Chapter 8483 — Customs Tariff Headings

8483.50.00Flywheels and pulleys, including pulley blocks

8483.60.00Clutches and shaft couplings (including universal joints)

8483.90.00Toothed wheels, chain sprockets and other transmission elements presented separately; parts

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Products classified under Tariff item 84.83

3.0L Turbo Crankshaft for Sports Sedans

A nitrided crankshaft for twin-turbocharged 3.0L V6 spark-ignition engines in performance luxury sedans. It features counterweight balancing for high-RPM operation and is designed for vehicles of Chapter 87. This crankshaft is classified under tariff item 8483.10.00 as a transmission shaft for automotive engines.

4-Cylinder SOHC Camshaft

A single overhead camshaft (SOHC) for inline 4-cylinder spark-ignition automobile engines, featuring laser-hardened lobes for durability. It controls valve timing for 2.0L-2.5L displacement engines. This camshaft is classified under tariff item 8483.10.00 as a transmission shaft for automotive engines.

Automotive Aluminum Camshaft

A precision-machined aluminum camshaft designed specifically for spark-ignition internal combustion engines in passenger cars. It controls the timing of intake and exhaust valves through eccentric lobes. This camshaft is classified under tariff item 8483.10.00 as a transmission shaft for automotive engines.

Automotive Camshaft for Gasoline Engines

A precision-machined camshaft designed for spark-ignition internal combustion engines in passenger vehicles such as sedans and SUVs. It controls the timing of intake and exhaust valves through its lobes, ensuring proper engine operation. As a camshaft for automotive engines, it falls under tariff item 8483.10.00.

Automotive Crankshaft for Gasoline Engines

A forged steel crankshaft designed for spark-ignition internal combustion piston engines in passenger cars. It converts the linear motion of pistons into rotational motion and is machined to precise tolerances. This crankshaft is a transmission shaft of heading 84.83, specifically a crankshaft for reciprocating engines.

Automotive Forged Steel Crankshaft

A precision-forged steel crankshaft designed for internal combustion engines in passenger vehicles, converting linear piston motion into rotational torque. It is a critical component of the engine's transmission system. This crankshaft is classified under tariff item 8483.10.00 as a transmission shaft.

Balanced Crankshaft for Marine Outboard Gasoline Engine

A marine-grade stainless steel crankshaft vertically balanced for 150HP spark-ignition outboard motors. It features corrosion-resistant coatings for saltwater use. As a crankshaft for a spark-ignition engine, it falls under tariff item 8483.10.00.

Billet Aftermarket Crankshaft

A CNC-machined 4340 billet crankshaft for automotive engine rebuilds, offering superior strength over cast versions. It is designed for high-performance and replacement applications. This crankshaft is classified under tariff item 8483.10.00 as a transmission shaft.

Billet Aluminum Crankshaft for Racing Go-Kart

A CNC-machined 4340 billet aluminum crankshaft for 125cc spark-ignition engines in racing go-karts. It is ultra-light to maximize acceleration. This crankshaft is a transmission shaft of heading 84.83, specifically a crankshaft for small engines.

BMW R nineT Camshaft

A precision-ground camshaft for BMW R nineT air/oil-cooled boxer twin spark-ignition engine in premium roadster motorcycle. It optimizes valve timing for classic torque characteristics. This camshaft is a transmission shaft of heading 84.83, specifically a camshaft for motorcycle engines.

Camshaft for 4-Cylinder Gasoline Engine

A precision-ground camshaft for overhead valve spark-ignition engines in compact sedans, controlling valve timing. It is made from chill-cast iron with induction-hardened lobes for durability. This camshaft is a transmission shaft of heading 84.83, specifically a camshaft for internal combustion engines.

Camshaft for Rotary Wankel Engine

An eccentric shaft acting as a camshaft for Mazda Renesis rotary spark-ignition engine. It controls apex seal timing in the rotor housing. As a camshaft for a rotary engine, it falls under tariff item 8483.10.00.

Compact Car 3-Cylinder Crankshaft

An offset ground crankshaft for inline 3-cylinder spark-ignition engines in subcompact cars with 1.0L-1.5L displacement. It features 120-degree firing intervals and provisions for balance shaft integration. This crankshaft is classified under tariff item 8483.10.00 as a transmission shaft for automotive engines.

Compact Tractor Crankshaft

A forged alloy steel crankshaft for small agricultural tractors, optimized for low-RPM high-torque operation. It is designed to withstand heavy loads in farming applications. This crankshaft is classified under tariff item 8483.10.00 as a transmission shaft.

