Alpha 1 & Gen. 2 Outdrive Parts *Drawings *Videos

T.C. Electronics / Marine ( 416 ) 751-7326 home page | Alpha One - Mercruiser Shift Shaft Bushing

Alpha One tapered roller bearings *Lower unit parts

Timken tapered roller bearings for lower gearcase

  • Timken cone and cup
  • Tapered roller bearings
  • Forward gear bearing

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21590 forward gear OEM 31-35928T1
21590 forward gear OEM 31-35928T1

P/N 21590 Forward gear roller bearing OEM # 31-35928T1 cone M804049N race M804010-N note I.D. is 1.875" $49.29

21591
21591

P/N 21591 OEM 31- 828437A2 Bearing I.D. 1.750" $90.89

Customers who ordered P/N 21590 also purchased:

Water pump 12120

12120

P/N 12120 Outdrive lower unit impeller water pump kit with housing. Works with 1984-1990 models. Replaces Sierra 18-3320. $35.95