Mercruiser Alpha One Parts and Repairs

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Mercruiser Alpha One Gear

Outdrive upper and lower unit gear sets for 4 cylinder, V6 and V8 sterndrives

  • Compatible with Mercruiser and Alpha One (including Gen 2) models
  • All ratios available for 4 cylinder, 6 cylinder and V8 outdrives
  • Manufactured by GLM Marine, California with a full 2 year warranty

Upper Housing

 

Price
(USD)

Price
(Canadian)

11210 Mercruiser V8 43-18411A2

11210 Mercruiser V8

P/N 11210 Gear Set (1.50 or 1.47 ratio for Mercruiser V8 models) (20-22) for V8 models up to 1997

43-18410A4

$444.95

$586.95

11214 Gears 43-853641A2

11214 Gears

P/N 11214 (1.47 Ratio) with bearing 21560. (20-22), for newer V8 models, 1998 and up, OL000040 - up

43-853641A2

$349.00

$436.00

11220 Alpha One gear set 43-45814A5

11220 Alpha One

P/N 11220 (1.65 or 1.62 Ratio) (24-24) for 6 cylinder and 165 models, 1970 - 1997, up to serial number 0K999999.

43-45814A5

$299.00

$373.00

11230 V6 43-75325A3

11230

P/N 11230 (1.84 or 1.81 ratio) (17-19), 470/485 models and V6 models 1976 - 1997, up to serial number 0K999999.

43-75325A3

$259.00

$323.00

11233

11233

P/N 11233 (1.81 Ratio) (17-19), for V6 engines, 1998 and up, OL000040 - up

43-853643A2

$349.00

$436.00

11240-4 cylinder 43-55778A3

11240-4 cylinder 43-55778A3

P/N 11240, 4 cylinder gears (1.98 or 1.94 Ratio) (20-24), for 120/140 and 4 cylinder models, 1970 - 1997, up to serial number 0K999999.

43-55778A3

$259.00

$323.00

11244 Gen 2 43-853642A2

11244

P/N 11244 (1.94 / 2.40 Ratio) (20-24), for 4 cylinder motors, 1998 and up, OL000040 - up

43-853642A2

$349.00

$436.00

Upper Sterndrive Rebuild Kits

 

Price
(USD)

Price
(Canadian)

11215 Rebuild parts 43-803116T1

11215 Rebuild parts

P/N 11215 Complete rebuild package for 1.50/1.47 for V8 models 20/22 tooth count (1974 - 1990, serial numbers 3856268-0D469858)

Parts included:

11210
87500 Seals
39590 Mounting gasket
21560 Bearing
21520
21510
23260 Shim
23270 Shim
23280 Shim

43-803116T1

$499.00

$623.00

11245-Bearings-shims-43-803101T1

11245

P/N 11245 Complete rebuild kit for MC-1 and Alpha One for 1.98 4 cylinder models 20/24 tooth count, (1983 - 1990, serial numbers 6225577-0D469858)

Contains:

11240
87500 Upper seals
39590 Bell housing gasket
21520
21540
21510
23260 Shim
23270 Shim
23280 Shim

43-803101T1

$499.00

$623.00

11225-43-803112T1

11225

P/N 11225 For 1.65 ratio, 165 model 6 cylinder inline models, 24/24 tooth count. For 1970 - 1990, serial numbers 2763442-0D469858)

Parts included:

11220
87500 Upper unit seals
39590 Mounting gasket
21540 Bearing
21520
21510
23260 Shim
23270 Shim
23280 Shim

43-803112T1

$499.00

$623.00

11216-43-803102T1

11216

P/N 11216 1.50/1.47 V8 Generation 2 models (1991-1997, serial numbers 0D469859-0K999999)

Contains:

11210
87501 Upper unit oil seals, gasket set
39622 Gasket set
21511 Bearing
21520
21510
23260 Shim
23270 Shim
23280 Shim
23261 Shim

43-803102T1

$539.00

$673.00

11246-43-803118T1

11246

P/N 11246 For 1.98 4 cylinder Gen 2 models (1991-1997, serial numbers 0D469859-0K999999)

Contains:

11240
87501 Seal and gasket set
39622 Gasket
21511
21520
21510
21540
23260 Shim
23270 Shim
23280 Shim
23261 Shim

43-803118T1

$499.00

$623.00

11236-43-803120T1

11236

P/N 11236 Service kit for 1.84, 17/19 ratio, 4.3L V6 Alpha One second generation models (1991-1997, serial numbers 0D469859-0K999999)

Parts included:

