1937-1948 Water Pump Kit, Driver & Passenger Side 91603023

We got your back with our Water Pump Kit! Both water pumps and needed gaskets are included to simplify your engine build, so you spend more time and money on other of your project!Kit Contains: water pumps have always suffered from unreliable bronze and . They almost always leaked and even manuals warned not to tighten fan belts too . The excess slack allowed belts to slip and lose contact with the generator and water pump pulleys, causing more and problems. completely new water pumps feature severe- and ball bearings, close tolerances and modular to provide maximum flow and reduce cavitation. They also have ceramic on a 5/8" shaft, making the assembly exceptionally and more efficient. All mounting areas are spot faced for improved fit and sealing.For Wide Belt PumpsAll-new high-nickel iron castingsSevere- and ball bearingsCeramic on sturdy 3/4" shaftHigh-flow modular reduces cavitationGaskets includedFor systems with 5/8" drive beltsPulley diameter: 4.35"Belt Width: 0.63" replacement for 1937-1948 and cars and trucks. Includes gaskets.