Mercruiser Rebuild Kit

Part # & PriceDescription
BPI88010
$89.95
Rebuild Kit for Mercruiser #1 R 1974-1982 Upper Lower Seal Kit and Water Pump

Rebuild kit for Mercruiser Sterndrives. Includes Upper Seal Kit, Lower Seal Kit and Complete Water Pump Kit with Housings.

Fits Drives 1974-1982.

This drive can be identified by having a preload pin sticking out of the lower unit drive shaft. This pin is about 1/4 in diameter and 5/8 tall.


 
GLM18190
$1,433.95
Lower Unit Rebuild Kit for Mercruiser MR Alpha One 1984-1990

Complete Rebuild Kit for a Mercruiser Sterndrive. Includes all internal items except the lower unit housing itself. It will fit all MR/Alpha One Drives. If the Housing is needed, order (GLM18000. If the prop service kit is needed, order GLM21305.
Note: The Driveshaft Does Not Have a Preload Pin.

Kits Contain:
GLM OEM ITEM
11008 N/A Pinion Gear
11009 N/A Forward Gear
11012 23-824108 Thrust Spacer
11013 43-828073A1 Reverse Gear
11030 818349T1 Shift Spool
11040 76865 Shift Crank
11050 24-30893 Spring
11060 52-853594T Clutch Dog
11120 45-42634 Drive Shaft
11155 44-850308 Prop Shaft
11190 11-35921 Pinion Nut
11381 14-18323 Keyed Washer
11405 818763A10 Bearing Carrier Assy.
12120 N/A Complete Water Pump Kit
12670 31640Q4 Trim Tab
12822 10-76156 Screw
12833 10-96411 Screw
21010 23-30617A2 Shift Shaft Bushing
21030 77481-1 Lower Shift Shaft
21120 8M2011027 Cover Nut
21131 17-8M0020941 Cross Pin
21132 18-20233 Clip
21161 11-859124 Lock Nut
21170 (5) 11-859116 Lock Nut
21180 (2) 11-35888 Lock Nut
21190 11-826709111 Lock Nut
21305 835257Q5 Prop Service Kit
21413 17-35973 Dowel Pin
21490 (2) 12-29245 Washer
21580 31-36387A1 Tappered Roller Bearing
21590 31-828439A2 Tapered Roller Bearing
21610 31-42647A1 Bearing
21620 30-88957T Bearing
21720 12-36001 Washer
21740 10-32470 Screw
21800 12-29395 Washer
21870 93423-1 Insert
21880 93424-1 Insert
22430 10-30206 Screw
23140 68100-1 Thrust Ring
23200 824519-1 Retainer
23210 15-42637A1 Shim
23220 15-47397A1 Shim
32790 12-27880 Washer
32800 12-92721 Washer
87510 26-33144A2 Gearcase Seal Kits


 
GLM19190
$1,210.95
Rebuild Kit Upper Unit for Mercruiser R, MR, Alpha One Drives 1.50 1.47
Rebuild Kit for Drive Shaft Housing on Mercruiser R, MR and Alpha One Drives, 20/22 1.50 or 1.47 ratio, most V8s; 9.5 Inch Yoke Shaft, top cover bearing 1.9375" Includes all internal parts except the housing itself. Fits all upper units 1974-1990. Pre 1974 units have an 8 spline lower unit driveshaft wich will not fit this later 13 spline gearset.

GLM19190 FITS THE FOLLOWING
MERCRUISER APPLICATIONS
MODEL RATIO YEAR SERIAL RANGE
888 1.50 1971-1977 3106717 and Up
225-S 1.50 1974 3856268-4200499
898/228/260 1.50 1977-1982 4782330-6225576
R 1.50 1983 6225577 and Up
MR/Alpha One 1.50 1984-1990 6225577 and Up
MR/Alpha One (CR) 1.50 1984-1990 6225577 and Up

 
GLM19191
$1,210.95
Rebuild Kit Upper Unit for Mercruiser R, MR, Alpha One Drives 1.47 1.50
Rebuild Kit for Drive Shaft Housing on Mercruiser R/MR/Alpha One 20/22 (1.50 or 1.47) used on mosty V8 engines. Includes all internal items except the housing itself
Top Cover Bearing 1.7813•
 
GLM19290
$1,095.95
Rebuild Kit Upper Unit for Mercruiser R, MR, Alpha One Drive 1.65 1.62
Rebuild Kit for Drive Shaft Housing on Mercruiser R, MR and Alpha One Drives, 24/24 1.65 Inline-6 and some 305 2BBL; top cover bearing 1.9375". Please note many GM inline engines before 1983 used an 8 inch input yoke shaft. Our bumber for the Yoke Shaft is SMI32385.

