Caterpillar Engine Parts from Neptunus are trusted by vessel owners, fleet operators, and industrial customers worldwide to keep Caterpillar engines operating at peak performance. As a leading independent supplier of CAT engine spare parts, we provide high-quality components that help maximise engine reliability, efficiency, and service life.
Our experienced team helps you identify and source the right spare parts for your specific engine model and application, offering personalised solutions tailored to your operational requirements. Backed by a robust global supply chain, Neptunus delivers Caterpillar engine spare parts worldwide with short lead times, helping you minimise downtime and keep your operations running smoothly.
We supply Caterpillar engine spare parts for marine, offshore, power generation, mining, and industrial applications, supporting a wide range of engine series including CAT 3400, CAT 3500, and CAT C-Series engines. Whether you require routine maintenance components, emergency replacement parts, or complete overhaul kits, our extensive sourcing capabilities and global logistics network ensure fast, reliable delivery to customers anywhere in the world.| CAT 3116 Engine | CAT 3126 Engine | CAT 3176 Engine | CAT 3204 Engine |
| CAT 3208 Engine | CAT 3304 Engine | CAT 3306 Engine | CAT 3406 Engine |
| CAT 3406B Engine | CAT 3406C Engine | CAT 3406E Engine | CAT 3408 Engine |
| CAT 3412 Engine | CAT 3412E Engine | CAT 3506 Engine | CAT 3508 Engine |
| CAT 3512 Engine | CAT 3516 Engine | CAT C7 Engine | CAT C7.1 Engine |
| CAT C9 Engine | CAT C10 Engine | CAT C11 Engine | CAT C12 Engine |
| CAT C13 Engine | CAT C15 Engine | CAT C16 Engine | CAT C18 Engine |
| CAT C27 Engine | CAT C32 Engine | CAT C175 Engine | CAT D379 Engine |
| CAT D399 Engine | CAT 3500A Engine | CAT 3500B Engine | CAT 3500C Engine |
| CAT 3606 Engine | CAT 3608 Engine |
| CAT Engine Components | CAT Engine Air & Hydraulic Starting Systems | CAT Engine Cooling System |
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| CAT Engine Fuel System | CAT Engine Lubrication System | CAT Engine Turbo System |
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| CAT Engine Exhaust System | CAT Engine Ignition & Electrical System | CAT Engine Valve Train |
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| CAT Engine FEAD & Housing Systems | CAT Engines & Blocks | |
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At Neptunus, our Asset Reliability Management Solutions approach to asset reliability goes beyond short-term projects; we aim for enduring long-term partnerships with our clients. Our CAT spare parts services are tailored to each client’s specific needs, ensuring the most cost-effective and sustainable parts are provided using the most advanced technology.
Through the implementation of our proprietary dual-class ABS and IRS certified Engine Condition Monitoring System, along with our comprehensive in-house Oil Quality Management Systems, including real-time Oil Equipment Monitoring System and a continuous Kidney Loop Filtration System, we are delivering the following benefits to our valued clients: