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Troy-Bilt Spindle & Blade Kit Bronco 42 Auto Tractor 918-06991 942-04308

SKU:

SKU: DK136

Quantity

Spindle and blade kit for Troy-Bilt Bronco 42 Auto lawn tractors. Includes two spindle assemblies with mounting hardware and two high-quality blades. Built to match OEM specifications for durability and reliable cutting.

Kit Includes:

  • (2) 21-3/16" Blades, 6 Point Star Center
     Replaces Troy-Bilt 942-04308, 942-04308A, 942-04312, 942-04312A

  • (2) Spindle Assemblies with Mounting Hardware
     Replaces Troy-Bilt 918-06991 (comes with mounting hardware, but you will need to reuse your existing blade nut)

Compatibility:
Fits the following Troy-Bilt Bronco 42 Auto Lawn Tractor models:

  • Bronco 42 Auto – 13AK78BS011 (2018)

  • Bronco 42 Auto – 13AK78BS211 (2018)

  • Bronco 42 Auto – 13AL78BS023 (2019)

  • Bronco 42 Auto – 13AL78BS023 (2020)

  • Bronco 42 Auto – 13AL78BS023 (2021)

  • Bronco 42 Auto – 13AL78BS023 (2022)

  • Bronco 42 Auto – 13AL78BS223 (2019)

  • Bronco 42 Auto – 13AL78BS223 (2020)

  • Bronco 42 Auto – 13AL78BS223 (2021)

  • Bronco 42 Auto – 13AL78BSA23 (2023)

Condition:
Brand new aftermarket parts made to meet or exceed OEM specifications.


Important Notes:

  • Please verify model/part numbers before purchasing

  • Spindle top nuts must be torqued to 70–90 ft-lbs. DO NOT torque by holding the pulley, this will damage the pulley. Instead, use a piece of wood to block the blade

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