Alpha One & Gen 2 Outdrive Parts *Drawings *Videos

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Mercruiser Alpha One Bellows Kit - Transom / Bell Housing

Rebuild sets for Generation 2 years 1991 and up
Mercruiser model years 1970 to 1990

GLM Marine aftermarket bellows kits include the following:

  • 89180 or 89050 U Joint Bellow 60932A4
  • 89100 Exhaust tube 18654A1
  • 89080 Shift Cable hose 74639
  • 39622 Gasket set 27-94996T2
  • 21900 Gimbal Bearing 30-60794A4
  • 47110 Water Hose 3/4 inch 32-41725-33
  • 47120 Water Hose 5/8 inch 32-32461
  • Great tech support exploded view Alpha One with drawings search by part number or description here

Click on photo for exploded view

21960 Kit 30-803099T1

21960 Kit 30-803099T1

P/N 21960 For stern drives 1991 - up Bellows kit is compatible with serial numbers 0D469859 and up
$169.99 Serial numbers 0D469859 and up

21960-90200 Transom Repair Package

21960-90200 Transom Repair Package

P/N 21960-90200 *Most Popular* Transom service repair package. Same as above, also includes hinge pin tool removal tool, and the bellows adhesive glue for rubber. 1991 and up models. $219.99

21950 Mercruiser Bellows 30-803097T1

21950 Mercruiser 30-803097T1

P/N 21950 Mercruiser 1 R MR Alpha one u-joint bellows, shifter and exhaust bellows set years 1970 - 1990 $149.99 Serial numbers 37870850 - 0D469858

Click here for Mercruiser installation instructions with pictures and video

21950-90200 Transom Repair Package

21950-90200 Transom Repair Package

P/N 21950-90200 *Most popular Alpha one bellows kit* Transom service repair package. Same as above, also includes adhesive glue and the hinge pin tool for the bell housing $199.99

21951 Bell Housing Components 30-803098T1

21951 Bell Housing Components 30-803098T1

P/N 21951 1972 - 1990) *Includes exhaust tube instead of exhaust bellow - recommended for V8 big block

$199.99

Customers who ordered P/N 21950 also purchased:

12120 Alpha 1 outdrive water pump kit Mercruiser 1984-1990

12120

P/N 12120 Lower gear case water pump impeller kit rebuild kit, with housing. Compatible with 1984-1990 models. Replaces Sierra 18-3320. $42.99

21450 Shift cable 865436A03

21450

P/N 21450 Lower unit lower unit shift cable. Compatible with all models 1972 and up. Note, this cable installs from the AFT end of the bell housing, some minor modifications may be required on older model housings. Replaces Mercury 865436A03 and Sierra kit 18-2603. $89.99

Kit includes:
P/N 21710 Shift Cable bellow 41951A1
P/N 21750 Set Screw 10-45590
P/N 21790 Bellow Clip 54-38863
P/N 21791 Hose Clamp 54-85504320
P/N 39622 Gasket Kit 27-94996A2
P/N 89080 74639 Bellow
P/N 21085 Slide w/ Screw 850752-1
P/N 21140 Shift Arm 45518A2
P/N 21430 Guide 43433
P/N 21432 Anchor 43436
P/N 21433 Set Screw 10-20518
P/N 21462 Wrapping 38473
P/N 21463 Insert 14705

12043

12043

P/N 12043 Alpha generation 2 impeller water pump kit $44.99
Parts included:

P/N 89630 Impeller
P/N 12824 Coupling assembly
P/N 12500 Wear plate
P/N 31240 Gasket
P/N 30090  Gasket
P/N 82110 O Ring Seal

11210 V8 43-18410A4

12110

P/N 11210 Outdrive upper unit gear set, ratio 20/22. Replaces Mercury 43-18411A2 $444.95

Includes P/N 21560 roller bearing 31-32573A1. Upper gears compatible with all V8 outdrives (1971 - 1990) and Alpha One gen ii models 1991-1997. 1.50 or 1.47 ratio Serial numbers 3106717 - 0K999999. For 1998 and up models, use P/N 11214.

87510 seal gasket kit 26-33144A2

87510

P/N 87510 Mercruiser and Alpha 1 Gen 1 lower unit seal and gasket kit, replaces Mercury 26-33144A2 for years 1964 to 1990 Serial numbers 1684188 - OD469858. $44.99

Included in kit:

Oil seals
Gaskets
O-rings