GLM19290 FITS THE FOLLOWING
MERCRUISER APPLICATIONS
MODEL RATIO YEAR SERIAL RANGE
165 Ratio: 1.65 1970-1981 2763442 and Up
R Ratio: 1.65 1983 6225577 and Up
MR/Alpha One Ratio: 1.65 1984-1990 6225577 and Up
MR/Alpha One (CR) Ratio: 1.65 1984-1990 6225577 and Up

 
GLM19291
$1,177.95
Rebuild Kit Upper Unit for Mercruiser R, MR, Alpha One Drive 1.65 1.62
Rebuild Kit for Drive Shaft Housing on Mercruiser R/MR/Alpha One 24/24 (1.65 or 1.62)
Top Cover Bearing 1.7813•
 
GLM19390
$1,083.95
Rebuild Kit Upper Unit for Mercruiser R, MR, Alpha One Drives 1.81 1.84
Rebuild Kit for Drive Shaft Housing on Mercruiser R, MR and Alpha One Drives, 17 19 Tooth Count 1.84 1.81 Ratio V6 & 3.7 224 cid; top cover bearing Outside Diameter is 1.9375"
 
GLM19391
$1,180.95
Rebuild Kit Upper Unit for Mercruiser R, MR, Alpha One Drive 1.84 1.81
Rebuild Kit for Upper Unit on Mercruiser R/MR/Alpha One 17/19 (1.84 or 1.81)
Top Cover Bearing Outside Diameter is 1.7813•
 
GLM19490
$1,074.95
Rebuild Kit Upper Unit for Mercruiser R, MR, Alpha One Drives 1.98 Ratio
Rebuild Kit for Drive Shaft Housing on Mercruiser R, MR and Alpha One Drives, 20/24 1.98 GM 4 Cylinder.; Top Cover Bearing Outside Diameter is 1.9375"

GLM19490 FITS THE FOLLOWING
MERCRUISER APPLICATIONS
MODEL RATIO YEAR SERIAL RANGE
120/140 1.98 1970-1982 2791957-6225576
R 1.98 1983 6225577 and Up
MR/Alpha One 1.98 1984-1990 6225577 and Up
MR/Alpha One (CR) 1.98 1984-1990 6225577 and Up

 
GLM19491
$1,180.95
Rebuild Kit Upper Unit for Mercruiser R, MR, Alpha One Drive 1.98 1.94
Rebuild Kit for Drive Shaft Housing on Mercruiser R/MR/Alpha One 20-24 Tooth Count 1.98 or 1.94. Used on GM inline 4 Cylinder Engines 153 Cubic Inch 120 HP 2.5 Liter and 140 HP 181 Cubic Inch 3.0 Liter
Top Cover Bearing Outseide Diameter is 1.7813•
 
GLM25190
$1,037.95
Gear Housing Rebuild Kit, Mercruiser MR, Alpha One 91-95
Gear Housing Rebuild Kit for Mercruiser MR/Alpha One 1991-1995 serial # s 0D469859 - 0F67999 Contains all gear housing parts except the housing
Forward Bearing diameter 3.500” O.D., 1.47, 1.62 ratio, 1.0625 I.D.
 
GLM25191
$1,014.95
Gear Housing Rebuild Kit, Mercruiser MR, Alpha One 96-97
Gear Housing Rebuild Kit for Mercruiser MR/Alpha One 1996-1997 serial # s 0F680000-OK999999
Contains all gear housing parts except the housing
Forward Bearing diameter 3.265” O.D., 1.81, 1.94 ratio 1.0625 I.D.

GLM25191 FITS THE FOLLOWING MERCRUISER APPLICATIONS
MODEL RATIO YEAR SERIAL RANGE
Alpha One Gen II 1.81 - 1.94 1996-1997 0F680000-0K999999

 
GLM29190
$1,088.95
Drive Shaft Housing Rebuild Kit, Mercruiser Alpha One Gen. II V8 20, 22
Drive Shaft Housing Rebuild Kit for 1991-1997 Mercruiser Alpha One Gen. II
20T/22T 1.50/1.47 ratio with 1.9375" Bearing; most V8s
 
GLM29191
$1,088.95
Drive Shaft Housing Rebuild Kit, Mercruiser Alpha One Gen II 20, 22
Drive Shaft Housing Rebuild Kit for 1991-1997 Mercruiser Alpha One Gen II
Bearing 1.7813”
20T/22T (1.47) gear ratio
 
GLM29290
$1,088.95
Drive Shaft Housing Rebuild Kit, Mercruiser Alpha One Gen. II GM Inline 6 24, 24
Drive Shaft Housing Rebuild Kit for 1991-1997 Mercruiser Alpha One Gen. II
24T/24T 1.65/1.62 ratio with 1.9375" Bearing; GM Inline-6
 
GLM29291
$1,088.95
Drive Shaft Housing Rebuild Kit, Mercruiser Alpha One Gen II 24, 24
Drive Shaft Housing Rebuild Kit for 1991-1997 Mercruiser Alpha One Gen II
Bearing 1.7813”
24T/24T (1.62) gear ratio
 
GLM29390
$1,088.95
Upper Unit Housing Rebuild Kit Mercruiser Alpha Gen 2 V6 4.3 Liter 17:19 Tooth
Drive Shaft Housing Rebuild Kit for 1991-1997 Mercruiser Alpha One Generation 2. Fits V6 4.3 Liter


Gear Set has 17/19 Teeth which is the 1.84/1.81 ratios.
Uses 1.9375 Inch Top Cover Bearing V6 4.3 Liter Engines.

