Construction Equipment Parts – Surplus & Overstock OEM
Finding genuine OEM parts for construction equipment shouldn't require a dealership appointment or a three-week wait. BB Overstock Parts stocks surplus, overstock, and new-old-stock (NOS) OEM parts for CAT, JCB, Doosan, John Deere, Hitachi, and other major construction equipment brands — ready to ship, at prices well below dealer cost.
Our construction equipment inventory covers excavators, backhoe loaders, dozers, skid steers, asphalt pavers, and more. Every part in stock is genuine OEM or verified-quality surplus — not knock-off aftermarket. When you order here, you get the part that was designed for the machine.
Quantities are limited by nature. Surplus and overstock inventory doesn't restock on a schedule. If you see it, it's available now. If you need help confirming a part number or fitment before ordering, contact us — we're happy to help.
Shop by Brand
Cummins P/N | 3163151 ECM Bench Calibration Base Test Harness
Cummins P/N 4352672 Wiring Harness Fits ISX Engines for Mack-Pete-Freightli
CAT P/N | 129-5119 Banded (54.5mm Width) Cogged Belt
CAT P/N | 4N-7335 V-Belt 1/2-43.0 Caterpillar 4N7335
CAT P/N | 117-0036: (2187mm) Long Raw Edge Cogged V-Belt Caterpillar 117003
Paccar P/N | Q21-6020 Peterbilt HVAC Control Module Q216120
Cummins P/N | 3687073 Fuel Pump Support Plate/Bracket
CAT P/N/ | 9X-2207 Aluminum Fuel Cap Adapter Kit Caterpillar 9X2207
CAT P/N | 7E-4761 3/4" Thread Brass Shutoff Valve NPTF Male Stud And Hose B
CAT P/N | 6G-2992 /212.8mm Outer Diameter Drive Pump Steel Shim Pack 6G2992
Volvo/Mack OEM P/N | 3949301 Rotary 3 Speed Blower HVAC Fan Switch
Cole Hersee 75600-02 Washer/Wiper Rotary Selector Switch | Volvo & Mack
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