Mercruiser Alpha 1 Gen 2 exhaust bellows

Transom - bell housing replacement parts for 4 cylinder
V6 and V8 models

Last updated on 3/26/2026

Drive shaft and exhaust tubes include hose clamps and grounding clip
Adhesive / glue is required for installation
Make sure to replace any rubber that has a crack, hole or tear
Manufactured by GLM Marine with a 2 year warranty
Click here for Alpha 1 transom service kits.

89100 Mercruiser Bell Housing Exhaust Bellow

Photos

Description / OEM #

Price
(USD)

Price (Canadian)

89180 Exhaust

P/N 89180 For drive shaft. Alpha 1 Gen 2 models (1991 and up, serial numbers 0D469859 – up)

816431A1

$51.99

$72.99

89100 Exhaust bellow

P/N 89100

Exhaust bellow for all models, all years except TRS

74639A2

$25.99

$34.99

89080 Shift cable rubber seal

P/N 89080

Shift cable seal with small end clamp

Compatible with all years all models except Bravo and TRS

74639A2

$13.99

$19.99

21960 Transom service kit

P/N 21960 Alpha 1 Gen transom service kit with bearing
1991 and up, serial numbers 0D469859 and up
30-803099T1

Parts included:
21906 Gimbal housing bearing

39622 Outdrive installation gasket kit.

47110 3/4 inch water hose

89080 Drive shaft and shift cable bellows

85910 Oil seal
89100 Sleeve
89180 Exhaust

$215.99

$301.99

21960-K1

P/N 21960-K1 Bellows kit (Same as above)
Also includes P/N 90200 hinge pin tool and P/N 92-86166Q1 Quicksilver bellows adhesive

1991 and up, serial numbers 0D469859 and up # 30-803099T1

Parts included:

90200 Hinge pin tool
92-86166Q1 Bellows adhesive
21906 Gimbal housing bearing
39622 Outdrive installation gasket kit
47110 3/4 inch water hose
89080 Drive shaft, shift cable
85910 Oil seal
89100 Sleeve
89180 Exhaust

$255.99

$357.99

21960-K2

P/N 21960-K2 Bellows kit (Same as above) – also includes P/N 508235 gasket compound for bell housing gasket (1991 and up, serial numbers 0D469859 and up

Parts included:

508235 Gasket compound
90200 Hinge pin tool
92-86166Q1 Bellows adhesive
21906 Gimbal housing bearing
39622 Outdrive installation gasket kit
47110 3/4 inch water hose
89080 Drive shaft, shift cable
85910 Oil seal
89100 Sleeve
89180 Exhaust

$265.99

$372.99

21960-K3

P/N 21960-K3 Bellows kit (Same as above) – also includes P/N 90460 expander tool(1991 and up, serial numbers 0D469859 and up)

Parts included:
90360 Expander tool
508235 Gasket compound
90200 Hinge pin tool
92-86166Q1 Bellows adhesive
21906 Gimbal housing bearing
39622 Outdrive installation gasket kit
47110 3/4 inch water hose
89080 Drive shaft, shift cable
85910 Oil seal
89100 Sleeve
89180 Exhaust

$316.99

$439.99

Compounds / Sealants

92-861166Q Adhesive glue

P/N 92-86166Q1

Quicksilver bellows glue / adhesive. Replaces Sierra 18-9031.

$22.99

$29.99

90200 Hinge Pin Tool

P/N 90200
Hinge pin tool 91-98310

Description :

Removes and installs hinge pins from bell housing

$17.95

$23.89

90360 Bellows expander tool

P/N 90360

Bellows expander tool