Gates 42251 Engine Water Pump

Reliable Water Pump Replacement for Lexus and Toyota Vehicles

The Gates Water Pump (Standard) part number 42251 is designed specifically for Lexus Land Cruiser and Toyota LX450 models. Engineered to maintain optimal engine cooling, this water pump ensures consistent performance and durability for your vehicle's cooling system.

Key Features of Gates Water Pump 42251

• Housing made from cast aluminum for strength and corrosion resistance
• Stamped steel impeller with standard rotation for efficient coolant flow
• Accessory belt drive style compatible with specified vehicle models
• Includes water pump, gasket, and four double-end studs for proper sealing and mounting
• Does not include back housing, thermostat, fan clutch, or pulley
• Not timing belt driven, designed for accessory belt operation

Detailed Description of the Water Pump (Standard) Line

The Gates Water Pump (Standard) product line focuses on providing dependable engine water pumps that meet OEM specifications for a range of vehicles. This line emphasizes durable materials such as cast aluminum housings and stamped steel impellers to ensure long service life and reliable coolant circulation. The 42251 water pump is tailored for Lexus Land Cruiser and Toyota LX450 models, offering a direct replacement that supports the accessory belt drive system without additional components like pulleys or fan clutches.

Common Applications and Issues Addressed

• Replacement of worn or leaking water pumps in Lexus Land Cruiser and Toyota LX450
• Resolving engine overheating caused by inefficient coolant circulation
• Addressing coolant leaks due to damaged pump housing or seals
• Restoring proper accessory belt-driven water pump function
• Maintaining engine temperature stability for optimal performance

Installation Notes and Tips

When installing the Gates Water Pump 42251, ensure the gasket is properly seated to prevent leaks. This water pump is designed for accessory belt drive systems and does not include a pulley or fan clutch, so reuse existing components if applicable. Verify compatibility with Lexus Land Cruiser and Toyota LX450 models before installation. Proper torque specifications should be followed for the double-end studs to secure the pump housing.

Quality Assurance and Warranty

Gates water pumps are manufactured to meet industry standards for durability and performance. The Water Pump (Standard) line undergoes rigorous quality control to ensure reliable operation. While specific warranty details are not provided here, Gates typically offers coverage against manufacturing defects. Consult product documentation or authorized sources for warranty terms related to part number 42251.