OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives

Mercruiser *Alpha 1 *Generation 2 shift cables

*R*MR*Alpha one *Generation 2 and Bravo shift cable 

Last updated on 11/11/2023
  • GLM Marine P/N 21450 Shift cable kit replaces the Mercury OEM 865436A03 and  Sierra 18-2603
  • For Mercruiser, Alpha One and Gen ii models, all years
  • New larger core wire, installed into aft end of bell housing
  • Photos of shift cable assembly and the ends of shift cables
  • Click here for all other Mercruiser R MR Alpha one or gen ii outdrive parts

Mercruiser *Alpha 1 *Generation 2 shift cables

21450 Mercruiser outdrive part

Shift Cables
Parts included:
21080 Slide
21090 Set Screw
21140 Shift Arm
21430 Guide
21432 Anchor
21433 Set Screw
21462 Wrapping
21463 Insert
21464 Wire
21710 Cable
21750 Set Screw
21790 Clip
21791 Clamp
39622 Gasket Kit
89080 Bellow

$89.95 USD

$118.89 Canadian

Mercruiser *Alpha 1 *Generation 2 shift cables
Mercruiser *Alpha 1 *Generation 2 shift cables

Gimbal End

Customers Also Purchased:

21451 shift cable

P/N 21451 Shift cable assembly kit for the following outdrives 

$68.89

$89.89

21710 shift cable

P/N 21710 Shift cable 

$ 77.89

$ 101.89

21421 INTERMEDIATE SHIFT SHAFT

21421 Intermediate shift shaft

P/N 21421 Intermediate shift shaft OEM 62104-1 for use with MerCruiser -1, R, MR and Alpha one lower units

$59.89

$77.89

Mercruiser Bell Housing

21420 Upper shift shaft

P/N 21420 Upper  shaft OEM 45589A3 for use with MerCruiser -1, R, MR and Alpha one lower units

$ 88.89

$ 115.89

Mercruiser outdrive components #26-50

21030 lower shift shaft

P/N 21030 lower shift shaft 

$37.95

$ 62.89

11040 Shift crank for lower unit

11040 Shift crank

P/N 11040 Shift crank OEM 76865

$67.95

$ 111.89

90140 Shift shaft-bushing tool 91-31107T.

90140 shift shaft bushing tool

P/N 90140 shift shaft bushing tool OEM 91-31107T
Use with MerCruiser -1, R, MR and Alpha one lower units

$22.95

$ 31.89

outdrive tools

90110 shift cable tool

P/N 90110
GLM Marine aftermarket Mercruiser sterndrive gimbal housing shift cable tool used to remove and install shift cable on Mercruiser Mr Alpha outdrive units.
OEM: 91-12037

$33.95

$ 47.89

shaft bushing and seal kit

P/N 87561
Mercruiser shift shaft bushing and seal kit
Serial numbers F094774 and below

$31.95

$ 57.89

Bell Housing Drawing

87562 Bushing and oil seal kit

P/N 87562 Bushing and oil seal kit
Serial number F094775 and up
OEM 23-806036A1

$12.95

$ 21.89

21453 Mercruiser Bravo shift cable kit

21453 Bravo shift cable

P/N 21453 Shift cable assembly kit for the following outdrives *Bravo I, II and III
OEM 815471T1

$ 170.89

$ 221.89

Shift Cables, Transom Kits

21960 Alpha One transom

P/N 21960 Alpha 1 Generation 2 bellows kit (1991 and up, serial numbers 0D469859 and up)

30-803099T1

$177.95

$ 301.89

exhaust bellows glue

92-861166Q Adhesive glue

P/N 92-86166Q1 Bellows glue / adhesive. Replaces Sierra 18-9031.

$19.00

$23.89

89080 Shift cable bellow

89080 shift cable bellow

P/N 89080 Shift cable bellow 

$12.95

$ 19.89

Shift Cables

89100

P/N 89100 Exhaust bellow– compatible with all models from 1963 to present, serial numbers 1534570 and up. (Not compatible with Bravo or TRS models)

18654A1

$22.95

$ 31.89

21140 Shift lever assembly with screw 45518A2

21140 Shift lever assembly

P/N 21140 Shift lever assembly with screw 45518A2

$22.95

$ 40.89