| Key # | Part # Link | Description | Key # | Part # Link | Description |
| 1 | 40650 | Screw M5 x 36mm | 44 | 43216 | Height Adj. Shaft Spacer 35mm |
| 2 | 40652 | Nut Nyloc 5mm | 45 | 43218 | Washer 3/8 x 20mm |
| 3 | 40835 | Ball Bearing 12x32x10 | 46 | 43229 | Pinion Washer 0.050 |
| 4 | 40838 | Hex Screw 6mm x 19mm | 47 | 43288 | Throttle Trigger (hook) NA |
| 5 | 40906 | "O" Ring | 48 | 43292 | Throttle Interlock |
| 6 | 42111 | Seals Nylon od27.2 x 12.60 | 49 | 43294 | Switch Slide |
| 7 | 42112 | Felt Seal | 50 | 43406 | Label Professional NA |
| 8 | 43102 | Adjusting Arm Spring | 51 | 43412 | Label Model no.501 NA |
| 9 | 43104 | Hex Head Set Screw 5/16 x 5/8 | 52 | 43484 | Washer 22.43 x 5.94 |
| 10 | 43105 | Cross Blade Set (formed & straight) | 53 | 43719 | Debris Deflector Spring |
| 11 | 43106 | Adjust Arm Bolt & Pin | 54 | 43790 | Screw 5.5mm for Plastic |
| 12 | 43108 | Bearing with Seal 37x12x12 | 55 | 43908 | Height Adjust |
| 13 | 43109 | Blade Cover Support | 56 | 43910 | Dust Plug |
| 14 | 43110 | Blade Cover | 57 | 43922 | Handle Grip |
| 15 | 43112 | Blade Drum | 58 | 43941 | Main Body Cover |
| 16 | 43114 | Blade Shaft Drive | 59 | 43951 | Round AV Rubber |
| 17 | 43115 | Blade Washer Small | 60 | 43952 | L.H. AV Mount |
| 18 | 43116 | Blade Washer Large | 61 | 43953 | R.H. AV Mount |
| 19 | 43122 | Crown Gear L/E | 62 | 43954 | Main Handle Bracket |
| 20 | 43125 | Spacer 15.5mm | 63 | 43955 | Body AV Rubber |
| 21 | 43124 | Warning Label Hot Motor NA | 64 | 43960 | Handle Throttle Assembly Complete |
| 22 | 43128 | Warning Label Blade Cover NA | 65 | 43961 | LH Handle |
| 23 | 43133 | Warning Label Handle NA | 66 | 44000 | Engine Air Deflector |
| 24 | 43136 | Grass Shield | 67 | 43971 | Switch Wire |
| 25 | 43137 | Grass Shield Cover | 68 | 43975 | Main Body 204/501 |
| 26 | 43138 | Grass Shield Limiter | 69 | 43978 | Main Shaft Screwed Ends |
| 27 | 43139 | Grass Rubber Flap | 70 | 43980 | Flange Bush Spacer |
| 28 | 43155 | Main Body Shield | 71 | 43581 | Manual 204 NA |
| 29 | 43166 | Nut Nyloc 5/16" | 72 | 44003 | Handle Knob w/ Nut (44006+44075) |
| 30 | 43169 | Flange Nut 3/8 UNC | 73 | 44010 | Throttle Cable |
| 31 | 43172 | Nut Nyloc 3/8" | 74 | 44012 | Corrugated Loom |
| 32 | 43173 | Nut M12 x 1.75 | 75 | 44060 | Handle Tube RH |
| 33 | 43178 | Pinion L.E. | 76 | 44061 | Handle Tube LH |
| 34 | 43179 | Bearing Screw M5 x 39 | 77 | 44062 | Handle Cross Brace |
| 35 | 43181 | Screw M5 x 12mm | 78 | 44064 | Handle Bolt Hex Piece |
| 36 | 43198 | Trigger Comp. Spring | 79 | 44069 | Handle Housing Small |
| 37 | 43199 | Trigger Spring, Small | 80 | 44074 | Handle Bolt 1/4" x 6" BSW |
| 38 | 43204 | Wheel Complete (42111, 43208) | 81 | 43947 | Komatsu-Zenoah G34L Engine |
| 39 | 43206 | Wheel Axle Bolt 3/8 x 4.1/2" | 82 | 50026 | Clutch Drum Cup |
| 40 | 43208 | Wheel Axle Tube 45mm | 83 | 50032 | Wheel Only |
| 41 | 43209 | Wheel Shaft Spacer 49mm Z/P | 84 | 43135 | Grass Flap Assembly |
| 42 | 43210 | Wheel Support Arm | 85 | 44001 | Muffler Shield Plug |
| 43 | 43212 | Wheel Support Axle Bolt 3/8 x 2.1/4 |