CAT & SEM Spare Parts — What We Supply

CAT & SEM Compatible

Spare Parts by Category

We supply seven major categories of CAT and SEM spare parts, covering routine maintenance to complete overhaul needs.

Engine Parts

Overhaul kits and individual components for CAT 320 / 3066 engine series and SEM loader engines.

Engine overhaul & gasket kits
Pistons, rings & cylinder liners
Cylinder heads & crankshafts
Water pumps & fuel pumps
Oil coolers & thermostats

View Engine Parts ›

Hydraulic Parts

Main pumps, motors, and sealing components for CAT excavators and SEM loader hydraulic systems.

Main hydraulic pumps
Travel & swing motors
Hydraulic cylinders (boom / arm / bucket)
Control valves
Seal kits & O-ring sets

View Hydraulic Parts ›

Maintenance Parts

Routine maintenance consumables available individually or bundled in service kits for CAT and SEM equipment.

Engine oil & fuel filters
Air filter elements
Hydraulic oil filters
1000h / 2000h service kits
Belts, hoses & clamps

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Electrical Parts

Electrical and electronic parts to restore machine performance and reliability for CAT and SEM equipment.

Alternators & starter motors
Monitor displays
Sensors & pressure switches
Solenoid valves
Wiring harnesses

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Cooling System Parts

Radiators, hoses, and cooling components to prevent overheating in CAT excavators and SEM loaders.

Radiators & radiator cores
Cooling fans & fan blades
Water hoses & coolant pipes
Thermostats & housing
Cooling system service kits

Inquire Cooling Parts ›

Seal Kits

Hydraulic seal kits and O-ring sets for CAT 320 series and SEM loader hydraulic cylinders and pumps.

Hydraulic cylinder seal kits
Pump seal kits
O-ring sets (assorted sizes)
Dust seals & wiper seals
High-pressure seal kits

View Seal Kits ›

Undercarriage Parts

Ground-engaging components for CAT excavators — track shoes, rollers, sprockets and complete kits.

Track shoes (500mm / 600mm)
Track chains & links
Bottom rollers & carrier rollers
Sprockets & front idlers
Complete undercarriage kits

View Undercarriage ›

CAT Parts — Sample Photos

CAT C6.6 engine assembly spare part photograph — **CAT C6.6 Engine Assembly** *Complete engine assembly for CAT equipment*

CAT 320GC excavator pilot control valve spare part photograph — **CAT 320GC Pilot Control Valve** *Hydraulic pilot control valve for CAT 320GC*

CAT C15 engine crankshaft spare part photograph — **CAT C15 Crankshaft** *Engine crankshaft for CAT C15 engines*

SEM Parts — Sample Photos

SEM 655D wheel loader transmission assembly spare part photograph — **SEM 655D Transmission Assembly** *Transmission assembly for SEM 655D loaders*

SEM 816 dozer travel pump assembly spare part photograph — **SEM 816 Travel Pump Assembly** *Travel pump assembly for SEM 816 dozers*

SEM 822D dozer final drive assembly spare part photograph — **SEM 822D Final Drive** *Final drive assembly for SEM 822D dozers*

Photos show representative CAT and SEM parts from stock. Availability and pricing are confirmed per inquiry — send us your part number or a photo and we will match it.

What We Supply