OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives

GLM Marine aftermarket parts drawing for OMC upper gearcase sterndrive repair

Last updated on 11/13/2023

  • Comprehensive photo listing just below this drawing

Upper gearcase stringer drawing

Upper gearcase stringer drawing

OMC parts drawing 800 series

Part number and Description

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OMC upper

1A

Rebuilt OMC 800 upper gear case with new gears, shafts, ball gear and water pump

#R-UPPER
800
$1595.00

#R-UPPER
800
$1993.00

Upper gearcase stringer drawing

27000 omc stern drive case

1B
New OMC Stringer upper gearcase housing only (no parts)

#27000 
$1300.00
 us

#27000 
$3,122.89

87650 Upper gearcase 1973-1986 seal kit

2B
O-ring seals gaskets for # 2, 3, 4, 5, 6, 10, 11, 15, 16, 18, 20, 24 and 29 included

#87650 
$59.99
 us

#87650
 $82.89

87651 Upper gearcase seal kit

2C
87651 Upper gearcase 1968-1972 seal and gasket set

O-ring seals gaskets for # 2, 3, 4, 5, 6, 10, 11, 15, 16, 18, 20, 24 and 29 included

#87651
 $49.95 us

#87651 
$ 89.89

Upper gearcase stringer drawing

22510 Gear Set 350 Chevy

7A

Gear set 5.7L-V8 Click on picture to see all gear ratios

Pinion 909606
Drive gear 909807

#22510
Gear set
5.7L-V8 
$613.99 us

P/N 22510
$822.89

22530 Stringer 800 V6

7B

 

Gear set 4.3 V6 Click on picture to see 21/20 all gear ratios

#22530
21/20 gears 
$535.99 
us

#22530
21/20
gears
$583.89

22512 5.0-Ford-GM

21/17 gear set.

Click on picture to see all gear ratios and hp. ratings. You will also see in high altitude areas in place of the 21/16 gear set. 

Pinion 909652
Drive gear 989186

#22512
21-17
gear set
$550.99 us

#22512
21-17
gear set
$ 736.89

7D

 

Gear set 165 hp inline 6 and 4.3L V6

Pinion 909185
Drive gear 907863

#22514
21-19
gears 
$618.95
us

#22514
21-19
gear set
$ 559.89

7E

 

Gear set 4 cylinder, 120 / 140 models 1978 – 1985. Call for 1973 – 1977 4 cylinder gear sets

18 Tooth pinion 905203 or GLM 0503

#22518
21-18 
$572.99
us

#22518
21-18
$ 766.89

OMC Stringer 4 Cylinder 120-140 hp

7F

Gear set 4 cylinder
Call for 1967 – 1977
4 cylinder gear sets

Pinion 16 tooth
Drive gear 20 tooth

4 Cylinder 120-140

7G

 

Gear set 4 cylinder,
Call for 1973 – 1977

Pinion 20 tooth
Drive gear 19 teeth

22590 OMC 21-16 gears bearing retainer assembled

7F

 

Gear set 5.7L-V8 Click on picture to see parts and all gear ratios

#22590
 21-16
rebuild assembly
parts 
$1495.95
us

22590
21-16
rebuild
assembly
parts
$ 1,532.89

21544

8

Bearing OEM parts

#21544 
$68.99 
us

#21544 
$ 91.89