Crankshaft for Small Aircraft Spark-Ignition Engine

A nitrided steel crankshaft for Lycoming O-360 spark-ignition engines used in light aircraft. It is designed for continuous operation at cruise RPM. This crankshaft is a transmission shaft of heading 84.83, specifically a crankshaft for aircraft engines.

Crossover SUV Crankshaft for Hybrid Gasoline

A lightweight crankshaft for Atkinson-cycle 2.5L hybrid spark-ignition engines in compact crossover SUVs. It features optimized counterweights to reduce vibration in electric assist applications. This crankshaft is classified under tariff item 8483.10.00 as a transmission shaft for hybrid vehicle engines.

Diesel Truck Cast Iron Crankshaft

A heavy-duty cast iron crankshaft for medium-duty diesel truck engines, featuring counterweights for high-torque applications. It is built to withstand the stresses of commercial vehicle operation. This crankshaft is classified under tariff item 8483.10.00 as a transmission shaft.

DOHC Aluminum Camshaft Set

A dual overhead camshaft set (intake/exhaust) machined from aerospace-grade aluminum billet for 4-cylinder spark-ignition turbo engines. It features aggressive lobe profiles for increased valve lift. This camshaft set is classified under tariff item 8483.10.00 as transmission shafts for automotive engines.

DOHC Camshaft Set for SUV Gasoline Engines

A matched pair of intake and exhaust DOHC camshafts for 2.4L inline-4 spark-ignition engines in mid-size SUVs. They feature variable valve timing grooves machined to OEM specifications. These camshafts are classified under tariff item 8483.10.00 as transmission shafts for automotive engines.

Ducati Panigale V4 Camshaft

A desmodromic camshaft for Ducati Panigale V4 superbike's 1103cc Desmosedici Stradale V4 spark-ignition engine. It features a belt-driven valvetrain unique to Ducati engineering. This camshaft is a transmission shaft of heading 84.83, specifically a camshaft for motorcycle engines.

Forged Steel Crankshaft for Motorcycle Gasoline Engine

A lightweight forged crankshaft for high-revving spark-ignition engines in sport motorcycles. It is balanced for minimal vibration at 12,000+ RPM. This crankshaft is a transmission shaft of heading 84.83, specifically a crankshaft for motorcycle engines.

Harley-Davidson Sportster 883 Crankshaft

A stock replacement crankshaft for Harley-Davidson Sportster 883 Evolution V-twin spark-ignition motorcycle engine. It features rubber-mounted isolated flywheels for signature Harley vibration. This crankshaft is a transmission shaft of heading 84.83, specifically a crankshaft for motorcycle engines.

Heavy Duty Crankshaft for ATV Spark-Ignition Engine

A high-torque crankshaft with larger main bearings for 500cc spark-ignition ATV engines used in utility vehicles. It is built for low-speed pulling power. This crankshaft is a transmission shaft of heading 84.83, specifically a crankshaft for ATV engines.

High-Performance Camshaft for Sports Cars

An aggressive lobe profile camshaft for 2.0L turbocharged spark-ignition engines in high-performance sports cars. It features increased lift and duration for racing-derived applications in street-legal vehicles. This camshaft is classified under tariff item 8483.10.00 as a transmission shaft for automotive engines.

High-Performance Forged Steel Crankshaft

A high-performance forged steel crankshaft made from nitrided 4340 steel, designed for spark-ignition V8 engines producing 350-500 horsepower. It converts reciprocating piston motion into rotational force, with gun-drilled oil passages and lightweight cheater webs for racing and performance automotive use. This item falls under tariff item 8483.10.00 as a transmission shaft component.

Honda CRF450R Motorcycle Crankshaft

A forged steel crankshaft specifically engineered for the Honda CRF450R off-road motorcycle's spark-ignition internal combustion piston engine. It converts the linear motion of the pistons into rotational motion. This crankshaft is a transmission shaft of heading 84.83, specifically a crankshaft for motorcycle engines.

Hybrid Vehicle Atkinson Cycle Camshaft

A specialized camshaft with late intake valve closing for Atkinson cycle operation in hybrid spark-ignition engines. It features optimized lobe profiles to improve thermal efficiency and is designed for hybrid vehicles. This camshaft is classified under tariff item 8483.10.00 as a transmission shaft.

Inline-4 Camshaft for Compact Hatchbacks

An overhead camshaft (OHC) for 1.6L inline-4 gasoline engines powering European-style compact hatchbacks. It features laser-hardened lobes for durability and is designed for mass-produced vehicles. This camshaft is classified under tariff item 8483.10.00 as a transmission shaft for automotive engines.

