What HS code 8409.91 covers
HS code 8409.91 classifies engines; parts, suitable for use solely or principally with spark-ignition internal combustion piston engines (for other than aircraft). It is a subheading of heading 8409 (Parts suitable for use solely or principally with the engines of heading no. 8407 or 8408), in chapter 84 (Machinery and mechanical appliances, boilers, nuclear reactors; parts thereof), section XVI of the Harmonized System. These six digits are identical in every country that uses the HS.
Classification path
Import duty for 8409.91
Base MFN rate only. Section 301 and 2025 IEEPA tariffs can stack on top for goods from China.
Source: HTSUS / CBP
Erga-omnes (third-country) MFN rate. Import VAT of 17 to 27 percent by country, and any anti-dumping measures, apply separately.
Source: TARIC
Imported this in 2024 or 2025?
Courts voided some of the tariffs importers paid on goods like this. You may be owed money back. The audit is free and we only get paid when you do.
Related codes in heading 8409
Not quite the right fit? These subheadings sit under the same heading and are the most common alternatives to 8409.91.
- 8409.10 Engines; parts of aircraft engines (spark-ignition reciprocating or rotary internal combustion piston engines)
- 8409.99 Engines; parts for internal combustion piston engines (excluding spark-ignition)
Confirm the code for your exact product
A 6-digit subheading still covers a range of products. The wrong code at the border can mean overpaying duty, a delayed shipment, or a penalty. Describe your exact item and HS Mate confirms whether 8409.91 is right, with the duty rate and an audit trail your customs broker can accept.