HS Code 8409.99 : Parts suitable for use solely or principally with the engines of heading 8407 or 8408, Other, Other
The 6-digit Harmonized System (HS) code for parts suitable for use solely or principally with the engines of heading 8407 or 8408, other, other is 8409.99. Under the 2026 United Kingdom (UKGT), the representative MFN general duty rate is 2.00 % [HMRC Trade Tariff 2026].
Import Duty Rates by Destination
MODULE 5: UK IMPORT DUTY & VAT BREAKDOWN
Get Real-Time Tariff & Trade Remedy Change Alerts for HS 8409.99
Receive an automated email notification whenever HMRC publishes duty rate adjustments or customs notices for 8409.99.
MODULE 6: Mandatory Customs Entry Document Matrix
Commercial Invoice
Itemized description, currency, Incoterms, seller/buyer details, and country of origin.
Packing List & Bill of Lading
Gross/net weight, container/seal numbers, piece count, and transport B/L or Air Waybill.
Certificate of Origin (If Claiming FTA)
Required only when claiming zero-duty preference under USMCA, KORUS, or GSP.
MODULE 7: Regulatory Compliance & Partner Government Agency (PGA) Flags
MODULE 8: UK Trade Remedies (TRA) & Safeguards
MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)
| Agreement Code | Trade Agreement / Program | Preferential Rate | Rules of Origin (RoO) Requirement |
|---|---|---|---|
| TCA | UK-EU Trade and Cooperation Agreement | Free | Must satisfy UK-EU Statement on Origin and product-specific rules. |
| AUS | UK-Australia Free Trade Agreement | Free | Direct origin proof or tariff shift requirement. |
| CPTPP | Comprehensive and Progressive Agreement for Trans-Pacific Partnership | Free | CPTPP Certificate of Origin and regional value content rule. |
MODULE 10: Logistics, Freight & Transport Specifications
MODULE 11: UK Advanced Tariff Rulings (ATaR)
Legally binding classification rulings issued by HM Revenue & Customs (HMRC) for HS 8409.99.
Query the official HMRC Advanced Tariff Rulings (ATaR) database:
Search HMRC Trade Tariff Database for 8409.99 →UKGT Declarable Commodity Lines (8409.99)
| HTS Code | Description | General Rate | Special (FTA) Rate | Column 2 Rate | Unit |
|---|---|---|---|---|---|
| 8409.99 | Parts suitable for use solely or principally with the engines of heading 8407 or 8408, Other, Other | Free | Free | Rate on request | — |
| 8409.99.10 | Other, Other, 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 | Free | Free | 10% | — |
| 8409.99.10.40 | Other, Other, 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, For vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 | Free | Free | Rate on request | kg |
| 8409.99.10.60 | Other, Other, 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, For marine propulsion engines | Free | Free | Rate on request | kg |
| 8409.99.10.80 | Other, Other, 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, Other | Free | Free | Rate on request | kg |
| 8409.99.91 | Other, Other, 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 | 2.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | — |
| 8409.99.91.10 | Other, Other, 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, Connecting rods | Free | Free | Rate on request | No. |
| 8409.99.91.90 | Other, Other, 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 | Free | Free | Rate on request | kg |
| 8409.99.92 | Other, Other, Other, For marine propulsion engines | 2.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | — |
| 8409.99.92.10 | Other, Other, Other, For marine propulsion engines, Connecting rods | Free | Free | Rate on request | No. |
| 8409.99.92.90 | Other, Other, Other, For marine propulsion engines, Other | Free | Free | Rate on request | kg |
| 8409.99.99 | Parts suitable for use solely or principally with the engines of heading 8407 or 8408, Other, Other, Other, Other | Free | Free | 35% | — |
| 8409.99.99.10 | Parts suitable for use solely or principally with the engines of heading 8407 or 8408, Other, Other, Other, Other, Connecting rods | Free | Free | Rate on request | No. |
| 8409.99.99.90 | Parts suitable for use solely or principally with the engines of heading 8407 or 8408, Other, Other, Other, Other, Other | Free | Free | Rate on request | kg |
MODULE 12: Candidate Subheadings & Related Codes
| Related HS Code | Heading Category | Action |
|---|---|---|
| 8409.10 | Subheading under Heading 8409 | Compare Subheading 8409.10 → |
| 8409.91 | Subheading under Heading 8409 | Compare Subheading 8409.91 → |
Official Primary Sources & Authority References
HMRC Trade Tariff Service (UKGT 2026) ↗
Official UK 10-digit commodity codes and UKGT MFN duty rates.
HM Revenue & Customs (HMRC) Customs Declarations ↗
UK customs entry guidance and CDS procedures.