Mercruiser outdrive parts *Alpha 1 lower unit *Repairs

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Mercruiser Water Pump

MC-1 / R models (1970 - 1982) outdrive lower unit
impeller kit with housing

  • Replaces Mercury 46-57234A3, Sierra 18-3317
  • Mercruiser MC-1 and R (1970 - 1982) sterndrive water pump kit
  • For lower unit models with serial numbers 2763442-6854392
  • Works with 4 cylinder, 4.3L V6 and all V8 models
  • Parts included shown below with OEM Mercury cross reference numbers
  • Includes impeller and housing (check serial number)

W 12110 Water pump kit

12110 Water pump kit

$44.95 USD

$53.95 Canadian

Parts included:

12310 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

 

87510 Seal kit

87510 seal kit

Customers also purchased:

 

Price
(USD)

Price
Canadian

21950 Bellows kit

Bellows Kit

P/N 21950 Mercruiser lower unit transom service kit, includes accordion style exhaust (1973 - 1990, serial numbers 3469428 - 0D469858)

30-803097T1

Parts included:
21905 Gimbal Bearing
85910 Oil seal
39622 Outdrive installation gasket Kit
47110 Water Hose 3/4 inch
47120 Hose 5/8 inch
89050 U-Joint tube
89080 Shift Cable tube
89100 Exhaust tube

$145.95

$192.95

87500 Mercruiser upper housing gaskets 26-32511A1

87500 Mercruiser upper housing gaskets

P/N 87500 Seal kit

1964 - 1990 models

serial numbers
(1684188 - 0D469858)

26-32511A1

$24.95

$30.00

87501 Alpha One Gen 2 upper 26-88397A1

87501

P/N 87501 Alpha 1 Generation 2

upper gear housing seal / gasket kit

(1991 and up,
S/N 0A54004 - up)

26-88397A1

$25.95

$33.95

58232 GLM exhaust manifold kit 1983-2001

58232 GLM exhaust manifold kit 1983-2001

P/N 58231 / 58232 Complete Mercruiser GM V8 manifold set with 3 inch or 4 inch riser.
Included

P/N 51230 Cast iron manifold assembly
860246Q11 x 2

P/N 51110 / 98504A3 or 51140

807988A2 Elbow - riser (3 inch or 4 inch) x 2

P/N 31100 Gasket 27-33395 x 2

P/N 30240 Gasket 27-863724 x 2

P/N 13991 90 degree hose fitting 22-806926 x 2

P/N 13992 Drain plug 22-806608A02 x 2

P/N 80140 O-ring for plug 25-45253 x 2

P/N 22391 Stud 16-49545 x 8

P/N 21248 Locknut 11-46335 x 8

$599 US

$791 CDN

51110 Elbow cast iron 3 inch

51110 Elbow cast iron 3 inch

   

P/N 51110 Elbow with mounting gasket - 3 inch 15 degree at hose connection / 98504A3

Model, CID, Year and Serial number for small block GM engines

185 229 V6 1985-1986 6330183-6919655 (4bbl)

185 262 V6 1985-1986 0A331455-0B527954 (2bbl)

205 262 V6 1985-1986 S/N 0A331455-0B527954

200 305 V8 1985-1987 S/N 6899058-0B525981

228 305 V8 1983-1995 S/N 6218462-0F600999

230 305 V8 1985-1987 S/N 6899269-0B525981

898 305 V8 1983-1984 S/N 6218462-68990571

260 350 V8 1983-1987 S/N 6218462-0B773304

260 350 V8 1981-1987 S/N 5907058-0F024999

$147 US

$194 CDN