Mercruiser outdrive parts drawing *Videos *SEI sterndrive

T.C. Electronics/Marine Home Page

Mercruiser bearing 1-25/32 inch (drive shaft cover)

Outside diameter of 1- 25/32 inch for drive shaft cover assembly

  • GLM outdrive part number 21511
  • OEM # 31-32575A1
  • Roller bearing fits into outdrive cover with # 23261 shims behind the till 2 to 6 inch pounds of torque is reached
  • 4 bolts on top holding cover require 15 to 20 pounds of torque
  • Mercruiser exploded view drawings

21511 bearing

21511 bearing $12.99


Customers who viewed this item all so
purchased one of the following:

28400 Top cover assembly 94998A4

28400 Top cover assembly 94998A4

P/N 28400 Upper gearcase cover assembly OEM 94998A4. Only compatible with MR/Alpha one models 1983 - 1990. Does not work with older models $125.99

23261 kit

Shim kit 23261

P/N 23261 Shim kit for top or cover unit #21511 with outside diameter of 1-25/32 inch / 15-32563A1 $5.95

See our application chart for help with your model