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.	839390	[1]	Lower gear	Ratio 1,61:1
2.	875523	[1]	Housing
3.				Replaced by 1pc 851452, 1pc 959440.
3.	851452	[1]	Fin
4.	959439	[1]	Hex. socket screw	PZ-28004759
4.	959440	[1]	Hex. socket screw	PZ28004760-
5.	183497	[1]	Needle bearing
6.	941812	[2]	Hex. socket screw
7.	839389	[1]	Bearing housing
8.	832555	[1]	Countershaft
9.	183374	[1]	Ball bearing
10.	941832	[1]	Shim	TH=0,05mm
10.	941833	[1]	Shim	TH=0.20mm
11.	832191	[1]	Gasket
12.	944970	[1]	Shim	TH=1,60mm
13.	11072	[1]	Roller bearing
14.	944522	[1]	Shim	TH=0,05mm
14.	42981	[1]	Shim	TH=0,10mm
14.	968057	[1]	Shim	TH=0.20mm
14.	42980	[1]	Shim	TH=0.35mm
15.	897387	[1]	Clamping ring
16.	907023	[1]	Lock washer
17.	906633	[1]	Round nut
18.	814482	[1]	Oil strainer
19.	875524	[1]	Propeller shaft
20.	183390	[1]	Needle roller bushin
21.	832624	[1]	Gear set	Ratio 1,61:1
22.	948407	[2]	Spring pin
23.	814165	[1]	Washer
24.	814164	[1]	Nut
25.	832548	[1]	Pump rotor
26.	914474	[1]	Snap ring
27.	832725	[1]	Thrust ring
28.	953449	[6]	Stud
29.	955825	[6]	Hexagon nut
30.	181366	[1]	Ball bearing
31.	944561	[1]	Shim	TH=0,05mm
31.	944562	[1]	Shim	TH=0,10mm
32.	907025	[1]	Lock washer
33.	906635	[1]	Round nut
34.	897426	[2]	Sealing ring
35.	925261	[2]	O-ring
36.	875815	[1]	Zinc ring kit
37.	941809	[2]	Hex. socket screw
38.	839423	[1]	Line cutter
39.	850889	[1]	Screw
40.	850888	[1]	Plastic washer
41.				Replaced by 1pc 850785, 1pc 851261.
41.	850785	[1]	Spinner
41A.	851261	[1]	Spacer washer	For propeller with short hub.
42.	839354	[1]	Plug
43.	955974	[1]	O-ring
44.	925256	[1]	O-ring
45.	875183	[1]	Splined sleeve
46.	914508	[1]	Snap ring
47.	941810	[4]	Hex. socket screw
48.	853095	[4]	Washer