Water pump with gasket. Total height measured on axle: 3.66" 93mm. Total height: 5.59" 142mm. Mounting holes: 4. Fits H15, H20-II, H25-II engines. Mechanical seal made of ceramic and carbon for durability, to resist heat and leakage, and to help minimize noise. Bearings are press-fitted with 3 tons of pressure to enhance smooth rotation. Hub is precision manufactured to help prevent water leakage while the engine is running. Fan is made of blades to help minimize cavitation for durability. Fits Nissan, TCM, Komatsu, Allis Chalmers, Crown, Caterpillar, Daewoo, Mitsubishi, Toyota, Yale and other brands.