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.
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3103015 Genuine Cummins Heavy Duty Engine Grommet Seal
Genuine Red Dot RD-5-6868-0 Block-Type A/C Expansion Valve – OEM Heavy-Duty HVAC
Genuine CAT 107-3378 Grooved Pin G.E.T. – OEM Caterpillar J550 Series Bucket Tooth Locking Pin
133-0738 Genuine CAT Bucket Sidebar Protector Pin G.E.T.
Genuine CAT 232-0170 Retainer GET | K170 Series Hammerless Tip Retainer | Fits 374, 385, 390, 992
Genuine CAT 107-8559 Caterpillar 1078559 Heavy Duty J550 Tip Pin Retainer
Genuine Cummins 3027924 Connection Gasket (L10, M11, ISM)
Genuine Cummins 5264570 Oil Drain Gasket | Turbocharger Return Seal | Fits ISX15, QSX15, ISM
Genuine Cummins 3682064 Hex Flange Head Cap Screw | Fits ISX15, QSX15, ISX12 | Engine Bolt
Rig Force RF20550690 Charge Air Cooler (CAC) Hose | Fits Volvo D13 & Mack Engines | Replaces 20550690
Genuine Cummins Turbo-To-Manifold Gasket 3901356 | T3 Flange for 5.9L B-Series
Genuine Donaldson P627028 Ventilation Air Filter | Fits Caterpillar Backhoe Loaders
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