Parts Catalog

Replacements
Home / Mercury / Mercury Marine [Updated: Apr. 10, 2026] / Outboard / 2 Stroke DFI (OptiMax) / 200 HP 6 CYL (3.0L) / [0G590000 THRU 0G760299] - USA - Cat.# 90-85553698 / Cylinder Block and End Cap

Cylinder Block and End Cap

Parts (94)

#Part NumberDescriptionQtyStatus
- 854198A98 POWERHEAD ASSEMBLY (200) 1 superseded
- 854199A98 POWERHEAD ASSEMBLY (225) 1 superseded
- 832934A98 GASKET SET 1 disc.
1 9811A28 CYLINDER BLOCK (225) 1 superseded
1 9811A27 CYLINDER BLOCK (200) 1 superseded
10 NSS   NOT SOLD SEPARATE Plug 1
11 67296   PIN 3 superseded
12 43044   PIN Dowel - Without Hole (.375 x .625) 1
13 8245021   CONNECTOR 6
14 426585   CHECK VALVE 2
15 856842   ELBOW 1
16 850309   PLUG 6 superseded
17 81893435   SCREW (M8 x 35) 12
18 8159234   CHECK VALVE 2
19 82446180   SCREW (M10 x 80) 8
2 903509   STUD (M10 x 1.5 x 64) 4
20 8348083   STRAINER 2
21 821583   PIN 1 superseded
22 99130122   TUBING (20.00 Feet Bulk) (22-1/2 IN.) 1 superseded
23 99130122   TUBING (20.00 Feet Bulk) (3-3/4 IN.) 1 superseded
24 NSS NOT SOLD SEPARATE Plug-Serial Number 1
25 816311 TIE STRAP (8.00 Inches) 4 superseded
26 85682239 TUBING (17.00 Inches Bulk) (9-1/4 IN.) 1
27 816311 TIE STRAP (8.00 Inches) 2 superseded
28 856774 WASHER (.406 x .750 x .105) Stainless Steel 10 superseded
29 400266 NUT (M10) 10 superseded
3 8154431   STUD (M10 x 1.5 x 155) 6
30 8212251 BRACKET 1 disc.
31 82130016 SCREW (M6 x 16) 2
32 822486 BRACKET Guide 1 disc.
33 8285581 ENCODER 1 disc.
34 82104510 SCREW (M5 x 10) 1
35 9787A4 END CAP ASSEMBLY 1
36 62700   O-RING (3.237 x .103) 1
37 830898   SEAL Oil 2 superseded
38 82130020 SCREW (M6 x 20) 4
39 855671A2 PLATE ASSEMBLY 1 disc.
4 328022   PLUG Pipe (.125-27) Brass 1
40 855729   MOUNT 3
41 82130145 SCREW (M10 x 45) 3
42 82130175 SCREW (M10 X 75) 2 disc.
43 855725 WASHER 4
44 855726 SPACER 2 disc.
45 855727 SPACER 1 disc.
46 856816 BRACKET 1 disc.
47 8568781 CLAMP 2 disc.
48 4010610 SCREW (M6 x 10) Stainless Steel 2
49 69056 WASHER (.255 x .620 x .030) Stainless Steel 2
5 428611   FITTING Pipe - Brass (.750-14) 1 superseded
50 818574 SEAL 2
51 818573 O-RING 6
52 850275A1 CYLINDER HEAD (STARBOARD 225) 1 disc.
52 850276A1 CYLINDER HEAD (PORT 225) 1 disc.
52 850275A2 CYLINDER HEAD (STARBOARD 200) 1 disc.
52 850276A4 CYLINDER HEAD (PORT 200) 1 disc.
53 854639 SEAL 2 superseded
54 8502792 THERMOSTAT 2 disc.
55 850318 GASKET Thermostat Cover 2 superseded
56 8503171 THERMOSTAT COVER 2 superseded
57 8533393 FITTING (PORT) 1 disc.
58 82130025 SCREW (M6 x 25) 4
59 82446050 SCREW (M8 x 50) 40 superseded
6 8248572   DEFLECTOR Water 6 superseded
60 853339 ELBOW (STARBOARD) 1 superseded
61 81431247 TUBING (STBD. 21 IN.) 1 disc.
61 81431247 TUBING (PORT 20-1/2 IN.) 1 disc.
62 13536A12 SENSOR ASSEMBLY Temperature (PORT) 1
62 13536A14 SENSOR ASSEMBLY Temperature (STARBOARD) 1
63 81893412 SCREW (M8 x 12) 2
64 137151 RETAINER 2
65 8266241 CLAMP 1
66 82130012 SCREW (M6 x 12) 2
67 854486 BRACKET 1 superseded
68 850290 LEVER TPI 1 disc.
69 82130025 SCREW (M6 x 25) 3
7 432781   CHECK VALVE 1 superseded
70 8318701 BUSHING 6
71 834985 GROMMET 3 superseded
72 8329522 INDICATOR Throttle Position (INSIDE) 1 superseded
73 850882 SPACER 1 disc.
74 8M6005905 INDICATOR Throttle Position (OUTSIDE) 1
75 40011117 SCREW (M5 x 65) Stainless Steel 3 disc.
76 1938540 LINK Throttle 1 disc.
77 8568341 CLAMP 1 disc.
78 824921 SPACER 1
79 81893420 SCREW (M8 x 20) 1
8 830756109   HOSE (57.00 Inches Bulk) (6 IN.) 1 superseded
80 8568411 CLAMP 1 superseded
81 8568311 CLAMP 1 disc.
82 623651 FITTING 1 superseded
83 56762 TIE STRAP (4.00 Inches) 1
84 428611 FITTING Pipe - Brass (.750-14) 1 superseded
85 32803 PLUG Pipe (.375-18) Brass 1 superseded
9 822769   CONNECTOR 1