Caterpillar marine engines power fishing vessels, tugs, workboats, ferries and auxiliary generator sets worldwide. We supply the wear and rebuild parts for the most common CAT marine families, with part numbers confirmed against the engine serial number.
CAT marine engine families we cover
- 3304 / 3306 - mechanical workboat engines, liners, pistons and heads
- 3406 / 3412 - main propulsion engines, crankshafts, cylinder heads and turbochargers
- C7 / C9 / C12 / C15 / C18 - electronic marine engines, injectors, liners and overhaul kits
- C32 - high-power marine and genset engines, heads, pistons and bearings
What we supply for CAT marine engines
Cylinder liners and liner kits, pistons and piston rings, cylinder heads and valve train, crankshafts and bearings, camshafts, water and oil pumps, fuel injectors, turbochargers, gasket kits and complete overhaul kits - in OEM and high-quality aftermarket grades.
How to order a CAT marine part
- Send the engine serial number from the engine plate, or the part number stamped on the old component.
- We cross-reference it against the CAT parts system and confirm the current number and any supersessions.
- You receive a quotation with photos, lead time and shipping options (air 5-9 days, sea 18-30 days).
Related pages
Frequently asked questions
We supply OEM-equivalent and high-quality aftermarket CAT parts, and can quote genuine parts on request. Every quotation states exactly which grade you are buying.
Use the engine serial number on the engine plate or the part number on the old component. We cross-reference both and confirm before you pay.
Yes - for 3304, 3306, 3406, 3412, C7, C9, C12, C15 and C18 we build overhaul kits containing liners, pistons, rings, bearings, gaskets and seals.