Napier NA357 Turbocharger Spare Parts Supplier India
Marinexa supplies a comprehensive range of Napier NA357 turbocharger spare parts from Bhavnagar, Gujarat, India — adjacent to Alang ship recycling yard. The Napier NA357 is a radial-flow turbocharger widely fitted to Wartsila, MAN, Daihatsu, and other medium-speed four-stroke marine engines. Napier turbochargers are now supported by Siemens Energy following the brand acquisition, but quality reconditioned and OEM-equivalent parts remain available through specialist suppliers like Marinexa.
Napier NA357 Spare Parts We Supply
- Turbine wheel — Radial inflow turbine rotor for NA357.
- Nozzle ring — Turbine nozzle ring assembly with guide vanes.
- Compressor wheel — Aluminium alloy compressor impeller for NA357.
- Compressor casing — Compressor scroll housing and cover.
- Journal bearings — Plain bearing bushes (DE and NDE) for NA357 shaft.
- Thrust bearing — Thrust collar and bearing assembly.
- Bearing housing — Centre housing with oil passages.
- Rotor shaft — Dynamically balanced rotor shaft for NA357.
- Oil seal rings — Labyrinth seal rings (turbine and compressor side).
- Complete overhaul kit — All O-rings, seals, and gaskets for full NA357 overhaul.
- Turbine casing — Gas inlet and outlet casings.
Napier NA-series turbocharger parts sourced from Alang decommissioned vessels provide cost-effective alternatives to new OEM parts, which can be expensive and on long lead times. Marinexa’s Alang network gives us access to complete Napier turbocharger assemblies as well as individual components.
Contact Marinexa for Napier NA357 Parts
- Phone / WhatsApp: +91 7096007999
- Email: info@marinexa.com
- Location: Bhavnagar, Gujarat, India — adjacent to Alang ship recycling yard
- Emergency Delivery: 24–48 hours worldwide
Frequently Asked Questions
What Napier NA357 turbocharger spare parts do you supply?
We supply Napier NA357 turbocharger spare parts including rotor assembly, nozzle ring, bearing housing, journal and thrust bearings, turbine casing, compressor casing, inlet and outlet casings, and all sealing components.
How quickly can Napier NA357 parts be sourced and delivered?
Marinexa offers emergency delivery within 24-48 hours. Napier parts can be scarce from standard OEM channels, but our Alang ship recycling yard access and global trader network means we source most NA357 components rapidly.
Are original Napier NA357 parts still available?
Yes. We supply both new OEM Napier NA357 parts (where available) and quality reconditioned parts from Alang. For older or discontinued models, reconditioned parts are often the most practical and cost-effective solution.