Page 1
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB490BC 41ADT49C063 Page 1 of 6
Boom And Trimmer Parts
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Page 2
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB490BC 41ADT49C063 Page 2 of 6
Boom And Trimmer Parts
Ref # Part Number Qty DescriptionS/P/F
1 791-00040 Throttle Housing and Trigger Assembly
2 791-00041 Throttle Trigger Lock-Out1
3 791-00042 Throttle Trigger1 S
4 791-182690 Throttle Trigger Spring1
5 791-182673 Switch Assembly1
6 791-610327 Harness Clip1
7 753-1247 Upper Drive Shaft Housing Assembly1 S
8 791-181099 J-Handle Assembly (includes 9 & 10)1
9 791-612831 Grip1
10 791-612021 Tube Closure1
11 791-683295 Handle Bracket Assembly (includes 12-17)1
12 791-181811 Screw1
13 791-181812 Upper Handle Clamp1
14 791-181813 Middle Handle Clamp1
15 791-181814 Lower Handle Clamp1
16 791-181815 Nut1
17 791-145569 Anti-Rotation Screw1 /P
18 753-1190 Click-Link Coupler (includes 18-22)1 /P
19 791-182057 Screw1
20 791-181617 Bolt1
21 791-181981 Adjustment Knob1
22 791-181886 Knob Retaining Nut1
23 791-182541 Lower Drive Shaft Housing Assembly1
24 791-613300 Lower Flexible Drive Shaft1
25 791-182200 Shield Mount Screw Assembly1
26 791-182193 2 piece Gearbox Assembly (includes 25, 27
1
(includes 2-4)
1 /P
& 28)
27 791-182195 Gearbox Screw1
28 791-145569 Anti-Rotation Screw1 /P
29 791-147492 Blade Shield/Shield Mount1
30 791-182196 Blade Driver1
31 791-683304 Shield Mounting Screw1
32 753-1191 Shield and Blade Assembly (includes 33)1
33 791-682061 Blade Assembly1
34 791-147490 Retaining Washer1
35 791-612483 Spool Shaft1
36 791-683301 Outer Spool and Eyelet Assembly1
37 791-612026 Retainer1
38 791-610636B Spring1 /P
39 791-147495 Inner Reel1
40 791-180814B Bump Head Knob Assembly1 /P
41 791-145873B 4-Tooth Blade1 /P
42 791-181699 Nut1 S
791-180014B Blade Retaining Kit (includes 34 & 42); Parts
791-613226 Locking Rod Tool Parts not shown1
791-682075B Shoulder Harness Parts not shown1 /P
43 791-182191 Left Housing 2 Piece Gearbox Assembly Part
1
not shown
1 /P
- Item 26
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Page 3
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB490BC 41ADT49C063 Page 3 of 6
Boom And Trimmer Parts
Ref # Part Number Qty DescriptionS/P/F
44 791-182192 Right Housing 2 Piece Gearbox Assembly
1 S
Part - Item 26
45 791-182194 Pinion Gear Assembly 2 Piece Gearbox
46 791-182199 Output Shaft Bushing 2 Piece Gearbox
47 791-182198 Output Shaft Gear 2 Piece Gearbox
48 791-182197 Output Shaft Assembly (includes 46 & 47); 2
49 753-1159 O-Ring 2 Piece Gearbox Assembly Part -
753-1160 Reel and Line Assembly Optional Accessory;
753-1161 Bump Head Assembly (includes 35-40);
753-1249 4-Cycle Oil Optional Accessory; Item not
1
Assembly Part - Item 26
1
Assembly Part - Item 26
1
Assembly Part - Item 26
1
Piece Gearbox Assembly Part - Item 26
1
Item 26
1 S
Item not shown
1 /P
Optional Accessory; Item not shown
1 S
shown
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Page 4
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB490BC 41ADT49C063 Page 4 of 6
Engine Parts
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Page 5
