2 BOLT SAE B TYPE 1 SHAFT END COVER

On SAE B pump configurations, the shaft end cover closes off and supports the shaft end of the pump housing. Type 1 refers to the specific bore and port geometry defined under SAE standards for that mounting class. It's not interchangeable with Type 2 or other variants even if the bolt pattern looks the same, so matching the type number to your existing pump spec matters before ordering.