Genuine OEM Caterpillar (CAT) Parts & Components

Genuine OEM Caterpillar (CAT) Parts & Components

Keep your "Yellow Iron" performing at peak capacity with our premium selection of genuine OEM Caterpillar parts. As a cornerstone of our Shop by Brand collection, this inventory features authentic overstock components engineered to meet the exact metallurgical and performance specifications of CAT excavators, dozers, loaders, and industrial engines.

Mission-Critical Hardware & Components

Our Caterpillar inventory is stocked with high-demand, factory-original parts to minimize your machine downtime:

  • Hydraulics & Hardware: High-pressure hydraulic valve blocks, precision sleeve bearings, pivot pins, and bucket wear plates.
  • G.E.T. (Ground Engaging Tools): Genuine CAT bucket tooth locking pins, sidebar protector pins, and hammerless tip retainers (J550 and K170 series).
  • Engine & Electrical: C7 fuel injector wiring harnesses, oil pressure sending units, temperature senders, and heavy-duty cogged V-belts.
  • Maintenance Essentials: Factory-original O-ring seals, seal kits, horn assemblies, and rotary latches.

Why Choose Original CAT Overstock?

By opting for factory-original Caterpillar components over generic "will-fit" aftermarket alternatives, you ensure your heavy equipment maintains its legendary breakout force, structural integrity, and durability. Protect your investment, ensure job site safety, and avoid accelerated wear with authentic components at overstock prices.

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2P-9858 Needle Bearing CAT

2P-9858 Needle Bearing CAT

Regular price $9.97
Sale price $9.97 Regular price $0.00
Unit price
2M5284 Molding Assembly CAT/Caterpillar

2M5284 Molding Assembly CAT/Caterpillar

Regular price $7.74
Sale price $7.74 Regular price $0.00
Unit price
2M-5173 Seal Caterpillar CAT 2M5173

2M-5173 Seal Caterpillar CAT 2M5173

Regular price $6.97
Sale price $6.97 Regular price $0.00
Unit price
2H-6913 Shim Pack Caterpillar CAT 2H6913 (2Pack)

2H-6913 Shim Pack Caterpillar CAT 2H6913 (2Pack)

Regular price $6.98
Sale price $6.98 Regular price $0.00
Unit price
2G-9794 Gasket 2G9794 Caterpillar CAT

2G-9794 Gasket 2G9794 Caterpillar CAT

Regular price $6.97
Sale price $6.97 Regular price $0.00
Unit price
290-4723: NUT-ADJUSTER: CAT/Caterpillar 2904723

290-4723: NUT-ADJUSTER: CAT/Caterpillar 2904723

Regular price $24.36
Sale price $24.36 Regular price $0.00
Unit price
2893778 Tube AS Caterpillar/CAT

2893778 Tube AS Caterpillar/CAT

Regular price $78.68
Sale price $78.68 Regular price $0.00
Unit price
Yellow box with Caterpillar logo and product details on a white background
Yellow box with Caterpillar logo and product details on a white background

254-6825 CAT Cylinder Head Glow Plug (Genuine OEM Surplus)

Regular price $37.67
Sale price $37.67 Regular price $124.00
Unit price
241-3818 Collar Retainer Caterpillar CAT OEM 2413818

241-3818 Collar Retainer Caterpillar CAT OEM 2413818

Regular price $11.67
Sale price $11.67 Regular price $12.97
Unit price
222-7007 Seal Caterpillar CAT 2227007 Lip Type Track Seal

222-7007 Seal Caterpillar CAT 2227007 Lip Type Track Seal

Regular price $23.67
Sale price $23.67 Regular price $0.00
Unit price
221-3877 CAT Wiper Harness

221-3877 CAT Wiper Harness

Regular price $36.17
Sale price $36.17 Regular price $0.00
Unit price
209-4162 CAT Gaurd

209-4162 CAT Gaurd

Regular price $17.97
Sale price $17.97 Regular price $0.00
Unit price
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