Chapter 84 · Machinery and mechanical appliances; computers · Section 16
HS Code 8409.91
Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines)
Heading 8409: Parts suitable for use solely or principally with the engines of heading 8407 or 8408
US duty (general)
Free - 2.5%
US HTS lines
5
EU CN codes
1
UK commodity codes
14
Unit
kg, No.
US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources
United States - HTS lines under 8409.91
Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.
| HTS code | Description | General | Special | Other | Unit |
|---|---|---|---|---|---|
| 8409.91.10 |
Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery 3 statistical lines (10-digit)
|
Free | - | 10% | kg |
| 8409.91.30 |
Other > To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 > Aluminum cylinder heads |
2.5% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No., kg |
| 8409.91.50 |
Other > To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 > Other 3 statistical lines (10-digit)
|
2.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No., kg |
| 8409.91.92 |
To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 > Other > For marine propulsion engines 2 statistical lines (10-digit)
|
2.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No., kg |
| 8409.91.99 |
Other > For marine propulsion engines > Other 2 statistical lines (10-digit)
|
2.5% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No., kg |
Estimate the US duty runs in your browser · no caps
Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.
European Union - CN codes under 8409.91
Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.
| CN code | Description | |
|---|---|---|
| 8409 91 00 | Suitable for use solely or principally with spark-ignition internal combustion piston engines | EU duty (TARIC) → |
United Kingdom - commodity codes under 8409.91
Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.
| Commodity code | Description | |
|---|---|---|
| 8409 91 00 00 | Suitable for use solely or principally with spark-ignition internal combustion piston engines | UK duty & VAT → |
| 8409 91 00 28 | Carburetor with : -2 mounting holes with a diameter of 31 mm, -a choke bore diameter of 18 mm or more, but not more than 19,05 mm for use in the manufacture of a two-stroke engine grass trimmer | UK duty & VAT → |
| 8409 91 00 33 | Camshaft carrier for a spark-ignition piston internal combustion engine, made of ADC12 aluminium alloy, with: -a weight of 4,0 kg or more but not more than 5,5 kg, -a wall thickness of 2,0 mm or more but not more than 6,0 mm, for use in the manufacture of motor vehicle engines | UK duty & VAT → |
| 8409 91 00 35 | Fuel distribution pipe complete consisting of rail pipe, high pressure sensor and injectors for direct gasoline fuel injection with: -an operating pressure of not more than 22,5 MPa, -solenoid direct injector, -analog pressure sensor for not more than 22,5 MPa | UK duty & VAT → |
| 8409 91 00 38 | Crankcase for 4-cylinder spark-ignition piston internal combustion engine, made of ADC12 aluminium alloy, for use in the manufacture of motor vehicle engines | UK duty & VAT → |
| 8409 91 00 40 | Fuel injector with solenoid valve for optimized atomization in the combustion chamber for use in the manufacture of spark-ignition internal combustion piston engines of motor vehicles | UK duty & VAT → |
| 8409 91 00 45 | Metal alloy intake and exhaust valve, with a Rockwell hardness HRC 20 or more, for use in the manufacture of spark or compression ignition engines of motor vehicles | UK duty & VAT → |
| 8409 91 00 50 | Exhaust manifold with turbine housing of turbochargers, with a hole to insert a turbine wheel, whereby the hole has a diameter of 28mm or more, but not more than 181mm | UK duty & VAT → |
| 8409 91 00 55 | Nozzle body for the regulation of angle and distribution of fuel injection: -of a cylindrical shape, -made of stainless steel, -with 4 or more, but not more than 16 holes, -with a flow rate of 100 cm³/minute or more, but not more than 500 cm³/minute | UK duty & VAT → |
| 8409 91 00 63 | Cylinder head blank for a four cylinder engine with 10 cores, made of aluminium alloy EN AC-45500, with: - no other components, - a hardness of 90HB or more, - casting defects size of not more than 0,4 mm and not more than 10 defects per cm², - a dendrite arm space in combustion chamber of not more than 25 μm, - a double deck water jacket design, - a weight of 14 kg or more but not more than 19 kg, - a length of 460 mm or more but not more than 510 mm, - a height of 260 mm or more but not more than 286 mm and - a width of 140 mm or more but not more than 150 mm | UK duty & VAT → |
| 8409 91 00 75 | Housing of fuel injection valve for generating an electromagnetic field to actuate the injection valve with: -an inlet diameter of 2 mm or more, but not more than 10 mm, -an outlet diameter of 2 mm or more, but not more than 10 mm, -an electric coil with a resistance of 10 Ω or more, but not more than 15 Ω, which ends in an electrical connection, -a plastic covering moulded around a stainless steel tube | UK duty & VAT → |
| 8409 91 00 80 | Nozzle needle for opening and closing the flow of fuel in the engine, with: -2 holes, -4 grooves, -a diameter of 3 mm or more, but not more than 6 mm, -a length of 25 mm or more, but not more than 35 mm, -made of stainless steel with hard-chrome plating | UK duty & VAT → |
| 8409 91 00 83 | Connecting rod for connecting pistons to the crankshaft of a passenger car engine: • made of an alloy containing 96 % steel and the remainder being titanium, vanadium, aluminium, chromium, nickel, copper, phosphorus, silicon, sulphur, manganese, • with two connecting rod bolts, • with a bushing, • of a length of 120 mm or more but not more than 160 mm, • with a surface roughness corresponding to ISO 4287-1997, for use in the manufacture of spark ignition motor vehicle engines | UK duty & VAT → |
| 8409 91 00 90 | Other | UK duty & VAT → |
Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).
Other subheadings in 8409
8409.00 8409 Parts suitable for use solely or principally with the engines of heading 8407 or 8408
8409.10 For aircraft engines
8409.91 Suitable for use solely or principally with spark-ignition internal combustion piston engi
8409.99 Other
Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.