Parts for Troy-Bilt 12AD566N766: Upper And Lower Assembly Parts

Sealed ball bearing reduces friction between fixed parts and rotating shafts. Replace if you hear grinding noise or notice wheel wobble. Verify fit.

Fix drive issues or loss of self-propulsion with this input pulley assembly. Connects engine power to transmission. Moderate DIY repair, 30-45 minutes.

Flat washer for lawn tractors, mowers, and outdoor power equipment. Replace if missing, damaged, or worn to ensure proper fastener spacing and fit.

Extension spring for gas walk-behind mowers. Installs on the self-propel or drive system. Replace if stretched, broken, or missing to restore tension.

Sleeve bearing for lawn mower wheels and axles. Replace if wheels wobble, stick, or make noise during operation. Verify fit with your model number.

Replacement washer for lawn mower engines. Secures bolts, screws, and nuts to keep components in place. Needed when original is cracked, worn, or missing.

Fix a lawn mower that won't move forward with this wheel drive shaft assembly. Replaces bent, cracked, or worn shafts that prevent power transfer.

Fix a lawn mower that won't move forward or has weak drive power with this transmission assembly. Restores self-propelled function on walk-behind mowers.