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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21189909 Genuine Volvo OEM Catwalk Plate
21189909 Genuine Volvo OEM Catwalk Plate

Volvo 21189909 VNL Aluminum Deck Plate Catwalk (New Factory Take-off)

Regular price $154.36
Sale price $154.36 Regular price $0.00
Unit price
Genuine CAT 2G-5675 M42 ID Steel Flat Washer Caterpillar 2G5675
Genuine CAT 2G-5675 M42 ID Steel Flat Washer Caterpillar 2G5675

Genuine CAT 2G-5676 M42 ID Steel Flat Washer | Caterpillar 2G5676 OEM NOS

Regular price $6.50
Sale price $6.50 Regular price $33.00
Unit price
Genuine CAT 2G-5675 M42 ID Steel Flat Washer Caterpillar 2G5675
Genuine CAT 2G-5675 M42 ID Steel Flat Washer Caterpillar 2G5675

Genuine CAT 2G-5675 M42 ID Steel Flat Washer Caterpillar 2G5675

Regular price $8.00
Sale price $8.00 Regular price $34.00
Unit price
Genuine CAT 116-2810 DE Valve Caterpillar 1162810
Genuine CAT 116-2810 DE Valve Caterpillar 1162810

Genuine CAT 116-2810 Breaker Relief Valve | OEM Caterpillar Hydraulic Tank Breather (1162810)

Regular price $150.00
Sale price $150.00 Regular price $210.00
Unit price
Genuine CAT 214-4862 Position Sensor Caterpillar 2144862
Genuine CAT 214-4862 Position Sensor Caterpillar 2144862

Genuine CAT 214-4862 Position Sensor (2144862) | OEM Caterpillar

Regular price $150.00
Sale price $150.00 Regular price $374.00
Unit price
Genuine CAT 2S-5926 Track Adjuster Relief Valve - Caterpillar OEM Construction Part OEM Package on White background

Genuine CAT 2S-5926 Track Adjuster Relief Valve - Caterpillar OEM Construction Part

Regular price $10.00
Sale price $10.00 Regular price $25.00
Unit price
5K-2595C Genuine CAT Seal Caterpillar 5K2595C with OEM Package View
5K-2595C Genuine CAT Seal Caterpillar 5K2595C with OEM Package View

Genuine CAT 5K-2595C Seal - Caterpillar OEM Heavy Duty Construction Equipment Part

Regular price $10.00
Sale price $10.00 Regular price $25.00
Unit price
3E-5465J Genuine CAT Thermostat Switch Assembly Caterpillar 3E5465J on Bright white background View
3E-5465J Genuine CAT Thermostat Switch Assembly Caterpillar 3E5465J on Bright white background View

3E-5465J Genuine CAT Thermostat Switch Assembly — Heavy Duty Equipment Replacement Part

Regular price $59.00
Sale price $59.00 Regular price $86.00
Unit price
5P-7703
Split Rubber Grommet
5P-7703
Split Rubber Grommet

Genuine CAT 5P-7703 Split Rubber Grommet Caterpillar 5P7703

Regular price $13.00
Sale price $13.00 Regular price $28.00
Unit price
Genuine CAT 214-7566 O-Ring Caterpillar 2147566

Genuine CAT 214-7566 O-Ring | Caterpillar 2147566 Seal

Regular price $1.95
Sale price $1.95 Regular price $4.38
Unit price
Genuine CAT 161-1705 Pressure Sensor Caterpillar 1611705 in OEM Package
Genuine CAT 161-1705 Pressure Sensor Caterpillar 1611705 in OEM Package

Genuine CAT 161-1705 Pressure Sensor Caterpillar 1611705

Regular price $109.00
Sale price $109.00 Regular price $298.00
Unit price
Genuine CAT 9R-9753 Cab Window Catch Assembly RH | Caterpillar 9R9753
Genuine CAT 9R-9753 Cab Window Catch Assembly RH | Caterpillar 9R9753

Genuine CAT 9R-9753 Cab Window Catch Assembly RH | Caterpillar 9R9753

Regular price $45.00
Sale price $45.00 Regular price $99.00
Unit price
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