Daihatsu Marine
Spare Parts Supplier
Marine engine spare parts supply for DK · DL · DS · DKM Series
Daihatsu engine models covered
Spare parts supply across the principal Daihatsu marine diesel programme — medium-speed engines from the older DL series to the DK series developed from 1994, which the builder has supplied for propulsion, auxiliary and land use.
DK-20e
DK-20e RFQs can include pistons, liners, cylinder heads, fuel pumps and injection valves. Confirm model suffix, serial/build and generator-set evidence.
DK-26
DK-26 RFQs can include cylinder liners, piston rings, exhaust valve assemblies, turbocharger nozzle rings and bearing shells. Confirm model suffix and serial/build evidence.
DK-28
DK-28 RFQs can include pistons, connecting rods, crankshaft bearings, fuel injection equipment and gasket sets. Confirm configuration, serial/build and part evidence.
DL-22
DL-22 RFQs can include cylinder heads, valve seat inserts, governor components, cooling-system spares and overhaul kits. Confirm serial/build and part evidence.
DL-26
DL-26 RFQs can include fuel injection pumps and plungers, turbocharger interface parts, piston crowns and cylinder head gaskets. Confirm installed duty and build evidence.
DS-26
DS-26 RFQs can include liners, valves and injection equipment. Confirm the complete model suffix, installed duty, serial/build and approved overhaul scope.
DKM-36
DKM-36 RFQs can include pistons, cylinder liners, exhaust valves, turbocharger parts and camshaft drives. Confirm installed duty, serial/build and part evidence.
Daihatsu marine spare parts supply scope
Planned overhaul components, running spares, and time-critical spare parts — structured by system and component group for Daihatsu DK, DL, DS, and DKM series engines.
- Pistons & piston rings
- Cylinder liners & O-rings
- Cylinder heads & head gaskets
- Exhaust valves, seats & spindles
- Fuel injection pumps & plungers
- Fuel injector nozzles & holders
- Turbocharger cartridges & nozzle rings
- Main bearings & crankpin shells
- Connecting rod bearings & bolts
- Camshaft bearings & drive components
- Governor & speed control parts
- Cooling system seals & impellers
- Lube oil pump components
- Overhaul gasket kits & seal sets
Reading a Daihatsu designation, and which Daihatsu it is
Two things trip up a Daihatsu request before the parts list is even reached: which company built the engine, and which of the four families the plate belongs to. Both are settled on the nameplate.
- Full engine designation as stamped, with the cylinder count, the family letters and any trailing build letter — 6DK-20e, not DK-20
- Engine serial number and year of build from the nameplate
- Duty: auxiliary generating set or propulsion, and the rated output and speed on the plate
- Cylinder number the component came off, for any running-gear item, and on a V-engine such as the 12DK-36 or 16DK-28 the bank as well
- Part number and the parts-book page it came from, treated as a starting point rather than a conclusion
- Bearing shells with the undersize stated, and ring sets quoted per cylinder rather than per ring
- Whether the line concerns the engine itself or the generating set around it, since the alternator and the control panel come from other makers with other catalogues
- Turbocharger make and designation from its own plate, if the line concerns the turbocharger
- Governor make and type from its own plate, for any speed-control line
- Running hours since the last top overhaul or full overhaul
- Photographs of the engine nameplate and of the component in place
Tools for this equipment: the Pt100 and thermocouple reader for the temperature sensors, the pressure gauge selector for the engine gauges and the O-ring size finder for loose O-rings. For a generating set on this engine, the motor speed calculator relates the engine speed to the supply frequency through the pole count of the alternator. When the crankshaft deflections are taken at an overhaul, the crankshaft deflection calculator turns the dial gauge readings for each crank into vertical and horizontal deflection, against the limit you enter.
Route comparison for Daihatsu engine parts.
OEM-route and verified alternative routes are reviewed side by side so buyers can choose the route that fits approval needs, documentation, lead time and budget logic.
