2001; 2001B; 2001AG; 2001BG; 2002; 2002B; 2002D; 2002AG; 2002BG; 2003; 2003B; 2003D; 2003AG; 2003BG; 2003T; 2003TB; 2003 SOLAS; 2003B SOLAS; 2003T Transmissions Sail Boat Drive Unit S120C: C 2003B, 2003D Parts on group Sail Boat Drive Unit S120C: C: Pos. Part No Qty Parts name Comments 1. 853958 [1] Drive Ratio 2,2:1 1. 872806 [1] Drive Ratio 2,2:1 2. 852720 [1] Upper gear 2. 872808 [1] Gear 3. 853657 [1] Lower gear, lower gear unit 3. 876391 [1] Gasket kit See group 10A Parts catalog : Sail Boat Drive Unit S120C: D 2002B Sail Boat Drive Unit S120C: A 2001B Sail Boat Drive Unit S120C: D 2003T Sail Boat Drive Unit S120C: C 2003 Sail Boat Drive Unit S120C: B 2002 Sail Boat Drive Unit S120C: A 2001 Sail Boat Drive Unit S120C: D 2003TB Upper Gear Unit S-Drive Unit 120SB, S120C: 852720 2001, 2001B, 2002, 2002B, 2002D, 2003, 2003B, 2003D Upper Gear Unit S-Drive Unit 120SB, S120C: 872808 2001, 2001B, 2002, 2002B, 2002D, 2003, 2003B, 2003D Upper Gear Unit Sail Boat Drive Unit S120C: 853754 2003T, 2003TB Upper Gear Unit Sail Boat Drive Unit S120C: 872807 2003T, 2003TB Lower Gear Unit Sail Boat Drive Unit 120SB 2001, 2002, 2003