Gates 42336 Engine Water Pump

Reliable Water Pump Replacement for Subaru Legacy

The Gates Water Pump (Standard) 42336 is engineered to provide dependable cooling system performance for your Subaru Legacy. Designed with durable materials and precise specifications, this engine water pump ensures efficient coolant circulation driven by the timing belt system.

• Housing made from cast aluminum for strength and heat resistance
• Cast iron impeller with reverse rotation for optimal coolant flow
• Includes water pump and gasket for proper sealing
• Timing belt driven with pulley included for direct fitment
• Two outlet ports to support cooling system requirements

About the Gates Water Pump (Standard) Product Line

The Gates Water Pump (Standard) line focuses on delivering reliable, OEM-quality water pumps designed to meet factory specifications. This product line emphasizes durable materials such as cast aluminum housings and cast iron impellers, ensuring long-lasting performance in standard engine cooling applications. The 42336 model fits within this line, providing a direct replacement water pump for Subaru Legacy vehicles that require timing belt-driven cooling components.

Detailed Product Description

This Gates engine water pump features a cast aluminum housing that offers excellent resistance to corrosion and heat, essential for maintaining engine temperature stability. The cast iron impeller is designed to rotate in reverse, matching the original equipment specifications for the Subaru Legacy. The pump includes a pulley and gasket but does not come with a back housing, thermostat, or fan clutch. It is specifically designed to be driven by the timing belt, ensuring synchronized operation with the engine’s camshaft and crankshaft. With two outlet ports, this water pump supports efficient coolant flow through the engine and radiator system.

Common Applications and Issues Addressed

• Replacement for worn or leaking water pumps in Subaru Legacy models
• Resolves overheating caused by impeller damage or corrosion
• Fixes coolant leaks due to gasket failure or housing cracks
• Restores proper coolant circulation in timing belt-driven engines
• Prevents engine damage from inadequate cooling system performance

Installation Notes and Tips

Ensure the timing belt is properly aligned and tensioned when installing this water pump to maintain engine timing accuracy. Use the included gasket to prevent coolant leaks and verify that the pulley is securely mounted. Since the pump does not include a thermostat or back housing, inspect these components separately and replace if necessary. Follow manufacturer torque specifications for all fasteners to avoid damage.

Quality Assurance and Warranty

Gates water pumps are manufactured to meet or exceed OEM standards, using high-quality cast aluminum and cast iron materials for durability. The Water Pump (Standard) 42336 undergoes rigorous quality control to ensure reliable performance in Subaru Legacy vehicles. Warranty details are provided by Gates and typically cover defects in materials and workmanship under normal use conditions.