Caterpillar Marine Engine Spare Parts Supplier
Genuine and OEM-quality Caterpillar marine engine spare parts — C32, C18, 3500 and 3400 series propulsion and gensets — sourced from verified channels in Turkey. We help ship operators and procurement teams check availability by part number and deliver with full export documentation to CIS ports and worldwide. Send your part number, engine model and destination port — availability check within 2–4 business hours.
Caterpillar marine parts at IWH
Caterpillar marine engines run propulsion and onboard power across commercial fleets — the high-speed C32 and C18 on workboats and yachts, the 3500 series (3508/3512/3516) on larger vessels and gensets. Downtime in port is costly, and an exact CAT part number is the fastest route to the right component.
IWH sources Caterpillar marine parts by part number — engine core, fuel, turbochargers, cooling and overhaul kits — consolidates them in Istanbul and ships with clean export documents. Genuine, OEM-equivalent and verified aftermarket, confirmed before you commit.
Caterpillar marine engine series we cover
Send your exact model and engine / serial number for accurate matching — Caterpillar marine variants differ by rating and build.
| Engine family | Typical use |
|---|---|
| C32 / C18 / C12 / C9 / C7 | High-speed propulsion & gensets |
| 3500 series (3508 / 3512 / 3516) | Medium-speed propulsion & large gensets |
| 3400 series (3406 / 3408 / 3412) | Propulsion & auxiliary |
| 3600 series | Medium-speed propulsion |
| C280 / marine gensets | Onboard power |
Most-requested Caterpillar parts
Open what you need or send a part number for the fastest availability check.
Product scope
| Category | Typical Caterpillar parts |
|---|---|
| Engine core | Cylinder liners, pistons, rings, connecting rods, main & rod bearings |
| Fuel system | Injectors, fuel pumps, fuel lines, governors / common-rail components |
| Air & boost | Turbochargers, aftercoolers, air filters |
| Cooling | Water pumps, raw-water pumps, heat exchangers, thermostats, hoses |
| Sealing & overhaul | Gasket sets, seals, full overhaul / rebuild kits |
| Filtration | Oil, fuel, coolant & air filters |
| Electrical | Sensors, ECU components, starters, alternators, wiring |
Where these engines run
Caterpillar marine engines for commercial vessels, ferries, workboats, yachts and gensets.
What we need to quote accurately
A part number gets you the fastest answer. No part number? The engine model, serial number and a nameplate photo let us identify it for you.
Three sourcing options
We do not supply counterfeit parts. Where exact matches are scarce, we propose verified equivalents and confirm specifications before you commit.
OEM original
Caterpillar parts sourced through verified distributor channels where available.
Balanced choice
Original-equipment quality at a lower cost, matched to your engine specification.
Verified equivalent
Quality aftermarket or verified equivalents, confirmed with you before ordering.
Istanbul hub to CIS and global ports
Multiple items grouped into one shipment from our Istanbul base.
Commercial invoice, packing list and available origin / manufacturer documents.
Delivery to CIS, Middle East and worldwide ports — fastest route prioritised for vessels in port.
Explore related parts
Browse the marine hub, the models we quote most and other brands we source.
Caterpillar marine parts FAQ
Do you supply Caterpillar 3516 and 3512 parts?
Yes — 3500-series engine core, fuel, cooling and overhaul parts are core ranges. Send a part number, or the engine model and serial.
Do you supply C32 and C18 marine parts?
Yes — high-speed C32, C18, C12 and C9 propulsion and genset parts.
Can you match parts by Caterpillar part number?
Yes — send the part number, or the engine model and serial number and we identify the correct components.
How fast do you quote?
For part-number requests we reply with an availability check within 2–4 business hours.
Do you deliver to ports outside Turkey?
Yes — CIS, Middle East and worldwide ports, with export documentation from Istanbul.
Can you handle urgent, vessel-in-port requests?
Yes — message us on WhatsApp with the engine model and part number for the fastest response.
Send your Caterpillar part number
Engine model, serial number, quantity and destination port — we check distributor availability and prepare an export-ready quote.
Request a quote