Cost-Aware Supply Options
OEM-route and alternative-route options are reviewed for each RFQ. Availability, documentation and buyer approval requirements are confirmed in the quotation.
OEM or Alternative — Your Choice
For class-surveyed overhauls or warranty-sensitive repairs, OEM-route review can be requested. For running spares and planned maintenance, verified alternative routes can also be reviewed.
Additional Routes for Rare Items
The DL series came before the DK, whose first engines Daihatsu developed in 1994. On engines of that age the parts-book page, the old part number and a photograph of the removed component with its markings carry more weight than the type name, and other supply routes can be reviewed alongside the OEM route where vessel timing and approval requirements call for a comparison.
Technical Part Identification
Missing part numbers or incomplete spares lists are not a barrier. Identification review starts from the engine type with its model suffix, the serial, bore size, build year and component description; final identity is confirmed only from sufficient evidence. Model plate photographs and legacy parts catalogues are accepted as reference.
Port-Aware Delivery Planning
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
Auxiliary engine failures and time-critical breakdown situations for Daihatsu engines receive priority RFQ review. Time-critical RFQs are checked against supplier availability, freight options, vessel timing and port timing.
Daihatsu parts — common questions
Can Vessel Core review OEM-route and verified alternative routes for Daihatsu marine engines?
Yes. We review OEM-route and verified alternative routes for Daihatsu DK, DL, DS and DKM series engine requests. Alternative routes are selected case by case where documentation, quality and approval status permit.
What Daihatsu engine models do you cover?
RFQs may reference Daihatsu DK-20e, DK-26, DK-28, DL-22, DL-26, DS-26 or DKM-36 models. Provide the complete designation, serial/build and part evidence; availability and route are confirmed only in the quotation.
How are lead time and delivery confirmed for Daihatsu parts?
We confirm lead time and freight in the quotation, line by line. Daihatsu DK, DL, DS and DKM parts are matched to the model suffix and the serial rather than to the series name, and on the older builds, that check has to finish before timing means anything, so we do it first and quote a date only once a supplier has committed to one.
Can Vessel Core supply Daihatsu parts if I only have the engine model plate details?
If an exact part number is unavailable, model designation, serial/build, component description, plate photos and drawing or part-book evidence can start identification review. No component is confirmed from model family or dimensions alone.
Is Daihatsu Diesel the same company as Daihatsu the car maker?
No. These engines come from a separate engine builder, Daihatsu Diesel, which makes marine and land diesel engines, gas turbines and their parts. It is a different company from Daihatsu Motor, the car maker that became a wholly owned Toyota subsidiary in 2016, and a search that lands on the car company will not find a cylinder head for a generating set. Send the engine plate as it reads.
How do I read a Daihatsu designation such as 6DK-20e?
The leading digit is the cylinder count, the letters are the family and the number is the bore in centimetres. A trailing letter, such as the e in DK-20e, marks the build within that frame. DK, DL, DS and DKM are separate families with separate parts books, so copy the whole designation as stamped, 6DK-20e rather than DK-20: the build letter cannot be guessed, and it decides several lines on a top-overhaul list.
Is Vessel Core connected to Daihatsu?
No, and there is no agreement of any kind. Vessel Core holds no dealership, distribution, representation or partnership agreement with Daihatsu, and quoting a component against the DK, DL, DS or DKM designations implies no approval by the maker and no claim of interchangeability.
Why the maker name appears on this page
The DK, DL, DS and DKM designations are here so that a buyer can name the engine in front of them. Naming a maker is not a claim to represent it: Vessel Core holds no dealership, distribution, representation or partnership agreement with Daihatsu Infinearth Mfg. (formerly Daihatsu Diesel Mfg.) or with any other manufacturer referenced on this site.
Submit your RFQ now.
Send your Daihatsu spare parts request — vessel name, engine model (e.g. Daihatsu DK-26), part numbers or descriptions, and port/ETA. Vessel Core reviews the supply route and prepares a structured supply quotation.
