Alpha One & Gen 2 Outdrive Parts *Drawings *Videos

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Mercruiser Alpha 1 shift cable / Install tools with Video

GLM Marine aftermarket Mercruiser lower shift cable kit assembly
Transom install video, tools and compounds

  • GLM Marine number: 21450
  • OEM number: 41951A1
  • For Alpha gen 1 drive years 1984 to 1992
  • Cable assembly (MC 1 R MR Alpha One Gen ii and gen 1)
  • Replaces Mercury 865436A03, Sierra 18-2603

21450 Shift cable 865436A03

21450

P/N 21450 Outdrive cable kit for Mercruiser. Compatible with all models 1972 and up. Note, this cable end 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 part number 18-2603. $89.99

Kit includes:
P/N 21710 Cable 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

For technical help, see our YouTube shift cable repair video

Customers who bought P/N 21450 also purchased:

90110 Tool
90110 Tool

Cable tool GLM aftermarket
P/N 90110 or OEM 91-12037 Used to remove and install cable on outdrive gimbal housings

90200 Hinge Pin Tool
90200 Hinge Pin Tool
Hinge pin tool GLM aftermarket hinge pin tool
P/N 90200 or OEM 91-78310 used to remove and install bell housing hinge pins from the Mercruiser, Alpha 1 and Generation 2 gimbal housings.
18-9031 Sierra bellows cement
18-9031 Sierra bellows cement
18-9031 Bellows cement used to hold and seal bellows in place
89080 mercruiser bellow OEM 74639A2
89080 mercruiser bellow OEM 74639A2
P/N 89080 Mercruiser Alpha One cable Bellows and small end clamp included with kit OEM 74639A2 $11.95

Customers also looked at:

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

21950 Mercruiser 4-cylinder V6 V8 350 30-803097T1

21950

P/N 21950 Sterndrive exhaust bellows kit Years 1973 thru 1990 with serial numbers 3469428 to 0D469800. OEM part number 30-803097T1 $145.95

Includes:

P/N 21906 Gimbal bearing
P/N 85910 oil seal
P/N 89080 shift bellow
P/N 89100 exhaust bellow
P/N 39622 bell housing gasket
P/N 47110/47120 water hoses
P/N 89050 drive shaft bellow

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 Gen 1 seal and gasket kit, replaces Mercury 26-33144A2 for years 1964 to 1990 Serial numbers 1684188 - OD469858. $44.99

Inluded in kit:

Oil seals
Gaskets
O-rings

90095 Bearing carrier puller in the lower unit

90095 Bearing carrier puller in the lower unit

P/N 90095 Prop and bearing carrier puller $104.99