430; 430A; 430B; 431A; 431B; 432A; 434A; 500B; 501B; 570A; 572A; 740B; DP-A; DP-A1; DP-A2; DP-C; DP-C1; DP-C1 1.95; DP-C1 2.30; DP-D; DP-D1; DP-D1 Miscellaneous Equipment Extension Kit 4'': 872090 Parts on group Extension Kit 4'': 872090: Pos. Part No Qty Parts name Comments 1. 872090 [1] Extension kit 2. 5. 872128 [1] Splined sleeve 6. 872087 [1] Shaft 7. 941809 [3] Hex. socket screw 8. 941810 [4] Hex. socket screw 9. 925256 [1] O-ring 10. 125017 [1] O-ring 11. 941820 [1] O-ring 12. 897823 [1] Oil pipe Parts catalog : Extension Kit 4'': 841318 Tachometer Kit Extension Kit 1'': 854686 Extension Kit 1'': 839548 Hour Meter Kit. Voltmeter Kit: 1140464 Hour Meter Kit. Voltmeter Kit: 858877 Electronic Speed and Distance Log Kit High Speed Pitot Tube Log Kit Control Cables Installation Kit for Silencer Exhaust Outlet Drive Unit Exhaust Line