For Kubota D650 D750 D850 D950 B7100 (tractor) engines.
Our replacement water pump has a sleeve fitted into the bypass hole for the brass pipe from your old unit to be fitted (see second picture of original pump in blue) . You MUST retain this pipe from your old unit for fitting to the new water pump.
Use ptfe tape or a similar sealant when re-fitting this pipe to the pump.
Waterpump for D650 D750 D850 D950 B7100 tractor
Ref: Type B7100. This water pump has a brass bypass elbow fitted. You must retain this elbow from your old pump.