This kit contains all the upper unit parts with exception of the housing.

Includes: All Shafts, Gears, Bearings, Seals, Shims, Bolts and Gaskets.
 
GLM29391
$1,088.95
Drive Shaft Housing Rebuild Kit, Mercruiser Alpha One Gen II 17, 19
Drive Shaft Housing Rebuild Kit for 1991-1997 Mercruiser Alpha One Gen II
Bearing 1.7813”
17T/19T (1.81) gear ratio
 
GLM29490
$1,088.95
Rebuild Kit Upper Unit for Mercruiser Alpha Gen 2 20:24 1.98 1.94 3.0 Liter
Drive Shaft Housing Rebuild Kit for 1991-1997 Mercruiser Alpha One Gen. II

Inline 4 Cylinder GM engine 3.0 Liter

20/24 Tooth count.

1.98/1.94 ratio having a 1.9735 Inch top cover bearing diameter

Note: If you are unsure whether you have a Generation 2 or not, you can look at your water pump housing. If it is Stainless Steel, then it is a Gen 2.
 
GLM29491
$1,088.95
Drive Shaft Housing Rebuild Kit, Mercruiser Alpha One Gen II 20, 24
Drive Shaft Housing Rebuild Kit for 1991-1997 Mercruiser Alpha One Gen. II
Bearing 1.7813”
20T/24T (1.94) gear ratio
 
GLM88010
$130.95
Rebuild Service Kit, Mercruiser #1, R Drives
complete Outdrive Seal Kit for a Mercruiser Sterndrive. This kit contains the complete Water Pump kit, Upper Housing Seal kit, and the Lower Housing Seal kit. It will fit the following application: MC-1/R 1970-1983, S/N # 2663442 - 6225576.
 
GLM88020
$130.95
Rebuild Service Kit, Mercruiser MR, Alpha One

Water Pump and Seal Service kit for a Mercruiser Sterndrive.
This kit includes:

  • Complete Water Pump Kit (46-44292A5)
    (46-44292A5)Kit Contains:
    GLM OEM ITEM GLM OEM ITEM
    12321 46-57234A1 Pump Base 31050 27-42631-1 Gasket
    12410 46-96148T1 Pump Housing 31170 (2) 12-19183-3 Gasket
    12510 32435-1 Wear Plate 81160 25-30613 O-ring
    12820 23-29804T Guide Tube 82260 25-33145 O-ring
    21330 25-30271 Slinger 82270 25-38099 O-ring
    31010 27-85608-1 Gasket 85150 26-45577-1 Seal
    31020 27-858524 Gasket 89840 47-89984T4 Impeller
    31040 27-856704 Gasket      
  • Upper Housing Seal Kit (26-32511A1)
    Kit contains:
    GLM OEM ITEM GLM OEM ITEM
    12830 26-38970 Grommet 82380 25-70937 O-ring
    31150 27-55810-1 Gasket 85020 26-32511 Oil Seal
    31170 (2) 12-19183-3 Gasket 85030 26-823894 Oil Seal
    80190 25-55801 O-ring 85060 26-96503-1 Oil Seal
    80420 25-32546 O-ring 85140 26-45577-1 Seal
    81180 25-25439 O-ring 85150 26-36557 Grommet
  • Lower Housing Seal Kit (26-33144A2)
    Kits Contain:
    GLM OEM ITEM GLM OEM ITEM
    12830 26-38970 Grommet 81390 25-90011 O-ring
    21010 23-30617A2 Bushing Assy 82260 25-33145 O-ring
    21330 25-30271 Slinger 82270 25-38099 O-ring
    30010 12-31266 Gasket 83445 25-896524 O-ring
    31010 27-85608-1 Gasket 85040 26-16977 Oil Seal
    31020 27-858524 Gasket 85070 26-89238 Oil Seal
    31040 27-856704 Gasket 85130 26-14077 Oil Seal
    31050 27-42631-1 Gasket 85140 26-45577-1 Seal
    31170 (2) 12-19183-3 Gasket 85700 26-12224 Oil Seal
    81160 25-30613 O-ring      

  • It will fit the Following: Mercruiser 1, MR, and Alpha One, SN 6225577 and up.
    • Fits Alpha 1 1984-1990 Without Preload Pin on Drive Shaft

 

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