Electric Auxiliary Coolant Pump | MERCEDES-BENZ CL63AMG CL550 MAYBACH S550 | Replaces: 2218350164 , 221835016428 - Motiv8

Electric Auxiliary Coolant Pumps for MERCEDES-BENZ 2007-2014 2218350164 & 221835016428 Electric Auxiliary Coolant Pumps circulate coolant through the cooling system to provide cooling of not only the engine but also inverters, batteries, turbochargers, HVAC systems, and assists start-stop vehicles in engine-off conditions. If the engine temperature light is illuminated or the pump makes high pitch screeching noises than it's most likely time for a new coolant pump. This part is used in the engines of unique MERCEDES-BENZ cars 2007-2014 Contaminated coolant, corrosion, or particles in the coolant can cause seals and internal pump parts to fail. Thus, before replacing your electric auxiliary coolant pump, ensure to flush the coolant system and use only the correct engine coolant as specified in the owner's manual. If the coolant system is not flushed, there is a chance the failure can return due to particles in the coolant damaging the pump impeller. Secondly, using the incorrect c