AISIN® TKT-018 - Timing Belt Kit Select applications offer AISIN water pumps with housing. AISIN OE, NTN OE or Korean Hydraulic Tensioner in select applications. The highest quality materials are used, creating stronger body design and resistance to corrosion. Timing Belt With Water Pump Reviews For AISIN Engine Timing Belt Kit W/Water Pump | Pg 1 - The Home Depot OE Timing Components I bought mine straight from AISINs Amazon page. Came very fast and verified everything was authentic. 10/10 satisfied OE matched Idler Bearing, and Tensioner Bearing (Koyo, NSK, INA, or Korean OE brands) Aisin water pumps provide optimal cooling without creating excess load to the engine, and the advanced aluminum die-cast technology allows for size and weight reductions without sacrificing cooling performance. What is wrong with my 2006 Toyota Tundra's water pump OE matched Timing Belt supplied by Mitsuboshi or Gates.