OMC Parts / OMC Cobra Stern Drive Tech Drawings

OMC Stern Drive 800 Series Replacement Gearcases
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New Aftermarket 800 / 400 Series OMC Stern Drive Upper Gearcase
  • Aftermarket OMC stern drive gearcases
  • Upper gearcase OMC 800/400 Stringer mount with gear ratios 21:16 with V8 - 5.7 or 5.8L 1:17 with V8 - 5L and 21:20 V6 outdrive
  • Upper gearcase OMC stern drive years 1973 thru 1985
  • Lower gearcase OMC stern dive years 1981 thru 1985 with 14:26 gear ratio for 800 series V8 and V6 outdrives
  • Dealer pricing and GLM catalog with illustrations of aftermarket OMC parts for ordering outdrives are available. Fax us in company letterhead to (416) 752-7278
  • T.C.Electronics / Marine tech support line (416) 751-7326

Aftermarket 800 series upper gear case
New-OMC-parts-21-16-A.jpg
# 27100 Ratio 21/16 Stringer 1974 thru 1985 800 Series Units

#27100 $1795.79 (with trade in)
# 28830 Aftermarket OMC parts lower gear case
OMC-parts-800-lower-D.jpg
# 28830 Ratio for all 6 Cyl or V8

#28830 $1895.79 with trade in
Complete lower gear housing assembly

OEM # 987242

aftermarket omc parts
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Aftermarket 21-16 new OMC stern drive parts
OMC stern drive 800 series lower unit
OMC-parts-800-lower-A.jpg
OMC 800 Series Lower Gear Case Outdrive
Aftermarket omc parts
Aftermarket replacement for 800 Series outdrive
Aftermarket replacement for 800 Series outdrive unit
Propeller shaft view 800 series stern drive
OMC-parts-800-lower-B.jpg
Lower gear case replacement gearcase for OMC outdrives

Need OMC outdrive parts are not listed ?

  • We can order almost any anodes, propshaft , drive shaft, bearings, bearing carriers , seals, seal kits, shimming tools, omc tools, shift rod, pinion nut adaptors and now electric shift cable for older omc sterndrives.

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