CAT Part-Number Catalog
593 part references with dedicated pages, searchable by part number, English or Persian name, engine series and technical group.
Choose a Caterpillar engine series
Each series has its own searchable directory. Individual part pages remain available through the complete catalog below.
Small generator sets, power modules and compact industrial engines
Small and medium generator sets, industrial and equipment applications
Construction equipment, generator sets and industrial engines
Power generation, construction, mining and industrial
Generator sets, heavy equipment and industrial applications
Generator sets, construction, mining and industrial engines
Power generation, marine, mining and heavy equipment
High-output generator sets, marine, oil and gas and mining
Common legacy generator sets, industrial engines and construction equipment
Generator sets, industrial, marine and heavy equipment applications
High-output generation including the 1,600 kVA class, marine and oil and gas
Enter a part number or part name
This directory supports fast reference searches. A catalog listing does not indicate stock or universal compatibility across every engine build in each series.
9M-2342Filters & ServiceFuel Filter Screen
CAT 3406 / 3408 / 3412
2W-4108Fuel SystemFuel Injector Governor
CAT 3304 / 3306
123-8206Cylinder & Power Pack207mm Outer Diameter Cylinder Liner
CAT 3508 / 3512 / 3516
463-3952Bearings & Rotating PartsCrankshaft Main Bearing
CAT 3508 / 3512 / 3516
225-7738Gaskets & SealsWater Pump O-Ring Seal
CAT C4.4 / C6.6
480-5751Cooling & PumpsWater Pump Install Kit
CAT C9 / C9.3
323-9140Electrical & SensorsC9 Tier 111 Machine Wiring Harness
CAT C9 / C9.3
358-4923Turbo & ExhaustVariable Twin Scroll Turbocharger
CAT C9 / C9.3
232-7823Repair Kits & General PartsEngine Oil Pan
CAT C1.1 / C1.5 / C2.2
1R-0726Filters & ServiceStandard Efficiency Engine Oil Filter
CAT 3508 / 3512 / 3516
4W-5718Fuel SystemFuel Injection Line Sleeve
CAT 3406 / 3408 / 3412
478-2321Cylinder & Power PackEngine Short Cylinder Block
CAT C4.4 / C6.6
390-3066Bearings & Rotating PartsMain Bearing Set
CAT C4.4 / C6.6
246-3279Gaskets & SealsGear Case Mounting Gasket
CAT C7 / C7.1 · CAT C9 / C9.3 · CAT C13 · CAT C15 · CAT C18
246-2105Cooling & PumpsWatercooled Turbocharger Turbine Housing
CAT C18
249-0093Electrical & Sensors16AWG Forward Unit Injector Wiring Harness
CAT C13
126-3884Turbo & ExhaustExhaust Rain Cap
CAT C13 · CAT C15 · CAT C18 · CAT 3508 / 3512 / 3516
20R-0371Repair Kits & General PartsC6.6 Reman Engine
CAT C4.4 / C6.6
609-0041Filters & ServiceC1 C2 PM Kit Filter
CAT C1.1 / C1.5 / C2.2
7E-6408Fuel SystemInjector Gp-Fuel
CAT 3508 / 3512 / 3516
465-9256Cylinder & Power PackSingle Cylinder Head Install Kit
CAT C7 / C7.1
107-7708Bearings & Rotating Parts96mm Outside Diameter Bearing
CAT C7 / C7.1
459-9968Gaskets & SealsEngine Water Lines Gasket Kit
CAT C9 / C9.3
6N-6653Cooling & PumpsFan Drive V-Belt Set
CAT C27 / C32 · CAT 3406 / 3408 / 3412