For aircraft engines

Any aircraft engine or propeller, or any part or accessory of either, previously imported, with respect to which the duty was paid upon such previous importation, if (1) reimported without having been advanced in value or improved in condition by any process of manufacture or other means while abroad, after having been exported under loan, lease or rent to an aircraft owner or operator as a temporary replacement for an aircraft engine being overhauled, repaired, rebuilt or reconditioned in the United States, and (2) reimported by or for the account of the person who exported it from the United States

Aviation engine lubricating oils

Automotive, diesel or marine engine lubricating oils

In engineered shapes, for insertion into apparatus of subheadings 8443.31, 8443.32 or 8443.39

In engineered shapes, for insertion into apparatus of subheadings 8443.31, 8443.32 or 8443.39

Plans and drawings for architectural, engineering, industrial, commercial, topographical or similar purposes, being originals drawn by hand; handwritten texts; photographic reproductions on sensitized paper and carbon copies of the foregoing

Prefabricated structural components for building or civil engineering

Spark-ignition reciprocating or rotary internal combustion piston engines:

Aircraft engines

Inboard engines with outboard drive

Other engines:

Gas (natural or liquid propane (LP)) engines

Compression-ignition internal combustion piston engines (diesel or semi-diesel engines):

Marine propulsion engines

Other engines:

Parts suitable for use solely or principally with the engines of heading 8407 or 8408:

For aircraft engines

Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines):

For marine propulsion engines

For marine propulsion engines

For marine propulsion engines

For marine propulsion engines

Other engines and motors, and parts thereof:

Reaction engines other than turbojets

Missile and rocket engines

Hydrojet engines for marine propulsion

Other engines and motors:

Of hydrojet engines for marine propulsion

Of linear acting engines and motors

Of linear acting engines and motors

Of reaction engines other than turbojets

Fuel, lubricating or cooling medium pumps for internal combustion piston engines:

Fuel-injection pumps for compression-ignition engines

Of fuel-injection pumps for compression-ignition engines

Oil or fuel filters for internal combustion engines

Intake air filters for internal combustion engines

Catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines

Designed for use solely or principally with spark-ignition internal combustion piston engines or rotary engines

Generating sets with spark-ignition internal combustion piston engines

Lead-acid storage batteries, of a kind used for starting piston engines

Electrical ignition or starting equipment of a kind used for spark-ignition or compression-ignition internal combustion engines (for example, ignition magnetos, magneto-dynamos, ignition coils, spark plugs and glow plugs, starter motors); generators (for example, dynamos, alternators) and cut-outs of a kind used in conjunction with such engines; parts thereof:

Ceramic insulators to be used in the production of spark plugs for natural gas-fueled, stationary, internal combustion engines

Lead-acid storage batteries, of a kind used for starting engines

With only compression-ignition internal combustion piston engine (diesel or semi-diesel)

With both compression-ignition internal combustion piston engine (diesel or semi-diesel) and electric motor as motors for propulsion

With both spark-ignition internal combustion piston engine and electric motor as motors for propulsion

With a net engine power of less than 93.3 kW

With a net engine power of 93.3 kW or more but less than 119.4 kW

With a net engine power of 119.4 kW or more but less than 194 kW

With a net engine power of 194 kW or more but less than 257.4 kW

With a net engine power of 257.4 kW or more

With a net engine power of less than 93.3 kW

With a net engine power of 93.3 kW or more but less than 119.4 kW

With a net engine power of 119.4 kW or more but less than 194 kW

With a net engine power of 194 kW or more but less than 257.4 kW

With a net engine power of 257.4 kW or more

With only compression-ignition internal combustion piston engine (diesel or semi-diesel):

With both compression-ignition internal combustion piston engine (diesel or semi-diesel) and electric motor as motors for propulsion:

With both spark-ignition internal combustion piston engine and electric motor as motors for propulsion:

Having engines with more than 4 cylinders but not more than 6 cylinders

Having engines with more than 6 cylinders

Having engines with not more than 4 cylinders

Having engines with more than 4 cylinders but not more than 6 cylinders

Having engines with more than 6 cylinders

Other vehicles, with both spark-ignition internal combustion piston engine and electric motor as motors for propulsion, other than those capable of being charged by plugging to external source of electric power

Having engines with not more than 4 cylinders

Having engines with more than 4 cylinders but not more than 6 cylinders

Having engines with more than 6 cylinders

Having engines with not more than 4 cylinders

Having engines with more than 4 cylinders but not more than 6 cylinders

Having engines with more than 6 cylinders

Other vehicles, with both compression-ignition internal combustion piston engine and electric motor as motors for propulsion, other than those capable of being charged by plugging to external source of electric power

Other vehicles, with both spark-ignition internal combustion piston engine and electric motor as motors for propulsion, capable of being charged by plugging to external source of electric power

