Alpha One & Gen 2 Outdrive Parts *Drawings *Videos
Mercruiser Alpha One Water Pump Key
Impeller Key / Lower Unit Water Pump Assembly
GLM P/N 11070 key replaces Mercury OEM 28-56654Compatible with all models up to 1990 (does not work with Alpha Generation 2, 1991 and up)Exploded view Alpha 1 drawingsIncluded in water pump impeller kits
11070 Key Alpha One Impeller 28-56654
P/N 11070 Water pump impeller keys (1 unit)OEM 28-56654 $4.95
Customers who ordered P/N 21870 also purchased:
P/N 12120 Complete Mercruiser lower unit stern drive water pump rebuild kit. Works with 1983 - 1990 models, serial numbers 6854393-OD469858. Includes key. $42.99
12110 Water Pump Impeller Kit Mercruiser
P/N 12110 Water pump impeller kit, for pre-alpha lower units 1970 - 1982, serial numbers 2763442-6854392. Includes key. $44.99
P/N 87510 Lower unit seal kit, works with 1970 - 1990 models. Replaces OEM 26-33144A2. $42.95
P/N 39622 Stern drive bell housing gasket kit. Make sure to use a gasket sealing compound (available below). Replaces OEM 27-94996A2. $9.95
P/N 508235 Small gasket sealant 4 ounce. $24.95
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