Gates 42243 Engine Water Pump

Reliable Water Pump Replacement for Toyota 4Runner and Pickup

The Gates Water Pump (Standard) part number 42243 is engineered to provide dependable cooling system performance for Toyota 4Runner and Pickup models. Designed with durable materials and precise specifications, this engine water pump supports efficient engine temperature regulation.

Key Features of Gates Water Pump 42243

• Housing made from cast aluminum for strength and corrosion resistance
• Cast iron impeller designed for durability and effective coolant flow
• Reverse impeller rotation to match specific engine requirements
• Includes water pump, gasket, and o-ring for proper sealing
• Timing belt driven with included pulley for direct integration
• Does not include back housing, thermostat, or fan clutch

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 original equipment specifications. This line is designed to offer consistent performance and durability for standard cooling system applications. The 42243 water pump features a cast aluminum housing and a cast iron impeller, materials chosen to withstand the thermal and mechanical stresses of engine operation. Its reverse impeller rotation and timing belt drive style ensure compatibility with specific Toyota 4Runner and Pickup engines, maintaining proper coolant circulation and engine temperature control.

Applications and Common Issues Addressed

• Replacement for worn or leaking water pumps in Toyota 4Runner and Pickup vehicles
• Resolves overheating caused by impeller wear or failure
• Fixes coolant leaks due to gasket or o-ring degradation
• Addresses timing belt driven water pump failures affecting engine cooling
• Prevents engine damage from inadequate coolant circulation

Installation Notes and Tips

When installing the Gates Water Pump 42243, ensure the timing belt is properly aligned and tensioned to avoid premature wear. Use the included gasket and o-ring to achieve a secure seal and prevent coolant leaks. Since the back housing, thermostat, and fan clutch are not included, verify these components separately for wear or damage during installation. Follow manufacturer torque specifications for mounting bolts to maintain proper pump function.

Quality Assurance and Warranty

Gates water pumps are manufactured to meet strict quality standards, ensuring reliable operation in demanding automotive environments. The Water Pump (Standard) line undergoes rigorous testing for durability and performance. While specific warranty details are not provided here, Gates typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.