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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CAT P/N 101-3715 OEM Caterpillar Cartridge 1013715

CAT P/N 101-3715 OEM Caterpillar Cartridge 1013715

Regular price $99.97
Sale price $99.97 Regular price $0.00
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Cat transmission switch with packaging on a white background
Cat transmission switch with packaging on a white background

CAT 9W-1908 Transmission Selector Switch for Caterpillar 777 Off-Highway Truck

Regular price $489.63
Sale price $489.63 Regular price $1,031.00
Unit price
CAT 8N-0878 V-Band Engine Cooling Clamp 10148-3 RG Ray
CAT 8N-0878 V-Band Engine Cooling Clamp 10148-3 RG Ray

CAT 8N-0878 V-Band Engine Cooling Clamp 10148-3 RG Ray

Regular price $28.96
Sale price $28.96 Regular price $0.00
Unit price
CAT 8F-6711: 56.74mm Inside Diameter Seal-O-Ring Caterpillar 8F6711

CAT 8F-6711: 56.74mm Inside Diameter Seal-O-Ring Caterpillar 8F6711

Regular price $11.93
Sale price $11.93 Regular price $0.00
Unit price
CAT 8F-3469 Seal- O-Ring Caterpillar 8F3469 (2-Pack)

CAT 8F-3469 Seal- O-Ring Caterpillar 8F3469 (2-Pack)

Regular price $9.96
Sale price $9.96 Regular price $0.00
Unit price
CAT 7X-7943 Black 4 Arm Clamp Knob M10 Stud 7X7943

CAT 7X-7943 Black 4 Arm Clamp Knob M10 Stud 7X7943

Regular price $11.21
Sale price $11.21 Regular price $12.46
Unit price
CAT 7N-7672 Atomizer A 7N7672 Caterpillar

CAT 7N-7672 Atomizer A 7N7672 Caterpillar

Regular price $36.97
Sale price $36.97 Regular price $0.00
Unit price
CAT 7F-8267: 47.22mm Inner Diameter Seal-O-Ring Caterpillar 7F8267

CAT 7F-8267: 47.22mm Inner Diameter Seal-O-Ring Caterpillar 7F8267

Regular price $10.18
Sale price $10.18 Regular price $0.00
Unit price
CAT 6V-7621 Rotary Latch Caterpillar 6V7621 Loader/Dozer

CAT 6V-7621 Rotary Latch Caterpillar 6V7621 Loader/Dozer

Regular price $68.96
Sale price $68.96 Regular price $0.00
Unit price
CAT 5F-9657 Seal-O-Ring 36.09mm ID Caterpillar 5F9657 (2-Pack)

CAT 5F-9657 Seal-O-Ring 36.09mm ID Caterpillar 5F9657 (2-Pack)

Regular price $9.93
Sale price $9.93 Regular price $0.00
Unit price
Black
CAT 4M-8303 Seal-O-Ring Caterpillar 4M8303 (2-pack)

CAT 4M-8303 Seal-O-Ring Caterpillar 4M8303 (2-pack)

Regular price $9.93
Sale price $9.93 Regular price $0.00
Unit price
CAT 4D-3107 Seal-O-Ring Caterpillar 4D3107 (3-Pack)

CAT 4D-3107 Seal-O-Ring Caterpillar 4D3107 (3-Pack)

Regular price $13.92
Sale price $13.92 Regular price $0.00
Unit price
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