Other
Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof: > Toothed wheels, chain sprockets and other transmission elements presented separately; parts: > Other: > Other > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8483.90.80.80
Helical Gear Blank
A machined steel blank designed for finishing into a helical gear used in industrial machinery transmissions. It falls under HTS 8483.90.8080 as a part of toothed wheels presented separately, not further worked beyond basic machining. This classification applies to unfinished transmission elements requiring additional tooth-cutting processes.
Spur Gear Hub
A precision-machined hub component for assembling spur gears in automotive and industrial gearboxes. Classified under HTS 8483.90.8080 as an other part of toothed wheels presented separately. It requires attachment of gear teeth or rims for completion.
Chain Sprocket Rim
Unfinished steel rim for chain sprockets used in conveyor and transmission systems. Falls under 8483.90.8080 as an other transmission element part presented separately, awaiting sprocket teeth machining. Common in industrial drive chains.
Gear Cluster Carrier
Aluminum carrier plate for holding multiple gears in a cluster assembly for speed changers. HTS 8483.90.8080 applies as an other part of gearing/transmission elements presented separately. Used in heavy machinery gearboxes.
Planetary Gear Ring Blank
Large diameter ring blank for internal teeth in planetary gear systems of torque converters. Classified in 8483.90.8080 as other parts of toothed wheels, unfinished. Essential for heavy equipment speed changers.
Camshaft Gear Adapter
Adapter flange connecting camshaft timing gears in engine transmission systems. Under HTS 8483.90.8080 as other transmission element parts presented separately. Precision CNC machined for automotive use.
Pulley Bore Insert
Replaceable hardened steel insert for pulley shaft bores in belt drive transmission systems. HTS 8483.90.8080 for other parts of pulleys/transmission elements separately presented. Wear-resistant design.
Spline Shaft Sleeve
Thin-walled sleeve for protecting spline sections on transmission shafts and gears. Classified 8483.90.8080 as other parts of transmission elements presented separately. Corrosion-resistant coating.
Torque Converter Impeller Hub
Central hub for mounting impeller blades in automatic transmission torque converters. HTS 8483.90.8080 as other speed changer parts presented separately. High-strength forged steel.
Flywheel Starter Ring Gear Blank
Outer ring blank for starter gear engagement on engine flywheels. Under 8483.90.8080 as unfinished part of flywheels/transmission elements. Thick-walled cast iron construction.
Universal Joint Yoke
Forged steel yoke for connecting shafts in universal joint transmission couplings. Classified HTS 8483.90.8080 as other shaft coupling parts presented separately. Balance-corrected for high-speed use.
Gearbox Breather Fitting
Threaded breather valve fitting for gearbox housings to equalize transmission pressure. 8483.90.8080 as other parts of gear boxes/speed changers separately presented. Integrated filter design.
Clutch Release Fork Pivot
Precision pivot pin for clutch release fork mechanisms in manual transmissions. HTS 8483.90.8080 for other clutch parts presented separately. Hardened alloy steel.
Speed Changer Idler Shaft
Intermediate idler shaft for multi-speed gear changers in industrial applications. Under 8483.90.8080 as other transmission parts separately presented. Bearing prepped ends.
Gear Pump Drive Sprocket Base
Base hub for chain-driven sprockets powering gear pumps in transmission lubrication systems. 8483.90.8080 classification for other transmission element parts. Keyed bore design.