Mercruiser outdrive parts *Alpha 1 lower unit *Repairs

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Mercruiser Alpha One Outdrive Bearing

Tapered, roller and ball bearings for outdrive upper and lower units

  • Include inside and outside race
  • Complete rebuild kits for all models
  • For upper units and lower gearcases
  • Manufactured with Timken bearings in the USA

Lower Unit

 

Price
(USD)

Price
(Canadian)

21570 Roller bearing

P/N 21570 For upper drive shaft (1970 - 1983 only)

31-53079A1

$24.95

$32.95

21610 Drive shaft 31-42647A1

21610

P/N 21610 For lower drive shaft

31-42647A1

$43.95

$53.95

21590 Mercruiser forward

P/N 21590 For forward gear, outside. (1967 - 1995, S/N 2062141-0F679999)

31-35928T1

$59.95

$78.95

11420 31-30895T

11420

P/N 11420 For forward gear (inside)

26-816464-1

$14.95

$19.95

21620 Reverse 30-88957T

21620

P/N 21620 For reverse gear (1967 - present)

30-88957T

$37.95

$49.95

11410 Prop shaft 31-30956T

11410

P/N 11410 Prop shaft (all years)

31-30956

$10.95

$12.95

Lower Rebuild Kits

All Kits Include Bearings,
Seals and Shims

Price
(USD)

Price
(Canadian)

25110 Rebuild kit

25110 Rebuild kit

P/N 25110 Rebuild kit for MC-1 and 1 models, 1972 - 1983

31-803068T1

$233.95

$308.95

25120

25120

P/N 25120 Rebuild kit for Alpha 1 models (1984 - 1990)

31-803090T1

$306.95

$382.95

21530 Gen 2

31-803094T1

P/N 25130 Parts kit for Generation 2 models (1991 - 1995, S/N 0D469859-0F679999)

31-803094T1

$204.95

$268.95

25140 31-803095T1

25140

P/N 25140 Complete kit for Generation 2 models (1996 - 1997, S/N 0F680000-0K999999)

31-803095T1

$217.95

$287.95

25150 31-803096T1

25150

P/N 25150 Lower unit kit for Gen 2 models (1998 and up, S/N 0L100040 and up)

31-803096T1

$212.95

$279.95

Upper Gear Case

 

Price
(USD)

Price
(Canadian)

21510 Top cover 31-61100A1

21510

P/N 21510 For top cover (1971 - 1995) (1-15/16" O.D.)

25-32546

$28.95

$37.95

21511 31-32575A1

21511

P/N 21511 For top cover (1996 and up) (1-25/32" O.D.)

25-32546

$22.95

$28.95

21560 Alpha One 47-31-32573A1

21560 Alpha One

P/N 21560 (1.50 / 1.47 ratio, 1991 and up models)

31-32573A1

$40.95

$53.95

21540

P/N 21540 (1.65, 1.84, 1.98 and 1.50 Ratio)

31-35990A1

$34.95

$43.95

21520 31-35988A12

21520

P/N 21520 Double bearing with spacer. Compatible with all ratios except 1.32, all years up to 1997 (up to serial number 0K999999)

31-35988A2

$149.95

$189.95

21522 31-30894A5

21522

P/N 21522 Same as above. For 1998 and up models only, serial number 0L100040 and up. Compatible with all ratios except 1.32.

31-30894A5

$122.95

$161.95

Gimbal / Bell Housing

 

Price
(USD)

Price
(Canadian)

21905 Gimbal

P/N 21905 Heavy duty gimbal bearing. Larger area between the shields allow for more grease filling.

30-862540A3, 30-60794A4

$53.95

$70.95

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

M-21450-Mercruiser-outdrive-shift-cable-and-parts-865436A03.jpg

21450 Mercruiser Outdrive Part 865436A03

21450 Parts that are included:

21080 Mercruiser slide
21090 Set screw
21140 Shift cable arm
21430 Guide
21433 Set screw
21462 Shift wire wrapping
21463 Insert
21464 Wire
21432 Anchor
21710 Cable
89080 Bellow
21750 Set Screw
21790 Bellow clip
21791 Hose clamp
39622 Gasket kit

$89.95

$118.95

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 and 4 inch riser.

Included in kit
P/N 51230 Cast iron manifold assembly
860246Q11 x (2 units)

P/N 51110 / 98504A3 or 51140
807988A2 Elbow - riser (3 inch or 4 inch) x (2 units)

P/N 31100 Gasket 27-33395 x (2 units)

P/N 30240 Gasket 27-863724 x (2 units)

P/N 13991 90 degree hose fitting OEM number 22-806926 x (2 units)

P/N 13992 Drain plug OEM number 22-806608A02 x (2 units)

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

P/N 22391 Stud 16-49545 x (8 units)

P/N 21248 Locknut 11-46335 x (8 units)

$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