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Engine Coolant Hose, Coupler to Pump, M-25, M-25XP, M-35A

Part #: Z4021
OEM molded coolant hose for the Universal engines. It is installed between the custom coupler and the fresh water pump as part of the run from the heat exchanger to the water pump.
Coolant hose for the Universal M-25s, M-35As, and M-25XPs that have the alternator bracket retrofit installed. See "May we also suggest:" to see if your engine may not need the alternator retrofit retrofit kit that includes this hose.

The earlier Universal M-35 model uses a different hose part number for this application.

It corresponds to part number 12 in the exploded view of the cooling system.
• Inside diameter: 1"
• Straight line measurement, cntr of inlet to cntr of outlet: about 4-1/2"