Main engine spare parts suppliers source the OEM and equivalent components a vessel's propulsion machinery needs to stay running — pistons, cylinder liners, piston rings, main and crankshaft bearings, fuel injection pumps, injectors and valves, cylinder heads, and turbocharger components for two-stroke and four-stroke marine diesel main engines.
This covers the propulsion engine specifically, distinct from the auxiliary engines and generator sets covered separately, even where both share a common maker's design lineage. Parts are ordered against the engine's maker, model, and cylinder configuration, and suppliers source genuine OEM parts or engineer-approved equivalents built to matching tolerances and material specification. Because a main engine failure can leave a vessel dead in the water, owners keep critical spares on board or on a fast-track supply arrangement, and buyers compare suppliers on parts authenticity, technical fit, and delivery speed to the next port. It sits within the Machinery, Spare Parts & Components category group on PortProcure.
PortProcure lists 59 verified Main Engine Spare Parts suppliers across 24 ports, including Abidjan, Alexandria, and Balboa. Send an RFQ to compare quotes from listed suppliers.
Suppliers
59
Ports served
24
Group
Machinery, Spare Parts & Components
Type
Supplies
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59 suppliers
NM
Neelkanth Marine Engineering Services
KandlaIndia
Neelkanth Marine Engineering Services are a premier maritime service provider dedicated to
keeping the global fleet moving. By combining expert ship repair engineering with comprehensive
chandlery services and workshop assistance, we provide a seamless, single-point solution for ship
owners and managers. Our mission is to minimize vessel downtime and maximize operational
efficiency through reliability, speed, and precision.
General Ship ChandlersDeck Stores & EquipmentEngine Stores & Consumables
Kaustubh Ship Suppliers is a reliable ship supply and marine support company serving vessels calling at major and minor ports across India. We provide comprehensive ship stores, provisions, bonded stores, engine and deck stores, electrical and marine equipment, spares, paints, chemicals, safety equipment and technical services.
Our team focuses on prompt response, competitive quotations, reliable sourcing and efficient coordination to support vessel operations and minimize delays. We welcome RFQs from shipowners, ship managers, operators, fleet procurement teams and ship agencies for upcoming vessel calls at Indian ports.
General Ship ChandlersDeck Stores & EquipmentEngine Stores & Consumables
LEINCOS SARL – Shipping Agency & Marine Services is a Guinea-based maritime services company providing reliable ship agency, vessel support and marine supply services in Guinean ports and offshore areas.
We assist vessels, ship owners, operators, charterers and ship managers with ship agency services, crew assistance, vessel husbandry, provisions, fresh water, marine consumables, technical supplies, logistics and port coordination.
Our services also include marine fuel (MGO) supply and bunkering coordination, transportation, delivery of spare parts and equipment, waste-related coordination, crew change assistance and general vessel support.
With local knowledge and a responsive 24/7 service approach, LEINCOS SARL coordinates with ports, suppliers, authorities and service providers to ensure efficient and transparent vessel operations in Guinea.
Ports/Areas: Conakry, Kamsar, Boffa and other Guinean ports and offshore locations.
General Ship ChandlersDeck Stores & EquipmentProvisions & Fresh Food Supply
CHOWDHURY ENTERPRISE is a professionally established marine service and ship supply company based in Chattogram, Bangladesh, providing reliable and comprehensive support to shipowners, ship managers, operators, and vessels calling at Bangladesh ports. We specialize in ship chandling, provisions, deck & engine stores, marine spare parts supply and export, safety & navigation equipment, ship repair and maintenance, LSA & FFA services, chipping & painting, waste management, sludge & bilge water disposal, crew change assistance, watchmen & labour supply, and complete vessel husbandry services. With a strong focus on quality, competitive pricing, prompt response and timely delivery, we are committed to providing efficient, cost-effective and dependable solutions as a trusted marine supply and service partner.
General Ship ChandlersDeck Stores & EquipmentEngine Stores & Consumables
Dubai-registered ship supply company serving the UAE marine and shipping industry, from specialised engine spares to safety materials delivered on board.
General Ship ChandlersEngine Stores & ConsumablesSafety Equipment & PPE
Founded in 2013 as a subsidiary of the PIMEX Group, MNG Universal supplies marine stores, spare parts and provisions to ships and the maritime and offshore sectors across the Mano River Union (Cote d'Ivoire, Liberia and Sierra Leone).
General Ship ChandlersEngine Stores & ConsumablesProvisions & Fresh Food Supply
Ship repairer and ship store supplier providing fresh and dry provisions, bonded, deck, engine, cabin, galley, electrical and medicine stores, fresh water and bunkering of MGO and FO. Supplies spare parts for main and auxiliary engines, turbochargers, motors, hydraulic items, gyro compasses and radar. Operates a complete workshop for deck and engine side work and fabrication, carries out cargo hatch and tank cleaning at anchorage with the appropriate chemicals, refills oxygen, acetylene, Freon, CO2, fire extinguishers and breathing apparatus, and provides annual servicing of liferafts, EEBD, CO2, fire extinguishers and breathing apparatus.
General Ship ChandlersFire & Safety ServicingLiferaft & Lifeboat Servicing
Ship chandler serving Chittagong and Mongla ports with round-the-clock vessel support. Supplies provisions, fresh water, bonded stores, safety equipment, marine spare parts, navigation equipment, deck, engine and cabin stores, crew welfare items, and electrical and mechanical support. Also handles refilling of oxygen, acetylene and Freon R22 cylinders, lube oil and technical consumables, marine fenders, logistics and port assistance, repair and maintenance work through an MMD and GL approved workshop, sludge and slops purchase, and garbage removal and waste management.
General Ship ChandlersDeck Stores & EquipmentEngine Stores & Consumables
North West Africa Suppliers (NWAS) is a professional ship chandling company providing comprehensive vessel supplies at Casablanca and Jorf Lasfar ports, Morocco.
We supply fresh, frozen and dry provisions, bonded stores, cabin, deck and engine stores, safety equipment, technical consumables and a wide range of general marine supplies.
NWAS supports shipowners, ship managers, purchasing departments and vessels with competitive quotations, reliable sourcing and efficient delivery alongside. We are also available for urgent and special supply requirements with short notice.
General Ship ChandlersDeck Stores & EquipmentEngine Stores & Consumables
What information does a supplier need to source the right main engine spare?+
Parts are ordered against the engine's maker, model, and cylinder configuration, so the supplier needs those details plus the part or drawing number where available. That identifies whether a genuine OEM part or an engineer-approved equivalent built to matching tolerances and material specification is required.
What's the difference between main engine and auxiliary engine spares?+
Main engine spares serve the propulsion machinery — pistons, liners, bearings, and fuel-injection components for the two- or four-stroke main engine. Auxiliary and generator spares serve the gensets that supply electrical power. Even where both share a maker's design lineage, parts are sourced against the specific engine and are listed as separate categories.
Why do owners keep critical main engine spares on board?+
A main engine failure can leave a vessel dead in the water, so critical spares are held aboard or on a fast-track supply arrangement. Buyers compare suppliers on parts authenticity, technical fit to the engine model, and delivery speed to the next port rather than on price alone.
