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 8N-0879 Turbo-Exhaust Clamp CAT 8N0879

Caterpillar 8N-0879 Turbo-Exhaust Clamp CAT 8N0879

Regular price $12.22
Sale price $12.22 Regular price $0.00
Unit price
Caterpillar 135-5553 Sleeve Bearing Bushing CAT 1355553

Caterpillar 135-5553 Sleeve Bearing Bushing CAT 1355553

Regular price $85.23
Sale price $85.23 Regular price $0.00
Unit price
CAT P/N/ | 9X-2207 Aluminum Fuel Cap Adapter Kit Caterpillar 9X2207

CAT P/N/ | 9X-2207 Aluminum Fuel Cap Adapter Kit Caterpillar 9X2207

Regular price $39.97
Sale price $39.97 Regular price $49.96
Unit price
CAT P/N | 9G-9882 Circuit Breaker Assembly (10 A) Auto Reset 9G9882

CAT P/N | 9G-9882 Circuit Breaker Assembly (10 A) Auto Reset 9G9882

Regular price $59.92
Sale price $59.92 Regular price $0.00
Unit price
CAT P/N | 9G-8187 Back-up Horn Relay Caterpillar 9G8187

CAT P/N | 9G-8187 Back-up Horn Relay Caterpillar 9G8187

Regular price $22.97
Sale price $22.97 Regular price $0.00
Unit price
CAT P/N | 8T-8013 Glow Plug 108-9mm Caterpillar 8T8013

CAT P/N | 8T-8013 Glow Plug 108-9mm Caterpillar 8T8013

Regular price $29.94
Sale price $29.94 Regular price $0.00
Unit price
CAT P/N | 8P7617 OEM Caterpillar Selector Switch 8P7617

CAT P/N | 8P7617 OEM Caterpillar Selector Switch 8P7617

Regular price $229.87
Sale price $229.87 Regular price $0.00
Unit price
CAT P/N | 8F-8882: 66.27mm Inner Diameter Seal O Ring

CAT P/N | 8F-8882: 66.27mm Inner Diameter Seal O Ring

Regular price $9.96
Sale price $9.96 Regular price $0.00
Unit price
CAT P/N | 7W-8135 Engine Cooling Vee Belt OEM Caterpillar 7W8135 (Set of 6)

CAT P/N | 7W-8135 Engine Cooling Vee Belt OEM Caterpillar 7W8135 (Set of 6)

Regular price $79.65
Sale price $79.65 Regular price $0.00
Unit price
CAT P/N | 7W-6130 Camshaft Seal Assy Caterpillar 7W6130

CAT P/N | 7W-6130 Camshaft Seal Assy Caterpillar 7W6130

Regular price $35.86
Sale price $35.86 Regular price $0.00
Unit price
CAT P/N | 7N-8929 OEM Caterpillar Connector-Cable 7N8929

CAT P/N | 7N-8929 OEM Caterpillar Connector-Cable 7N8929

Regular price $42.94
Sale price $42.94 Regular price $0.00
Unit price
CAT P/N | 7N-4594 OEM Caterpillar Differential 24v Switch Replaced by 598-6

CAT P/N | 7N-4594 OEM Caterpillar Differential 24v Switch Replaced by 598-6

Regular price $186.93
Sale price $186.93 Regular price $0.00
Unit price
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