Timing belt driven water pumps should always be replaced at the same time as the timing belt to reduce warranties, customer comebacks, and preserve long-term system performance. Gates timing belt component kits with water pumps give you and your customers a complete repair solution, featuring the OE timing belts, pulleys and tensioners from the standard Gates timing component kits, plus our long-lasting, efficient cooling vehicle water pump. Hydraulic tensioners come with kits as necessary.