Mercedes Auxiliary Water Pump - Graf 000500038680

Product Information

An engine auxiliary water pump is a component in a vehicle's cooling system that helps circulate coolant to the engine, heater core, and supporting systems leveraging coolant like the turbocharger. It is particularly useful in systems where additional coolant flow is needed to maintain optimal operating temperatures, especially during low-speed driving or when the engine is idling.

• Overheating Engine: If the auxiliary water pump fails, it can lead to inadequate coolant circulation, causing the engine to overheat, especially in stop-and-go traffic or under heavy loads
• Coolant Leaks: A malfunctioning pump may develop leaks due to damaged seals or housing, resulting in visible coolant pooling under the vehicle
• Inconsistent Cabin Heating: If the pump is not circulating coolant properly, the heater may produce inconsistent or insufficient heat, leading to cold air blowing from the vents

About Graf

Since the early 1920's, Graf of Turin, Italy has quickly become well known as a reliable manufacturer of automotive parts. In the 1960's the company was was bought by a group of business men from Brescia and transferred to Rovato which is in the province of Brescia, Italy. The new management decided to concentrate the company's energies on the production and distribution of water pumps and brake discs for the independent spare parts market. In July '01 Metelli Co. acquired Graf Spa. In 2003, Graf had been merged by incorporation with Metelli Spa. Metelli Co. exports its products to over 90 countries throughout the world, covering all the continents: Europe, Africa, Asia, America and Oceania. This makes the company a true all-rounder, able to cater for the needs of different markets and, at the same time, convey the image of integrity and reliability that has always distinguished it. The firm has a very mixed customer base: from the independent aftermarket (I.A.M.), to the original equipment suppliers (OES), to the original equipment manufacturers (OEM).