Westminster, Calif.—Original Equipment Reproduction (OER) was founded more than 30 years ago to meet the needs for spot-on accurate GM reproduction parts in the GM enthusiast market, OER President Jeff Leonard said. "Today, OER is the most asked-for brand in GM restoration parts."Learn More

OER brings to life 10,000 classic GM parts. Interior, sheet metal, trim pieces, and mechanical that meet or exceed quality of the original and carry the GM seal of approval. Learn More