OMC parts drawing *400-800 upper gearcase
Stern drive parts drawing 400/800 series
Stringer upper gearcase
Last updated on 11/27/2023
Tech support 400-800 series gearcase
400-800 Stringer OMC parts drawing (upper gearcase)
27000 Aftermarket OMC stern drive case
21/16
5.7 liter Ford / 5.8 liter Chevy $1699.89 after trade in
21/17
5.0 liter 302 Ford / 305 Chevy $1699.89 after trade in
21/18
All 4 cylinder $1699.89 after trade in
21/19
4.3 Liter 262 V6 or 165 hp inline six cylinder $1699.89 after trade in
21/20
3.8 Liter 229 V6 $1699.89 after trade in
Item 7
P/N 22510 Gear set 5.7 liter V8 – 21/16 / 982261 $599.89
P/N 22512 Gear set 5.0L V8 – 21/17 / 982259 $550.99
P/N 22530 Gear set 3.8 liter V6 – 21/20 / 982835 $535.89
P/N 22514 Gear set 4.3. V6 or 165 hp. in line 6 cylinder engines – 21/19 / 984262 $499.89
Item 8
P/N 21544 ball gear retainer / 382212 $68.99
Item 9
P/N 21545 400-800 Bearing OEM 379585 $88.99
22020 Ball Gear upper gearcase
P/N 22020 Upper housing ball gear 908069 $189.95
For complete ball gear kit.
87650 Upper gearcase 1973-1985 OMC seal kit
Parts included in seal kit:
3 O-ring 82250
4 O-ring 82250
4 O-ring 82140
5 Quad ring 42140
6 Quad ring 41120
10 O-ring 82350
11 Oil seal 86080
13 Nut 22330
14 Cover 22030
15 Gasket 34180
16 Gasket 33050
17 Lock nut 22310
18 O-ring 82360
20 Oil seal 86090
22 Shaft seal 86100
24 O-ring 82520
29 O-ring 80220
P/N 87650 Seal kit / 982949 $59.99
P/N 87651 Seal kit 1968 to 1972 with press on ball gears / 981799 $67.89
Item 19
P/N 21546 Bearing / 382165 $27.99
Item 21
P/N 22412 Low profile / 909121 $188.89
Item 23
P/N 12390 Pump housing part included in water pump kit OEM-983298 $69.89
Item 25
P/N 89595 Key / 308928 $10.89
Item 26
P/N 89760 800 series impeller removal & installation video OEM-379475 $31.89
See our complete impeller kit here
