
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB490BC 41ADT49C966 Page 1 of 5
Boom & Trimmer Brushcutter
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For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB490BC 41ADT49C966 Page 2 of 5
Boom & Trimmer Brushcutter
Ref # Part Number Qty DescriptionS/P/F
1 791-00040 Throttle Housing Assembly (includes 2-4)1
2 791-00041 Throttle Trigger Lock-Out1
3 791-00042 Throttle Trigger1 S
4 791-182690 Throttle Trigger Spring1
5 791-182405 Switch1 /P
6 791-610327 Harness Clip1
7 753-04503 Upper Drive Shaft Housing Assembly1 /P
8 791-181099 J-Handle Assembly1
9 791-683295 Handle Bracket Assembly (includes 10-15)1
10 791-181811 Screw1
11 791-181812 Upper Handle Clamp1
12 791-181813 Middle Handle Clamp1
13 791-181814 Lower Handle Clamp1
14 791-181815 Nut1
15 791-145569 Anti-Rotation Screw1 /P
16 753-1190 Split Boom Coupler (includes 17-20)1 /P
17 791-182057 Screw1
18 791-181617 Bolt1
19 791-181981 Adjustment Knob1
20 753-04386 Knob Retaining Nut1 S
21 791-182541 Lower Drive Shaft Housing Assembly1
22 791-613300 Lower Flexible Drive Shaft1
23 791-182200 Shield Mount Screw Assembly1
24 791-182193 2 piece Gearbox Assembly (includes 25-35)1 /P
25 791-182195 Gearbox Mounting Hardware1
26 791-145569 Anti-Rotation Screw1 /P
27 791-182192 Right Housing1 S
28 791-182191 Left Housing1 /P
29 791-182194 Pinion Gear Assembly1
30 791-182199 Output Shaft Bushing1
31 791-182198 Output Shaft Gear1
32 791-182197 Output Shaft Assembly (includes 30 & 31)1
33 791-182196 Blade Driver1
34 753-04348 Palnut1 /P
35 791-147490 Retaining Washer1
36 791-147492 Blade Shield/Shield Mount1
37 791-683304 Shield Mounting Screw1
38 753-1191 Shield Assembly (includes 39)1
39 791-682061 Blade Assembly1
40 791-612483 Spool Shaft1
41 791-683301 Outer Spool Assembly (includes 42)1
42 791-612026 Retainer1
43 791-610636B Spring1 /P
44 791-147495 Inner Reel1
45 791-180814B Bump Head Knob Assembly1 /P
46 791-145873B 4-Tooth Blade1 /P
48 791-181699 Nut1 S
791-180014B Blade Retaining Kit (includes 34 & 43) (NOT
1
SHOWN)
791-613226 Locking Rod Tool (NOT SHOWN)1
791-682075B Shoulder Harness (NOT SHOWN)1 /P
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For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB490BC 41ADT49C966 Page 3 of 5
Engine Parts
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For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB490BC 41ADT49C966 Page 4 of 5
Engine Parts
Ref # Part Number Qty DescriptionS/P/F
1 753-04083 Engine Cover1
2 791-182339 Engine Cover Screws1 S
3 791-181025 Valve Cover Screw1
4 791-182098 Valve Cover1
5 791-182099 Valve Cover Gasket1 /P
6 791-182340 Rocker Adjustment Nut1
7 791-182101 Rocker Arm Pivot1 /P
8 791-182100 Rocker Arm1
9 791-182341 Rocker Arm Stud1
10 791-182103 Valve Spring Retainer1
11 791-181038 Valve Spring1
12 791-182102 Push Rod Guide1
13 791-181033 Push Rod1
14 753-04816 Cylinder Assembly (includes 9, 12 & 73)1 /P
15 791-182344 Cylinder Screw1 S
16 791-182345 Intake Baffle1
17 791-182749 Carburetor Mount Gasket1
18 791-181034 Nut1 S
19 791-182347 Carburetor Mount (includes 18)1
20 791-182348 Carburetor Mount Screw1
21 791-182732 Carburetor Gasket1 /P
22 753-04296 Carburetor w/Primer1
23 791-181751 O-Ring, Carburetor1
24 753-04305 Air Filter/Choke Cover Assembly (includes
1 /P
32)
25 791-182097 Breather Tube1
26 791-181750 Air Filter Mounting Screw1
27 791-181757 Air Filter1
28 753-1229 Fuel Cap1
29 791-182352 Fuel Return Line1
30 791-182353 Fuel Pick-Up Line with Filter1
31 753-04185 Screw1
32 791-182409 Washer1
33 753-1230 Fuel Tank Assembly (includes 28-30)1
34 791-182356 Fuel Tank Shield1
35 753-04297 Throttle Cable1
36 791-182358 Muffler Baffle1
37 791-181048 Muffler Gasket1
38 791-182359 Muffler (includes 37, 39-41)1 /P
39 791-180890 Spark Arrestor Screen1
40 791-181045 Screen Cover1
41 791-181046 Screw1
42 791-182361 Muffler Mounting Screw1
43 753-04092 Muffler Cover1
44 791-182804 Switch Wire Assembly1
45 791-181247 Palnut1 S
46 753-1199 Recoil Pulley1
47 753-04286 Recoil Spring1
48 791-182366 Nut Clip1
49 791-181079 Pull Handle1 S
50 791-611061 Rope Guide1
51 791-613103 Rope1
52 791-181020 Starter Housing Screw1
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For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB490BC 41ADT49C966 Page 5 of 5
Engine Parts
Ref # Part Number Qty DescriptionS/P/F
53 753-1237 Starter Housing Assembly (includes 45-52)1 S
54 791-182396 Clutch Washer1 S
55 753-1238 Clutch w/Spacer1
56 791-153592 Clutch Drum1 /P
57 753-1239 Clutch Cover1
58 791-145569 Anti-Rotation Screw1 /P
59 753-1240 Screw1
60 753-1241 Nut1
61 791-181345 Clutch Cover Screw1 /P
62 753-04298 Ignition Module with Screws1
63 791-181065 Spacer1
64 753-04299 Flywheel1
65 791-182743 Shroud Assembly (includes 86)1 /P
66 791-182376 Crankcase Assembly (includes 67 & 68)1 /P
67 791-182375 90° Elbow1
68 791-182379 Breather Hose1 /P
69 791-181015 Cam Gear1
70 753-1242 Cam Follower Set1 S
71 791-181013 Cam Bracket1
72 791-181012 Cam Bracket Screw1
73 791-181040 Valves, Intake and Exhaust1
74 791-182374 Cylinder Gasket1
75 791-181018 Oil Pan Gasket1
76 791-182377 Oil Pan (includes 75 & 77)1
77 791-181020 Oil Pan Screw1
78 753-04041 Dipstick Assembly ((ncludes 79)1 S
79 791-182290 O-Ring1
80 791-181009 Connecting Rod1
81 791-181008 Wrist Pin Button1
82 753-1243 Piston (includes 84)1 S
83 791-181006 Wrist Pin1
84 791-182295 Piston Ring Set1 S
85 791-181861 Shroud Screw1
86 791-182537 Grommet1
87 791-182360 Heat Sheild1
88 753-04098 Wire Cover1
89 791-160428 Cable Clamp1
791-180852B Spark Plug
1 /P
(NOT SHOWN)
753-04818 Short Block Assembly (includes 3-14, 65-84)
791-180142 Starter Pawl Repair Kit
1
(NOT SHOWN)
1 S
(NOT SHOWN)
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