Alpha One & Gen 2 Outdrive Parts *Drawings *Videos

Alpha 1 water pump guide tube *Lower unit part

Tube is used to guide the unit into the water pump housing OEM number: 23-29804T GLM aftermarket part number: 12820 Complete Alpha 1 stern drive water pump kit is also available Exploded view Mercruiser drawings Search by part number or description here

51140 Exhaust manifold elbow	P/N 51140 Mercruiser Alpha One exhaust manifold elbow/riser $219.99 Includes: P/N 30240 Elbow/riser gasket P/N 21892 plug P/N 22379 plug P/N 22381 x 4 mounting bolts
12120 water pump 46-44292A5	P/N 12120 water pump kit with housing - years 1984 - 1990 Serial numbers 6854393 - OD469858 $42.99 Includes: P/N 12322 / 46-44292A3 Pump base P/N 89840 / 47-89984T4 Impeller P/N 12410 / 46-96148T1 Housing P/N 12510 / 32435 Wear plate P/N 12820 / 23-29804T Guide tube P/N 11070 / 28-56654 Key P/N 12810 / 48752 Cup P/N 31010 / 27-85608-1 Gasket
12043 Impeller kit	P/N 12043 Gen 2 impeller kit with coupling for Gen 2 Alpha 1 Generation 2 (1991 and up) Serial numbers OD469859 and up. *Does not include housing. $44.99 Included: P/N 89630 / 47-43026T2 Impeller P/N 12824 / 816597A1 Coupling assembly P/N 85590 / 26-816575A2 Seal P/N 12500 / 817276-1 Wear plate P/N 30090 / 27-43033-1 Gasket P/N 82110 / 25-21836 O Ring P/N 31240 / 27-817277 Gasket
88020 Alpha One rebuild kit	P/N 88020 Outdrive service kit for MR/Alpha 1 1984-1990 $119.99 Parts included: P/N 87500 Upper housing seal kit P/N 12120 Water pump impeller kit P/N 87510 Lower unit seal kit
87510 Mercruiser Alpha One seal gasket kit 26-33144A2	P/N 87510 outdrive seal kit for 1967-1990 (s/n 2062141 - 0D469800) $44.99 Includes: P/N 21330 Slinger 25-30271 P/N 21010 bushing assembly 23-30617A2 P/N 85040 Oil seal 26-16977 P/N 12830 Seal 25-39970 P/N 81160 O-ring 25-30613 P/N 85070 Oil seal 26-89238 P/N 81390 O-ring 25-90011 P/N 81180 O-ring 25-25439 P/N 31020 Gasket 25-858524 P/N 31050 Gasket 27-42631-1 P/N 31010 Gasket 27-85608-1 P/N 85700 Oil seal 26-12224 P/N 85581 Oil seal 26-816464 P/N 85140 Seal 26-45577-1
12110 Mercruiser Water pump kit 46-57234A3	P/N 12110 Mercruiser water pump kit with housing. For years 1970 - 1983 Serial numbers 2763442 - 6854392 $44.99 Includes: P/N 12410 / 46-96148T1 Pump housing P/N 89840 / 47-89984T4 Impeller P/N 12820 / 23-29804T Guide tube P/N 11070 / 28-56654 Key P/N 12310 / 46-57234T1 Pump base P/N 12810 / 48752 Cup P/N 12510 / 32435 Wear plate P/N 31010 / 27-85608-1 Gasket

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