Models > 21A-520-081

21A-520-081 Troy-Bilt Tiller - Overview

Sections of the 21A-520-081

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TT Screw 1/4-20 x 0.5 – Part Number: 710-0599
TT Screw 1/4-20 x 0.5
PartSelect #: PS9298768
Manufacturer #: 710-0599
$4.99
  In Stock
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Belt-Forward Drive – Part Number: 954-04090
Belt-Forward Drive
★★★★★
★★★★★
(1)
PartSelect #: PS10035467
Manufacturer #: 954-04090
The Forward Drive Belt is a 12.5-inch black, rubber belt, sold individually. Installation of this manufacturer-certified part is rated as "Easy" by customers and will require pliers, a socket set, and...
$21.86
  In Stock
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Left Hand Bolo Tine – Part Number: 742-04227-0637
Left Hand Bolo Tine
PartSelect #: PS9455672
Manufacturer #: 742-04227-0637
This manufacturer-certified Left Hand Bolo Tine attaches to the left tine holder, and is used to dig up dirt in the area being tilled. This part is constructed of black metal, is rated as "easy" to in...
  No Longer Available
Right Hand Bolo Tine – Part Number: 742-04226-0637
Right Hand Bolo Tine
★★★★★
★★★★★
(1)
PartSelect #: PS9455670
Manufacturer #: 742-04226-0637
The Right Bolo Tine attaches to the right tine holder, and is used to dig up dirt in the area being tilled. This part is approved by the original manufacturer, and is constructed of black metal. Its i...
  No Longer Available
Belt-Reverse Drive – Part Number: 954-04091
Belt-Reverse Drive
PartSelect #: PS10035469
Manufacturer #: 954-04091
The Reverse Drive Belt is a 13 x 3/8 inch is a black rubber belt which attaches to the transmission and engine drive pulleys. This belt allows you to drive the unit backwards. If it's broken due to fa...
$20.72
  In Stock
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Cable Assembly, Forward Clutch – Part Number: GW-55048P
Cable Assembly, Forward Clutch
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★★★★★
(1)
PartSelect #: PS9463630
Manufacturer #: GW-55048P
  No Longer Available
Forward Idler Pulley – Part Number: 756-04170
Forward Idler Pulley
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(1)
PartSelect #: PS9457633
Manufacturer #: 756-04170
This OEM Forward Idler Pulley attaches to the pivot bracket to allow the forward belt to idle when not in forward motion. If broken, the machine will no longer be able to propel forward, and the part ...
  No Longer Available
Cable-Reverse Control – Part Number: 946-04058
Cable-Reverse Control
★★★★★
★★★★★
(2)
PartSelect #: PS10033922
Manufacturer #: 946-04058
$61.36
  In Stock
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Oil Seal (OD 1- 3/4" ID 3/4") – Part Number: 921-04030
Oil Seal (OD 1- 3/4" ID 3/4")
PartSelect #: PS9161264
Manufacturer #: 921-04030
This Oil Seal has an OD of 1-3/4" and ID of 3/4". Installation of this OEM seal requires a screwdriver, pliers, socket set and wrench set, and is rated as being "Medium" difficulty by customers. This ...
$12.38
  In Stock
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Spring, Forward Clutch – Part Number: 732-04185
Spring, Forward Clutch
PartSelect #: PS9454908
Manufacturer #: 732-04185
  No Longer Available
Carriage Bolt 5/16-18 x 2" – Part Number: 710-1174
Carriage Bolt 5/16-18 x 2"
PartSelect #: PS10001859
Manufacturer #: 710-1174
$6.86
  In Stock
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Screw, #10-24 X 2 – Part Number: 710-04163
Screw, #10-24 X 2
PartSelect #: PS9453176
Manufacturer #: 710-04163
  No Longer Available

Questions And Answers for 21A-520-081

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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Bearing seized
Pull belt cover, 2 nuts
Remove tensioner, 1 nut
Slide old tensioner off and replace
Parts Used:
Forward Idler Pulley
  • Gary from ELGIN, OK
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Socket set
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