OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives
OMC 800 upper gear case 21/16 gear set
GLM after market 800 upper gear case 21/16
OMC gear set for use with Stringer outdrive
Updated May 12 2026
- 800 Stringer upper gear case
- GLM Marine 21/16 gear set years 1968 thru 1985
- 5.7 liter Chevy V8 and 5.8 liter Ford stern drive upper gear case OEM # 982261
- 3 Tapered roller bearings included:
- 1st GLM bearing # 21544 OEM # 362212
- 2nd GLM bearing # 21545 OEM # 379585
- 3rd GLM bearing # 21547 OEM # 375761
- Tech trouble shooting illustrations with drawing and customer support number
- 1 year warranty on GLM Marine after market parts
22510 Gear set OMC V8-1.50
Compatible with 1968 – 1985 models: see model number below.
- 1968 200hp TUE-16C
- 1968 210hp TUE-17R
- 1969 210hp TUFR-69M, TUFM-69M
- 1970 210hp TUFR-19R, TUFM-19E, TUFR-19EB
- 1971 215hp TUFR-19EX, 20D; TUFM-19EX, 20D
- 1971 235hp XUFR-20S, 20C; XUFM-20S, 20C
- 1972 225hp TUFR, P, M-21S, 21C
- 1972 245hp XUFR, P, M-21R, 21A
- 1973 225hp 990211S, F
- 1973 245hp 990212S, F
- 1974 225hp 990211R
- 1974 245hp 990212R
- 1975 225hp 990211 R11 , 990211A (fixed mount)
- 1975 235hp 990240A (fixed mount, 990241A (SelecTrim)
- 1975 245hp 990212A (fixed mount)
- 1976 225hp 990211 A11 (fixed mount), 990211M (fixed mount)
- 1976 235hp 990240 A11, 990240M (manual trim)
- 1976 235hp 990241 A11, 990241M (SelecTrim)
- 1977 235hp 990240E (fixed trim), 990241E (SelecTrim)
- 1978 225hp 990254D & H (SelecTrim), 990251D (SelecTrim)
- 1978 240hp 990250D (fixed trim)
- 1979 230hp 990255, 990254
- 1979 250hp 990251, 990257, 990256
- 1980 260hp 990256C & 6CK, 990257C & 7CK, 990262C & 2CK
- 1981 260hp ALL
- 1982 to 1985 5.7L 350 Chevy
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P/N 22510
21/16 gear set
5.7L Chevy and 5.8L Ford stern drive $781.95 us
P/N 22510
21/16 gear set
5.7L Chevy and 5.8L Ford stern drive $822.89