Neptunus Power Plant Services is an independent service provider supporting ship owners and operators of Yanmar generators with high-quality spare parts and customized maintenance solutions. Please note, Neptunus is not affiliated with Yanmar Group, Japan.
Yanmar generators are renowned for their exceptional quality, durability, and reliable performance, whether used for backup power systems or ensuring continuous power in remote locations. Like all machinery, however, maintaining their optimal performance requires access to genuine spare parts. Using low-quality replacements can result in inefficiencies, breakdowns, and safety risks.
At Neptunus, we offer a comprehensive selection of authentic Yanmar generator spare parts, backed by over three decades of industry experience. Our strategic presence in key Indian dry-docking zones—including Mumbai, Cochin, Goa, Kolkata, Chennai, Visakhapatnam, and Haldia—ensures rapid access to the parts you need. We serve customers across India, South Asia, the Middle East, Europe, and Africa, providing timely and reliable support wherever you operate.
Our experienced engineers provide expert guidance on selecting the right parts and offer on-site support for installation, commissioning, and preventive maintenance, ensuring your Yanmar generators operate at peak efficiency. At Neptunus, we are committed to building long-term partnerships with ship owners, operators, and industrial clients by delivering high-quality parts and services for yanmar generators that minimize downtime and maximize operational confidence.






At Neptunus, we prioritize building lasting partnerships with our clients through reliable asset solutions. Our focus is on long-term strategies rather than short-lived tasks. Our commitment goes beyond providing services, we carefully analyze genuine needs to deliver tailored spare parts services. By leveraging advanced technology, we ensure cost-effective and sustainable solutions.
Our proprietary engine condition monitoring system, approved by both ABS and IRS, along with our comprehensive in-house oil quality management systems, includes real-time oil equipment monitoring system and a continuous kidney loop filtration system that has brought significant benefits to our clients. Here’s how we assist our customers:
If you want to reach similar goals for your organization, schedule a “discovery call” with our specialists to see how we can assist you.
With over three decades of experience in providing top-notch spare parts for Yanmar generators, our expertise extends seamlessly into catering to spare parts for spare parts of Yanmar engines. Our commitment doesn’t stop there; we also supply spare parts for machines, including main engines, auxiliary engines, propulsion systems. Whether it’s Niigata, EMD, Wartsila, Yanmar, or other esteemed brands, we stand ready to deliver premium-quality DG set spare parts to keep your operations running smoothly and efficiently.