Having engines with not more than 4 cylinders

Having engines with more than 4 cylinders but not more than 6 cylinders

Having engines with more than 6 cylinders

Having engines with not more than 4 cylinders

Having engines with more than 4 cylinders but not more than 6 cylinders

Having engines with more than 6 cylinders

Other vehicles, with both compression-ignition internal combustion piston engine (diesel or semi-diesel) and electric motor as motors for propulsion, capable of being charged by plugging to external source of electric power:

Chassis fitted with engines, for the motor vehicles of headings 8701 to 8705:

With internal combustion piston engine of a cylinder capacity not exceeding 50 cc

With internal combustion piston engine of a cylinder capacity exceeding 50 cc but not exceeding 250 cc

With internal combustion piston engine of a cylinder capacity exceeding 250 cc but not exceeding 500 cc

With internal combustion piston engine of a cylinder capacity exceeding 500 cc but not exceeding 800 cc:

With internal combustion piston engine of a cylinder capacity exceeding 800 cc

Single engine airplanes

Multiple engine airplanes

Dental drill engines, whether or not combined on a single base with other dental equipment, and parts and accessories thereof

Any aircraft engine or propeller, or any part or accessory of either, previously imported, with respect to which the duty was paid upon such previous importation, if (1) reimported without having been advanced in value or improved in condition by any process of manufacture or other means while abroad, after having been exported under loan, lease or rent to an aircraft owner or operator as a temporary replacement for an aircraft engine being overhauled, repaired, rebuilt or reconditioned in the United States, and (2) reimported by or for the account of the person who exported it from the United States

Internal combustion engines

Internal combustion engines

Mounts of plastics, engineered to attach to cameras of subheading 8525.80.40; designed to attach to flat surfaces by means of a round suction cup measuring between 8 and 10 cm in diameter; each incorporating x, y and z-directional pivots to adjust the camera's viewpoint (provided for in subheading 3926.90.99).

Camera mounts of plastics, engineered to operate with cameras of subheading 8525.80.40 and facilitate mounting of cameras onto tubes measuring 3.5 to 6.35 cm in diameter, the foregoing incorporating a base capable of rotating the camera 360 degrees on a plane (provided for in subheading 3926.90.99)

Camera mounts of plastics, each with an elongated, segmented plastic neck composed of 6 to 8 ball joints, incorporating a base that clips into other types of mounts but not incorporating a clamp, engineered to mount cameras of subheading 8525.80.40 (provided for in subheading 3926.90.99).

Used compression-ignition internal combustion piston engines to be installed in vehicles of subheading 8701.20 or heading 8704 (provided for in subheading 8408.20.20)

Engine blocks, each weighing over 272 kg but not over 317 kg, for compression-ignition internal combustion piston engines (diesel or semi-diesel engines) having a cylinder capacity of approximately 12.4 liters for vehicles of subheading 8701.20 (provided for in subheading 8409.99.91)

High silicon molybdenum exhaust manifolds for use in compression-ignition internal combustion piston engines (diesel or semi-diesel engines) with cylinder capacity of 2,300 cc or more but not exceeding 20,000 cc, each manifold measuring at least 80 cm but not exceeding 200 cm in length, at least 10 cm but not over 200 cm in width, and at least 10 cm but not exceeding 200 cm in height (provided for in subheading 8409.99.91)

Connecting rods designed for use in compression-ignition internal combustion piston engines (diesel or semi-diesel engines) for vehicles of subheading 8701.20 or heading 8702, 8703, or 8704, each rod measuring at least 20 cm but not exceeding 120 cm in length, at least 10 cm but not exceeding 60 cm in width, and at least 5 cm but not exceeding 90 cm in height (provided for in subheading 8409.99.91)

Cast iron crankcases, suitable for use solely or principally with marine propulsion engines, each crankcase measuring more than 1.1 m in length (provided for in subheading 8409.99.92)

Cast-iron cylinder heads suitable for use solely or principally with marine compression-ignition engines, such parts with cylinder bore over 125 mm and weighing over 32 kg each (provided for in subheading 8409.99.92)

Pistons suitable for use solely or principally with marine propulsion engines, such pistons each having a cast steel crown and aluminum body, weighing 12 kg or more (provided for in subheading 8409.99.92)

Fuel-injection pump assemblies, designed for compression-ignition internal combustion engines with a capacity of 6.4 liters and with output of less than 1000 kW of power (provided for in subheading 8413.30.10), the foregoing other than used goods

Fuel-injection pumps, designed for compression-ignition engines having an output of 1000 kW or greater, each pump weighing 60 kg or more and capable of generating a pressure greater than 1200 bar, such pumps designed for use in a common rail fuel system (provided for in subheading 8413.30.10), the foregoing other than used goods

Used fuel, lubricating or cooling medium pumps designed for internal combustion piston engines (provided for in subheading 8413.30.10 or 8413.30.90)

