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Caterpillar / CAT

Browse Caterpillar and CAT parts used in heavy equipment, diesel engines, generator sets, construction machinery, mining equipment, marine engines, and industrial systems. CAT components are commonly needed for repair, maintenance, replacement, rebuilds, and uptime support in demanding working environments.

HRS Supplies may offer new, used, refurbished, remanufactured, and surplus Caterpillar parts including ECMs, control modules, sensors, fuel injectors, pumps, hydraulic pumps, hydraulic cylinders, turbochargers, compressors, engine components, electrical parts, and other heavy equipment replacement components. This collection is ideal for customers searching by CAT brand, part number, machine application, or component type.

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$849.99
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Current price $849.99

CAT 618-2177 DIESEL EXHAUST FLUID MANIFOLD

HRS Supplies
In stock

The CAT 618-2177 Diesel Exhaust Fluid Manifold is a genuine Caterpillar aftertreatment component designed to distribute and regulate DEF injection ...

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$849.99
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Current price $849.99
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$14,999.99
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Current price $14,999.99

CAT 559-5631 ELECTRONIC DISPLAY MODULE

HRS Supplies
Low stock

The CAT 559-5631 ELECTRONIC DISPLAY MODULE is a industrial equipment / test instrument for professional industrial, electrical, network, calibratio...

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$14,999.99
$14,999.99 - $14,999.99
Current price $14,999.99
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$500.00
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Current price $500.00

CAT 630-4974 CONTROL GP

HRS Supplies
Low stock

The Caterpillar 630-4974 Control GP is a genuine CAT control group assembly designed to manage machine functions and support reliable operation of ...

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$500.00
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Current price $500.00
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$64.99
$64.99 - $64.99
Current price $64.99

CAT 7E-6830 350MM LONG THERMOCOUPLE

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In stock

The CAT 7E-6830 is a Caterpillar thermocouple with a 350 mm overall length, used in compatible engine and machine applications for temperature sens...

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$64.99
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Current price $64.99
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$949.99
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Current price $949.99

CAT 629-1147 DIESEL EXHAUST FLUID INJECTOR MOUNTING

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In stock

The CAT 629-1147 is a Caterpillar diesel exhaust fluid injector mounting component used to secure the DEF injector in the correct position within c...

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$949.99
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Current price $949.99
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$850.00
$850.00 - $850.00
Current price $850.00

CAT 607-3547 TURBO CHARGER

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Low stock

The CAT 607-3547 TURBO CHARGER is a turbocharger for professional industrial, electrical, network, calibration, or equipment-service applications. ...

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$850.00
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Current price $850.00
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$35.00
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Current price $35.00

CAT 6V-0405: 2.76MM THICK CIRCULAR BONDED SEAL WASHER (QTY:25)

HRS Supplies
In stock

The CAT 6V-0405: 2.76MM THICK CIRCULAR BONDED SEAL WASHER is a industrial equipment / test instrument for professional industrial, electrical, netw...

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$35.00
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Current price $35.00
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$400.00
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Current price $400.00

CAT 608-4420 SENSOR KIT

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Low stock

The CAT 608-4420 Sensor Kit is a genuine Caterpillar service kit listed for use with 850 series applications and includes sensor-related components...

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$400.00
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Current price $400.00
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$1,600.00
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Current price $1,600.00

CAT 8X-2317 PUMP

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Low stock

The Caterpillar 8X-2317 Pump is a genuine CAT fluid system component engineered to provide dependable performance and reliable operation in demandi...

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$1,600.00
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Current price $1,600.00
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$125.00
$125.00 - $125.00
Current price $125.00

CAT 569-3109 ELECTRONIC CONTROL GROUP

HRS Supplies
In stock

CAT 569-3109 is a genuine Cat electronic control group listed by Cat under electrical and electronics telematics. It is intended for equipment conf...

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$125.00
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Current price $125.00
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$10.00
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Current price $10.00

CAT 7E-3222 MOUNT

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In stock

The Caterpillar 7E-3222 Mount is a genuine CAT mounting component designed to securely support equipment assemblies and maintain proper alignment i...

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$10.00
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Current price $10.00
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$649.99
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Current price $649.99

CAT 611-2656 12-24V PUMP POSITION SENSOR

HRS Supplies
In stock

The CAT 611-2656 12-24V PUMP POSITION SENSOR is a sensor component for professional industrial, electrical, network, calibration, or equipment-serv...

