Gates 43171 Engine Water Pump

Reliable Water Pump Replacement for Mercedes-Benz E320 and S320

The Gates Water Pump (Standard) part number 43171 is engineered to provide dependable cooling system performance for Mercedes-Benz E320 and S320 models. Designed with durable materials and precise specifications, this engine water pump supports efficient engine temperature regulation.

Key Features of Gates Water Pump 43171

• Housing made from cast aluminum for strength and corrosion resistance
• Cast iron impeller with standard rotation for consistent coolant flow
• Includes water pump, 2 hollow pins, pipe, and o-ring for proper sealing
• Accessory belt drive style compatible with specified Mercedes-Benz models
• Four outlet quantity to support coolant distribution
• Does not include back housing, thermostat, fan clutch, or pulley
• Not timing belt driven, designed specifically for accessory belt drive systems

About the Gates Water Pump (Standard) Product Line

The Gates Water Pump (Standard) line focuses on delivering reliable engine water pumps that meet OEM specifications for a range of vehicles. This product line emphasizes durable construction and precise fitment, ensuring compatibility and performance for vehicles like the Mercedes-Benz E320 and S320. The 43171 model exemplifies this approach with its cast aluminum housing and cast iron impeller, designed to maintain optimal engine cooling.

Detailed Product Description

This Gates engine water pump features a cast aluminum housing that offers a balance of lightweight design and corrosion resistance, essential for long-term durability in automotive cooling systems. The cast iron impeller is engineered for standard rotation, providing consistent coolant circulation through the engine. The pump is driven by the accessory belt, making it suitable for Mercedes-Benz E320 and S320 models that utilize this drive style. The package includes the water pump itself along with two hollow pins, a pipe, and an o-ring to ensure proper installation and sealing. Note that this water pump does not include a back housing, thermostat, fan clutch, or pulley, so those components must be sourced separately if needed.

Common Applications and Issues Addressed

• Replacement for failing or leaking water pumps in Mercedes-Benz E320 and S320
• Resolves engine overheating caused by inadequate coolant circulation
• Addresses coolant leaks due to worn or damaged pump housing or seals
• Restores proper accessory belt-driven water pump function
• Prevents engine damage related to cooling system failure

Installation Notes and Tips

Ensure compatibility with your Mercedes-Benz E320 or S320 before installation by verifying part number 43171. Since this water pump does not include a pulley or fan clutch, inspect these components separately and replace if necessary. Properly torque all mounting bolts and replace any gaskets or seals to prevent leaks. Follow manufacturer guidelines for accessory belt tension and alignment to maintain optimal pump performance.

Quality Assurance and Warranty

Gates water pumps are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. While specific warranty details for part number 43171 should be confirmed at the point of purchase, Gates typically offers coverage against defects in materials and workmanship. Using a Gates Water Pump (Standard) helps maintain the integrity of your Mercedes-Benz cooling system.