AQ231A; AQ231B; AQ231LB; 290A; DP-A; SP-A; 275A; 285A Transmissions Lower Gear Unit EPC Volvo Penta Parts catalog

AQ231A; AQ231B; AQ231LB; 290A; DP-A; SP-A; 275A; 285A Transmissions

Lower Gear Unit

Parts on group Lower Gear Unit:

Pos.	Part No	Qty	Parts name	Comments
1.	852193	[1]	Lower gear	E.u, ratio 1,95:1
2.	854051	[1]	Housing
3.	854053	[1]	Bearing housing
4.	852643	[2]	Attaching plate
5.	948338	[6]	Blind rivet
6.	852644	[1]	Non-return valve
7.	854054	[1]	Fin
8.	941817	[1]	Hex. socket screw
9.	852183	[1]	Countershaft
10.	184654	[1]	Needle roller bushin
11.	184682	[1]	Inner ring
12.	852174	[1]	Drive gear set	Ratio 1,95:1
13.	852212	[1]	Nut
14.	941832	[1]	Shim	TH=0,05mm
14.	941833	[1]	Shim	TH=0.20mm
15.	183374	[1]	Ball bearing
16.	944970	[1]	Shim	TH=1,60mm
17.	11072	[1]	Roller bearing
18.	944522	[1]	Shim	TH=1.0mm
18.	42981	[1]	Shim	TH=0,10mm
18.	968057	[1]	Shim	TH=0.2mm
18.	42980	[1]	Shim	TH=0.35mm
19.	897387	[1]	Clamping ring
20.	907023	[1]	Lock washer
21.	906633	[1]	Round nut
22.	814482	[1]	Oil strainer
23.	852904	[1]	Magnetic plug
24.	955974	[1]	O-ring
25.	852181	[1]	Propeller shaft
25A.	11044	[1]	Roller bearing
26.	184765	[1]	Roller bearing, compl.
26A.	184690	[1]	Inner ring	Repl by 184765
27.	184689	[1]	Cup	Repl by 184765
28.	943252	[1]	Shim	TH=0,05mm
28.	941823	[1]	Shim	TH=0,10mm
28.	967351	[1]	Shim	TH=0.15mm
28.	941824	[1]	Shim	TH=0.20mm
28.	941825	[1]	Shim	TH=0.4mm
29.	184691	[1]	Roller bearing
30.	81374	[1]	Shim	TH=0,10mm
30.	81375	[1]	Shim	TH=0.15mm
30.	81376	[1]	Shim	TH=0.35mm
31.	925258	[2]	O-ring
32.	941812	[2]	Hex. socket screw
33.	875821	[1]	Zinc ring kit
33.
34.	966808	[2]	Screw
35.	183859	[1]	Needle roller bushin
36.	184683	[1]	Inner ring
37.	851407	[2]	Sealing ring
38.	853440	[1]	Line cutter	Forward, (852198)
38A.	853584	[1]	Plastic washer	Front
38.	854294	[1]	Plastic washer	Rear
39.	183272	[1]	Needle roller bearin
40.	853871	[1]	Sealing ring	Serial no 3102023000-
41.	853869	[1]	Lock washer
42.	852196	[1]	Propeller nut
43.	853441	[1]	Line cutter	Rear, (852206)
44.	853825	[1]	Propeller cone kit	White, Repl by 854243
44.	854243	[1]	Propeller cone kit	Grey
45.
46.	941670	[1]	Washer
47.	852216	[1]	Hexagon screw
48.	925256	[1]	O-ring	Included in complete Duoprop drive unit.
49.	850304	[1]	Splined sleeve	Included in complete Duoprop drive unit.
50.	853095	[4]	Washer	Included in complete Duoprop drive unit.
51.	941810	[4]	Hex. socket screw	Included in complete Duoprop drive unit.
52.	876138	[1]	Anode kit	To be used in fresh-water.
53.	966808	[2]	Screw

Parts catalog :

Intermediate Housing

Upper Gear Unit

Lower Gear Unit

Intermediate Housing
290A

Drive Unit

Duoprop Drive Unit

Upper Gear Unit

Intermediate Housing

Lower Gear Unit