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB490BC 41ADT49C063 Page 5 of 6
Engine Parts
Ref # Part Number Qty DescriptionS/P/F
1 791-182338 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
14 791-182700 Cylinder Head (includes 9 & 12)1 S
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
22A 791-182654 Carburetor with Primer1 /P
22B 753-1225 Carburetor with Primer1
23 791-181751 O-Ring, Carburetor1
24 753-1227 Air Filter/Choke Cover Assembly (includes 27
1
& 28)
25 791-182097 Breather Tube1
26 791-181750 Air Filter Mounting Screw1
27 791-181757 Air Filter1
28 753-1228 Air Filter Cover1
29 753-1229 Fuel Cap1
30 791-182352 Fuel Return Line1
31 791-182353 Fuel Pick-Up Line with Filter1
32 791-181080 Screw1
33 791-182354 Washer1
34 753-1230 Fuel Tank Assembly (includes 29-31)1
35 791-182356 Fuel Tank Shield1
36A 753-1234 Throttle Cable1
36B 753-1231 Throttle Cable1
37 791-182358 Muffler Baffle1
38 791-181048 Muffler Gasket1
39 791-182359 Muffler (includes 40, 42-44)1 /P
40 791-180890 Spark Arrestor Screen1
41 791-181045 Screen Cover1
42 791-181046 Screw1
43 791-182360 Muffler Shield1
44 791-182361 Muffler Mounting Screw1
45 791-182362 Muffler Cover1
46 791-182804 Switch Wire Assembly1
47 791-181247 Palnut1 S
48 753-1199 Recoil Pulley1
49 791-613102 Recoil Spring1
50 791-182366 Nut Clip1
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Page 6
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB490BC 41ADT49C063 Page 6 of 6
Engine Parts
Ref # Part Number Qty DescriptionS/P/F
51 791-181079 Pull Handle1 S
52 791-611061 Rope Guide1
53 791-613103 Rope1
54 791-181020 Starter Housing Screw1
55 753-1237 Starter Housing Assembly (includes 49-56)1 S
56 791-182368 Clutch Washer1 S
57 753-1238 Clutch with Spacer1
58 791-153592 Clutch Drum1 /P
59 753-1239 Clutch Cover1
60 791-145569 Anti-Rotation Screw1 /P
61 753-1240 Screw1
62 753-1241 Nut1
63 791-181345 Clutch Cover Screw1 /P
64 791-182725 Ignition Module with Screws1
65 791-181065 Spacer1
66 791-181867 Flywheel1 S
67 791-182743 Shroud Assembly with Screws1 /P
68 753-1244 Crankcase Assembly (includes 69-73)1 S
69 791-610309 Oil Seal1
70 791-182372 Bearing1
71 791-182380 Crankshaft1
72 791-182375 90° Elbow1
73 791-182379 Breather Hose1 /P
74 791-181015 Cam Gear1
75 753-1242 Cam Follower Set1 S
76 791-181013 Cam Bracket1
77 791-181012 Cam Bracket Screw1
78 791-181040 Valves, Intake and Exhaust1
79 791-182374 Cylinder Gasket1
80 791-181018 Oil Pan Gasket1
81 791-182377 Oil Pan (includes 80 & 82)1
82 791-181020 Oil Pan Screw1
83 791-182378 Dipstick Assembly (includes 84)1 /P
84 791-182290 O-Ring1
85 791-181009 Connecting Rod1
86 791-181008 Wrist Pin Button1
87 753-1243 Piston1 S
88 791-181006 Wrist Pin1
89 791-182295 Piston Ring Set1 S
90 791-182409 Washer1
91 791-181861 Screw1
92 791-612468 Compression Spring1
93 791-182537 Grommet1
791-180852B Spark Plug Parts not shown1 /P
753-1245 Short Block Assembly (includes 3-7, 68-89);
1
Parts not shown
791-182745 Cylinder Assembly (includes 9, 12, 14 & 79);
791-180142 Starter Pawl Repair Kit Parts not shown1 S
791-182156 Carburetor Repair Kit Parts not shown1 S
753-1248 Gasket Diaphragm Repair Kit Parts not
1 S
Parts not shown
1
shown
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