Mercruiser Alpha 1 upper gearcase repair tools

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

Photo

Description / OEM #

Price
(USD)

Price
Canadian

Upper gearcase
Basic service
tools

Mercruiser upper gearcase service tool kit with slide hammer

This is a basic repair kit that includes 60 minutes of tech support if replacement gear set or the service kit is purchased with any service tool set.

Included in kit:

P/N Keen 75057 Scotch-Brite 3" polishing wheel. Used for the inside upper gearcase bearing area.
P/N 146519 Piston ring installer. Used to line up a bearing during bearing, gear and yoke installation.
3/16 inch painted black spanner nut wrench / bearing retainer wrench.
P/N 680 Loctite is used on larger yoke shaft seal. 680 may be required on smaller seals if gearcase area show signs of corrosion.
P/N 508235 OMC Johnson gasket sealing compound for use on small oil seals and o rings
P/N 146519 Piston ring installer. Used to line up a bearing during bearing and yoke installation.

Basic
set
$97.95

With
slide
hammer
set
$187.95

Basic
set
$129.95

With
slide
hammer
set
$247.95

Keen 75057

Upper gearcase after Keen brite service

P/N Keen 75057

3" Scotch-Brite polishing wheel. Used for the inside upper gearcase bearing area. For Alpha One and Alpha One Generation 2 outdrives.

Scotch-Brite area must be cleaned with lacquer thinner to remove small particles and allows bearing, yoke and gear assembly to side in to upper gearcase.

Note polishing and cleaning wheel will require the use of any 1/4 " or larger electric drill and use at highest rpm setting.

$29.95

$39.95

Piston ring installer

P/N 146519

Piston ring installer. Used to line up a bearing during bearing and yoke installation.

$29.95

$39.95

Gimbal and bearing slide hammer

Large slide hammer

Gimbal bearing and tapper bearing outside race removal slide hammer.

$84.95

$109.95

90100 Spanner nut wrench

P/N 90100

1/4 inch thick metal spanner nut wrench / bearing retainer wrench. Installs and removes drive shaft bearing retainer on MC-1 / R / MR / Alpha 1 / Alpha 1 Gen 2, Blackhawk, and Bravo OEM: 91-17256

$75.95

$99.95

Black bearing retainer wrench 3/16 inch

3/16 inch retainer wrench

3/16 inch painted black spanner nut wrench / bearing retainer wrench. Installs and removes drive shaft bearing retainer on MC-1 / R / MR / Alpha 1 / Alpha 1 Gen 2, Blackhawk, and Bravo OEM: 91-17256

$55.95

$70.95

90150 Universal puller plate

P/N 90150

Universal puller plate. Pulls gears and bearings
OEM: 91-37241

$119.95

$157.95

Click on picture for all
years and models

Mercruiser upper gearcase rebuild service kit

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 Gear set
87500 Seal kit
39590 Mounting gasket
21560 Bearing
21520 Bearing
21510 Bearing
23260 Shims
23270 Shims
23280 Shims

$532.95

$702.95

Photo

Description / OEM #

Price
(USD)

Price
Canadian

12110 Outdrive water pump 1970-1983

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 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 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

P/N 87500

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

$24.95

$30.00

87511 Seal kit

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

26-816575A3

$39.95

$50.95

39590 install gasket

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

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

27-94996T2

$12.95

$14.95

28310 Yoke

P/N 28310

Yoke (short)
OEM 46020-1

$60.95

$79.95

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 small service size loctite

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

$12.95