New fuel pumps for compression-ignition engines, other than fuel-injection pumps, such pumps measuring 2 cm or more but not over 163 cm in length, 2 cm or more but less than 127 cm in width and 2 cm or more but less than 95 cm in height (provided for in subheading 8413.30.90)

High pressure fuel pumps, each incorporating a default open or closed solenoid valve, certified by the importer to be used in regulating the fuel supply into the fuel rail, designed for use in gasoline direct injection (GDI) spark-ignition internal combustion piston engines (provided for in subheading 8413.30.90); the foregoing other than used goods

Shell and tube oil coolers designed for compression-ignition engines, such coolers measuring 50 cm or more but not over 180 cm in length, 10 cm or more but not over 70 cm in width and 15 cm or more but not over 70 cm in height (provided for in subheading 8419.89.95)

Dosing module injectors, comprising parts of compression-ignition engine after-combustion treatment systems, measuring 30 cm or more but not over 50 cm in length, 30 cm or more but not over 50 cm in width and 10 cm or more but not over 30 cm in height (provided for in subheading 8481.80.90), such injectors other than used

Fuel Injectors, other than used, each incorporating a valve and a micro-stamped orifice hole, certified by the importer as designed to deliver fuel to the combustion chamber of a gasoline engine with a pressure not exceeding 120 Mpa (1200 bar) (provided for in subheading 8481.80.90)

New crankshafts of forged steel designed for use solely or principally with compression-ignition internal combustion piston engines, other than for vehicles of chapter 87, each measuring more than 1.86 m in length and weighing 453 kg or more (provided for in subheading 8483.10.30)

Used camshafts and crankshafts, designed for use solely or principally with compression-ignition internal combustion piston engines (other than spark-ignition internal combustion engines) (provided for in subheading 8483.10.30)

New crankshafts designed for use solely or principally with compression-ignition internal combustion piston engines of a cylinder capacity exceeding 19,000 cc, such crankshafts measuring 200 cm or more but not over 900 cm in length, 100 cm or more but not over 200 cm in width and 50 cm or more but not over 200 cm in height (provided for in subheading 8483.10.30), the foregoing except such new crankshafts of forged steel, other than for vehicles of chapter 87, each measuring more than 1.86 m in length and weighing 453 kg or more

Flexplates designed for use in compression-ignition engines of a cylinder capacity equal to or greater than 6,000 cc but not exceeding 20,000 cc, such flexplates measuring 5 cm or more but not over 150 cm in length, 22 cm or more but not over 150 cm in width and 2 cm or more but not over 150 cm in height (provided for in subheading 8483.60.80)

Flexplates designed for use in compression ignition engines with cylinder capacity ranging between 1000 cc to 5900 cc, such flexplates measuring 35 cm or more but not over 50 cm in length, 35 cm or more but not over 50 cm in width and 2 cm or more but not over 10 cm in height (provided for in subheading 8483.60.80)

Ring gears, with diameter 30 cm or more but not over 200 cm and height of 6 cm or more but not over 30 cm, the foregoing to be assembled onto the periphery of a flexplate or flywheel for a diesel engine ranging in cylinder capacity equal to or greater than 5,000 cc but not exceeding 95,000 cc (provided for in subheading 8483.90.50)

Electric generating sets, each with spark-ignition internal combustion piston engine fueled by natural gas (provided for in subheading 8502.20.00)

Fuel shutoff solenoids designed for compression-ignition diesel engines with cylinder capacity ranging between 2,000 cc and 20,000 cc, such solenoids measuring 5 cm or more but not over 800 cm in length, 3 cm but not over 500 cm in width and 3 cm but not over 200 cm in height (provided for in subheading 8505.90.75)

Used electric starter motors for spark ignition or compression ignition internal combustion engines (provided for in subheading 8511.40.00)

New alternators rated to produce voltage at 24 V and current at 500 A or more, designed to power military diesel engine components and supporting systems, such alternators each weighing less than 55 kg and measuring less than 300 mm in diameter (provided for in subheading 8511.50.00)

Used generators (alternators) of a kind used in conjunction with spark ignition or compression ignition internal combustion engines (provided for in subheading 8511.50.00)

Exterior lights, of base metal other than of brass, such lights round in shape, with a height of 11.5 cm or more but not over 12 cm and a weight not over 1.3 kg, each containing a halogen lamp, lamp holder, reflector, autotransformer and electrical connector, the foregoing configured to be mounted to the exterior of an aircraft and designed for illuminating the top surface, leading edge and engine nacelle areas of the aircraft wings for wing icing detection (provided for in subheading 9405.40.60)

Lead-acid storage batteries, other than of a kind used for starting piston engines or as the primary source of electrical power for electrically powered vehicles of subheading 8703.80.00 and 8703.90.01 (provided for in subheading 8507.20.80)