Mercruiser outdrive parts *Alpha 1 lower unit *Repairs

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Mercruiser Alpha 1 upper gearcase service kit

Mercruiser years 1974 to 1990 upper gearcase gear set repair kit

  • GLM Aftermarket upper unit exploded view breakdown drawing and video see below
  • Service kit compatible with all sterndrive models up to 1990
  • Gears, bearings, drive shaft and U-joints
  • Mercruiser/ Alpha One OEM numbers for easy cross reference

Mercruiser Alpha outdrive upper gearcase service drawing

Mercruiser Alpha outdrive upper gearcase service drawing

Photo

Description / OEM #

Price
(USD)

Price
Canadian

11215 Mercruiser V8 upper gearcase service kit

11215 Mercruiser V8 upper gearcase service kit

P/N 11215 Complete rebuild package 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

$532.95

$702.95

11245 Rebuild kit R-MR-Alpha 20-24 gear ratio

11245 Rebuild kit R-MR-Alpha 20-24 gear ratio

P/N 11245 Replaces Mercury OEM 43-803101T1, Sierra 18-2259

Mercruiser 1, R, MR 120, 140 and 4 Cylinder Alpha One Models (1970 - 1990) models with 1.98/1.94 (20/24 teeth) ratio compatible with drives with S/N 2791957 - 0D469858

GLM Marine P/N 11215 with a 2 year warranty parts included:

11240 Gear Set
87500 Seal Kit
39590 Gasket Kit
21560 Bearing
21520 Bearing
21510 Bearing
23260 Shim
23270 Shim
23280 Shim

$599.95

$791.95

11225 OEM 43-803112T1

11225 OEM 43-803112T1

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

$699.95

$923.95

11216-43-803102T1

11216

P/N 11216 1.50/1.47 V8 Generation 2 models (1991-1997, serial numbers 0D469859-0K999999)OEM 43-803102T1

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

$806.95

$1,064.95

11246-43-803118T1

11246

P/N 11246 For 1.98 4 cylinder Gen 2 models (1991-1997, serial numbers 0D469859-0K999999) OEM 43-803118T1

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

 

$686.95

$906.95

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) OEM 43-803120T1

Parts included:
11230 Gear set
87501 Seal
39622 Mounting gasket
21511 Bearing
21520 Bearing
21510 Bearing
23260 Shim
23270 Shim
23280 Shim
23261 Shim

$692.95

$914.95

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 OEM 43-803103T1)

Contains:

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

$724.95

$956.95

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

$598.95

$790.95

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) 43-803103T1

Contains:

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

$610.95

$805.95

Customers also purchased:

Photo

Description / OEM #

Price
(USD)

Price
Canadian

12110

12110

P/N 12110 Complete water pump kit (1970 - 1983, MC-1 and R models, serial numbers 2763442-6854392). Click on picture for newer 1984-1990 Alpha One and 1991 and up Gen 2 models.

$39.95

$52.95

87510
87510 seal kit

P/N 87510 For 1967 - 1990 models, including MC-1, R, MR and Alpha 1 Gen 1 OEM 26-33144A2

26-33144A2

$38.95

$50.95

87501

87501 Alpha One Gen 2

P/N 87501 For upper gear housing (1991 and up, serial numbers 0A54004 - up)

26-88397A1

$25.95

$33.95

Mercruiser upper housing gaskets 26-32511A1

Mercruiser upper housing gaskets 26-32511A1

P/N 87500

Seal kit (1964 - 1990 models, serial numbers 1684188 - 0D469858)

$24.95

$30.00

87511

87511

P/N 87511 Lower unit (1991 and up, serial numbers 0A54004 - up)

26-816575A3

$39.95

$50.95

39590

39590

P/N 39590 Outdrive installation gasket set (1967 - 1982, serial numbers 2062141 - 6225576) OEM 27-64818T4

27-64818T4

$12.95

$14.95

39622 Bell housing gasket kit

39622 Bell housing gasket

P/N 39622 Bell housing gasket set (1983 - present, serial numbers 6225577 and up)

27-94996T2

$12.95

$14.95

28310 Yoke 46020-1

28310 Yoke

P/N 28310

Yoke (short)
OEM 46020-1

$60.95

$79.95

508235 OMC Johnson Compound
508235 OMC Johnson Compound

P/N 508235

OMC Johnson gasket sealing compound - 4 FL. OZ (118 ml).

This is used on the o-rings and gaskets when re-sealing the outdrive.

$24.95

$32.95

680 loctite small service size

680 loctite small service size

P/N 680 Loctite

Loctite is used on larger yoke shaft seal. 680 may be required on smaller seals if gearcase area show signs of corrosion.

Note 680 Loctite will fill in a void of up to .020 and may save you from purchasing a new case.

Corrosion area must be wire brushed and 2 coat may be required if a thickness of .020 is required.

$9.95

$11.95