OP Parts is a brand of Interamerican Motor Corporation (IMC), a leading distributor of OE quality import replacement parts. IMC is known for its extensive catalog of over 70,000 parts for German, Swedish, British, Asian, and domestic vehicles, with a strong focus on European and Asian import parts. OP Parts, as part of IMC, likely offers heavy-duty parts suitable for these vehicle types, though specific details about the brand's offerings are not provided in the search results.