Printer friendly outdrive repair help Search by OEM service number or description
Click image below 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 gearcase parts drawing
Check to see if spring is broken
Electric shift swival housing repair
OMC Electric Shift
Lower seal kit
Stringer electric low propile exhaust housing
intermediate ball gear shaft repair
OMC gear head bearing retainer
OMC used electric shift clutch spring
Flat rate rebuild cost
Stringer Prestolite tilt motor 1967-1977
Forward gear clutch hub spring
intermediate housing press on ball gear
OMC 400-800 sterndrive
Used gear sets
Stringer Ball Gear Parts
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
Used OMC part for years 1970 to 1977 exhaust housing $139.29
outdrive bearing retainer repair
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
Prop shaft bearing retainer is machined to hold 3 seals that will locate in different position on the prop
Bearing retainer is then sand blasted and painted.
Additional parts and costs may be required for
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.
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 instalation tab on bottom.
Cost of $17.95 per required helicoil.
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
can tig weld electric shift upper or lower gearcases do to impact damage for years 1967 to 1977 in most cases.
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.
History of Outboard Motor Corporation engineering, designs and models.