Parts Catalog

Replacements
Home / Mercury / Mercury Marine [Updated: Apr. 10, 2026] / Outboard / 2 Stroke DFI (OptiMax) / 200 HP 6 CYL (3.0L) / [0G760300 THRU 0G960499] - USA - Cat.# 90-803485 / Cylinder Block and End Cap

Cylinder Block and End Cap

Parts (96)

#Part NumberDescriptionQtyStatus
- 854198A99 POWERHEAD ASSEMBLY (200) 1 disc.
- 854199A99 POWERHEAD ASSEMBLY (225) 1 disc.
- 832934A98 GASKET SET 1 disc.
1 9811A44 CYLINDER BLOCK (225) 1 disc.
1 9811A43 CYLINDER BLOCK (200) 1 disc.
10 NSS   NOT SOLD SEPARATE Plug 1
11 67296   PIN 3 superseded
12 43044   PIN Dowel - Without Hole (.375 x .625) 1
13 426585   CHECK VALVE 2
14 856842   ELBOW 1
15 850309   PLUG 6 superseded
16 81893435   SCREW (M8 x 35) 12
17 8159234   CHECK VALVE 2
18 82446180   SCREW (M10 x 80) 8
19 8348083   STRAINER 1
2 903509   STUD (M10 x 1.5 x 64) 4
20 8348083   STRAINER [0G911719] & Below 1
21 32803   PLUG Pipe (.375-18) Brass [0G911720] & Up 1 superseded
22 821583   PIN 1 superseded
23 99130122   TUBING (20.00 Feet Bulk) (22-1/2 IN.) 1 superseded
24 99130122   TUBING (20.00 Feet Bulk) (3-3/4 IN.) 1 superseded
25 NSS NOT SOLD SEPARATE Plug-Serial Number 1
26 816311 TIE STRAP (8.00 Inches) 4 superseded
27 858714 HOSE To Fuel Pump 1 disc.
28 816311 TIE STRAP (8.00 Inches) 2 superseded
29 856774 WASHER (.406 x .750 x .105) Stainless Steel 10 superseded
3 8154431   STUD (M10 x 1.5 x 155) 6
30 400266 NUT (M10) 10 superseded
31 8212251 BRACKET 1 disc.
32 82130016 SCREW (M6 x 16) 2
33 822486 BRACKET Guide 1 disc.
34 8285581 ENCODER 1 disc.
35 82104510 SCREW (M5 x 10) 1
36 9787A4 END CAP ASSEMBLY 1
37 62700   O-RING (3.237 x .103) 1
38 830898   SEAL Oil 2 superseded
39 82130020 SCREW (M6 x 20) 4
4 328022   PLUG Pipe (.125-27) Brass 1
40 855671A2 PLATE ASSEMBLY 1 disc.
41 855729   MOUNT 3
42 82130145 SCREW (M10 x 45) 3
43 82130175 SCREW (M10 X 75) 2 disc.
44 855725 WASHER 4
45 855726 SPACER 2 disc.
46 855727 SPACER 1 disc.
47 856816 BRACKET 1 disc.
48 8568781 CLAMP 2 disc.
49 4010610 SCREW (M6 x 10) Stainless Steel 2
5 428611   FITTING Pipe - Brass (.750-14) 1 superseded
50 69056 WASHER (.255 x .620 x .030) Stainless Steel 2
51 818574 SEAL 2
52 818573 O-RING 6
53 850275A1 CYLINDER HEAD (STARBOARD)(225) 1 disc.
53 850276A1 CYLINDER HEAD (PORT)(225) 1 disc.
53 850275A2 CYLINDER HEAD (STARBOARD)(200) 1 disc.
53 850276A4 CYLINDER HEAD (PORT)(200) 1 disc.
54 854639 SEAL 2 superseded
55 NLA No Longer Available Thermostat (Refer to Service Bullein 2002-08) 2
56 8503181 GASKET 2
57 8503171 THERMOSTAT COVER 2 superseded
58 8533393 FITTING [0G911719] & Below 1 disc.
59 8533394 FITTING [0G911720] & Up 1
6 8248572   DEFLECTOR Water 6 superseded
60 82130025 SCREW (M6 x 25) 4
61 82446050 SCREW (M8 x 50) 40 superseded
62 8533394 FITTING (STARBOARD) 1
63 81431247 TUBING To Adaptor Plate (STBD. 21 IN.) 1 disc.
63 81431247 TUBING To Adaptor Plate (PORT 20-1/2 IN.) 1 disc.
64 13536A12 SENSOR ASSEMBLY Temperature (PORT) 1
64 13536A14 SENSOR ASSEMBLY Temperature (STARBOARD) 1
65 81893412 SCREW (M8 x 12) 2
66 137151 RETAINER 2
67 623651 FITTING To Pressor Sensor 1 superseded
68 56762 TIE STRAP (4.00 Inches) 1
69 32803 PLUG Pipe (.375-18) Brass 1 superseded
7 432781   CHECK VALVE 1 superseded
70 8266241 CLAMP 1
71 82130012 SCREW (M6 x 12) 2
72 8544861 BRACKET 1 superseded
73 850290 LEVER TPI 1 disc.
74 82130025 SCREW (M6 x 25) 3
75 8318701 BUSHING 6
76 834985 GROMMET 3 superseded
77 8329522 INDICATOR Throttle Position (INSIDE) 1 superseded
78 850882 SPACER 1 disc.
79 8M6005905 INDICATOR Throttle Position (OUTSIDE) 1
8 830756109   HOSE (57.00 Inches Bulk) (6 IN.) 1 superseded
80 40011117 SCREW (M5 x 65) Stainless Steel 3 disc.
81 1938540 LINK Throttle 1 disc.
82 8568341 CLAMP [0G911719] & Below 1 disc.
82 859172 CLAMP [0G911720] & Up 1
83 824921 SPACER 1
84 81893420 SCREW (M8 x 20) 1
85 8568411 CLAMP 1 superseded
86 8568311 CLAMP 1 disc.
9 822769   CONNECTOR 1