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.
Filters
CAT P/N | 2P-9221: Transmission Control Wiring Harness Caterpillar 2P9221
CAT P/N | 2P-6532: Non-Cogged V-Belt Caterpillar 2P6532
CAT P/N | 2K-4472: 158.34mm Inner Diameter O-Ring Seal
CAT Genuine 239-5944 Heavy-Duty Serpentine Belt (Width 27.9) | 2395944
CAT P/N | 235-4972 Loader Belt Genuine Caterpillar 2354972
Genuine Caterpillar 153-3962 Pressure Sensor | 5kHz PWM | OEM New Old Stock (NOS)
CAT P/N | 147-5399 Genuine Caterpillar Solenoid Valve 1475399
CAT P/N | 130-7257 Refrigerant Water Valve Caterpillar 1307257
CAT P/N | 129-5119 Banded (54.5mm Width) Cogged Belt
CAT P/N | 128-4971 OEM Air Control Toggle Valve 1284971 No-Core
CAT P/N | 117-0036: (2187mm) Long Raw Edge Cogged V-Belt Caterpillar 117003
CAT P/N | 113-9608 30 mm Grooved Pin Caterpillar 1139608
- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
- Price, low to high
- Price, high to low
- Date, old to new
- Date, new to old