AQ225D; AQ225E; AQ225F; BB225A; BB225AV; BB225B; BB225C; 275; 280B; 290A; 290DP; MS3B; MS3C; MS4A Transmissions Lower Gear Unit EPC Volvo Penta Parts catalog

Lower Gear Unit

Pos.	Part No	Qty	Parts name	Comments
1.	853434	[1]	Lower gear
1.	876109	[1]	Gear housing	(875433)
2.	832722	[1]	Bearing housing
3.
4.	853431	[1]	Exhaust outlet
5.	959447	[1]	Hex. socket screw
6.	183497	[1]	Needle bearing
7.
8.	941812	[2]	Hex. socket screw
9.	832555	[1]	Countershaft
10.	183374	[1]	Ball bearing
11.	941832	[1]	Shim	TH=0,05mm
11.	941833	[1]	Shim	TH=0.20mm
12.	875440	[1]	Propeller shaft
13.	183390	[1]	Needle roller bushin
14.	11072	[1]	Roller bearing
15.	897387	[1]	Clamping ring
16.	907023	[1]	Lock washer
17.	906633	[1]	Round nut
18.	814164	[1]	Nut
19.	814165	[1]	Washer
20.	181366	[1]	Ball bearing
21.	907025	[1]	Lock washer
22.	906635	[1]	Round nut
23.	832624	[1]	Gear set	Ratio 1,61:1
23A.	948407	[1]	Spring pin
24.	914474	[1]	Snap ring
25.	814482	[1]	Oil strainer
26.	832548	[1]	Pump rotor
27.	832725	[1]	Thrust ring
28.	953449	[6]	Stud
29.	955825	[6]	Hexagon nut
30.	925261	[2]	O-ring
31.	875805	[1]	Zinc ring kit
32.	940203	[2]	Screw
33.	897426	[2]	Sealing ring
34.	839534	[1]	Line cutter
35.	850785	[1]	Spinner
35A.	851261	[1]	Spacer washer
36.	897367	[1]	Lock washer	Alt
37.	839354	[1]	Plug
38.	955974	[1]	O-ring
39.	850889	[1]	Screw
39A.	850888	[1]	Plastic washer
40.	944522	[1]	Shim	TH=0,05mm
40.	42981	[1]	Shim	TH=0,10mm
40.	968057	[1]	Shim	TH=0.20mm
40.	42980	[1]	Shim	TH=0.35mm
41.	944970	[1]	Shim	TH=1,60mm
42.	944561	[1]	Shim	TH=0,05mm
42.	944562	[1]	Shim	TH=0,10mm
42.	851767	[1]	Shim	TH=0.20mm
43.	832191	[1]	Gasket
44.	925256	[1]	O-ring	Included in complete AQ 275 drive unit.
45.	850304	[1]	Splined sleeve	Included in complete AQ 275 drive unit.
46.	914508	[1]	Snap ring
47.	941810	[4]	Hex. socket screw	Included in complete AQ 275 drive unit.
48.	853095	[4]	Washer	Included in complete AQ 275 drive unit.