The BOSCH Auxiliary Water Pump, identified by part code 0 986 338 400, is engineered for reliable performance in supplementary cooling systems. This pump plays a crucial role in maintaining optimal engine temperatures by ensuring consistent coolant flow, especially during periods of low engine speed or when auxiliary heating systems are engaged. Crafted with BOSCH's commitment to quality, this auxiliary water pump is built to meet stringent standards for durability and efficiency, ensuring long-term operation. Ensure your vehicle's cooling system functions optimally with this genuine BOSCH auxiliary water pump.