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.
126-2702Gaskets & SealsEdge Bonded Seal Gasket
CAT C13
227-3812Electrical & SensorsHarness Assembly
CAT C9 / C9.3 · CAT C15
292-1961Turbo & ExhaustTurbocharger Exhaust Duct
CAT C13
455-1191Repair Kits & General PartsKIT-ENGINE OVERHAUL (TOP END)
CAT C18
7C-8390Filters & Service120mm Wide Centrifugal Oil Filter Rotor Liner
CAT 3508 / 3512 / 3516
1W-9509Fuel SystemFuel Shutoff Plunger Spring
CAT 3406 / 3408 / 3412
325-1113Cylinder & Power Pack18 Lobes Engine Camshaft
CAT C9 / C9.3 · CAT C15 · CAT C18
212-7002Bearings & Rotating PartsCrankshaft Bearing Cap
CAT C9 / C9.3
473-3263Gaskets & SealsOil Cooler and Lines Gasket Kit
CAT C15
388-0352Electrical & SensorsSensor Wiring Harness
CAT C13 · CAT C15 · CAT C18
371-8011Turbo & Exhaust123.7mm Inner Diameter Turbocharger Exhaust Tube
CAT C15
238-8247Repair Kits & General Parts2-Pin Connector Plug
CAT C7 / C7.1 · CAT C9 / C9.3
551-6182Filters & ServiceStandard Efficiency Primary Engine Air Filter
CAT C1.1 / C1.5 / C2.2
392-0222Fuel SystemInjector Group
CAT 3508 / 3512 / 3516
310-7612Cylinder & Power PackEngine Camshaft
CAT C15
128-0383Bearings & Rotating PartsMain Bearing
CAT C13 · CAT C15 · CAT C18 · CAT 3508 / 3512 / 3516
469-0822Gaskets & SealsTurbocharger INSTALL GASKET KIT
CAT C18
571-3086Electrical & SensorsHarness Assembly
CAT C15 · CAT C18
124-0211Turbo & ExhaustRight Hand Turbocharger Exhaust Manifold
CAT 3508 / 3512 / 3516
281-8811Repair Kits & General Parts6 Pin Connector Plug
CAT C13 · CAT C15 · CAT C18
392-5358Filters & ServiceBase-Oil Filter
CAT C7 / C7.1
252-1446Fuel SystemPump Fuel Injector
CAT C1.1 / C1.5 / C2.2
389-8927Cylinder & Power PackEngine Camshaft
CAT C18
125-9750Bearings & Rotating Parts81.12mm Outside Diameter Sleeve Bearing
CAT 3508 / 3512 / 3516