GM Parts

Cottonwood Surplus Sales stocks over 1,700 genuine GM parts, including OEM and New Old Stock (NOS) components for Chevrolet, GMC, Cadillac, and Buick vehicles — from Silverado pickups to Camaro sports cars. Sourced from ACDelco and General Motors, our inventory covers nearly every system on the vehicle: brake pads and calipers, oxygen sensors, oil pressure switches, wiring harnesses, transmission filters and gaskets, CV axle shafts, mirrors, seat belts and buckles, cargo mats, emblems, and interior trim.

Every listing includes the exact GM part number, so you can match your vehicle's original equipment with confidence instead of guessing at aftermarket fitment. Many parts are factory sealed or NOS, giving you OEM reliability without dealer pricing.

Search by part number if you know exactly what you need, or filter by brand to browse ACDelco or General Motors inventory. New parts are added regularly as fresh surplus and take-off inventory comes in.