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Bosch 0445020147 Diesel Fuel Injector Pump
Bosch Diesel Fuel Injector Pump for Ram HD
This Bosch Injection Pump (New), part number 0445020147, is a premium replacement diesel fuel pump for select Dodge Ram heavy-duty applications. It is built for 2003-2009 Dodge Ram 2500 and 2003-2008 Dodge Ram 3500 models, with additional actual OE fitment for 2004 Ram 2500 and 2005 Ram 3500.
Bosch’s Injection Pump (New) line focuses on OE-style fuel system replacement parts built to original equipment test specifications. The result is a diesel fuel injector pump that supports factory-level fuel delivery and emissions-related requirements for the listed Ram applications.
Key Features
- Brand: Bosch
- Part number: 0445020147
- Premium replacement diesel fuel pump
- New injection pump for diesel fuel system service
- Previously cataloged as 0445020039
- Gasket or seal not included
- Compatible with select Dodge Ram 2500 and Ram 3500 diesel applications
Fitment Details
- Fits 2003-2009 Dodge Ram 2500, N/A
- Fits 2003-2008 Dodge Ram 3500, N/A
- Fits 2005 Dodge Ram 3500, N/A, actual OE part
- Fits 2004 Dodge Ram 2500, N/A, actual OE part
This part cross-references 5104877AA and 5143425AA for the same application.
What It Is Used For
- Restoring proper diesel fuel pressure delivery
- Addressing hard-start or no-start conditions tied to pump wear
- Correcting fuel delivery issues that affect engine performance
- Replacing a worn or failing injection pump on Ram HD diesel trucks
- Supporting emissions-related fuel system operation on the listed vehicles
Installation Notes and Tips
Verify engine and application details against the vehicle’s original pump before installation. Because this is a diesel fuel injector pump, clean fuel system practices are important during service, and the pump should be installed according to factory procedures for the specific Ram 2500 or Ram 3500 application.
Quality Assurance
Bosch manufactures this Injection Pump (New) using end-of-line testing against original equipment specifications. The design incorporates the latest component and specification updates for the listed applications and is intended to deliver OE-level performance for compatible Dodge Ram diesel trucks.
| Brand | Bosch |
|---|---|
| Part Number | 0445020147 |
| Position | Injection Pump (New) |
| Gasket Or Seal Included | No |
| Item Grade | Premium Replacement |
| Package Contents | 1 Diesel Fuel Pump |
| Previously cataloged as # | 0445020039 |
| Unit(s) per Car Qty (ORLY) | 1 |
This part fits 15 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Dodge | Ram 2500 | 5.9L | L6 | N/A | Injection Pump (New) |
| 2008 | Dodge | Ram 2500 | 5.9L | L6 | N/A | Injection Pump (New) |
| 2008 | Dodge | Ram 3500 | 5.9L | L6 | N/A | Injection Pump (New) |
| 2007 | Dodge | Ram 2500 | 5.9L | L6 | N/A | Injection Pump (New) |
| 2007 | Dodge | Ram 3500 | 5.9L | L6 | N/A | Injection Pump (New) |
| 2006 | Dodge | Ram 2500 | 5.9L | L6 | N/A | Injection Pump (New) |
| 2006 | Dodge | Ram 3500 | 5.9L | L6 | N/A | Injection Pump (New) |
| 2005 | Dodge | Ram 2500 | 5.9L | L6 | N/A | Injection Pump (New) |
| 2005 | Dodge | Ram 3500 | 5.9L | L6 | N/A | Injection Pump (New) |
| 2005 | Dodge | Ram 3500 | 5.9L | L6 | N/A | Actual OE part; Injection Pump (New) |
| 2004 | Dodge | Ram 2500 | 5.9L | L6 | N/A | Injection Pump (New) |
| 2004 | Dodge | Ram 2500 | 5.9L | L6 | N/A | Actual OE part; Injection Pump (New) |
| 2004 | Dodge | Ram 3500 | 5.9L | L6 | N/A | Injection Pump (New) |
| 2003 | Dodge | Ram 2500 | 5.9L | L6 | N/A | Injection Pump (New) |
| 2003 | Dodge | Ram 3500 | 5.9L | L6 | N/A | Injection Pump (New) |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.