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Metelli PA449 Engine Water Pump
| Brand | Metelli PA449 |
|---|---|
| Bearing Outside Diameter | 36 |
| Bearing Type | Roller/Ball |
| Gasket Or Seal Included | YES |
| Housing Material | Aluminium |
| Impeller Material | Cast Iron |
| Impeller Outside Diameter | 77 |
| Impeller Vane Quantity | 4 |
| New Or Remanufactured | NEW |
| Package Contents | Water Pump, Gasket |
| Fits | Mercedes-Benz · 36 vehicles |
OE direct replacement. New engine water pump with gasket included.
Aluminium housing. Lightweight construction helps resist corrosion.
Cast iron impeller. Durable design with roller-ball bearings.
Cross-references Airtex AW9202, Anchor 2292 and Baldwin P177 for the same application. See all 59.
Engine Water Pump for Mercedes-Benz Applications
The Metelli PA449 engine water pump is a new replacement cooling component built with an aluminium housing, cast iron impeller, and roller/ball bearing support. It includes a gasket for installation and is listed for Mercedes-Benz 190E, 260E, 300E, 300CE, 300SE, and 300SEL applications across the 1986-1993 model years.
- New engine water pump with gasket included
- Aluminium housing for corrosion-resistant construction
- Cast iron impeller with 4 vanes
- Roller/ball bearing design for rotating support
- Impeller outside diameter: 77 mm
- Bearing outside diameter: 36 mm
- Fits Mercedes-Benz 190E, 260E, 300E, 300CE, 300SE, 300SEL, and 300TE applications
Detailed Product Overview
Metelli PA449 is an OE-style engine water pump for Mercedes-Benz cooling system service. The aluminium housing and cast iron impeller are paired with a roller/ball bearing assembly to support coolant circulation in the engine’s water pump circuit. This part cross-references Airtex AW9202 and Gates 43302 for the same application. The PA449 is a direct-fit option for Mercedes-Benz 190E, 260E, 300E, 300CE, 300SE, 300SEL, and 300TE models within the listed years, including the 4-hole hub engine water pump note on select 260E applications.
Common Cooling System Issues
- Coolant circulation loss from a worn or leaking water pump
- Engine overheating caused by reduced pump output
- Noise from bearing wear in the pump assembly
- Coolant seepage at the pump sealing surface
- Impeller wear that reduces coolant flow
Installation Notes and Fitment
Fits 1987-1993 Mercedes-Benz 190E, N/A. Fits 1988-1993 Mercedes-Benz 300TE, N/A. Fits 1986-1992 Mercedes-Benz 300E, N/A. Fits 1988-1991 Mercedes-Benz 300SE, N/A. Fits 1988-1991 Mercedes-Benz 300SEL, N/A. Fits 1987-1989 Mercedes-Benz 260E, N/A, 4 Hole Hub Engine Water Pump. Fits 1988-1989 Mercedes-Benz 300CE, N/A.
Before installation, verify pulley alignment, gasket surface condition, and coolant system cleanliness. Replace worn belts, inspect hoses, and flush contaminated coolant to help protect the new pump and maintain stable operating temperature.
Quality Assurance
Metelli PA449 is a new water pump built with specified housing, impeller, and bearing materials for service replacement use. The included gasket supports a complete sealing installation.
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1993 | Mercedes-Benz | 190E | — | 2.6L | L6 | N/A | — |
| 1993 | Mercedes-Benz | 300TE | Automatic | 3.0L | L6 | N/A | — |
| 1992 | Mercedes-Benz | 190E | — | 2.6L | L6 | N/A | — |
| 1992 | Mercedes-Benz | 300E | Automatic | 2.6L | L6 | N/A | — |
| 1992 | Mercedes-Benz | 300E | — | 3.0L | L6 | N/A | — |
| 1992 | Mercedes-Benz | 300TE | Automatic | 3.0L | L6 | N/A | — |
| 1991 | Mercedes-Benz | 190E | — | 2.6L | L6 | N/A | — |
| 1991 | Mercedes-Benz | 300E | Automatic | 2.6L | L6 | N/A | — |
| 1991 | Mercedes-Benz | 300E | — | 3.0L | L6 | N/A | — |
| 1991 | Mercedes-Benz | 300SE | — | 3.0L | L6 | N/A | — |
| 1991 | Mercedes-Benz | 300SEL | — | 3.0L | L6 | N/A | — |
| 1991 | Mercedes-Benz | 300TE | Automatic | 3.0L | L6 | N/A | — |
| 1990 | Mercedes-Benz | 190E | — | 2.6L | L6 | N/A | — |
| 1990 | Mercedes-Benz | 300E | Automatic | 2.6L | L6 | N/A | — |
| 1990 | Mercedes-Benz | 300E | — | 3.0L | L6 | N/A | — |
| 1990 | Mercedes-Benz | 300SE | — | 3.0L | L6 | N/A | — |
| 1990 | Mercedes-Benz | 300SEL | — | 3.0L | L6 | N/A | — |
| 1990 | Mercedes-Benz | 300TE | Automatic | 3.0L | L6 | N/A | — |
| 1989 | Mercedes-Benz | 190E | — | 2.6L | L6 | N/A | — |
| 1989 | Mercedes-Benz | 260E | — | 2.6L | L6 | N/A | 4 Hole Hub Engine Water Pump |
| 1989 | Mercedes-Benz | 300CE | — | 3.0L | L6 | N/A | — |
| 1989 | Mercedes-Benz | 300E | — | 3.0L | L6 | N/A | — |
| 1989 | Mercedes-Benz | 300SE | — | 3.0L | L6 | N/A | — |
| 1989 | Mercedes-Benz | 300SEL | — | 3.0L | L6 | N/A | — |
| 1989 | Mercedes-Benz | 300TE | Automatic | 3.0L | L6 | N/A | — |
| 1988 | Mercedes-Benz | 190E | — | 2.6L | L6 | N/A | — |
| 1988 | Mercedes-Benz | 260E | — | 2.6L | L6 | N/A | 4 Hole Hub Engine Water Pump |
| 1988 | Mercedes-Benz | 300CE | — | 3.0L | L6 | N/A | — |
| 1988 | Mercedes-Benz | 300E | — | 3.0L | L6 | N/A | — |
| 1988 | Mercedes-Benz | 300SE | — | 3.0L | L6 | N/A | — |
| 1988 | Mercedes-Benz | 300SEL | — | 3.0L | L6 | N/A | — |
| 1988 | Mercedes-Benz | 300TE | Automatic | 3.0L | L6 | N/A | — |
| 1987 | Mercedes-Benz | 190E | — | 2.6L | L6 | N/A | — |
| 1987 | Mercedes-Benz | 260E | — | 2.6L | L6 | N/A | 4 Hole Hub Engine Water Pump |
| 1987 | Mercedes-Benz | 300E | — | 3.0L | L6 | N/A | — |
| 1986 | Mercedes-Benz | 300E | — | 3.0L | L6 | N/A | — |
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