9959.00.00

Materials of Section III, VI, VII, XI, XIII, XIV or XV or of Chapter 45 or 48, or electric conductors for a voltage exceeding 1,000 V (excluding winding wire and co-axial conductors), for use in the manufacture of passenger automobiles, buses, trucks, ambulances or hearses, or chassis therefor, or parts, accessories or parts thereof, other than rubber tires and inner tubes.

Canada Tariff Code 9959.00.00 falls under HS subheading 995900. Preferential rates, trade remedies and other duties can change what you actually pay.