Turbocharger Nozzle Rings & Cover Rings

Maximize turbocharger efficiency and engine performance with our precision-engineered nozzle and cover rings. Utilizing an extensive global network, Sourcing Marine provides rapid delivery of high-durability components compatible with all major marine turbocharger brands. Whether for routine maintenance or urgent repairs, our parts meet the strictest OEM standards for thermal resistance and aerodynamic precision.

  • Universal Brand Support: Comprehensive stock for ABB/BBC, MAN B&W, Mitsubishi MET, IHI, and Napier series.
  • Certified Reliability: Major components available with Class Society certificates (ABS, DNV, LR, etc.) upon request.

Product Description

At Sourcing Marine, we understand that nozzle rings and cover rings are critical to the exhaust gas flow and overall boost pressure of your engine. Our parts are sourced and manufactured to withstand the extreme temperatures and centrifugal forces found in modern marine turbochargers.

Comprehensive Compatibility List

We supply a full range of series and variants for the following leading manufacturers:

  • ABB / BBC: VTR and RR series (Full range support).
  • MAN Energy Solutions: NA and NR models (All series).
  • Mitsubishi: MET series (Full range availability).
  • IHI: All types and series.
  • Napier: All base models.
  • KBB: H, R, and K series.
  • PBS Turbo: PDH series (All modifications).
  • HOLSET: HH and N series.
  • KKK: Full range support.

Quality Assurance & Documentation

We go beyond just supplying parts. To ensure seamless installation and long-term operational safety, we provide:

  1. Measurement Charts: Precise dimensional verification for all critical tolerances.
  2. Balance Reports: Test reports for all rotating assemblies to ensure vibration-free performance.
  3. Marine Class Certification: Upon customer request, we can provide certifications from major maritime classification societies for both individual components and complete assemblies.

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