Browse by model
Models
Pick a model to see every OEM code we track for it.
Most requested
Top Buick codes
Popular parts across the whole Buick range.
Explore more
Related brands
Genuine used parts for other makes we source and deliver.
From the blog
Buying Buick parts
Practical guides on part numbers, fitment and how we source and ship genuine used OEM parts.
OEM CodesWhy OEM Numbers Are the Universal Language of Used Car Parts
OEM numbers are the secret code to finding the perfect used car part. Learn how they work, why they matter, and how to use them for accurate fitment.
22 Jul 2026 · 5 min readRead
OEM CodesCross-Reference OEM Numbers: How One Part Fits Multiple Car Models
Learn how to cross-reference OEM numbers to find the same part used in different car models. Save money with used genuine parts that fit your vehicle.
20 Jul 2026 · 4 min readRead
Buying GuidesUsed Headlights and Taillights: Buying OEM Lighting That Actually Fits
Find out how to buy used OEM headlights and taillights that fit perfectly. Learn about part numbers, common pitfalls, and how Auto128 helps you get the right part.
17 Jul 2026 · 7 min readRead