Ref.

  P/N
  CONNECTING COMPONENTS REVERSE GEAR VOLVO PENTA 1.91:1 RATIO MD21A
DESCRIPTION
1      Reverse gear
-      ...Components, see group 4B
2      Carrier (1)
-   827927-5   Carrier, see group 9
3   959239-5   ...Screw
4   955783-6   ...Nut
5   941908-6   ...Washer
6   907599-5   ...Pin
7   826737-9   Flywheel casing
8   826765-0   Gasket
9   940142-3   Bolt Length 30MM
10   955297-7   Screw Length 25MM
11   955894-1   Washer
12   970948-6   Screw Length 30MM
13   955895-8   Washer
14      Lift eye, see group 2A
15   959667-7   Screw Length 50MM, see group 2A
16   959671-9   Screw Length 70MM, see group 2A
17   940280-1   Washer, see group 2A
18   853893-6   Gasket
19   970956-9   Screw Length 70MM
20   970947-8   Screw Length 25MM
21   941908-6   Washer
22      Operating handle
23      Handle
24   418657-3   Ring
25   826884-9   Hose connection, see group 2B
26   924074-8   Stud bolt
27   955782-8   Nut
28   955894-1   Washer
29   941799-9   Hose
30   961669-9   Hose clamp
31   829314-4   Rubber bend
32   943476-2   Hose clamp (951792)
33      Propeller shaft flange (2)
34   819153-8   Rubber coupling, see group 9
35      Cooling water intake, see group 9
       ERF = Order as required state, length, etc.
       N.S.S. = Not Sold Separately
       (1) Drilled 30mm
       (2) Drilled 35mm