OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives
- MerCruiser Alpha Trim cylinders & Hoses
Alpha one trim cylinder *Hoses for 4 cylinder V6-V8 parts drawing
Updated May 8 2026
- P/N 9B – 106 – 02 and 9B – 106 – 01 trim cyl. replace
OEM 14034 A3 and 14035 A3 - Works with serial numbers 6225577 to 0D 469858,
years 1983 to 1990 MR and Alpha 1 models - 16-3/16 inches long, fully ready to install
- Trim hoses and hub kit available
- Alpha one trim cylinder parts drawing
- Mercruiser Alpha One gen 2 gear set
Trim cylinder and hoses 1983 to 1990
Photo
Description / OEM #
Price
(USD)
Price (Canadian)
9B - 106A Alpha 1 trim cylinder hoses
Part #A
P/N 9B-106A Trim cylinder hose kit for MR/Alpha 1 models years 1983 to 1990 with 16-3/16 inch cylinder, serial numbers 6225577 to 0D 469858, and Alpha 1 Gen 2 models years 1991 and up with serial numbers 0D 469859 and up.
Includes:
9B – 106 – 12 Starboard hose 99902
9B – 106 – 11 Port hose 99903
9B – 104 – 10 x 2 Cylinder to connector hose
$
$
9B-106A
Part #B
P/N 9B-106A-21970 Trim cylinder hose kit with trim connector kit for MR/Alpha 1 models years 1983 to 1990 with 16-3/16 inch cylinder, serial numbers 6225577 to 0D 469858, and Alpha 1 Gen 2 models years 1991 and up with serial numbers 0D 469859 and up.
Includes:
9B – 106 – 12 Starboard hose 99902
9B – 106 – 11 Port hose 99903
9B – 104 – 10 x 2 Cylinder to connector hose
21970 Connector hub kit 98825 A4
$ 71.89
$ 93.89
21370 Front trim ram bushing pin kit 17-14873A1
Item #C
P/N 21370
Trim ram bushing kit (front). For MR/Alpha 1, 1983 – 1990 models only.
Rod is 11 – 13/16 inches long with 7/16 – 20 threads.
Includes:
21410 17 – 14873 A1 Rod (Front)
21170 (2) 11 – 859116 Locknut
21660 (2) 12 – 85058 Washer
21670 (2) 12 – 44163 Washer
26330 (4) 23 – 9929 1T Bushing
26480 (2) 19 – 14842 Cap
$ 121.89
$ 158.89
21380 Rear power trim ram bushing kit 17-14872A1
Item #D
P/N 21380 Trim ram bushing kit (rear). For MR/Alpha 1, 1983 – 1990 models only.
Rod is 9 – 1/8″ long with 7/16 – 20 threads. Replaces 17 – 14872 A1.
Includes:
21400 17 – 14872 A1 Rod (Rear)
21170 (2) 11 – 859116 Locknut
21672 (2) 12 – 815952 Washer
21660 (2) 12 – 85058 Washer
21670 (2) 12 – 44163 Washer
26330 (4) 23 – 9929 1T Bushing
26480 (2) 19 – 14842 Cap
$ 86.89
$ 112.89
9B-104-10 Trim cylinder to connector hose
Item #3
P/N 9B-104-10 Trim cylinder to connector hose, replaces 99904.
For MR/Alpha 1 models years 1983 to 1990 with 16-3/16 inch cylinder, serial numbers 6225577 – 0D 469858, and Alpha 1 Gen 2 models years 1991 and up. Serial numbers 0D 469859 and up.
$
$
9B – 106 – 01 MerCruiser Alpha 1 starboard trim cylinder 14034 A3
Item #4
P/N 9B – 10 6- 01 Starboard side complete trim cylinder assembly for MR/Alpha 1 models years 1983 – 1990 with serial numbers 6225577 to 0D 469858.
Not compatible with MC-1 models years 1970 to 1982 or Alpha 1 Gen 2 models years 1991 and up. Replaces 14034 A3.
