Spare Parts Suppliers in Japan

We have listed our Key Strength Equipments as below for easy reference. We are strong in Main engines Aux Engines /Generators Compressors Main Air , Breathing , Refrigeration, Marine Pumps Purifiers /Separator Hatch Cover Spares / Hydraulic spares Electrical Hydraulic Motors Air horns Toilet Vacuum Systems Electrical spares and small components A/C Compressors HVAC system spares Boiler and Incinerators https://jmsgroup.jp/products/

We specialize in providing original equipment supplies, primarily for main and auxiliary engine spares. As a factory-based company, we ensure the best pricing without compromising on quality. Our dedicated logistics team handles all deliveries efficiently, offering competitive rates for air, sea, and courier services.

We supply marine spare parts as our core business from our reliable partners/makers all over the World. Our parts are equivalent products NON-GENUINE unless otherwise stated. A part of scope of supply mentioned below as per engine types. 5L16/24, 5L21/31, 6L23/30H, 8L23/30, 5L28/32H, 7L32/40, 16V32/40-Non CD 16V32/40-CD, 6S60 MC-C, 7S60MC-C Mk7 6N18AL-V, 6N21AL-SV, 6DK20 TC : TCA66, TCA44, NR34/S148, NR20/R, RH183, TPL67-C33 SPARE PARTS : 2/4 STROKE ENGINE SPARE PARTS - MAN BW MAN SULZER WARTSILA KOBE AKASAKA DAIHATSU YANMAR HANSHIN HIMSEN - CUMMINS TURBOCHARGERS - IHI, MITSUBISHI, MAN, NAPIER, ABB, KBB AIR COMPRESSORS - TANABE, YANMAR, SPERRE, SAUER, TEIKOKU, TAMROTOR SEPARATOR - ALFA LAVAL, WESTFALIA, MITSUBISHI PUMPS - ALLWEILER, NANIWA, DESMI, SHINKO, TEIKOKU, ISHII, SHIN SHIN PHE SPARE PARTS - SWEP, TRANTER, SONDEX, ALFA LAVAL, GEA, APV, HISAKA FILTERS - BOLL KIRCH, MOATTI

OPNCO is a global marine supplier specializing in spare parts for engines, turbochargers, purifiers, pumps, compressors, hydraulics, electrical, automation, and bridge systems. Large stock in China with fast worldwide delivery. We supply genuine, OEM, and reconditioned parts for the worlds top marine brands: MAN, Wartsila, Daihatsu, Yanmar, Mitsubishi, Hyundai, MAK, Niigata, Hanshin, Deutz, Scania, Cummins, Volvo Penta, Caterpillar CAT, MTU, ABC, Detroit Diesel, SKL, ABB, Napier, KBB, MAN TCR, MET. Alfa Laval, Mitsubishi, Westfalia. Sperre, Hamworthy, Taiko Kikai, Shinko, IMO, Allweiler, Desmi, Iron, Naniwa, RWO, Heishin, Azcue, Tanabe. Bosch Rexroth, Kawasaki, Hatlapa, MacGregor, Hydrokor, Liebherr. Woodward, Siemens, Schneider Electric, Danfoss, Autronica,Fuji Electric, Mitsubishi Electric. Furuno, JRC, Kongsberg, Consilium, Tokyo Keiki, SAM Electronics, Raytheon, Navico.

With over 35 years of experience, Unique Radio Corporation supplies marine electronics and auxiliary equipment spares from Japan, Korea, and Europe. Led by President Sachiyo Shirai, the company supports bridge, deck, and machinery systems with parts from trusted makers like Fuji Electric, Terasaki, and NTN.

With over 100 years in the industry, JRC supports its systems with a dependable flow of genuine spare parts, shipped from their global hubs across Asia, Europe, North and South America. Their network helps shipowners keep key equipment running - even for older models still in active service.

With a strong supply chain built over decades, Nagasaki Marine Service Co., Ltd. provides OEM and compatible spare parts for propulsion and auxiliary engines. Their inventory supports vessels operating across Asia and beyond, with logistics managed through agents in Korea, Egypt, and China.

The company offers a wide selection of spare parts for main and auxiliary engines, sourced directly from Japanese and global manufacturers. Sanwa provides dependable solutions for keeping essential vessel systems in working order.

Sumiyoshi Trading supplies reliable marine spare parts sourced directly from trusted Japanese manufacturers. Their strong supply chain ensures shipowners receive consistent quality and fast service, keeping vessels fully operational worldwide.

Kyoei Engineering Service Co., Ltd. supplies marine spare parts that match the specs without cutting corners. Their sourcing is grounded in Japan’s industrial network, and everything is delivered with proper documentation - no guesswork, no mismatches. Clients know them for reliable replacements that fit the first time.