**UPDATE 11/5/25** - We are out of the shop for the rest of this week on vacation so all new orders placed this weekend will not ship out until Tuesday (Nov 11) as Monday is Veteran's Day.

OMC 980994 0980994 Stringer Engine Coupler GM 120hp 140hp 3.8L 305 350 1976-1985

OMC 980994 0980994 Stringer Engine Coupler GM 120hp 140hp 3.8L 305 350 1976-1985
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OMC 980994 0980994 Stringer Engine Coupler GM 120hp 140hp 3.8L 305 350 1976-1985 OMC 980994 0980994 Stringer Engine Coupler GM 120hp 140hp 3.8L 305 350 1976-1985 OMC 980994 0980994 Stringer Engine Coupler GM 120hp 140hp 3.8L 305 350 1976-1985 OMC 980994 0980994 Stringer Engine Coupler GM 120hp 140hp 3.8L 305 350 1976-1985
$ 120.00
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Part Number(s) Included

  • OMC 980994 / 0980994 Rear Engine Coupling Coupler For GM Engines with 2-piece rear main seals
    • 20 Spline Applications (1976 & UP) - Do not confuse this with the earlier couplers that had 25 splines

General Application / Compatibility

  • This would be compatible with all GM Engines from the 1976-1985 Time period with 2-piece rear main seals (3.5" across pattern for bolt holes)
    • 120hp 4cyl 2.5L
    • 140hp 4cyl 3.0L
    • 3.8L V6
    • 4.3L V6 (1985 Only)
    • 5.0L V8 305
    • 5.7L V8 350

Other Details

  • Freshwater Used Parts
  • Splines in good shape
  • Original Paint
  • Overall Good Condition!

Purchase with confidence!

1976 1977 1978 1979 1980 1981 1982 1983 1984 1985


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