operation. Delphi draws on OE heritage and supplier experience from original equipment development, which is reflected in the fit and function of this replacement part. This part cross-references Dorman OE Solutions 800-142 for the same application. Search terms such as 1986 Mazda 626 fuel injection pressure regulator, 1987 Mazda 626 fuel pressure regulator, and Delphi FP10437 Mazda 626 replacement help identify the correct application quickly.
Common Problems This Part Addresses
- Fuel pressure that is too high or too low
- Hard starting caused by unstable fuel delivery
- Rich or lean running conditions from regulator failure
- Fuel odor or pressure loss related to a worn regulator
- Rough idle or hesitation tied to inconsistent injector pressure
Installation Notes and Tips
Verify inlet and outlet port sizes before installation: the inlet measures 11.0 mm (0.43 in) and the outlet measures 8.0 mm (0.31 in). Confirm the bolt-mount location and hose routing match the original setup on the Mazda 626. Inspect connected fuel lines and seals for wear before installing the new regulator, and confirm system pressure after service.
Quality Assurance
Delphi builds this regulator using OE-based knowledge developed through long-term supplier experience with major automakers. The FP10437 is manufactured to support accurate fuel pressure control and dependable replacement performance in the specified Mazda 626 applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1987 | Mazda | 626 | N/A | — |
| 1986 | Mazda | 626 | N/A | — |
| No rows match your filter. | ||||