Alpha One & Gen 2 Outdrive Parts *Drawings *Videos

Mercruiser Alpha One lower gearcase washer set

3 washers included in set OEM number: 12-36010 GLM Marine part number: 21720 Fits MC-1, R, MR Alpha one outdrives Exploded view Merc drawings

21720 washers P/N 21720 Washer $4.95 Water pump washer come in packed in units of (3) and used with MC-1, R, MR Alpha one outdrives. Customers who ordered P/N 21720 also purchased: GLM 12120 Water pump P/N 12120 Outdrive lower gear case water pump impeller kit. For Alpha One 1984-1990 models. Replaces Sierra 18-3320. $42.99 90095 Bearing carrier puller in the lower unit P/N 90095 Prop and bearing carrier puller $104.99

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