OMC electric shift sterndrive repair *OMC parts drawing *Video

OMC sterndrive exploded view parts catalogs
Flat rate electric shift outdrive repair costs, Electric shift switch, Rebuilt clutch springs,
Co-manufacturer and distributor for GLM Products Inc.

Last updated on 7/23/2023, 9:18:47 AM

Printer friendly outdrive repair help
Search by OEM service number or description
Click image bellow for replacement item
Video how to separate
upper-lower OMC Cobra

OMC Intermediate housing parts drawing

400-800 OMC parts drawing upper gearcase

OMC electric shift lower unit 1970 to 1977

Check to see if spring is broken

Electric shift swivel housing repair

OMC Electric Shift

Shifter box

Video Help

Lower seal kit

Stringer electric low profile exhaust housing

intermediate ball gear shaft repair

OMC gear head bearing retainer

OMC used electric shift clutch spring

High profile Flat rate rebuild cost

Stringer Prestolite tilt motor 1967-1977

Forward gear clutch hub spring

Drive Shafts

intermediate housing press on ball gear

OMC 400-800 sterndrive

Used gear sets

Stringer Ball Gear Parts

electric shift
1970 to 1977 Rebuilt electric shift lower gear case $1199.95 *after trade in. $360 core deposit required.
OMC stern drive shifter switch with wire
Shift switch available with drawings and photo installation help
exhaust housing
Used OMC part for years 1970 to 1977 exhaust housing $139.29
outdrive bearing retainer repair
lower unit

Lower gear case repair for 10 and 8 bolt swivel housing models includes:

  • Replacing or repairing forward or reverse spring, new drive shaft bearing, new seals, pressure testing. Swivel housing is sand blasted and painted.
  • Lower vertical seals 2 units that are offset to land on a different position on shaft in case of previous drive shaft wear.
  • Prop shaft bearing retainer is machined to hold 3 seals that will locate in different position on the prop shaft.
  • Bearing retainer is then sand blasted and painted.
  • Additional parts and costs may be required for repair.
  • Note: broken clutch spring breaking on the gear face included with basic repair.
  • If how ever the clutch spring can not be repaired a used spring will be installed adding $55.00 to the cost of the basic repair.

Basic repair cost – $695.95

Zinc chromate and primer with a white epoxy paint for lower unit (if requested) – $129.89

The following may be required if your electric shift lower unit has run in salt water for periods of time :Drill old hole 13/64 in aluminum 3/4 inch deep. Tap hole with #5401-4 helicoil 1/4 -20 inch thread
Place loctite retaining compound #680 or #609 on helicoil to hold tread in place
Insert stainless steel coil and break off installation tab on bottom. Cost of $17.95 per required helicoil.

Re-manufactured stern drives

800 series 1972-1985 assembly (lower unit)

Rebuild Costs and Price Quotes

800 series OMC upper gearcase repairs.

Electric shift sterndrive lower units years 1967 to 1977

Packing and shipping parts information.

Repair Manuals

Johnson / Evinrude manual

Mercruiser manual

Special deals

Lower unit OMC oil filling pump

Aluminum tig welding

We have V310 T technologically advanced AC/DC Miller dynasty series 700 tig welding machine that is used to weld aluminum outdrives.
The flat rates to tig welding aluminum lower units is $90.00

Trish can tig weld electric shift upper or lower gearcases do to impact damage for years 1967 to 1977 in most cases.

Outdrives with broken skeg or lower unit aluminum top fin in most cases the sterndrive can be left together.
With our new high frequency arc, square wave, fast freezing puddle and deep penetration there is a lower amount of heat generated.

Tech information

History of Outboard Motor Corporation engineering, designs and models.

How to install the outdrive

Ball gear troubleshooting for excess wear for excess wear or removal and shimming.

Technique to remove broken drive shafts.

Do you have high or low profile upper gearcase.

400-800 OMC true-coarse steering right or left with power steering ?

OMC Technical Support videos

Tech support is available from Wayne at our Canadian location
Search on Google for YouTube videos by Wayne Coll
Select the repair video needed there is no charge to view

Sample of repair videos :

  • Mercruiser outdrive bellow and shift cable repair 592,000 views
  • Water pump removal and repair video 320,000 views
  • How can I remove my Alpha One generation 2 lower unit 76,000 views

T.C. Electronics/Marine Parts Warehouse

GLM aftermarket stern drive assemblies including upper and lower gear cases. GLM Marine gears with supporting drawings.

Complete provider for stern drive gear-cases. 48 hour rebuilding on Cobra upper-lower units. In-house aluminum welding.
800 Stringer series components in stock at our Canadian and USA locations.

US and Canadian shipping locations

Monrovia CA. 91016 USA

Toronto Ontario M1R-5G2 Canada

Shipping costs and delivery times via FedEx Express

We ship FedEx 2 day priority air service $24.75

To anywhere in the continental United States and Central Canada.

$37.75 for up to 3 lbs. to the following countries:

Austria-Denmark-Finland-France-Germany-Hungary-Norway-Poland-Sweden-Switzerland-UK and Europe

International shipping costs – world wide

Special items we stock

New and used stringer parts years 1967 to 1977 Upper-lower gear-cases and gears to go in them. Older type boats with electric sterndrive components years 1964 to 1977.

T.C. Electronics/Marine runs listings in newspapers for boats wanted dead or alive to maintain a supply of electric outdrives.

We have a machine shop for special adapter bushings required for older electric shift outdrives.

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