Mercruiser Alpha One Parts and Repairs

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Mercruiser Alpha one water pump kit

4 cylinder, V6 and V8 GM and Chevy outdrives

  • All kits include gaskets, o-rings and impeller
  • When installing, make sure to use gasket sealing compound on o-rings and gaskets (shown below)
  • 1967 - 1990 models (up to Alpha One gen 1)

Photo

Description / OEM #

Price
(USD)

Price
(Canadian)

12110

12110 Water pump kit

P/N 12110 lower unit water pump kit (1970 - 1983, serial numbers 2763442-6854392)

Parts included:

12312 46-57234T1 Base
12410 46-96148T1 Housing
12510 32435-1 Wear Plate
12820 23-29804T Guide Tube
21330 25-30271 Slinger
31010 27-85608-1 Gasket
31020 27-858524 Gasket
31040 27-856704 Gasket
31170 (2) 12-19183-3 Gasket
81160 25-30613 O-ring
85140 26-45577-1 Seal
89840 47-89984T4 Impeller

$40.00

$53.95

88010 Service kit

88010 Service

P/N 88010 Complete rebuild, includes upper and lower unit seals and gaskets. (1970 - 1983, serial numbers 2763442-6854392)

$89.00

$111.00

12120

12120 Alpha 1

P/N 12120 Impeller kit for Mercruiser outdrives with housing (1984 - 1990 serial numbers 6854393-OD469858)

Parts included:

12321 46-57234A1 Base
12410 46-96148T1 Housing
12510 32435-1 Wear Plate
12820 23-29804T Guide Tube
21330 25-30271 Slinger
31010 27-85608-1 Gasket
31020 27-858524 Gasket
31040 27-856704 Gasket
31170 (2) 12-19183-3 Gasket
81160 25-30613 O-ring
85140 26-45577-1 Seal
89840 47-89984T4 Impeller

$35.00

$44.00

88020

88020

P/N 88020 Outdrive service, includes impeller and upper housing and lower gearcase seal kit. (1984 - 1990 serial numbers 6854393-OD469858)

$89.00

$111.00

12130

12130 Mercruiser impeller MC-1

P/N 12130 Parts (1966 - 1969, serial numbers 2495186-2763441)

$66.00

$83.00

12290-7-89984T5

12290

P/N 12290 Impeller service, without housing. (1966 - 1990, serial numbers 2495186-OD469858)

Parts included:
12510 32435-1 Wear Plate
12820 23-29804T Guide Tube
12830 26-38970 Grommet
21330 25-30271 Slinger
31010, 31020, 31030, 31040 Gaskets
31170 (2) 12-19183-3 Gasket
81390, 81160, 82260, 82250 O-ring
85140 26-45577-1 Seal
89840 47-89984T4 Impeller

$25.00

$31.00

39530-Gaskets

39530

P/N 39530 Pump housing gasket and seal, without housing. (1966 - 1990, serial numbers 2495186-OD469858)

$20.00

$25.00

12043 47-43026K06

12043

P/N 12043 Impeller kit (1991 and up Alpha One Generation 2, serial numbers OD469859 & Up)

Parts included:
11071 Key
12500 Wear plate
12824 Coupling Assembly
30009 Gasket
31170 Gasket
31240 Gasket
85140 Seal
85590 Seal
89630 Impeller

$37.95

$49.95

12080 Gen 2

12080 Gen 2

P/N 12080 Impeller (1991 and up Generation 2, serial numbers OD469859 & Up)

Parts included:
12341 Carrier assembly
12500 Wear plate
30009 Gasket
31240 Gasket
89630 Impeller

$57.00

$72.00

89840 Impeller

89840 Impeller

P/N 89840 Impeller, 1966-1990 (MC-1, R, MR, Alpha 1 serial numbers 2495186-OD469858)

47-89984T4

$16.00

$21.00

89630 Impeller 47-43026T2

89630

P/N 89630 Impeller, 1991 - present Generation 2, serial numbers OD469859 and up)

47-43026T2

$19.00

$23.00

508235 OMC Johnson Compound

508235 OMC Johnson Compound

P/N 508235 Gasket sealing compound. This sealant is used on the o-rings and gaskets when re-sealing the outdrive.

$19.00

$23.00