Gates 42147 Engine Water Pump

Reliable Water Pump Replacement for Mercedes-Benz Models

The Gates Water Pump (Standard) part number 42147 is engineered to provide dependable cooling system performance for select Mercedes-Benz vehicles. Designed with durable materials and precise specifications, this engine water pump supports efficient engine temperature regulation.

• Housing made from cast aluminum for strength and heat dissipation
• Cast iron impeller ensures durability and consistent coolant flow
• Standard impeller rotation compatible with original equipment
• Single outlet design for straightforward installation
• Accessory belt drive style for reliable power transfer
• Does not include back housing, thermostat, fan clutch, or pulley
• Compatible with Mercedes-Benz 300D, 300SD, 300SDL, 300TD, 350SD, 350SDL, E300, and S350 models

About the Gates Water Pump (Standard) Product Line

The Gates Water Pump (Standard) line focuses on providing quality engine water pumps that meet OEM specifications without additional components such as pulleys or thermostats. This approach allows for straightforward replacement of the water pump itself, ensuring compatibility and ease of maintenance for vehicles like the Mercedes-Benz 300D and 350SDL. Part number 42147 exemplifies this line by offering a robust cast aluminum housing and cast iron impeller designed for long-term service.

Product Details and Specifications

This engine water pump features a cast aluminum housing that offers excellent resistance to corrosion and heat, helping maintain structural integrity under demanding operating conditions. The cast iron impeller is designed for durability and efficient coolant circulation, rotating in the standard direction to match factory configurations. The pump is driven by the accessory belt, eliminating the need for timing belt compatibility. With a single outlet, it fits the cooling system layout of various Mercedes-Benz models including the 300SD and E300. Note that this water pump does not include the back housing, thermostat, fan clutch, or pulley, so those components must be sourced separately if needed.

Common Applications and Problem Resolution

• Replacement for worn or leaking water pumps in Mercedes-Benz 300D and 300SDL
• Addresses overheating issues caused by failing impellers or housings
• Restores proper coolant flow to prevent engine damage
• Solves coolant leaks from cracked or corroded pump housings
• Maintains engine temperature stability for models like the 350SD and S350

Installation Notes and Tips

When installing the Gates Water Pump (Standard) 42147, ensure the accessory belt is properly tensioned to avoid slippage. Verify that the mating surfaces are clean and free of old gasket material to prevent leaks. Since this pump does not include a pulley or thermostat, confirm compatibility with existing components or replace as necessary. Follow manufacturer torque specifications for mounting bolts to maintain proper sealing and alignment.

Quality Assurance and Warranty

Gates water pumps are manufactured to meet or exceed OEM standards, using high-quality materials such as cast aluminum and cast iron for durability. While specific warranty details for part number 42147 should be confirmed at the point of purchase, Gates typically offers coverage against defects in materials and workmanship to ensure reliable performance in Mercedes-Benz 300D, 300SD, and related models.