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The TROY-BILT 917-04479b is a bevel gear designed for use in the drive systems of Troy-Bilt lawn and garden equipment. This 42-tooth spline bevel gear transmits rotational force at an angle within the drivetrain, allowing the machine to transfer power efficiently through directional changes in the gear assembly. It is a mechanical replacement component installed by small-engine equipment technicians and experienced service professionals performing drivetrain repairs on outdoor power equipment.
This bevel gear is suited for residential and light-duty lawn and garden applications where the original gear has worn, chipped, or failed. It fits within gear and wheel drive assemblies on Troy-Bilt equipment. Technicians sourcing this part for drivetrain service should verify the tooth count and spline configuration against the original component before installation.
Designed as an OEM-style replacement bevel gear for Troy-Bilt lawn and garden equipment drive systems. Verify part number 917-04479b against the original component and equipment parts diagram before installation to confirm fitment.
Installation should be performed by a qualified small-engine or outdoor power equipment technician. Disengage all power, remove the ignition key, and disconnect the spark plug wire before accessing any drivetrain components. Inspect surrounding gears, bearings, and housings for wear before reassembly. Follow the equipment manufacturer's service manual for proper disassembly and reassembly procedures.
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