Mercruiser Outdrive Parts Drawings *How to Videos

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Mercruiser bellows kit *Bell housing *Transom service

Transom bell housing parts for 1973-1990 Models with video

  • Outdrive kits includes u-joint, shift cable and exhaust bellows with clamps, 2 water hoses (3/4 inch and 5/8 inch ID), gimbal bearing with oil seal and mounting gasket with drive shaft o-rings
  • 120/140 models serial numbers 37870850 - 6225576
  • 470/485 s/n 4208730 - 6225575
  • 160/165 s/n 2065190 & up
  • 888 s/n 3106717 & up
  • V8 models s/n 3856268 & up

21950 Mercruiser Kit 30-803097T1

21950 Mercruiser Kit 30-803097T1

P/N 21950 Bell housing rebuild parts. Replaces OEM 30-803097T1 or Sierra P/N 18-2061. $145.95 This includes the u-joint P/N 89050 (OEM 60932A4) with a ridge on the inside lip. This part is used for models from 1973 and up only. If you have a 1972 or older model without the ridge on the inside of the tube, you will need P/N 89040 (OEM 36223A2). This item is sold separately below or can be switched by contacting us by phone before ordering.

P/N 21950-89040 Same kit as above, but contains P/N 89040 for the 1967 - 1972 stern drive models. $169.95

21950-90200 Transom Repair Package

21950-90200 Transom Repair Package

P/N 21950-90200 *Most Popular*

Complete transom repair package for 1973 - 1990 models. Includes adhesive glue, and the hinge pin tool required to remove and install the pins on the side of the bell housing. $179.95

Part P/N 21950 replacement takes approximately 3 - 6 hours depending on skill level.
Please watch our repair video with step by step instructions
on performing this repair job.

21951 Exhaust Tube 30-803098T1

21951 Exhaust Tube 30-803098T1

P/N 21951 (same as above, but contains exhaust tube instead of accordion style hose). Replaces 30-803098T1 or Sierra 18-8206. $159.95

21960 Transom Parts Alpha 1 Gen 2

21960 Transom Parts Alpha 1 Gen 2

90200 Mercruiser hinge pin tool

90200 Mercruiser hinge pin tool

P/N 90200 Hinge pin tool $17.95
This tool is recommended for removing the hinge pins. Attempting to remove the hinge pins with a large hex key (Allen key) is not recommended as it could result stripping the pins making removal extremely difficult and time consuming. Replaces OEM 91-78310 or Sierra 18-9861.

39590 outdrive gasket 27-64818T4

39590 outdrive gasket 27-64818T4

P/N 39590 Bell housing gasket set. Replaces 27-64818T or 18-2614.
$0.00 (free with purchase of P/N 21950 or 21951)
MC-1 models up to the year 1982 (non-Alpha 1 models) use this gasket which has 1 less hole. Make sure to add this part to your cart if your sterndrive is older than 1983.

P/N 39590 OEM 27-64818T (1983 & older)
$6.15 (if purchased without 21950 or 21951)

 
P/N 18-9031 cement $19.15

90360 Bellows Expander Tool 91-45497A1

90360 Bellows Expander Tool 91-45497A1

P/N 90360 Expander tool $62.95 Installs u-joint bellow on all models

89040

89040

P/N 89040 OEM 36223A2 Drive shaft/U-joint hose $48.95 This is used on models older than 1973. There is no ridge on the inside of the hose lip. If you would like to change the part from kit 21950 or 21951 to include this item instead, please contact us before ordering.