Gates 42255 Engine Water Pump

Reliable Water Pump Replacement for Lexus and Toyota Vehicles

The Gates Water Pump (Standard) part number 42255 is engineered to provide dependable cooling system performance for select Lexus and Toyota models. Designed with durable materials and precise specifications, this engine water pump supports efficient engine temperature regulation for vehicles like the Lexus GS300, Toyota SC300, and Toyota Supra.

Key Features of Gates Water Pump 42255

• Housing made from cast aluminum for strength and corrosion resistance
• Cast iron impeller designed for durability and consistent coolant flow
• Standard impeller rotation compatible with original equipment
• Includes water pump and gasket for proper sealing
• Accessory belt drive style for straightforward installation
• Single outlet design matching OEM specifications
• Does not include back housing, thermostat, fan clutch, or pulley
• Not timing belt driven, suitable for accessory belt driven cooling systems

About the Gates Water Pump (Standard) Product Line

The Gates Water Pump (Standard) line focuses on delivering reliable engine water pumps that meet original equipment standards. This product line emphasizes quality materials such as cast aluminum housings and cast iron impellers to ensure long-lasting performance. The 42255 water pump is part of this line, providing a direct replacement solution for compatible Lexus and Toyota models without additional components like pulleys or fan clutches.

Detailed Product Description

The Gates 42255 engine water pump is designed to maintain optimal engine temperature by circulating coolant through the engine block and radiator. Its cast aluminum housing offers a lightweight yet robust structure resistant to corrosion, while the cast iron impeller ensures consistent coolant flow and durability under various operating conditions. The pump’s standard impeller rotation and accessory belt drive style align with the original equipment setup found in the Lexus GS300, Toyota SC300, and Toyota Supra. This water pump includes a gasket to help achieve a secure seal during installation but does not come with additional components such as a thermostat or pulley, which should be sourced separately if needed.

Common Applications and Issues Addressed

• Replacement for failing or leaking water pumps in Lexus GS300, Toyota SC300, and Supra
• Resolves overheating caused by inadequate coolant circulation
• Addresses coolant leaks due to worn or damaged pump housing or seals
• Prevents engine damage from overheating by restoring proper coolant flow
• Suitable for vehicles with accessory belt driven water pump systems

Installation Notes and Tips

• Ensure compatibility with Lexus GS300, Toyota SC300, or Supra before installation
• Replace the gasket included with the water pump to prevent leaks
• Inspect accessory belt condition and tension during installation
• Verify impeller rotation matches original equipment specifications
• Check cooling system for proper coolant levels and air pockets after installation

Quality Assurance and Warranty

Gates manufactures the 42255 water pump to meet industry standards for durability and performance. The use of cast aluminum and cast iron materials supports long service life under normal operating conditions. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.