Vehicle details
The factory specification for this GMC SIERRA 3500 HD Standard Cab Pickup: engine, power, drivetrain and build years to help you match the exact OEM parts.
Parts for this model
Every code shows the vehicles it fits, sourced from live genuine supply.
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Guides & advice
Read up on fitment, part numbers and how we source and ship genuine used OEM parts worldwide.
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.
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.
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.