11230 Set
87501 Seal
39622 Mounting gasket
21511
21520
21510
23260 Shim
23270 Shim
23280 Shim
23261 Shim

43-803120T1

$539.00

$673.00

11217-43-803103T1

11217

P/N 11217 Stern drive housing service package for 1.47 V8 Generation 2 models (1998 to present, serial numbers OL000040-Up)

Contains:

11214
87501 Seals
39622 Bell housing gasket
21511
21522 Bearing
21560
23270 Shim
23280 Shim
23261 Shim

43-803103T1

$479.00

$598.00

11247-43-803106T1

11247

P/N 11247 Outdrive service kit for 2.4/1.94 4 cylinder Generation 2 models (1998 to present, serial numbers OL000040-Up)

Parts included:

11244
87501 Seal and gasket set
39622 Gasket
21511
21522
21540
23270 Shim
23280 Shim
23261 Shim

43-803106T1

$429.00

$536.00

11237-43-803103T1

11237

P/N 11237 Upper housing service kit for 1.47 V8 Gen 2 models (1998 to present, serial numbers OL000040-Up)

Contains:

11233
87501
39622
21511
21522
21560
23270 Shim
23280 Shim
23261 Shim

43-803103T1

$429.00

$536.00

Lower Unit Sets

 

Price
(USD)

Price
(Canadian)

11100 Lower unit 43-96084A7

11100

P/N 11100 lower unit forward/pinion (1972 - 1982, serial numbers 3469428-6225576)

43-96084A7

$399.00

$499.00

11091

11091

P/N 11091 Forward/pinion with bearing 21590 (OEM 31-35928T1), for years 1984 - 1995, serial numbers 6225577 - 0F679999

$399.00

$499.00

11092-43-878087A2

11092

Item 20B
P/N 11092
Forward/pinion with bearing 21593 (OEM 31-828439A2), For 1996 & Up S/N 0F680000 & Up

$349.00

$436.00

11300 Forward reverse pinion 43-96084A4

11300 Forward reverse pinion

P/N 11300 Complete set, forward/pinion with reverse (1972 up to 1983, S/N 3469428-6225576)

43-96084A4

$499.00

$623.00

11312 Complete set 43-878087A4

11312

P/N 11312 Complete set, forward/pinion/reverse including all bearings and shims for the lower unit. Compatible with years 1984 - up, serial numbers 6225577 and up

43-878087A4

$599.00

$748.00

Lower Unit Rebuild Kits

 

Price
(USD)

Price
(Canadian)

25115-43-803073T1

25115

P/N 25115 Lower unit rebuild kit for MC-1 and R models (1972-1982, all ratios, serial numbers 3469428-6225576)

Contains:

11060 Clutch Dog
11190 Pinion Nut
11300
11380 Keyed Washer
11381 Keyed Washer
11410 Prop Shaft Bearing
21580
21590
21610
21620
23210 Shim
23220 Shim
87510

43-803079T1

$699.00

$873.00

25125-43-803091T1

25125

P/N 25125 For MR and Alpha 1 first generation models (1983-1990, all ratios, serial numbers 6225577-0D469858)

Contains:

11060 Clutch Dog
11190 Pinion Nut
11312
11380 Washer
11410
11420
21570
21590
21620
23220 Shim
23300 Shim
87510

43-803091T1

$599.00

$748.00

25135-43-803069T1

25135

P/N 25135 Lower unit rebuild kit for Alpha 1 Gen 2 models (1991-1995, all ratios, serial numbers 0D469859-0F679999)

Parts included:

11060 Clutch Dog
11190 Pinion Nut
11312
11381 Washer
11410
21580
21590
21610
21620
23210 Shim
23220 Shim
87511 Seal Kit

43-803069T1

$759.00

$948.00

25145-43-803071T1

25145

P/N 25145 Complete for Alpha 1 Generation 2 models (1996-1997, all ratios, serial numbers 0F680000-0K999999)

Contains:

52-853594T Clutch Dog
11-35921 Pinion Nut
43-878087A4
14-18323 Keyed Washer
31-30956T
31-36387A1
31-35928T1
31-828439A2
31-42647A1
30-88957T
15-42637A1 Shim
15-44491A1 Shim
15-47397A1 Shim
26-816575A3

43-803071T1

$619.00

$773.00

Clutch

 

Price
(USD)

Price
(Canadian)

11060 Clutch dog 52-853594T

11060 Clutch dog

P/N 11060 Clutch dog. Compatible with all models from 1972 and up, S/N 3469428 and up

52-853594T

$179.00

$218.00

11050 Spring 24-30893

11050 Spring

P/N 11050 Spring for clutch dog

24-30893

$4.00

$4.00