Parts Diagram | ## | Part # | Description | Qty | Notes |
![2003 GTX - GTX 4-TEC Wake Cylinder Head parts diagram](http://www.selffixer.com/parts/personal.watercraft/sea.doo/images/sm.2003-gtx-gtx-4-tec-wake-parts-catalog.cylinder-head-3.jpg) | 1 | 420950770 | Cylinder head gasket | 1 | |
2 | 420613975 | Cylinder head assembly. includes 2 - 3 | 1 | |
3 | 420929650 | Pin 5 x 10 | 2 | |
4 | 420924720 | Hose nipple | 1 | |
5 | 420254682 | Exhaust valve 31 mm | 6 | |
6 | 420254290 | Intake valve 38 mm | 6 | |
7 | 420630200 | Valve stem | 12 | |
8 | 420238180 | Valve spring | 12 | |
9 | 420838280 | Valve inside spring | 12 | |
10 | 420254280 | Valve spring retainer | 12 | |
11 | 420253645 | Cotter valve | 24 | |
12 | 420837621 | Cam shaft | 1 | |
13 | 420851692 | Cam shaft guide | 1 | |
14 | 420254306 | Timing gear 38 teeth | 1 | |
15 | 420841339 | Socket head screw M6 x 12 | 3 | |
16 | 420898040 | Cam shaft chain | 1 | |
17 | 420236540 | Chain tension guide | 1 | |
18 | 420236500 | Chain guide | 1 | |
19 | 420660100 | Cam shaft cover | 1 | |
20 | 420950870 | O-ring | 1 | |
21 | 420641048 | Torx flanged screw M6 x 16 | 2 | |
22 | 420254326 | Exhaust rocker-arm | 6 | |
23 | 420254315 | Inner rocker-arm | 3 | |
24 | 420854592 | Rocker-arm shaft | 1 | |
25 | 420641080 | Torx screw M8 x 72 | 6 | |
26 | 420641110 | Torx-flanged screw M11 X 147 | 8 | |
27 | 420641238 | Torx-flanged screw M6 x 25 | 2 | |
28 | 420851750 | Spark plug tube | 3 | |
29 | 420950820 | Valve cover gasket | 1 | |
30 | 420811580 | Valve cover | 1 | |
31 | 420641268 | Torx-flanged screw M6 x 30 | 8 | |
32 | 420641483 | Torx-flanged screw M6 x 10 | 4 | |
33 | 420660162 | Valve cover | 1 | |
34 | 707000246 | Spark plug NGK dcp-R8E | 3 | |
35 | 420664020 | Ignition coil | 3 | |
36 | 420222425 | Temperature sensor | 1 | |
37 | 420664040 | Cam shaft sensor | 1 | |
38 | 420641048 | Torx-flanged screw M6 x 16 | 1 | |
39 | 420851615 | Transport bracket pto | 1 | |
40 | 420641048 | Torx-flanged screw M6 x 16 | 2 | |
41 | 420973697 | Exhaust manifold | 1 | |
42 | 420641198 | Torx-flanged screw M6 x 45 | 12 | |
43 | 420253922 | Inlet valve guide | 6 | |
44 | 420253927 | Exhaust valve guide | 6 | |
45 | 293600039 | Engine oil 5W40, 4 strokes, 12 X 1 liter | 1 | |
46 | 293550021 | Isoflex grease, 50G | 1 | |
47 | 293800060 | Loctite 243, 10 ML | 1 | |
48 | 420922434 | Elbow connector deG45 | 1 | |
49 | 420922249 | Elbow connector deG90 | 1 | |