Kawasaki KX450 Crankshaft Assembly

A complete crankshaft assembly with connecting rods for Kawasaki KX450 motocross motorcycle's liquid-cooled spark-ignition engine. It features precision-balanced crank webs for high-rev durability. This crankshaft assembly is a transmission shaft of heading 84.83, specifically a crankshaft for motorcycle engines.

KTM 450 SX-F Forged Crankshaft

A forged 4340 steel crankshaft designed as an OEM replacement for the KTM 450 SX-F supermoto and supercross motorcycle. It converts the linear motion of the piston into rotational force for the spark-ignition engine, and is heat-treated for durability under racing conditions. This transmission shaft falls under tariff item 8483.10.00 as a crankshaft for a motorcycle engine.

Light Truck Crankshaft for 4-Cylinder Engines

A cast crankshaft for 2.5L inline-4 spark-ignition engines in light trucks and pickups. It is designed for higher torque loads than passenger car versions, with reinforced main bearing webs. This crankshaft is classified under tariff item 8483.10.00 as a transmission shaft for light truck engines.

Motorcycle Cast Iron Crankshaft

A forged cast iron crankshaft for high-performance spark-ignition motorcycle engines, converting reciprocating motion to rotational power. It features precision counterweights and main bearing journals for durability. This crankshaft is classified under tariff item 8483.10.00 as a transmission shaft.

Overhead Camshaft for Performance Car Engine

A DOHC aluminum camshaft with roller followers for turbocharged spark-ignition engines in sports cars. It provides precise valve timing for high horsepower output. This camshaft is a transmission shaft of heading 84.83, specifically a camshaft for automotive engines.

Racing Motorcycle Crankshaft Kit

A lightweight racing crankshaft with titanium connecting rod journals for high-revving spark-ignition motorcycle engines exceeding 14,000 RPM. It features H-beam webs for extreme stress loads and is designed for competitive racing. This crankshaft is classified under tariff item 8483.10.00 as a transmission shaft.

Small Engine Lawnmower Crankshaft

A precision-ground crankshaft for 4-stroke spark-ignition small engines used in lawnmowers and garden equipment with displacement under 1 liter. It features a tapered crank nose for PTO attachment. This crankshaft is classified under tariff item 8483.10.00 as a transmission shaft.

Suzuki RM-Z450 Camshaft Kit

A matched intake and exhaust camshaft set for the Suzuki RM-Z450 competition dirt bike's DOHC four-stroke engine. The camshafts control valve timing with aggressive lobe profiles for maximum top-end power. As camshafts for a motorcycle engine, they are classified under transmission shafts in tariff item 8483.10.00.

V6 Crankshaft for Passenger Car Engines

A forged steel crankshaft for 3.5L V6 spark-ignition engines used in mid-size sedans and crossovers. It converts linear piston motion to rotational torque and is designed for production vehicles. This crankshaft is classified under tariff item 8483.10.00 as a transmission shaft for automotive engines.

V6 Engine Billet Camshaft

A CNC-machined billet steel camshaft for 3.5L-4.0L V6 spark-ignition engines, featuring hollow-stem intake lobes for weight reduction. It is designed for luxury and performance sedans and SUVs. This camshaft is classified under tariff item 8483.10.00 as a transmission shaft.

Variable Valve Timing Camshaft for Modern Sedan

A VVT solenoid-integrated camshaft for continuously variable valve timing in 2.5L spark-ignition sedan engines. It adjusts timing electronically for efficiency. This camshaft is a transmission shaft of heading 84.83, specifically a camshaft for automotive engines.

Yamaha YZ250F Camshaft

A high-performance billet aluminum camshaft for the Yamaha YZ250F motocross bike's DOHC spark-ignition engine. It controls valve timing for optimal power delivery at high RPMs, a key function in racing applications. This camshaft is classified under tariff item 8483.10.00 as a transmission shaft for a motorcycle engine.

Adjustable Diamond Pillow Block Bearing

A diamond-pattern pillow block with ball bearings and slotted bases, designed for precise alignment in paper mills. Its unique mounting geometry allows for fine adjustments.

Adjustable Flange Ball Bearing Take-Up

A combination flange take-up ball bearing unit offering both mounting flexibility and tension adjustment for conveyor and elevator shafts. Equipped with high-capacity ball bearing inserts and stainless steel baffles, this is a bearing housing incorporating ball bearings, classified under tariff item 8483.20.00.

