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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6D-9157 Genuine Caterpillar (CAT) O-Ring Seal
Genuine International Navistar 509190C2 Toggle Switch (Supersedes 509190C1)
33.46in 12V/24V Pure Copper Cigarette Lighter Socket Extension Cord - 20A Fused
Genuine Cole Hersee 55058-01 4-Pole 4-Circuit Heavy-Duty Headlamp Switch
Genuine Timken JLM104910 Tapered Roller Bearing Cup (JLM1049TRB Series)
TZ-401 Heavy Duty Back-up Alarm | 12V-24V Waterproof Reverse Siren
Detroit Diesel 23532797 Oil Pressure Sensor OEM | 1/4" NPT | For Series 50 & 60 Engines
Genuine Cummins 4896897 Accessory Drive Gasket - For ISB, QSB, and 6BT Engines
Genuine Cummins 4042573 Actuator Service Kit - Factory Sealed OEM - Made in USA
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
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