Parts for Troy-Bilt 21A-664D063: Wheel, Eccentric And Tiller Shafts Parts

This is a rubber oil seal that fits around the wheel shaft on a tiller, preventing gear oil from leaking out of the transmission housing. It creates a tight barrier between the rotating shaft and the stationary housing. Replace this seal if you notice oil leaking near the wheels or if the transmission fluid level keeps dropping.

External retaining ring for gas walk-behind mowers and tillers. Secures shafts and components in place. Replace if worn, missing, or damaged.

This bushing reduces friction and supports rotating components in your rear-tine tiller. Replace if worn, cracked, or causing excessive play. Verify fit with your model number before ordering.

This is a wheel drive clutch assembly for a tiller. It engages and disengages power from the engine to the wheels, allowing the operator to control forward movement. Replace this clutch if the tiller wheels won't engage, slip during operation, or the tiller moves on its own when the drive control is released.

This part is a replacement ball bearing. This is a genuine OEM part made by MTD and has been sourced directly from the manufacturer. This part's intended use is to replace a broken or worn ball bearing in tillers.Ball bearings ensure that parts within the equipment move smoothly and with minimal friction or vibration. Bearings can become worn or damaged over time and may require replacement. When working on or near an engine, it's important to make sure the equipment is powered off and completely cooled down before starting any repairs. For more accurate information on how and where to install this ball bearing, reference the appropriate owner's manual and specific equipment diagrams.This is an authentic OEM replacement part made of high-quality metal. This ball bearing can be used with different models of tillers that have been manufactured by MTD, Craftsman, and other brands. Part sold individually.

Tine shaft for rear-tine tillers. Connects tilling tines to the transmission drive system. Replace if shaft is bent, worn, or stripped threads prevent secure tine mounting.