Gates 42591 Engine Water Pump

Reliable Water Pump Replacement for Ford and Mercury Vehicles

The Gates Water Pump (Standard) part number 42591 is designed to provide dependable cooling system performance for select Ford and Mercury models. Engineered with durable materials and precise specifications, this engine water pump supports efficient engine temperature regulation.

Key Features of Gates Water Pump 42591

• Housing made from cast aluminum for strength and corrosion resistance
• Plastic impeller designed for effective coolant flow
• Reverse impeller rotation to match specific engine requirements
• Includes metal gasket for proper sealing
• Accessory belt drive style for compatibility with belt-driven cooling systems
• Does not include back housing, thermostat, fan clutch, or pulley
• Not timing belt driven

Detailed Description of the Water Pump (Standard) Line

The Gates Water Pump (Standard) product line focuses on providing reliable, OEM-quality water pumps that meet or exceed original equipment specifications. This line is engineered to maintain proper engine cooling by ensuring consistent coolant circulation. The 42591 water pump features a cast aluminum housing that offers durability and resistance to corrosion, while the plastic impeller is designed to optimize coolant flow with reverse rotation to suit specific engine configurations. This pump is driven by the accessory belt, making it compatible with belt-driven cooling systems found in certain Ford and Mercury vehicles.

Compatible Vehicles and Common Applications

This water pump is compatible with the following makes and models:

• Ford Five Hundred
• Ford Freestyle
• Mercury Montego

It is designed to replace the original engine water pump in these vehicles, ensuring proper engine temperature management and preventing overheating issues.

Common Issues Addressed by Water Pump Replacement

• Engine overheating due to coolant circulation failure
• Coolant leaks from worn or damaged pump housing or gasket
• Reduced engine performance caused by inefficient cooling
• Noise or vibration from failing impeller or pump bearings
• Preventative maintenance to avoid engine damage

Installation Notes and Tips

When installing the Gates Water Pump 42591, ensure the accessory belt is properly tensioned and aligned. Use the included metal gasket to achieve a secure seal and prevent coolant leaks. Since this pump does not include a pulley or fan clutch, reuse the existing components from the original assembly. Verify compatibility with your vehicle’s engine configuration, especially regarding impeller rotation direction and drive style.

Quality Assurance and Warranty

Gates water pumps are manufactured to meet strict quality standards, using durable materials such as cast aluminum housings and engineered plastic impellers. While specific warranty details are not provided here, Gates typically offers coverage against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.