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Metelli PA591 Engine Water Pump
Reliable Engine Water Pump for Audi S4 and S6
The Metelli PA591 engine water pump is designed to maintain optimal cooling system performance in Audi S4 and S6 models. Featuring durable materials and precise engineering, this new water pump ensures efficient coolant circulation and engine temperature regulation.
- Includes pulley with 29 teeth and 21 mm width for direct fitment
- Comes with gasket and o-ring for secure sealing
- Aluminium housing for lightweight strength and corrosion resistance
- Cast iron impeller with 7 vanes and 70 mm diameter for effective coolant flow
- Ball/ball bearing type with 30 mm outside diameter for smooth operation and longevity
- New, not remanufactured, ensuring reliable performance
Technical Details of Metelli PA591 Water Pump
This engine water pump is engineered with an aluminium housing that offers a balance of durability and heat dissipation. The cast iron impeller, featuring seven vanes and a 70 mm outside diameter, is designed to optimize coolant movement through the engine’s cooling system. The included pulley, with 29 teeth and a 21 mm width, matches factory specifications for the Audi S4 and S6, ensuring proper belt alignment and tension. The ball/ball bearing with a 30 mm outside diameter supports smooth rotation and reduces wear over time. The package includes a gasket and o-ring to provide a tight seal and prevent leaks during installation.
Compatible Vehicles and Common Applications
- Compatible with Audi S4 models requiring a direct replacement water pump
- Compatible with Audi S6 models for maintaining cooling system integrity
- Addresses issues such as coolant leaks, overheating, and noisy water pump operation
- Replaces worn or damaged water pumps to restore engine cooling efficiency
- Prevents engine damage caused by inadequate coolant circulation
Installation Notes and Tips
When installing the Metelli PA591 water pump, ensure the cooling system is fully drained before removal of the old pump. Use the included gasket and o-ring to achieve a proper seal and prevent coolant leaks. Verify pulley alignment and belt tension after installation to avoid premature wear. It is recommended to inspect related components such as belts and hoses during replacement to maintain overall cooling system health.
Quality Assurance and Warranty
The Metelli PA591 engine water pump is a new, high-quality replacement part manufactured to meet OEM specifications. Constructed with durable aluminium housing and cast iron impeller materials, it is designed for long service life. While specific warranty details are not provided, Metelli products typically adhere to strict quality control standards to ensure reliable performance in Audi S4 and S6 vehicles.
| Brand | Metelli |
| Part Number | PA591 |
| Pulley Included | Yes |
| Gasket Or Seal Included | Yes |
| Housing Material | Aluminium |
| Impeller Material | Cast iron |
| Bearing Outside Diameter | 30 |
| Bearing Type | Ball/ball |
| Impeller Vane Quantity | 7 |
| Impeller Outside Diameter | 70 |
| New Or Remanufactured | New |
| Package Contents | Water pump, o-ring |
| Pulley Teeth Quantity | 29 |
| Pulley Width | 21 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1997 | Audi | S6 | 2.2L | L5 | N/A | |
| 1996 | Audi | S6 | 2.2L | L5 | N/A | |
| 1995 | Audi | S6 | 2.2L | L5 | N/A | |
| 1994 | Audi | S4 | 2.2L | L5 | N/A | |
| 1993 | Audi | S4 | 2.2L | L5 | N/A | |
| 1992 | Audi | S4 | 2.2L | L5 | 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.