OMC parts 800 / Cobra outdrive drawings * How to videos

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New OMC Cobra upper gearcase *Gear replacement kits

GLM Marine aftermarket upper gear sets
with 2 year warranty

  • GLM aftermarket upper gear case replacement gear sets
  • Available for 4.3 V- 6 GM and 5.7 GM / 5.8 Ford V- 8 Outdrive upper gear cases

Exploded View OMC drawings

gear case replacement kit
gear case replacement kit

P/N 22542 Cobra gears upper gear case replacement 21/19 gear ratio OEM 984013 $1,746.95

22520 gear set 21-16
22520 gear set 21-16

P/N 22520 Gear Ratio 21/16 V-8 OEM-983825 $890.95

22540 21-19
22540 21-19
P/N 22540 21/19 Aftermarket gear set parts
V6 3.8L and 4.3L OEM-984012 $972.95

22560 21-18
22560 21-18
P/N 22560 GLM Marine aftermarket OMC Cobra 21-18 ratio with 5.0 liter Ford V8 engines, 2.3 liter years 1987 to 1990 and 3.0 liter years 1986 to 1989 OEM-983826 $1,038.95

 
P/N 22544 GLM Marine aftermarket 21-17 ratio with 7.5 liter 460 Ford engine, 5.8 liter Ford V8 EFI engine and 5.0 liter 305 Chevy OEM-983835 $846.95

21-17
21-17
P/N 29930R Rebuilt upper outdrives with aftermarket OMC gear set 1 year warranty $1529.95 (after trade in) 21/17 gear ratio

21-16 OMC outdrive with trade in
21-16 OMC outdrive with trade in
P/N 29910R Assembly for 21/16 upper gear case replacements $1549.95 (after trade in)

21-16 OMC outdrive with trade in

21-16 OMC outdrive with trade in

P/N 29940R Use with 21/19 assembly for upper gear case replacement $1589.95 (after trade in)

Need help with Cobra outdrive repairs? Our website will soon have drawings with tech layouts showing tools used when making repairs to stern drive units.