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$649.99
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$449.99
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Current price $449.99

CAT 594-8690 DIESEL EXHAUST FLUID SENSOR KIT

HRS Supplies
In stock

The CAT 594-8690 Diesel Exhaust Fluid Sensor Kit is a genuine Caterpillar sensor kit used to monitor and manage Diesel Exhaust Fluid injection in c...

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$449.99
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Current price $449.99
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$1,200.00
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Current price $1,200.00

CAT 590-2532 DUAL SLACK ADJUSTER

HRS Supplies
In stock

CAT 590-2532 is a genuine Cat dual slack adjuster used in rear brake hydraulic applications. Cat identifies it as a rear brake dual slack adjuster ...

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$1,200.00
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Current price $1,200.00
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$2,499.99
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Current price $2,499.99

CAT 618-2179 DIESEL EXHAUST FLUID MANIFOLD

HRS Supplies
In stock

The CAT 618-2179 DIESEL EXHAUST FLUID MANIFOLD is a industrial equipment / test instrument for professional industrial, electrical, network, calibr...

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$2,499.99
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Current price $2,499.99
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$499.99
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Current price $499.99

CAT 523-5173 CONT GP

HRS Supplies
In stock

CAT 523-5173 is a genuine Cat electronic control group associated with EMCP 4 annunciator/condition monitoring applications. It is used in compatib...

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$499.99
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Current price $499.99
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$8,999.99
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Current price $8,999.99

CAT 7C-8972 FUEL PUMP GP

HRS Supplies
Low stock

The CAT 7C-8972 is a Caterpillar fuel pump group intended for fuel system service on compatible Cat engines and equipment where this exact part num...

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$8,999.99
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Current price $8,999.99
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$27,499.99
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Current price $27,499.99

CAT 567-8386 PUMP GP FUEL

HRS Supplies
Low stock

CAT 567-8386 is a genuine Cat fuel pump group listed as PUMP GP FUEL in the source file. It is intended for replacement or service where Cat docume...

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$27,499.99
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Current price $27,499.99
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$1,199.99
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Current price $1,199.99

CAT 538-5051 COMMUNICATION ADAPTER KIT

HRS Supplies
In stock

The CAT 538-5051 COMMUNICATION ADAPTER KIT is a industrial equipment / test instrument for professional industrial, electrical, network, calibratio...

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$1,199.99
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Current price $1,199.99
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$239.99
$239.99 - $239.99
Current price $239.99

CAT 552-5534 FUEL TRANSFER PUMP

HRS Supplies
In stock

CAT 552-5534 is a genuine Cat fuel transfer pump assembly used to move fuel under pressure from the tank to the fuel injection pump. It is built fo...

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$239.99
$239.99 - $239.99
Current price $239.99
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$300.00
$300.00 - $300.00
Current price $300.00

CAT 539-0118 SENSOR

HRS Supplies
In stock

The CAT 539-0118 Sensor Assembly is a genuine Caterpillar NOx emissions sensor group used in tailpipe-out exhaust aftertreatment applications. It m...

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$300.00
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Current price $300.00
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$600.00
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Current price $600.00

CAT FUEL INJECTOR 10R-8989 280-0574 FOR CAT CAT ENGINE C15

HRS Supplies
Low stock

The CAT 10R-8989 is a remanufactured engine fuel system component, typically an injector or fuel delivery unit, rebuilt to Caterpillar OEM specific...

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$600.00
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Current price $600.00
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$20,999.99
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Current price $20,999.99

CAT 567-8384 PUMP GP FUEL

HRS Supplies
Low stock

The CAT 567-8384 Pump GP-Fuel is a genuine Caterpillar fuel pump group used in compatible Cat large engine and off-highway equipment applications. ...

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$20,999.99
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Current price $20,999.99
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$250.00
$250.00 - $250.00
Current price $250.00

CAT 539-0117 NOX SENSOR ASSEMBLY

HRS Supplies
In stock

The CAT 539-0117 NOx Sensor Assembly is a genuine Caterpillar emissions sensor used to measure nitrogen oxide levels in engine exhaust. Cat NOx sen...

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$250.00
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Current price $250.00

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