Mercruiser outdrive parts | Alpha one lower unit repairs

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Mercruiser Alpha One Water Pump Kit Parts

Outdrive lower unit impeller kit with housing (1983 - 1990)

  • Replaces Mercury OEM 46-44292A5, Sierra 18-3320
  • Compatible with MR and Alpha One (1983 - 1990) water pump kit
  • For lower unit models with serial numbers 6854393-OD469858
  • Works with 4 cylinder, 4.3L V6 and all V8 models
  • List of parts shown below with OEM Mercury cross reference numbers
  • Includes impeller and housing

W 12120 Water pump

12120 Water pump

$37.95 USD

$47.95 Canadian

Included:

12321 46-57234A1 Pump Base
12410 46-96148T1 Pump 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

 

Customers also purchased:

   
89840 Impeller

89840 Impeller

P/N 89840 Mercruiser impeller (1966 - 1990)

47-89984T4

$15.95

$19.95

87510
87510 seal kit
P/N 87510 Gasket / seal kit for 1967 - 1990 Mercruiser models, including MC-1, R, MR and Alpha 1 Gen 1

26-33144A2

$38.95

$50.95

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.

$24.95

$32.95