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Bosch 0440007997 Diesel Primer Pump Assembly
Bosch Diesel Primer Pump Assembly for Mercedes-Benz
This Bosch Diesel Mechanical Pre Pump (New) is a premium replacement fuel primer pump assembly for diesel fuel delivery systems. It is built for 1992-1993 Mercedes-Benz 300SD and 1994-1995 Mercedes-Benz S350 applications, with one outlet and one diesel fuel pump included in the package.
Key Features
- Brand: Bosch
- Part number: 0440007997
- Premium Replacement item grade
- Diesel Primer Pump Assembly for mechanical fuel priming
- 1 outlet configuration
- Package contents: 1 diesel fuel pump
- Direct fitment for select Mercedes-Benz diesel models
Product Details
Bosch 0440007997 is a diesel mechanical pre pump assembly for fuel injection system service on select Mercedes-Benz diesel vehicles. Bosch supplies original-equipment fuel system components for diesel passenger cars, SUVs, vans, and pickups, and this part reflects that OE-focused background in a premium replacement format. It is listed for 1992-1993 Mercedes-Benz 300SD and 1994-1995 Mercedes-Benz S350, making it a targeted solution for owners searching for a Mercedes-Benz 300SD diesel primer pump or a Bosch 0440007997 fuel pump assembly for S350 diesel applications.
This part cross-references Bosch 0000902650 for the same application.
What It Helps Address
- Hard starting caused by weak fuel priming
- Fuel delivery interruption in diesel mechanical systems
- Loss of prime after extended sitting
- Inconsistent fuel supply to the injection system
- Service replacement for a worn diesel primer pump assembly
Installation Notes and Tips
Verify the part number 0440007997 against the existing pump before installation. Confirm the vehicle is a 1992-1993 Mercedes-Benz 300SD or 1994-1995 Mercedes-Benz S350, and match the outlet configuration and mounting layout to the original component. Clean the surrounding fuel system area before removal and inspect fuel lines and seals for wear during service.
Quality Assurance
Bosch is an established OE supplier of diesel fuel system components, and this premium replacement pump is built for application-specific service on the listed Mercedes-Benz models.
| Brand | Bosch |
| Part Number | 0440007997 |
| Position | Diesel Mechanical Pre Pump (New) |
| Item Grade | Premium replacement |
| Outlet Quantity | 1 |
| Package Contents | 1 diesel fuel pump |
| Unit(s) per Car Qty (ORLY) | 1 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1995 | Mercedes-Benz | S350 | 3.4L | L6 | N/A | Diesel Mechanical Pre Pump (New) |
| 1994 | Mercedes-Benz | S350 | 3.4L | L6 | N/A | Diesel Mechanical Pre Pump (New) |
| 1993 | Mercedes-Benz | 300SD | 3.4L | L6 | N/A | Diesel Mechanical Pre Pump (New) |
| 1992 | Mercedes-Benz | 300SD | 3.4L | L6 | N/A | Diesel Mechanical Pre 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.