Gates 42586 Engine Water Pump

Reliable Water Pump Replacement for Buick, Chevrolet, Pontiac, and Saturn

The Gates Water Pump (Standard) 42586 is engineered to provide dependable cooling system performance for select Buick, Chevrolet, Pontiac, and Saturn vehicles. Designed with durable materials and precise specifications, this engine water pump supports efficient engine temperature regulation.

Key Features of Gates Water Pump 42586

• Housing made from cast aluminum for strength and corrosion resistance
• Stamped steel impeller designed for standard rotation
• Includes water pump and metal gasket for proper sealing
• Accessory belt drive style compatible with specified vehicles
• Does not include back housing, thermostat, fan clutch, or pulley
• Not timing belt driven, suitable for accessory belt driven systems

Detailed Description of the Gates Water Pump (Standard) 42586

This Gates Water Pump (Standard) 42586 features a cast aluminum housing that offers durability and resistance to corrosion, essential for maintaining long-term cooling system integrity. The stamped steel impeller is designed for standard rotation, ensuring consistent coolant flow through the engine. This pump is driven by the accessory belt, making it compatible with vehicles that utilize this drive style. The package includes the water pump and a metal gasket to ensure a secure and leak-free installation. It does not include additional components such as the back housing, thermostat, fan clutch, or pulley, so those parts must be sourced separately if needed.

The Water Pump (Standard) product line from Gates focuses on providing reliable, OEM-quality water pumps that meet or exceed original equipment specifications. This line is intended for standard replacement applications where durability and fitment accuracy are critical.

Compatible Vehicles and Common Applications

• Buick models including Lucerne, Terraza, and Rendezvous
• Chevrolet models such as Impala, Malibu, Montana, and Uplander
• Pontiac G6 and Montana
• Saturn Aura and Vue

This water pump is designed to address issues such as:

• Engine overheating due to coolant circulation failure
• Coolant leaks from worn or damaged water pump seals
• Noise or rough operation caused by impeller damage
• Reduced engine performance related to cooling inefficiency
• Premature engine wear from inadequate temperature control

Installation Notes and Tips

When installing the Gates Water Pump 42586, ensure the mating surfaces are clean and free of old gasket material to prevent leaks. Use the included metal gasket for proper sealing. Verify that the accessory belt is in good condition and properly tensioned after installation. Since this pump does not include a pulley or fan clutch, inspect those components separately and replace if necessary. Follow vehicle-specific service manual instructions for torque specifications and installation procedures.

Quality Assurance and Warranty

Gates water pumps are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Water Pump (Standard) line is designed to match OEM specifications for fit and function. While specific warranty details are not provided here, Gates typically offers limited warranties on their water pumps covering defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.