LiftMaster K16-50108 V-Belt 4L300 Q042

Replacement V-Belt for the LiftMaster CSW200UL Swing Gate Operator

The LiftMaster K16-50108 is an authentic replacement V-belt — also identified as 4L300 and Q042 — engineered specifically for the LiftMaster CSW200UL swing gate operator. This genuine LiftMaster part helps restore smooth, reliable motor-driven operation to your gate system.

Key Features

• Genuine LiftMaster Part — Authentic replacement for guaranteed compatibility
• Durable Rubber Construction — Built for long-lasting performance in demanding environments
• Direct Replacement — Restores motor drive functionality to the CSW200UL operator

Specifications

• Part Number: K16-50108
• Also Known As: 4L300, Q042
• Product Type: V-Belt
• Material: Rubber
• Application: Motor drive belt replacement
• Installation Type: Residential, Commercial, HOA
• Mounting Type: Direct-Mounted

Compatibility

• Compatible Operator: LiftMaster CSW200UL swing gate operator

Always verify against your operator's manual or parts diagram before ordering to confirm fitment.