Yanmar engine models covered
Spare parts supply across the Yanmar commercial marine engine programme — from medium-speed auxiliary engines to high-output generator set configurations installed on cargo vessels, tankers, and offshore support craft.
6EY18
Medium-speed 6-cylinder auxiliary engine. Bore 180 mm. Cylinder liners, piston assemblies, injection nozzles, cylinder head gaskets, cooling system parts.
6EY22
Higher-output EY auxiliary. Bore 220 mm. Pistons, exhaust valves, fuel pumps, turbocharger components, governor and speed control parts.
6AYL-ET
High-output turbocharged auxiliary engine — electronically governed variant. Cylinder heads, valve assemblies, injection pumps, heat exchanger elements, mounting seals.
6AYL-HT
High-output AYL with hydraulic governor. Piston rings, liner O-rings, crankshaft bearings, connecting rod bolts, lube oil system components.
6N18
Medium-speed four-stroke auxiliary. Bore 180 mm. Cylinder liners, piston crowns, exhaust valve seats, fuel injectors, intercooler elements, overhaul kits.
6N21
Larger-bore N series auxiliary. Bore 210 mm. Cylinder heads, main bearings, camshaft drive parts, fuel injection pumps, turbocharger cartridges.
6HAL-DT
Direct turbocharged HAL auxiliary. Compact high-speed configuration. Piston ring sets, liner kits, injector nozzles, gasket sets, water pump assemblies.
6MAL-HT
MAL series high-output turbocharged engine. Cylinder head assemblies, valve seat inserts, injection equipment, turbocharger interface parts, full overhaul kits.
Yanmar marine spare parts supply scope
Planned overhaul components, running spares and time-critical spare parts structured by system and component group for common Yanmar commercial marine engine requests.
- Cylinder heads & head gaskets
- Cylinder liners & liner O-rings
- Piston assemblies & piston rings
- Exhaust valves & valve seat inserts
- Fuel injection pumps & plungers
- Fuel injector nozzles & holders
- Turbocharger cartridges & components
- Main bearings & crankpin shells
- Connecting rod bearings & bolts
- Camshaft bearings & drive components
- Water pump assemblies & impellers
- Heat exchanger elements & seals
- Governor & speed control parts
- Overhaul gasket kits & seal sets
Yanmar supply routes for engine-room spare parts.
Yanmar requests may need OEM-route review, verified alternative review or both depending on urgency, approval requirements, documentation and budget logic. Vessel Core structures the RFQ around the buyer's technical evidence and vessel timing.
OEM or Alternative — Your Choice
For class-surveyed overhauls or manufacturer-warranty situations, OEM-route review can be requested. For running maintenance and planned spares, verified alternative components can be reviewed when documentation and specification context permit.
Full Model Range Coverage
From the compact 6EY18 auxiliary to the high-output 6AYL and 6N21 engines, common Yanmar commercial marine requests can be reviewed when the buyer provides clear engine and part evidence. Generator set configurations and propulsion auxiliary variants are both in scope.
Lead Time Confirmed at RFQ Stage
Lead time, availability and freight options are confirmed at RFQ stage based on part specification, approval requirements, vessel ETA and destination port.
Technical Part Identification
Missing Yanmar part numbers? We can start the review from engine model, serial number, build year, component description or photographs, then clarify the missing details before supplier outreach.
Port-Call Route Review
Supply route, handover option and freight timing are reviewed against confirmed RFQ details, vessel ETA, port context, documentation needs and part availability before quotation. No fixed delivery commitment is made before availability and route are confirmed.
Time-Critical Priority Review
Generator set failures and auxiliary engine breakdowns receive priority RFQ review. Time-critical Yanmar RFQs are checked against supplier availability, route options, freight options and port timing.
Yanmar parts — common questions
Can Vessel Core review OEM-route and verified alternative routes for Yanmar marine engines?
Yes. We review OEM-route and verified alternative routes for Yanmar 6EY, 6AYL, 6N, 6HAL and 6MAL series marine engine requests. Alternative routes are selected case by case where documentation, quality and specification context permit.
What Yanmar engine models do you cover?
We cover the main Yanmar commercial marine engine series including the 6EY18, 6EY22, 6AYL-ET, 6AYL-HT, 6N18, 6N21, 6HAL-DT, and 6MAL-HT. If your engine model is not listed, provide the nameplate designation and we will confirm parts availability and supply options.
How quickly can Yanmar spare parts be delivered?
Lead time and freight options are confirmed at RFQ stage based on part availability, vessel ETA, destination port and urgency level.
Can you identify Yanmar parts if I only have the engine model and a description?
Yes. Our technical supply team can identify the correct Yanmar components from the engine model designation, serial number, build year, and part description. Photographs of the installed component or the engine nameplate are also accepted as reference material to confirm the correct specification before supply route review.
Submit your RFQ now.
Send your Yanmar spare parts request — vessel name, engine model (e.g. Yanmar 6N21), part numbers or descriptions, and port/ETA. Vessel Core reviews the supply route and prepares a structured supply quotation.