HEADING 8503

Parts suitable for use solely or principally with the machines of heading 8501 or 8502:

Part of Chapter 85 — Electrical Machinery and Equipment, Section XVI.

Subheadings and tariff lines

8503.00Parts suitable for use solely or principally with the machines of heading 8501 or 8502: 8503.00.20.00Commutators

8503.00D01Stators and rotors for the goods of heading 8501:

8503.00.35.00For motors of under 18.65 W 8503.00.45.00For generators suitable for use on aircraft 8503.00.65.00Other

8503.00D02Other:

8503.00.75.00For motors of under 18.65 W 8503.00.90.00For generators suitable for use on aircraft 8503.00.95Other 8503.00.95.20Parts of motors

8503.00.95D03Parts of generators:

8503.00.95.46For AC generators (alternators) classified in statistical reporting number 8501.64.0110 8503.00.95.50Other

8503.00.95D04Other:

8503.00.95.70Parts of wind-powered generating sets classified in subheading 8502.31.00 8503.00.95.80Other

Recent CBP rulings on heading 8503

N360627 April 24, 2026

The tariff classification of parts for motors and sensors from various countries

N360060 April 22, 2026

The tariff classification of parts of flight control surfaces from Canada and Mexico

N352317 September 4, 2025

The tariff classification of housings for 5 electric motors from Vietnam

N339173 April 17, 2024

The country of origin of a wind turbine internal steel structure

H302575 July 26, 2023

Application for Further Review of Protest Number 390118100874; 19 C.F.R. § 10.31(g)

N327096 August 10, 2022

The classification of components used within the blower assembly from China or Malaysia

N327121 August 8, 2022

The classification of a blower assembly and components used within the blower assembly from China, Indonesia, or Malaysia.

H312437 August 25, 2021

USMCA Eligibility; Stator Assembly; Country of Origin; Marking; 19 U.S.C. § 1304; Trade Remedy Section 301 Duties

N319106 May 12, 2021

The country of origin and status under the United States-Mexico-Canada Trade Agreement (USMCA) of a rotor assembly

N318896 April 28, 2021

The classification and preferential status under the United States-Mexico-Canada Agreement of an electric motor

H314638 April 22, 2021

Country of origin of a Motor Assembly; Section 301 trade remedy; Marking

H316187 February 26, 2021

Country of origin Marking of an Evaporator Assembly for an Automobile Air Conditioner; USMCA Eligibility

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