Mercruiser outdrive parts *Alpha 1 lower unit *Repairs

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Mercruiser Alpha One Outdrive Replacement

New and rebuilt sterndrives for 4 Cylinder, V6 and V8

  • GLM Marine replacement gearcases with full 2 year warranties
  • Compatible with 1970 - present models
  • Mercruiser, MR, Alpha 1 and Gen 2 models
  • All gear ratios available for all motors, 4 cylinder, V6 and V8
  • No core charge required on all outdrives

Replacement Lower Units

Description
OEM #

Price
USD

Price
Canadian

18100 Mercruiser Lower Unit 1623-8951A43

18100 Mercruiser Lower Unit

P/N 18100 New lower unit assembly for all ratios and motors, up to 300 hp. 2 year warranty

(1970 - 1990, MC-1, R/MR and Alpha One, serial numbers 2791957 - 0A545003)

1623-8951A43

$1399.95

$1846.95

18300 Alpha One Gen 2 Outdrive 1623-815822A53

18300 Alpha One Gen 2 Outdrive

P/N 18300 Lower gearcase assembly for Alpha 1 Generation 2 models, up to 300 hp. 2 year warranty

(1991 - present, serial numbers 0A545004 - up)

1623-8951A43

$1549.95

$1999.95

Upper Gear Housings

Description
OEM #

Price
(USD)

Price
(Canadian)

19600 Upper Gear Housing 1547-861063A12

19600 Upper Gear Housing

Complete upper gearcase housing assembly with drive shaft - ready to bolt onto the lower unit. All ratios available for

1991 and up, serial numbers 0A545004 and up

1547-861063A6, 1547-861063A12, 1547-861063A10, 1547-861063A8

$1399.00

Engine / Model

$1748.00

Engine / Model

19100 Drive Shaft Assembly 1547-9412A20

19100 Drive Shaft Assembly

Complete upper gearcase with drive shaft and u-joints. All ratios available for

1970 - 1990, serial numbers 2791957 - 0A545003

1547-9412A20, 1547-9412A21, 1547-9412A22, 1547-9412A23, 1547-9412A19

$1199.00

Engine / Model

$1498.00

Engine / Model

Customers also purchased:

 

Price
USD

Price
Canadian

12110 Water pump kit

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

$44.95

$54.95

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