Mercruiser Alpha One lower gearcase washer set

Alpha One & Gen 2 Outdrive Parts *Drawings *Videos

Mercruiser Alpha One lower gearcase washer set

GLM aftermarket parts stern drive 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

90095 Bearing carrier puller in the lower unit

P/N 90095 Prop and bearing carrier puller $104.99