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Dorman 502-556 Diesel Fuel Injector Pump
| Brand | Dorman 502-556 |
|---|---|
| Connector Gender | Female |
| Connector Quantity | 1 |
| Gasket Or Seal Included | Yes |
| Mounting Hardware Included | No |
| Package Contents | 1 Pump |
| Port Quantity | 3 |
| Pump Type | Mechanical |
| Terminal Gender | Male |
| Terminal Quantity | 2 |
| Terminal Type | Blade |
| Wire Quantity | 0 |
| Wiring Harness Included | No |
| Fits | Dodge · 9 vehicles |
Remanufactured to exacting standards. Critical components are replaced, then cleaned, reassembled, and tested.
Mechanical pump design. Built for dependable fuel injection performance with a simple mechanical setup.
Seal included. Comes with a gasket or seal for a more complete installation.
Cross-references GB 739-304, Standard Ignition IP21 and 3964009 for the same application. See all 6.
Dorman 502-556 Diesel Fuel Injector Pump
This remanufactured diesel fuel injector pump is built for direct replacement service on select Dodge Ram diesel applications. Dorman 502-556 is cleaned, reassembled, and tested with critical components replaced and clearances verified for dependable fuel delivery.
Key Features
- Mechanical diesel fuel injection pump for fuel delivery service
- Thoroughly remanufactured using a controlled process
- Critical wear components replaced during rebuilding
- Clearances verified after cleaning and reassembly
- Female connector with 2 terminals and blade-style terminals
- Gasket or seal included for installation
- 3-port pump configuration
Detailed Description
Dorman 502-556 is a remanufactured diesel fuel injector pump for select Dodge Ram 2500 and Dodge Ram 3500 trucks. It is built as a mechanical pump with one female connector, male terminals, and a blade terminal design. This part number is commonly searched as Dorman 502-556 for diesel fuel system repair and replacement on 2005-2009 Dodge Ram 2500 and 2006-2009 Dodge Ram 3500 applications, including the 2009 Dodge Ram 3500 L6 359CID 5.9L configuration.
This part cross-references Standard Ignition IP21 for the same application.
What It Helps Fix
- Hard starting caused by fuel delivery problems
- Loss of fuel pressure in the injection system
- Rough engine operation related to pump wear
- Fuel system performance issues on Dodge Ram diesel trucks
- Replacement needs after pump failure or internal wear
Installation Notes and Tips
Verify connector style, terminal layout, and port configuration before installation. Confirm vehicle application by year, model, and engine details for Dodge Ram 2500 and Dodge Ram 3500 trucks. Inspect related fuel system components, seals, and lines during replacement to help avoid repeat service. Dorman 502-556 is supplied without mounting hardware and without a wiring harness.
Quality Assurance
This pump is remanufactured through Dorman’s controlled rebuilding process, with critical components replaced and clearances checked after cleaning, reassembly, and testing to support consistent operation.
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2009 | Dodge | Ram 2500 | Manual | 5.9L | L6 | N/A | — |
| 2009 | Dodge | Ram 3500 | Manual | — | — | N/A | L6 359CID 5.9L |
| 2008 | Dodge | Ram 2500 | Manual | 5.9L | L6 | N/A | — |
| 2008 | Dodge | Ram 3500 | Manual | 5.9L | L6 | N/A | — |
| 2007 | Dodge | Ram 2500 | — | 5.9L | L6 | N/A | — |
| 2007 | Dodge | Ram 3500 | — | 5.9L | L6 | N/A | — |
| 2006 | Dodge | Ram 2500 | — | 5.9L | L6 | N/A | — |
| 2006 | Dodge | Ram 3500 | — | 5.9L | L6 | N/A | — |
| 2005 | Dodge | Ram 2500 | — | 5.9L | L6 | N/A | — |
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