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Metelli PA448 Engine Water Pump
Reliable Engine Water Pump for Mercedes-Benz 300D and E300
The Metelli PA448 engine water pump is designed specifically for Mercedes-Benz models including the 300D, 300SD, 350SD, 350SDL, and E300. This new water pump ensures efficient engine cooling with durable materials and precise engineering.
- Includes gasket for a complete installation
- Aluminium housing for lightweight strength and corrosion resistance
- Cast iron impeller with 8 vanes for effective coolant flow
- Ball/ball bearing type with 40mm outside diameter for smooth operation
- Impeller outside diameter measures 69mm for optimal fit
- New, not remanufactured, ensuring original performance
Technical Details of Metelli PA448 Water Pump
The Metelli PA448 water pump features an aluminium housing that provides a balance of durability and weight savings, helping maintain engine efficiency in Mercedes-Benz 300D and E300 vehicles. The cast iron impeller with eight vanes is engineered to deliver consistent coolant circulation, preventing overheating. The ball/ball bearing system with a 40mm outside diameter supports reliable rotation and longevity under demanding engine conditions. This water pump comes new and includes a gasket, simplifying installation and ensuring a proper seal to prevent leaks.
Compatible Mercedes-Benz Models and Applications
This engine water pump is compatible with the following Mercedes-Benz models: 300D, 300SD, 350SD, 350SDL, and E300. It is designed to replace the original water pump and restore proper coolant flow and engine temperature regulation in these vehicles.
- Overheating issues due to worn or damaged water pump
- Coolant leaks around the water pump housing
- Unusual noises from the water pump bearing
- Reduced engine cooling efficiency
- Failed or seized impeller affecting coolant circulation
Installation Notes and Tips
When installing the Metelli PA448 water pump, ensure the gasket is properly seated to prevent coolant leaks. It is recommended to drain the cooling system before removal of the old pump. Inspect the pulley and belt condition during installation and replace if necessary. Torque all mounting bolts to manufacturer specifications to avoid damage to the aluminium housing.
Quality Assurance and Warranty Information
Metelli manufactures the PA448 water pump to meet OEM standards for fit and function. This new water pump undergoes quality control checks to ensure durability and performance. The product includes a gasket for a complete replacement. Warranty coverage details should be confirmed with the distributor or installer.
| Brand | Graf |
| Part Number | PA448 |
| Bearing Outside Diameter | 40 |
| Bearing Type | Ball/Ball |
| Gasket Or Seal Included | YES |
| Housing Material | Aluminium |
| Impeller Material | Cast Iron |
| Impeller Outside Diameter | 69 |
| Impeller Vane Quantity | 8 |
| New Or Remanufactured | NEW |
| Package Contents | Water Pump, Gasket |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1997 | Mercedes-Benz | E300 | 3.0L | L6 | N/A | |
| 1996 | Mercedes-Benz | E300 | 3.0L | L6 | N/A | |
| 1995 | Mercedes-Benz | E300 | 3.0L | L6 | N/A | |
| 1993 | Mercedes-Benz | 300D | 2.5L | L5 | N/A | |
| 1993 | Mercedes-Benz | 300SD | 3.4L | L6 | N/A | |
| 1992 | Mercedes-Benz | 300D | 2.5L | L5 | N/A | |
| 1992 | Mercedes-Benz | 300SD | 3.4L | L6 | N/A | |
| 1991 | Mercedes-Benz | 300D | 2.5L | L5 | N/A | |
| 1991 | Mercedes-Benz | 350SD | 3.4L | L6 | N/A | |
| 1991 | Mercedes-Benz | 350SDL | 3.4L | L6 | N/A | |
| 1990 | Mercedes-Benz | 300D | 2.5L | L5 | N/A | |
| 1990 | Mercedes-Benz | 350SDL | 3.4L | L6 | N/A |
* 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.