The component with the lowest price in the WATER PUMP-THERMOSTAT schematic is the Bolt,flange,6x20.
A sample from the products for the Water Pump-thermostat include: Bolt,flange 6x75, Bolt,flange,6x45, Pump Comp,water, Cover,water Outlet.
With all the components that make up the CIVIC 1991 (M) 4DR DX (KA,KL) WATER PUMP-THERMOSTAT assembly. The Bolt,flang is the most frequently specified with three applications.