OMC 800 upper gearcase parts *1978 to 1985

illustrated ball gear photos for your stern drive repairs

Last updated on 11/28/2023

  • Need help with your OMC stern drive? Look at illustration and photographs of outdrive parts.
  • Take this GLM Marine catalog link.
  • Ideal for factory certified technician or just boating enthusiasts or the marine boat mechanic performing their own work.
  • Tech support for aftermarket outdrives

Upper gear case outdrive assembly OEM 982488

  • OMC outdrives come in 4 gear ratios. Steering worm gear and water pump must be changed over and unit should be pressure tested.
  • Upper gear case contains the following: ball gear, gears set, drive shaft, bearing retainer assembly, shims, seal kit, oil seals, cover, seals, nut, and plug.
  • Water pump shaft and water pump kit available but not included.
22050 GLM aftermarket OMC ball gear kit 400-800 outdrives

P/N 22050 Aftermarket OMC ball gear kit 1973 to 1986 $320.99

314579 OEM press on

$199.89 press on type 1969 to 1972 one unit only (used)
Please call for availability before ordering

22010 intermediate housing
P/N 22010 Intermediate housing $142.95
22020 upper gearcase
P/N 22020 Ball gear OEM 908069 $189.95
12190 OMC Water pump kit

Includes: O-rings, Water pump plate, Impeller, Seal and Pump housing P/N 12190 water pump kit $87.89 Need help looking for water pump installation how to video

27100 New upper 21-16

Rebuilt unit $1699.89 *after trade in all gear ratios and steering types available

27000 stern drive case

P/N 27000 Empty 800 upper gear case $1283.29

22590 gears bearing retainer assemble
P/N 22590 Complete bearing housing 21/16 assembly $1599.95
P/N 22580 V8 5.0 liter ratio (21/17)

P/N 22567 Ratio (21/18)

22530 21-20 gear set bearings
P/N 22530 (21/20) OEM 982835 $535.99
22510 21-16 gear set bearings
P/N 22510 21/ 16 gears OEM 982261 $599.89
22512 21- 17 gear set bearings omc parts
P/N 22512 (21/17) OEM 982259 $566.89
23310 OMC Shim kit
P/N 23310 5 piece shim kit $19.89
27860 Upper gearcase top
P/N 27860 $162.95
27950 Bearing housing 800 series
P/N 27950 $158.99
21731 Oil drain screw with magnetic
P/N 21731 $9.95
23320 shim kit 800 series
P/N 23320 $16.99
87650 seal kit
P/N 87650 seal kit $59.99
87651 Upper gearcase 1968-1972 seal kit 100 thru 245 h.p
P/N 87651 $67.89
22310 Lock Nut
P/N 22310 $5.95
22307 Screw 800 series
P/N 22307 $4.95
22330 ball gear nut
P/N 22330 nut $10.89

More upper gear-case parts 21 to 44 Click here