Gates 43266 Engine Water Pump

Reliable Cooling Solution for Mercedes-Benz Engines

The Gates Water Pump (Standard) part number 43266 is engineered to provide dependable engine cooling for select Mercedes-Benz models, including the C36 AMG, C280, and SL320. Designed with durable materials and precise specifications, this water pump supports optimal engine performance and temperature regulation.

• Housing made from cast aluminum for lightweight durability
• Cast iron impeller with standard rotation for efficient coolant flow
• Includes water pump, 2 plain washers, and 2 plugs
• Accessory belt drive style for compatibility with factory setups
• Equipped with two outlets to support cooling system requirements

About the Gates Water Pump (Standard) Product Line

The Gates Water Pump (Standard) line focuses on providing quality replacement water pumps that meet original equipment specifications. This product line emphasizes reliable materials such as cast aluminum housings and cast iron impellers to ensure consistent performance and longevity. The 43266 water pump is part of this line, designed to maintain proper engine cooling without including additional components like pulleys or fan clutches, allowing for straightforward integration with existing vehicle parts.

Product Details and Specifications

This engine water pump features a cast aluminum housing that offers corrosion resistance and reduced weight, contributing to overall engine efficiency. The cast iron impeller is built for durability and standard rotation, matching the original equipment design for the Mercedes-Benz C36 AMG, C280, and SL320 models. The pump operates via an accessory belt drive style and includes two outlets to accommodate the vehicle's cooling system layout. Note that this water pump does not include a back housing, thermostat, fan clutch, or pulley, focusing solely on the core pump assembly.

Common Applications and Problem Resolution

• Replacement for worn or leaking water pumps in Mercedes-Benz C36 AMG, C280, and SL320
• Addresses engine overheating caused by failing impellers or housings
• Resolves coolant circulation issues due to damaged or corroded pump components
• Prevents engine damage from inadequate cooling system performance
• Supports maintenance of factory accessory belt-driven cooling systems

Installation Notes and Tips

When installing the Gates Water Pump (Standard) 43266, ensure the accessory belt is properly tensioned to avoid premature wear. Verify that the cooling system is flushed and free of debris before installation to maximize pump lifespan. Since the pump does not include a pulley or fan clutch, reuse existing components or source replacements separately as needed. 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 43266 should be confirmed at the point of purchase, Gates typically offers limited warranties covering defects in materials and workmanship. This ensures confidence in the product's reliability for Mercedes-Benz C36 AMG, C280, and SL320 applications.