Spare parts necessarily installed before first entry into the United States, upon first entry into the United States of each such spare part purchased in, or imported from, a foreign country

Equipments, or any part thereof, including boats, purchased for, or the repair parts or materials to be used, or the expenses of repairs made in a foreign country upon, a vessel described in U.S. note 1 to this subchapter: > Spare parts necessarily installed before first entry into the United States, upon first entry into the United States of each such spare part purchased in, or imported from, a foreign country

Duty Rate (from China)

10%
MFN Base RateFree

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

Total Effective Rate10%

Products classified under HTS 9818.00.05.00

Marine Propeller Shaft

A precision-engineered propeller shaft installed on a U.S.-flagged cargo vessel during foreign maintenance to replace a worn component before its first U.S. entry. This essential propulsion system part is classified under HTS 9818.00.05.00 as a spare part necessarily installed abroad on a qualifying vessel documented in U.S. note 1 to subchapter.

Ship Engine Piston Ring Set

Complete piston ring sets for large marine diesel engines, installed during foreign shipyard overhaul of a U.S. container ship before its return to U.S. ports. Qualifies under 9818.00.05.00 as critical spare parts for vessel operation documented per subchapter requirements.

Anchor Chain Replacement Links

Heavy-duty forged steel anchor chain links installed to repair storm damage on a U.S. fishing vessel during foreign port maintenance before first U.S. return. Covered by 9818.00.05.00 for qualifying vessel spare parts necessarily installed abroad.

Marine Rudder Bearing Assembly

High-load capacity rudder bearings installed during drydock repairs of a U.S. bulk carrier in foreign shipyard before its first U.S. port call. This navigation-critical spare part qualifies under 9818.00.05.00 for pre-entry installation on qualifying vessels.

Cargo Pump Impeller Blades

Stainless steel impeller blades for chemical tanker cargo pumps, installed during foreign classification survey repairs before vessel's first U.S. entry. Classifiable under 9818.00.05.00 as necessary spare parts for qualifying U.S. vessels.

Bow Thruster Gearbox Seals

Specialized high-pressure seals for bow thruster gearbox, replaced during foreign refit of U.S. cruise ship before first U.S. port arrival. Qualifies under 9818.00.05.00 as essential maneuvering system spare parts installed pre-entry.

Generator Cooling Water Pump

Complete replacement cooling water pump for ship's emergency generator, installed during foreign maintenance before U.S. flagged ro-ro vessel's first U.S. entry. Covered by 9818.00.05.00 for critical electrical system spares.

Lifeboat Davit Wire Ropes

High-strength wire ropes for lifeboat davit systems, replaced during foreign safety survey of U.S. offshore supply vessel before first U.S. return. Qualifies under 9818.00.05.00 as mandatory safety equipment spares.

Main Deck Crane Hydraulic Cylinders

Heavy lift hydraulic cylinders for main deck cargo cranes, installed during foreign repairs of U.S. heavy lift vessel before first U.S. port call. Classifiable under 9818.00.05.00 as essential cargo handling spares.

Bilge Pump Impeller and Housing

Complete bilge pump impeller and housing assembly installed during foreign watertight integrity survey of U.S. tanker before first U.S. entry. Covered by 9818.00.05.00 for vessel flooding protection systems.

Steering Gear Ram Seals Kit

Comprehensive seal kit for hydraulic steering gear rams, installed during foreign steering system recertification of U.S. car carrier before first U.S. arrival. Qualifies under 9818.00.05.00 as navigation safety spares.

Inert Gas System Fan Blades

Corrosion-resistant fan blades for tanker inert gas system blowers, replaced during foreign tank coating renewal before U.S. flagged VLCC's first U.S. entry. 9818.00.05.00 eligible as explosion prevention spares.

Cargo Hold Ventilation Ducting

Fire-rated ventilation duct sections installed during foreign hold outfitting of U.S. general cargo vessel before maiden U.S. voyage. Covered by 9818.00.05.00 for cargo protection systems.

Main Engine Turbocharger Turbine Blades

High-temperature alloy turbine blades for main engine turbochargers, installed during foreign engine overhaul of U.S. containership before first U.S. port call. 9818.00.05.00 qualified propulsion spares.

Ballast Water Pump Casings

Cast iron pump casings for ballast water management systems, installed during foreign BWTS retrofit compliance upgrade before U.S. flagged vessel's first U.S. entry. Eligible under 9818.00.05.00 for environmental compliance spares.