Adjustable Hanger Roller Bearing for Conveyors

An adjustable hanger roller bearing unit designed for suspended conveyor shafts, featuring spherical roller bearings that accommodate angular misalignment. This product is a bearing housing incorporating roller bearings, classified under tariff item 8483.20.00.

Adjustable Hanger Roller Bearing Unit

A telescoping adjustable hanger unit with cylindrical roller bearings for custom vertical shaft spacing. This field-adjustable design is a bearing housing incorporating roller bearings, falling under tariff item 8483.20.00.

Adjustable Take-Up Cylindrical Roller Unit

An adjustable take-up housing unit that incorporates double-row cylindrical roller bearings, designed for precise tension control in paper mill dryer sections. It allows for linear adjustment of the shaft position to maintain proper belt tension in high-speed applications.

Cartridge Ball Bearing Insert

A cartridge-style housed ball bearing designed for quick replacement in agricultural machinery. It is self-contained and falls under tariff item 8483.20.00 as a bearing housing incorporating ball bearings, specifically of the cartridge type.

Cartridge Ball Bearing Insert Unit

A cartridge ball bearing insert unit that houses roller bearings in a replaceable cartridge for easy maintenance in shaft applications like pumps. This is a bearing housing incorporating ball or roller bearings, falling under tariff item 8483.20.00.

Cartridge Roller Bearing Unit

A sealed cartridge-style housing that contains spherical roller bearings, designed for easy replacement in rotating equipment such as pumps and fans. The cartridge design allows for quick installation and removal without disturbing the shaft alignment.

Corrosion-Resistant Stainless Steel Bearing Housing

An all-stainless steel pillow block housing with ball bearings, designed for food and pharmaceutical processing lines where washdown and corrosion resistance are critical. It meets 3A sanitary standards and is classified under tariff item 8483.20.00 as a bearing housing incorporating ball bearings.

Corrosion-Resistant Take-Up Roller Unit

A stainless steel take-up unit with polymer-housed roller bearings, designed for food processing conveyors. It meets FDA sanitary standards and provides corrosion resistance for washdown environments.

Cryogenic Liquid Pump Bearing Housing

A low-temperature housed ball bearing specifically designed for LNG cryogenic pumps, operating at temperatures as low as -196°C. It falls under tariff item 8483.20.00 as a bearing housing incorporating ball bearings, with special lubricants for extreme environments.

Crystal Grinder Wafer Bearing Housing

A specialized housed ball bearing used in semiconductor crystal grinders that shape silicon boules to wafer diameter. It is classified under tariff item 8483.20.00 as a bearing housing incorporating ball bearings, specifically for wafer manufacturing equipment.

Flanged Roller Bearing Housing Unit

A flanged housing unit that incorporates tapered roller bearings, designed for mounting on machinery frames to provide precise shaft support and alignment. It is commonly used in industrial applications requiring high radial and axial load capacity.

Flange Mount Roller Bearing Housing Unit

A square flange mounted unit with tapered roller bearings for precise shaft support in gearboxes. This flange-type housed bearing unit is a bearing housing incorporating roller bearings, classified under tariff item 8483.20.00.

Four-Bolt Flange Ball Bearing Unit

A flange-mounted ball bearing unit with a square four-bolt flange housing and pre-lubricated insert ball bearings, ideal for high-speed shaft support in pumps and fans. The self-aligning design compensates for misalignment, falling under tariff item 8483.20.00.

Four-Bolt Flange Roller Bearing Housing

A robust four-bolt flange mount housing that incorporates double-row roller bearings, designed for rock crusher applications. The cast iron construction provides maximum durability in high-vibration environments.

Four-Bolt Flange Roller Bearing Unit

A four-bolt square flange unit housing cylindrical roller bearings for stable shaft mounting in fans. This standard flange housed bearing configuration is a bearing housing incorporating roller bearings, falling under tariff item 8483.20.00.

Hanger Ball Bearing Unit

A ceiling or wall-mounted hanger ball bearing unit supporting horizontal shafts in overhead conveyor systems, with lightweight aluminum or steel housings and solid lube ball bearings. Designed for low-vibration operation, this is a bearing housing incorporating ball bearings, classified under tariff item 8483.20.00.

Hanger Roller Bearing Unit

A ceiling or frame-mounted hanger unit with tapered roller bearings, designed for supporting vertical shafts in overhead conveyor systems. It provides smooth operation and handles both radial and thrust loads.