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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Caterpillar 101-0509 Hydraulic Control Valve Integral Edge-Bonded Plate Seal
Caterpillar 101-0509 Hydraulic Control Valve Integral Edge-Bonded Plate Seal

CAT P/N 101-0509 OEM Hydraulic Control Valve Integral Seal Caterpillar 1010509

Regular price $24.97
Sale price $24.97 Regular price $39.95
Unit price
CAT P/N | 030-2010 Oil Pressure Sending NPTF #2 Male Caterpillar 0302010

CAT P/N | 030-2010 Oil Pressure Sending NPTF #2 Male Caterpillar 0302010

Regular price $72.00
Sale price $72.00 Regular price $90.00
Unit price
CAT P/N : 7N-1621 Circuit Breaker Assembly (3 A) with Automatic Reset 7N162

CAT P/N : 7N-1621 Circuit Breaker Assembly (3 A) with Automatic Reset 7N162

Regular price $19.96
Sale price $19.96 Regular price $0.00
Unit price
CAT P/N 9H-6761: 21.89mm Inside Diameter Seal-O-Ring (5 pack)

CAT P/N 9H-6761: 21.89mm Inside Diameter Seal-O-Ring (5 pack)

Regular price $17.19
Sale price $17.19 Regular price $0.00
Unit price
CAT P/N 7S-8561: 3.53 x 405.26mm 75A NBR O-Ring

CAT P/N 7S-8561: 3.53 x 405.26mm 75A NBR O-Ring

Regular price $12.86
Sale price $12.86 Regular price $0.00
Unit price
CAT P/N 5H-2767: 3.53 x 23.39mm 75A NBR O-Ring

CAT P/N 5H-2767: 3.53 x 23.39mm 75A NBR O-Ring

Regular price $8.96
Sale price $8.96 Regular price $0.00
Unit price
CAT P/N 3E-6329 OEM Caterpillar 93 db 24 Volt Action Alarm 3E6329

CAT P/N 3E-6329 OEM Caterpillar 93 db 24 Volt Action Alarm 3E6329

Regular price $32.63
Sale price $32.63 Regular price $0.00
Unit price
CAT P/N 3D-3295: 786.76mm Inside Diameter Seal-O-Ring

CAT P/N 3D-3295: 786.76mm Inside Diameter Seal-O-Ring

Regular price $16.64
Sale price $16.64 Regular price $0.00
Unit price
CAT P/N 3D-2992: 2.62 x 26.64mm 75A NBR O-Ring (3- Pack)

CAT P/N 3D-2992: 2.62 x 26.64mm 75A NBR O-Ring (3- Pack)

Regular price $13.36
Sale price $13.36 Regular price $0.00
Unit price
CAT P/N 2P-7468 Support A Molding Caterpillar 2P7468

CAT P/N 2P-7468 Support A Molding Caterpillar 2P7468

Regular price $12.96
Sale price $12.96 Regular price $0.00
Unit price
CAT P/N 2J-0157: 15.47mm Inside Diameter Seal-O-Ring (3-pack)

CAT P/N 2J-0157: 15.47mm Inside Diameter Seal-O-Ring (3-pack)

Regular price $9.96
Sale price $9.96 Regular price $0.00
Unit price
CAT P/N 1H-8128: 94.84mm Inside Diameter Seal-O-Ring Turbo Screen Grp

CAT P/N 1H-8128: 94.84mm Inside Diameter Seal-O-Ring Turbo Screen Grp

Regular price $11.96
Sale price $11.96 Regular price $0.00
Unit price
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