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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CAT P/N 1H-8128: 94.84mm Inside Diameter Seal-O-Ring Turbo Screen Grp
CAT P/N 3D-2992: 2.62 x 26.64mm 75A NBR O-Ring (3- Pack)
CAT P/N 2J-0157: 15.47mm Inside Diameter Seal-O-Ring (3-pack)
CAT P/N 5H-2767: 3.53 x 23.39mm 75A NBR O-Ring
CAT P/N | 3S-2909: Retaining Ring (Snap Ring) Caterpillar 3S2909
CAT P/N | 5P-3620: 148.59mm Inside Diameter Seal-O-Ring
CAT P/N | 8F-8882: 66.27mm Inner Diameter Seal O Ring
CAT P/N | 3H-0107: 3.53 x 21.82mm 75A NBR O-Ring (2 Pack)
CAT P/N | 3D-4245: 2.62 x 25.07mm 75A NBR O-Ring
CAT P/N | 3D-4245: 2.62 x 25.07mm 75A NBR O-Ring (3 Pack)
CAT P/N | 7F-8607: 18.72mm Inside Dia Seal-O-Ring Caterpillar 7F8607 (2Pack
CAT P/N | 6F-6673: Rubber O Ring Seal Caterpillar 6F6673 (2-Pack)
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