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Metelli PA661 Engine Water Pump
| Brand | Metelli PA661 |
|---|---|
| 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, O-ring |
| Fits | Mercedes-Benz · 6 vehicles |
OE-style replacement. New water pump with gasket and O-ring included.
Aluminium housing. Lightweight construction helps resist corrosion.
Cast iron impeller. Built with a durable 4-vane design.
Cross-references Anchor 8020, Anchor 9107 and Beck/Arnley 131-2224 for the same application. See all 45.
Metelli PA661 Engine Water Pump
The Metelli PA661 engine water pump is a new replacement water pump built for select Mercedes-Benz applications. It features an aluminium housing, a cast iron impeller, and a roller/ball bearing design for dependable coolant circulation in the engine cooling system.
Key Features
- New engine water pump for cooling system service
- Aluminium housing for corrosion-resistant construction
- Cast iron impeller with 4 vanes
- Roller/ball bearing design
- Gasket or seal included
- Package contents: water pump, O-ring
- Impeller outside diameter: 77 mm
- Bearing outside diameter: 36 mm
Detailed Description
Metelli PA661 is an OE-style engine water pump for Mercedes-Benz C280, C36 AMG, SL320, and E320 applications listed below. The pump is built with an aluminium housing and a cast iron impeller to support coolant flow through the engine, while the roller/ball bearing construction helps maintain stable shaft support during operation. This part cross-references Gates 21864 and Beck/Arnley 131-2224 for the same application. Use PA661 when replacing a worn or leaking Mercedes-Benz water pump on 1994 E320, 1996-1997 C280, 1996-1997 C36 AMG, or 1997 SL320 models with the listed engine design note.
What This Water Pump Helps Address
- Coolant leakage from a worn pump seal or gasket
- Overheating caused by reduced coolant circulation
- Noise from a failing pump bearing
- Impeller wear that limits coolant movement
- Cooling system service on Mercedes-Benz E320, C280, C36 AMG, and SL320
Installation Notes and Tips
Confirm engine code and fitment details before installation, especially for the 1997 Mercedes-Benz SL320 with engine design 104.991 water pump fitment. Inspect the mounting surface, replace the O-ring and seal surfaces as needed, and refill the cooling system with the correct coolant mixture after installation. Verify belt condition and pulley alignment during water pump replacement.
Quality Assurance
Metelli PA661 is a new replacement part built with aluminium housing, a cast iron impeller, and included sealing components for a complete cooling-system service replacement.
Fitment
- Fits 1996-1997 Mercedes-Benz C280, N/A
- Fits 1996-1997 Mercedes-Benz C36 AMG, N/A
- Fits 1997 Mercedes-Benz SL320, N/A, Engine Design: 104.991 - water pump fitment.
- Fits 1994 Mercedes-Benz E320, N/A
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1997 | Mercedes-Benz | C280 | 2.8L | L6 | N/A | — |
| 1997 | Mercedes-Benz | C36 AMG | 3.6L | L6 | N/A | — |
| 1997 | Mercedes-Benz | SL320 | 3.2L | L6 | N/A | Engine Design: 104.991 - water pump fitment. |
| 1996 | Mercedes-Benz | C280 | 2.8L | L6 | N/A | — |
| 1996 | Mercedes-Benz | C36 AMG | 3.6L | L6 | N/A | — |
| 1994 | Mercedes-Benz | E320 | 3.2L | L6 | N/A | — |
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