Difficulties in parts search?

Parts list

Difficulties in parts search?

	Description	OEM Part #	Price
1	1 804294 Plate	804294	—
	replacement
1	1 8042941 Plate	8042941	—
2	2 8527768 Bolt	8527768	US $11.14
	replacement
2	2 811188T BOLT	811188T	US $11.14
3	3 804295T New Genuine Part	804295T	US $79.55
4	4 804296 Retainer	804296	US $18.54
5	5 804297 Gasket [0T178499] & Below	804297	US $1.50
5	5 8042971 Gasket [0T178500] & Up	8042971	US $1.62
6	6 8527768 Bolt	8527768	US $11.14
	replacement
6	6 811188T BOLT	811188T	US $11.14
7	7 804307 Switch, oil pressure [0T178499] & Below	804307	US $56.67
7	7 8043071 Switch, oil pressure [0T178500] & Up	8043071	US $87.55
8	8 804300 Clamp	804300	—
9	9 804300 Clamp	804300	—
10	10 816311T Tie Strap (8.00 Inches)	816311T	US $0.51
11	11 827160M Screw	827160M	—
12	12 804298T New Genuine Part	804298T	—
13	13 804301 Lever	804301	US $6.38
14	14 804306 Screw	804306	—
15	15 804305 Washer	804305	—
16	16 804302 Bracket	804302	US $21.01
17	17 804304 Grommet	804304	—
18	18 804303 Collar	804303	—
19	19 816311T Tie Strap (8.00 Inches)	816311T	US $0.51
20	20 859295T1 Harness assembly	859295T1	US $64.11
21	21 83577M Clamp	83577M	—
22	22 84088M Screw	84088M	US $3.14
23	23 879650 Clamp	879650	US $0.35
	replacement
23	23 56762 New Genuine Part	56762	US $0.35
NI	NI 804070T2 New Genuine Part [0T178500] & Up	804070T2	—
	replacement
NI	NI 804070T05 PH 75/90 4S [0T178500] & Up	804070T05	—
NI	NI 883548T02 Powerhead-backfit [0T178499] & Below	883548T02	—
NI	NI 804345A02 Gasket set, powerhead	804345A02	US $492.34

Sensors Diagram Mercury-Mercruiser F75 18236578-945748