LiftMaster K41-0373-000 20-Tooth Drive Sprocket #48 (TDC7)

The LiftMaster K41-0373-000 20-Tooth Drive Sprocket (#48) is an OEM replacement part engineered for use with LiftMaster TDC7 chain drive openers. Built for high-cycle environments, this precision-machined sprocket delivers smooth, consistent performance and long-lasting durability. Ideal for service professionals, it’s constructed from hardened steel to handle the rigors of daily operation without premature wear.

Whether you're performing preventative maintenance or a complete drive rebuild, this genuine LiftMaster component ensures proper fitment, optimal chain alignment, and straightforward installation—minimizing downtime and return calls.

Key Features:

• 20-tooth #48 sprocket for chain drive assemblies

• Engineered for LiftMaster TDC7 opener compatibility

• OEM-grade hardened steel for long service life

• Maintains chain tension and drive alignment

• Installs quickly—ideal for professional field service