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LiftMaster 60-Tooth Sprocket for #50 Chain – 1-1/4" Bore, 1/4" Keyway -
LIFTMASTER 50 CHAIN 72 TOOTH SPROCKET 1-1/4" BORE, 1/4" KEYWAYLiftMaster 72-Tooth Sprocket for #50 Chain – 1-1/4" Bore, 1/4" Keyway -
Commercial Garage Door Operator V-Belt – 1/2″ × 27″ -
Garage Door Operator V-Belt – 5/8" x 27" -
5L230 V-Belt – 5/8″ x 23″ -
LiftMaster 82-Tooth Sprocket for #50 Chain – 1-1/4" Bore, 1/4" Keyway -
Garage Door Operator V-Belt – 3/8" x 20" -
Garage Door Operator V-Belt – 3/8" x 28-1/2" -
50B18 18-Tooth Sprocket for #50 Chain – 1" Bore, 1/4" Keyway -
3L290 V-Belt – 3/8" x 29" Commercial Garage Door Operator Drive Belt -
4L290 V-Belt – 1/2" x 29" Garage Door Operator Belt -
5L350 V-Belt – 5/8" x 35" Commercial Garage Door Operator Drive Belt -
Garage Door Operator V-Belt – 1/2" x 32" -
LiftMaster 82-Tooth Sprocket for #50 Chain – 1" Bore, 1/4" Keyway -
Garage Door Operator V-Belt – 1/2" x 35" -
Garage Door Operator V-Belt – 1/2" x 19" -
LiftMaster 50-Tooth Sprocket for #50 Chain – 1" Bore, 1/4" Keyway -
4L400 V-Belt – 1/2″ x 40″ -
4L240 V-Belt – 1/2" x 24" Commercial Garage Door Operator Drive Belt -
Garage Door Operator V-Belt – 5/8" x 23" -
Garage Door Operator V-Belt – 3/8" x 28" -
#50 Chain Sprocket – 24 Teeth – 1-1/4″ Bore – 1/4″ Keyway -
Garage Door Operator V-Belt – 3/8" x 27" -
LiftMaster 22-Tooth Sprocket for #50 Chain – 1-1/4" Bore, 1/4" Keyway
Commercial Garage Door Operator Repair Parts
Shop replacement repair parts for commercial garage door operators, rolling steel door operators, and industrial overhead door systems. This collection includes drive sprockets, roller chain components, V-belts, pulleys, gears, shafts, bearings, brake components, electrical parts, and other service items used to repair and maintain commercial operators.
Available parts include multiple sprocket sizes, bore diameters, keyway configurations, belt lengths, and chain types for different operator assemblies. These components are commonly used to replace worn, damaged, slipping, or broken drive-system parts and restore proper operator movement.
Commercial operator repair parts may be used in warehouses, loading docks, automotive facilities, storage buildings, fire stations, commercial garages, and other high-cycle door applications.
Before ordering, verify the operator manufacturer and model, original part number, sprocket tooth count, chain size, shaft bore, keyway size, belt width, belt length, voltage, and mounting configuration. Parts with a similar appearance may have different dimensions and may not be interchangeable.
Commercial garage door operators contain high-tension, heavy, and electrically powered components. Installation and repairs should be completed by a qualified commercial door technician.