Difficulties in parts search?

Parts list

Difficulties in parts search?

	Description	OEM Part #	Price
1	1 11140-HA0-000 Plate, oil separate	11140-HA0-000	—
2	2 15100-HA0-000 Pump,assy.,oil Use up to Engine SN 5152950	15100-HA0-000	—
2	2 15100-HA0-771 Pump assy., oil Use from Engine SN 5152951	15100-HA0-771	—
3	3 15111-HA0-010 Body, oil pump	15111-HA0-010	—
4	4 15121-HA0-771 Cover, oil pump	15121-HA0-771	US $88.37
5	5 15122-KF0-000 Rotor, oil pump	15122-KF0-000	from US $14.55
6	6 15123-KF0-000 Rotor, oil pump	15123-KF0-000	from US $12.58
7	7 15140-HA0-000 Gear,oil pump drv Use up to Engine SN 5152950	15140-HA0-000	—
7	7 15140-HA0-010 Gear (30t) Use from Engine SN 5152951	15140-HA0-010	US $93.91
8	8 15141-KF0-000 Roller (6x8)	15141-KF0-000	from US $2.16
9	9 15510-HA0-010 Pipe, oil	15510-HA0-010	US $47.41
10	10 15532-HA0-000 Bolt, flg (7x18.5)	15532-HA0-000	from US $6.17
11	11 90465-HA0-000 Washer (8mm)	90465-HA0-000	US $3.72
12	12 90604-HA0-000 Circlip (8mm)	90604-HA0-000	from US $1.67
13	13 91103-429-000 Dowel pin 8X10	91103-429-000	from US $2.36
14	14 91308-MC7-000 O-ring, 8.2x1.5	91308-MC7-000	from US $2.09
15	15 93500-050220A Screw, pan, 5x22	93500-050220A	from US $0.44
16	16 95801-060-350-8 Bolt FLANGE, 6X35	95801-060-350-8	from US $0.59
17	17 96001-060-100-0 Bolt FLANGE, 6X10	96001-060-100-0	from US $0.59
18	18 96001-0602200 Bolt, flange, 6x22	96001-0602200	from US $0.47
19	19 96001-060-350-0 Bolt, flange, 6x35	96001-060-350-0	from US $0.49
20	20 96001-060-400-0 Bolt FLANGE, 6X40	96001-060-400-0	from US $0.50

Oil pump Diagram Honda ATC ATC250 USA 13580138-786270