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.
CAT 457-3636 TURBOCHARGER
HRS SuppliesThe CAT 457-3636 is an engine electronic sensor or actuator component used in Caterpillar diesel engines to provide monitoring or control signals t...
View full detailsCAT 478-0235 COMMUNICATION ADAPTER MFD 2025
HRS SuppliesCAT 478-0235 Communication Adapter is a Caterpillar diagnostic communication adapter listed with a 2025 manufacturing date. It is used to connect c...
View full detailsCAT 266-1478: 190MM LEADWIRE LENGTH ROTARY POSITION SENSOR
HRS SuppliesThe CAT 266-1478 is a Caterpillar rotary position sensor for compatible Cat equipment. Cat identifies it as a 190mm leadwire length medium-duty rot...
View full detailsCAT 30R-0004 DIESEL INJECTOR
HRS SuppliesThe CAT 30R-0004 is a Cat Reman fuel injector. Cat identifies this injector as a remanufactured fuel injector for C27/E1550 EUI ACERT applications,...
View full detailsCAT 271-4669 SOCKET SET
HRS SuppliesThe CAT 271-4669 SOCKET SET is a socket set for professional industrial, electrical, network, calibration, or equipment-service applications. It is...
View full detailsCAT 424-1998 OIL GEAR PUMP GP
HRS SuppliesThe Caterpillar 424-1998 Oil Gear Pump Group is a genuine CAT lubrication system component engineered to provide reliable oil circulation and maint...
View full detailsCAT 316-7251 ALTERNATOR G
HRS SuppliesThe CAT 316-7251 is a Caterpillar 24V heavy-duty alternator. Cat lists this part as a 24 volt, 105 amp alternator with a brushless design and SAE J...
View full detailsCAT 256-6454 2 PIN PASSIVE STAINLESS STEEL TEMPERATURE SENSOR
HRS SuppliesThe Caterpillar 256-6454 Temperature Sensor is a genuine CAT stainless steel sensing device designed to provide accurate temperature monitoring for...
View full detailsCAT 214-6643 SOCKET SET
HRS SuppliesThe Caterpillar 214-6643 Socket Set is a professional-grade service tool kit designed for maintenance, repair, and assembly operations on heavy equ...
View full detailsCAT 266-1481 POSITION SENSOR
HRS SuppliesThe Caterpillar 266-1481 Position Sensor is a genuine CAT electronic component designed to provide accurate position feedback for machine control a...
View full detailsCAT 256-5000 HEAD PUMP GP
HRS SuppliesThe CAT 256-5000 Head Pump GP is a genuine Caterpillar steel hydraulic piston pump head designed for compatible Cat pump group assemblies. Cat iden...
View full detailsCAT 2146620 SOCKET SET
HRS SuppliesThe Caterpillar 2146620 Socket Set is a professional-grade service tool kit designed for maintenance, repair, and assembly operations on Caterpilla...
View full detailsCAT 285-0273 PULLEY ASSEMBLY
HRS SuppliesThe CAT 285-0273 Pulley Assembly is a genuine Caterpillar idler pulley used in belt-drive mounting assemblies for the refrigerant compressor and be...
View full detailsCAT 316-2629 10.32MM INNER DIAMETER AIR CONDITIONER LINE HOSE
HRS SuppliesThe CAT 316-2629 Air Conditioner Line Hose is a genuine Caterpillar HVAC hose used to transport refrigerant and support the cooling cycle inside co...
View full detailsCAT 4F-3653 LONG PLOW BOLT 10PC
HRS SuppliesThe CAT 4F-3653 Long Plow Bolt is a genuine Caterpillar 5/8-11 thread bolt used in ground engaging tool and cutting edge fastening applications. Ca...
View full detailsCAT 258-5646 GASKET
HRS SuppliesThe CAT 258-5646 Gasket is a genuine Caterpillar 0.8 mm thick rubber gasket designed to seal the joint between two mating surfaces and help prevent...
View full detailsCAT 363-1923 UNIVERSAL JOINT ASSEMBLY
HRS SuppliesThe CAT 363-1923 UNIVERSAL JOINT ASSEMBLY is a industrial equipment / test instrument for professional industrial, electrical, network, calibration...
View full detailsCAT 330-6719 SENSOR GP
HRS SuppliesThe CAT 330-6719 SENSOR GP is a sensor component for professional industrial, electrical, network, calibration, or equipment-service applications. ...
View full detailsCAT 295-6405 LATCH
HRS SuppliesThe CAT 295-6405 is a Caterpillar cab door right-hand latch. Cat identifies this part as a right-hand cabin door rotary latch for compatible cab as...
View full detailsCAT 331-9208 12 VOLT FUEL CONTROL SOLENOID VALVE
HRS SuppliesThe CAT 331-9208 is a Caterpillar 12V fuel control solenoid valve used in compatible engine fuel systems. Cat identifies this part as a 12 volt fue...
View full detailsCAT 249-0712 DIESEL INJECTOR CAT
HRS SuppliesThe CAT 249-0712 is a Caterpillar fuel injector group for compatible heavy-duty engine applications. Cat identifies this part as a fuel injector de...
View full detailsCAT 470-0213 AIR DRYER PURGER VALVE
HRS SuppliesCAT 470-0213 Air Dryer Purger Valve is a Caterpillar replacement valve used in compatible air dryer or air-system applications. It is intended for ...
View full detailsCAT 422-3182 LINK ASSEMBLY SENSOR
HRS SuppliesCAT 422-3182 Link Assembly Sensor is a Caterpillar sensor-related link assembly used where part number 422-3182 is specified. It is intended for co...
View full detailsCAT 258-4521 14V SPEED SENSOR
HRS SuppliesThe CAT 258-4521 is a Caterpillar 14V speed sensor for compatible Cat equipment. Cat lists this part as a speed sensor with a 3-pin DT06 connector ...
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