Auxiliary Engines and Gensets Marine Spare Parts

Auxiliary engines and marine generator sets (gensets) are the lifelines of vessel operations, providing critical electrical power for propulsion systems, hotel loads, and onboard equipment. OPNCO supplies a comprehensive range of genuine and OEM spare parts for auxiliary engines from top Japanese, Korean, Chinese, and European marine equipment manufacturers, ensuring minimal downtime and optimal performance for your vessels.

Japanese Auxiliary Engines

We deliver spare parts for auxiliary engines manufactured by trusted Japanese brands such as YanmarDaihatsu DieselNiigata Power Systems, and Mitsubishi Heavy Industries. Supported models include:

  • Yanmar 6N21AL, 6EY18ALW, 6LAAL
  • Daihatsu DK-20E, DS32, DE18
  • Niigata 6L28HX, 8L28HX, 6MG31HX
  • Mitsubishi S6R2-T2MPTK, S12R-PTA

Korean Auxiliary Engines

We provide parts for Korean auxiliary engines, particularly those built under MAN B&W license, from manufacturers such as Hyundai HimsenSTX Engine, and Doosan Engine. Popular models include:

  • Hyundai Himsen H17/28, H21/32
  • STX MAN L23/30H, L21/31
  • B&W Doosan MAN  6S50MC Auxiliary Engines

Chinese Auxiliary Engines

OPNCO sources spare parts for Chinese auxiliary engines widely deployed across commercial and offshore fleets. Supported brands include Shanghai Diesel Engine Co. (SDEC)Weichai Heavy Machinery, and Guangzhou Diesel Engine Factory. Models we cover include:

  • SDEC 8NVD48A-2U, 16PC2-6V
  • Weichai 8170ZC, WHM6160
  • Guangzhou Diesel 6320ZCd

European Auxiliary Engines

We supply parts for European-built auxiliary engines known for high performance and durability. Supported brands include MAN Energy SolutionsWärtsiläMTU Friedrichshafen, and Deutz AG. Popular supported models include:

  • MAN B&W 7L27/38, 5G50ME Auxiliary Engines
  • Wärtsilä 20, 26, 32 Auxiliaries
  • MTU 4000 Series Gensets
  • Deutz TBD620V16 Auxiliary Engines

Scope of Spare Parts Supply for Auxiliary Engines

  • Overhaul Kits: Pistons, Liners, Rings, Cylinder Heads
  • Fuel Injection Systems and Pumps
  • Cooling Water Pumps and Heat Exchangers
  • Turbochargers and Exhaust Components
  • Camshafts, Bearings, Seals, and Gaskets
  • Electrical Parts: Starters, Alternators, Controllers

Why Choose OPNCO for Auxiliary Engine Spare Parts?

  • Wide coverage of Japanese, Korean, Chinese, and European auxiliary engines
  • Fast response time and global delivery services
  • Support for both modern and older auxiliary engine models
  • Genuine quality with competitive pricing