Metelli PA991 Engine Water Pump

Reliable Engine Water Pump for Buick, Cadillac, Chevrolet, and More

The Metelli PA991 engine water pump is designed to maintain optimal engine temperature and ensure efficient cooling for a wide range of vehicles. Compatible with popular models such as the Buick LaCrosse, Cadillac CTS, Chevrolet Camaro, and GMC Terrain, this water pump includes a gasket for a secure seal and reliable performance.

• New engine water pump with included gasket
• Durable aluminium housing for lightweight strength
• Metal impeller with 6 vanes for effective coolant flow
• Roller/ball bearing type with 30mm outside diameter for smooth operation
• Impeller outside diameter of 75.5mm optimized for fitment

Technical Details and Construction

The Metelli PA991 water pump features a robust aluminium housing that provides corrosion resistance and durability under high-temperature conditions. The metal impeller, equipped with six vanes, is engineered to deliver consistent coolant circulation, preventing engine overheating. The roller/ball bearing with a 30mm outside diameter ensures reduced friction and long service life. This new water pump comes complete with a gasket to facilitate a proper seal during installation, minimizing the risk of leaks.

Compatible Vehicles and Applications

This engine water pump is compatible with a variety of makes and models, including Buick LaCrosse, Cadillac ATS, Chevrolet Equinox, GMC Acadia, Pontiac G6, Saab 9-3, Saturn Vue, and Suzuki Grand Vitara. The PA991 part number is specifically designed to meet the cooling system requirements of these vehicles, ensuring proper fit and function.

• Replaces faulty or leaking water pumps
• Restores proper coolant circulation to prevent engine overheating
• Eliminates noise or bearing wear issues in the cooling system
• Addresses coolant leakage caused by worn seals or gaskets
• Improves engine temperature regulation for consistent performance

Installation Notes and Tips

When installing the Metelli PA991 water pump, ensure the gasket is properly seated to prevent coolant leaks. It is recommended to inspect the cooling system hoses and thermostat during replacement to maintain overall system integrity. Use manufacturer torque specifications for mounting bolts to avoid damage to the aluminium housing.

Quality Assurance and Warranty

Metelli manufactures the PA991 water pump to meet strict quality standards, using durable materials such as aluminium and metal impellers. The inclusion of a gasket ensures a reliable seal. This new water pump is backed by Metelli's quality assurance processes, providing confidence in its performance and longevity.