Metelli PA1029 Engine Water Pump

Reliable Engine Water Pump for Mercedes-Benz Models

The Metelli PA1029 engine water pump is designed to provide efficient cooling system performance for a range of Mercedes-Benz vehicles. Engineered with durable materials and precise specifications, this water pump ensures consistent coolant circulation to maintain optimal engine temperature.

• Includes pulley with 6 grooves for secure belt engagement
• Comes with a gasket to ensure a proper seal and prevent leaks
• Aluminium housing for lightweight strength and corrosion resistance
• Metal impeller with 5 vanes for effective coolant flow
• Roller/ball bearing type with 30mm outside diameter for smooth operation
• Pulley width of 24mm designed for exact fitment
• New, not remanufactured, ensuring original performance standards

Technical Details and Construction

The Metelli PA1029 water pump features a robust aluminium housing that offers durability while resisting corrosion from coolant exposure. Its metal impeller, equipped with five vanes and a 73mm outside diameter, is engineered to optimize coolant flow through the engine’s cooling system. The included pulley has six grooves and a 24mm width, designed to match the belt system of compatible Mercedes-Benz models. The roller/ball bearing with a 30mm outside diameter supports smooth rotation and long service life. This water pump is supplied new and includes a gasket to ensure a tight seal during installation.

Compatible Mercedes-Benz Models

This engine water pump is compatible with the following Mercedes-Benz vehicles: CL550, CLK550, CLS550, E550, G550, GL450, GL550, ML550, S550, and SL550. The PA1029 part number corresponds specifically to these models, ensuring proper fit and function within their cooling systems.

Common Applications and Problem Resolution

• Replaces failing or leaking water pumps causing engine overheating
• Restores proper coolant circulation to prevent engine damage
• Eliminates noise or rough operation from worn bearings
• Addresses coolant leaks due to damaged seals or gaskets
• Improves engine temperature regulation for consistent performance

Installation Notes and Tips

When installing the Metelli PA1029 water pump, ensure the gasket is properly seated to prevent coolant leaks. Verify the pulley grooves align with the belt system on your Mercedes-Benz model. It is recommended to inspect the belt and tensioner for wear and replace if necessary during installation. Follow manufacturer torque specifications for mounting bolts to avoid damage to the aluminium housing.

Quality Assurance and Warranty

Metelli manufactures this water pump to meet OEM standards, using high-quality materials such as aluminium and metal impellers for durability. The roller/ball bearing design supports reliable operation under demanding conditions. This product is new and includes a gasket for installation. Warranty coverage details should be confirmed with the distributor or installer.