Metelli PA860 Engine Water Pump

Reliable Engine Water Pump for Lexus and Mini Vehicles

The Metelli PA860 engine water pump is designed to maintain optimal engine temperature and ensure efficient cooling for select Lexus and Mini models. This new water pump includes all necessary components for a straightforward replacement, supporting reliable vehicle performance.

• Complete assembly with housing and pulley included
• Durable aluminium housing for lightweight strength
• Cast iron impeller with 6 vanes for effective coolant flow
• 6-groove pulley with 29.2 mm width for precise belt alignment
• Roller/ball bearing with 38.1 mm outside diameter for smooth operation
• Includes gasket for proper sealing and leak prevention
• Compatible with Lexus GS460, IS F, LS460, LS600h and Mini Cooper models

Technical Details of the Metelli PA860 Water Pump

The Metelli PA860 water pump features a robust aluminium housing that provides corrosion resistance and durability under high engine temperatures. The cast iron impeller, equipped with six vanes, ensures consistent coolant circulation to prevent overheating. The included pulley has six grooves and a width of 29.2 mm, designed to fit the serpentine belt system of compatible vehicles. A roller/ball bearing with a 38.1 mm outside diameter supports smooth rotation and reduces wear. This pump comes new and includes a gasket to guarantee a secure seal during installation.

Compatible Vehicles and Applications

This engine water pump is specifically engineered for use in the following vehicles:

• Lexus GS460
• Lexus IS F
• Lexus LS460
• Lexus LS600h
• Mini Cooper

It is ideal for replacing worn or failing water pumps in these models to restore proper engine cooling and prevent overheating issues.

Common Issues Addressed by the PA860 Water Pump

• Engine overheating due to coolant circulation failure
• Coolant leaks from damaged or worn seals
• Unusual noises caused by bearing wear or pulley misalignment
• Reduced engine performance from inefficient cooling
• Premature engine wear due to inadequate temperature regulation

Installation Notes and Tips

When installing the Metelli PA860 water pump, ensure the gasket is properly seated to prevent leaks. Verify the pulley grooves align correctly with the serpentine belt. It is recommended to inspect the belt and tensioner for wear and replace if necessary. Follow vehicle-specific torque specifications for mounting bolts to avoid damage. Proper coolant refill and system bleeding are essential to remove air pockets and maintain cooling efficiency.

Quality Assurance and Warranty

The Metelli PA860 water pump is manufactured to meet OEM standards, using high-quality materials such as aluminium and cast iron for durability. The roller/ball bearing design enhances longevity and smooth operation. This product is new and includes a gasket for installation. Warranty coverage details should be confirmed with the distributor or manufacturer to ensure protection against defects.