How do I use Yahoo Japan Auctions to source JDM parts?

Yahoo Japan Auctions is Japan's largest secondhand marketplace with massive JDM parts inventory. Non-Japanese residents must use a proxy buying service like Buyee, Zenmarket, or FromJapan, which bid, purchase, and consolidate shipments on your behalf. Fees run 5-10% of item price plus shipping. Use Google Translate on part numbers or car-specific terms, filter by condition, and check seller ratings carefully. Allow 2-3 weeks for consolidated international shipping.