Metelli PA1273 Engine Water Pump

Reliable Engine Water Pump for Mercedes-Benz Models

The Metelli PA1273 engine water pump is designed to maintain optimal cooling performance for a range of Mercedes-Benz vehicles, including AMG and luxury series models. Engineered with durable materials and precise specifications, this water pump ensures efficient coolant circulation and reliable operation.

• Includes pulley and gasket for complete installation
• Aluminium housing for lightweight strength and corrosion resistance
• Metal impeller with 7 vanes for effective coolant flow
• Ball-type bearings with 30mm outside diameter for smooth rotation
• Compatible with multiple Mercedes-Benz models such as C43 AMG, GLE450 AMG, and S450

Technical Details and Construction

The Metelli PA1273 water pump features a robust aluminium housing that offers durability while reducing overall weight. Its metal impeller, equipped with seven vanes and a 42.5mm outside diameter, is designed to optimize coolant movement through the engine cooling system. The ball/ball bearing type with a 30mm outside diameter ensures stable and long-lasting operation under various driving conditions. This new water pump comes complete with a pulley measuring 25.6mm in width and includes a gasket to facilitate a secure and leak-free installation.

Compatible Mercedes-Benz Models

This engine water pump is compatible with a wide range of Mercedes-Benz vehicles, including but not limited to the C43 AMG, C400, C450 AMG, CLS400, E43 AMG, E400, GL450, GLC43 AMG, GLE43 AMG, GLE400, GLE450 AMG, GLE550e, GLS450, ML400, S450, S550e, S560e, SL400, SL450, and SLC43 AMG. The PA1273 part number ensures precise fitment and reliable performance for these models.

Common Applications and Problem Resolution

• Replaces failing or leaking water pumps to prevent engine overheating
• Restores proper coolant circulation in Mercedes-Benz AMG and luxury models
• Addresses noisy or worn bearings causing pump malfunction
• Eliminates coolant leaks due to damaged seals or gaskets
• Improves engine cooling efficiency for enhanced vehicle reliability

Installation Notes and Tips

When installing the Metelli PA1273 water pump, ensure the gasket is properly seated to prevent leaks. Verify pulley alignment and belt tension to avoid premature wear. It is recommended to inspect the cooling system hoses and thermostat during installation for comprehensive maintenance. Use manufacturer-recommended torque specifications for mounting bolts to secure the pump correctly.

Quality Assurance and Warranty

The Metelli PA1273 engine water pump is a new, high-quality replacement part manufactured to meet or exceed OEM standards. Constructed with durable aluminium housing and metal impeller components, it is designed for long service life. This product includes a gasket and pulley for a complete installation package. Warranty coverage details should be confirmed with the distributor or installer.