# United States tariff line 8409.99.91.10: Connecting rods > In the United States tariff, line 8409.99.91.10 covers parts suitable for use solely or principally with the engines of heading 8407 or 8408, 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. The general (MFN) duty rate is 2.5%. It falls under HS subheading 8409.99 in heading 84.09 (chapter 84). Source: https://border.bot/countries/united-states/hs-codes/8409999110 Last updated: 9 October 2026 [Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 84](https://border.bot/countries/united-states/hs-codes/84) / [8409.99](https://border.bot/countries/united-states/hs-codes/840999) / [8409.99.91.10](https://border.bot/countries/united-states/hs-codes/8409999110) ## Key facts - Tariff line: 8409.99.91.10 - Covers: Parts suitable for use solely or principally with the engines of heading 8407 or 8408, 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 - Duty (MFN): 2.5% - Preferential rates: From free (17 programmes or origins) - Additional duties: None recorded - Restrictions: None recorded - Tariff: [United States](https://border.bot/countries/united-states) - HS subheading: [8409.99](https://border.bot/hs-codes/840999) ## What this line covers In the United States tariff, line 8409.99.91.10 covers parts suitable for use solely or principally with the engines of heading 8407 or 8408, 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. Its legal text is “Connecting rods”, read under “Other”, “Other”, “Other” and “To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704”. ## How it is structured It falls under HS subheading 8409.99 in heading 84.09 (chapter 84). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff. - Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof - Heading 84.09: Parts suitable for use solely or principally with the engines of heading 8407 or 8408 - Subheading 8409.99: Other - Within the subheading: Other - Within the subheading: Other - Within the subheading: To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 - Line 8409.99.91.10: Connecting rods ## Duty The general (MFN) duty rate is 2.5%. The rate is published on 8409.99.91. Duty-free entry applies to goods that qualify under 16 programmes, and to goods from a group of origins (origin group A*). - Free: a group of origins (origin group A*) (A*) - Free: United States-Australia Free Trade Agreement (AU) - Free: United States-Bahrain Free Trade Agreement Implementation Act (BH) - Free: United States-Chile Free Trade Agreement (CL) - Free: United States-Colombia Trade Promotion Agreement Implementation Act (CO) - Free: African Growth and Opportunity Act (D) - Free: Caribbean Basin Economic Recovery Act (E) - Free: United States-Israel Free Trade Area (IL) - Free: United States-Jordan Free Trade Area Implementation Act (JO) - Free: United States-Korea Free Trade Agreement Implementation Act (KR) - Free: United States-Morocco Free Trade Agreement Implementation Act (MA) - Free: United States-Oman Free Trade Agreement Implementation Act (OM) - Free: Dominican Republic-Central America-United States Free Trade Agreement (P) - Free: United States-Panama Trade Promotion Agreement Implementation Act (PA) - Free: United States-Peru Trade Promotion Agreement Implementation Act (PE) - Free: United States-Mexico-Canada Agreement (S) - Free: United States-Singapore Free Trade Agreement (SG) ## In other countries No other national tariff on border.bot has live lines under 8409.99 yet. - [The Harmonized System text for 8409.99](https://border.bot/hs-codes/840999) ## Other lines under 8409.99 - [8409.99.10.40](https://border.bot/countries/united-states/hs-codes/8409991040) For vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 - [8409.99.10.60](https://border.bot/countries/united-states/hs-codes/8409991060) For marine propulsion engines - [8409.99.10.80](https://border.bot/countries/united-states/hs-codes/8409991080) Other - [8409.99.91.90](https://border.bot/countries/united-states/hs-codes/8409999190) Other - [8409.99.92.10](https://border.bot/countries/united-states/hs-codes/8409999210) Connecting rods - [8409.99.92.90](https://border.bot/countries/united-states/hs-codes/8409999290) Other - [8409.99.99.10](https://border.bot/countries/united-states/hs-codes/8409999910) Connecting rods - [8409.99.99.90](https://border.bot/countries/united-states/hs-codes/8409999990) Other - Previous line: [8409.99.10.80](https://border.bot/countries/united-states/hs-codes/8409991080) Other - Next line: [8409.99.91.90](https://border.bot/countries/united-states/hs-codes/8409999190) Other ## Frequently asked questions ### What does tariff line 8409.99.91.10 cover in the United States tariff? In the United States tariff, line 8409.99.91.10 covers parts suitable for use solely or principally with the engines of heading 8407 or 8408, 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. ### What is the general (MFN) duty on 8409.99.91.10 in the United States? The general (MFN) duty rate is 2.5%. The rate is published on 8409.99.91. ### Which preferential rates apply to 8409.99.91.10? Duty-free entry applies to goods that qualify under 16 programmes: the United States-Australia Free Trade Agreement, the United States-Bahrain Free Trade Agreement Implementation Act, the United States-Chile Free Trade Agreement, the United States-Colombia Trade Promotion Agreement Implementation Act, African Growth and Opportunity Act, Caribbean Basin Economic Recovery Act, the United States-Israel Free Trade Area, the United States-Jordan Free Trade Area Implementation Act, the United States-Korea Free Trade Agreement Implementation Act, the United States-Morocco Free Trade Agreement Implementation Act, the United States-Oman Free Trade Agreement Implementation Act, the Dominican Republic-Central America-United States Free Trade Agreement, the United States-Panama Trade Promotion Agreement Implementation Act, the United States-Peru Trade Promotion Agreement Implementation Act, the United States-Mexico-Canada Agreement and the United States-Singapore Free Trade Agreement, and to goods from a group of origins (origin group A*). ## Sources and updates The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. This page was last updated on 9 October 2026. Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling. Official source files: - https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false Machine-readable: https://border.bot/countries/united-states/hs-codes/8409999110.json