$
$
9B - 106 - 02 MerCruiser Alpha 1 port trim cylinder
Item #5
P/N 9B – 106 – 02 Port side complete trim cylinder assembly for MR/Alpha 1 models years 1983 – 1990 with serial numbers 6225577 to 0D 469858.
Not compatible with MC-1 models years 1970 – 1982 or Alpha 1 Gen 2 models years 1991 and up. Replaces 14035 A3.
$
$
9B - 106 -12 Trim hose Alpha 1 Gen 2 starboard 99902
Item #6
P/N 9B – 106 -12 Starboard trim hose, replaces 99902.
For MR/Alpha 1 models years 1983 to 1990 with 16 -3/16 inch cylinder, serial numbers 6225577 to 0D 469858, and Alpha 1 Gen 2 models years 1991 and up serial numbers 0D 469859 and up.
$
$
9B-106 -11 Hose Alpha 1 Gen 2 Port 99903
Item #7
P/N 9B – 106 -11 Port trim hose, replaces 99903.
For MR/Alpha 1 models years 1983 – 1990 with 16-3/16 inch cylinder. Serial numbers 6225577 to 0D 469858 and Alpha 1 Gen 2 models years 1991 and up with serial numbers 0D 469859 and up.
$
$
21660 Washer 12 - 85058
Item #11
P/N 21660 Washer, replaces 12 – 85058. Only included in kit #21380 and #21370.
$
$ 4.89
26330 Bushing
Item #12
P/N 26330 Bushing (1 unit), replaces 23 – 99291. 4 required for front pin, 4 required for rear pin.
$ 8.89
$ 10.89
21670 Washer 12 - 44163
Item #13
P/N 21670 Washer, replaces 12-44163. Only included in kit #21380 and #21370.
$
$ 4.89
21170 Lock nut 11 - 859116
Item #14
P/N 21170 Washer (5 per order), replaces 11 – 859116.
$
$ 4.89
21970 trim connector kit 98825 A4
Item #16
P/N 21970 Trim connector kit with 2 inputs and 4 outputs. Replaces manifold assembly OEM 98825A4.
For MR/Alpha 1 models years 1983 to 1990 with serial numbers 6225577 to 0D469858. Alpha 1 Gen 2 models years 1991 and up with serial numbers 0D 469859 and up. Will work with Bravo 1 outdrives.
Includes:
05009 x 2 Lock-washer 13 – 78968
21971 Junction Block Body
22440 Screw 10 – 28668
32160 Gasket 27 – 99506 – 1
32500 Gasket 27 – 99506 – 1
$ 71.89
$ 93.89
26480 End cap 19 - 14842
Item #17
P/N 26480 End cap. For Alpha 1 Gen 1 models only (1984-1990). Replaces 19-14842. Only available in kit #21370 and #21380.
$
$ 4.89
People who purchased the above also purchased the following:
P/N 89840 Impeller
P/N 89840
Impeller OEM 47 – 89984 T4 for MC-1 / R / MR and Alpha One
Years 1966 to 1990 with serial numbers 2495186 – OD 469858
$24.89
$24.89
P/N 11070 Impeller key
P/N 11070
Impeller key for MC-1 / R / MR / Alpha One.
Years 1966 to 1990 with serial numbers 2495186 to OD 469858
$4.89
$4.89
Johnson gasket compound 508235
P/N 508235
Gasket sealing compound – 4 FL. OZ (118 ml). This sealant is used on the o-rings and gaskets when re-sealing the outdrive.
$22.95
$27.95
15201 Chevy V6-V8 Engine water pump
P/N 15201
Inline 6 Cylinder engines small block engine water pumps
OEM: 884727, 3854017
229 CID – 3.8 Liter
262 CID – 4.3 Liter
250 CID – 4.0 Liter
305 CID – 5.0 Liter
350 CID – 5.7 Liter
$127.89
$127.89