Technical RFQ Review
We check maker, model, serial number, part number, drawing, photos and vessel details before quoting.
MaK Marine Engine Spare Parts
MaK medium-speed engines run in propulsion and generating sets across container feeders, dredgers, ferries and offshore support vessels. Harbor Eagle supplies spare parts for the full MaK range, quoting from part numbers, maker drawings or engine serial numbers.
Send maker, model, serial number, part number, quantity, photos, drawings, vessel name, delivery location and urgency for a faster technical review.
- MaK spare parts supplier
- MaK marine engine spare parts
- MaK M20 spare parts
- MaK M25 spare parts
- MaK M32 spare parts
- MaK 6M32 spare parts
- MaK M43 spare parts
- MaK VM32C spare parts
Maker and model names are used only for technical identification. Harbor Eagle is an independent marine and industrial spare parts supplier.
MaK Engine Models We Cover
M20 and M20C, M25 and M25C, M32 and M32C including the 6M32 and 8M32C, M43 and M43C, and the V-configuration VM32C and VM43C. Older M282, M332 and M453 units are also supported, though availability on discontinued components varies and we will tell you honestly when an item is no longer obtainable.
Parts by Group
Piston, liner and ring group. Pistons, piston crowns and skirts, cylinder liners, compression and oil scraper rings, gudgeon pins and circlips.
Cylinder head and valve train. Complete and reconditioned cylinder heads, inlet and exhaust valves, valve seats, guides, rotocaps, rocker arms and push rods.
Fuel injection group. Injection pumps, injectors and nozzles, high pressure pipes, fuel racks and control linkages.
Cooling and lubrication. Water and lube oil pumps, thermostatic valves, heat exchanger elements, filter housings and filter inserts.
Bearings and rotating parts. Main bearings, big-end and camshaft bearings, crankshafts, connecting rods, camshafts and gear trains.
Gaskets, seals and overhaul kits. Complete head gasket sets, O-rings, shaft seals and top-end or full overhaul kits built to your service interval.
Quoting From Part Numbers
MaK part numbers are six digits and identify a component exactly. Items we handle regularly include 431110, 432107, 432110, 432144, 432151, 432260, 432267, 432601, 432670, 432810, 433510, 433515, 433580, 433597, 436345, 436417, 436437, 436440, 437210, 437240, 437250, 438320, 438330, 438480, 438510 and 874161. If you have the number, send it and we will quote without further questions. If you only have a drawing, send the drawing and position number.
MaK M43 Cylinder And Piston Unit
| Part Number | Part Name | Engine Model | Manufacturer |
|---|---|---|---|
| 1.2240-005 | Spring | MaK M43 / M43C | MaK |
| 1.2240-014 | Compression Ring | MaK M43 / M43C | MaK |
| 1.0068-240 | Conical Spring Washer | MaK M43 / M43C | MaK |
| 1.7084-662 | O-ring | MaK M43 / M43C | MaK |
| 1.7082-518 | O-ring | MaK M43 / M43C | MaK |
| 1.7082-623 | O-ring | MaK M43 / M43C | MaK |
| 1.7084-660 | O-ring | MaK M43 / M43C | MaK |
| 432108AA | Set of Gaskets for Cylinder Head | MaK M43 / M43C | MaK |
| 432601-003 | Big-end Bearing, STD Size | MaK M43 / M43C | MaK |
| 1.7082-845 | O-ring | MaK M43 / M43C | MaK |
| 1.7084-655 | O-ring | MaK M43 / M43C | MaK |
| 1.7084-656 | O-ring | MaK M43 / M43C | MaK |
| 1.7082-523 | O-ring | MaK M43 / M43C | MaK |
| 431110-062 | O-ring | MaK M43 / M43C | MaK |
| 1.7082-916 | O-ring | MaK M43 / M43C | MaK |
| 1.7084-654 | O-ring | MaK M43 / M43C | MaK |
| 1.7082-232 | O-ring | MaK M43 / M43C | MaK |
| 432670-202 | Piston Crown | MaK M43 / M43C | MaK |
| 432670-203 | O-ring | MaK M43 / M43C | MaK |
| 432670-206 | Spring Dowel Pin | MaK M43 / M43C | MaK |
| 431110-004 | Camshaft Bearing | MaK M43 / M43C | MaK |
| 431110-003 | Main Bearing | MaK M43 / M43C | MaK |
| 433580-008 | Compression Spring | MaK M43 / M43C | MaK |
| 1.7084-669 | O-ring | MaK M43 / M43C | MaK |
| 1.7084-670 | O-ring | MaK M43 / M43C | MaK |
| 1.7010-133 | Joint Ring | MaK M43 / M43C | MaK |
| 1.7082-246 | O-ring | MaK M43 / M43C | MaK |
| 1.7084-659 | O-ring | MaK M43 / M43C | MaK |
| 432267-006 | Pressure Spring | MaK M43 / M43C | MaK |
| 1.7082-242 | O-ring | MaK M43 / M43C | MaK |
| 433597-536 | Pump Spring | MaK M43 / M43C | MaK |
| 433597-015 | Stop Piston | MaK M43 / M43C | MaK |
| 433597-018 | Control Rod Spring | MaK M43 / M43C | MaK |
| 1.7084-685 | O-ring | MaK M43 / M43C | MaK |
| 1.7084-671 | O-ring | MaK M43 / M43C | MaK |
| 1.7083-320 | Joint Ring | MaK M43 / M43C | MaK |
| 436417-118 | O-ring | MaK M43 / M43C | MaK |
| 1.7010-064 | Joint Ring | MaK M43 / M43C | MaK |
| 1.7084-638 | O-ring | MaK M43 / M43C | MaK |
| 436437-005 | Rear Bearing | MaK M43 / M43C | MaK |
| 436437-006 | Front Bearing | MaK M43 / M43C | MaK |
| 436437-010 | O-ring | MaK M43 / M43C | MaK |
| 436437-015 | O-ring | MaK M43 / M43C | MaK |
| 1.7084-672 | O-ring | MaK M43 / M43C | MaK |
| 1.7084-680 | O-ring | MaK M43 / M43C | MaK |
| 1.7084-681 | O-ring | MaK M43 / M43C | MaK |
| 1.7837-315 | O-ring | MaK M43 / M43C | MaK |
| 1.7082-085 | O-ring | MaK M43 / M43C | MaK |
| 1.7837-319 | O-ring | MaK M43 / M43C | MaK |
| 1.7084-668 | O-ring | MaK M43 / M43C | MaK |
| 431110-008 | Joint Ring | MaK M43 / M43C | MaK |
MaK M43 Lubrication And Pump System
| Part Number | Part Name | Engine Model | Manufacturer |
|---|---|---|---|
| 433597-101 | Pump Element | MaK M43 / M43C | MaK |
| 466417AY | Spare Part Kit, Lub Oil Pump | MaK M43 / M43C | MaK |
| 438480-003 | Circlips for Leak Oil Pipe Mounting | MaK M43 / M43C | MaK |
MaK M43 Main Engine Spare Part
| Part Number | Part Name | Engine Model | Manufacturer |
|---|---|---|---|
| 433515-102 | Thrust Piece DT | MaK M43 / M43C | MaK |
| 433515-104 | Adjusting Bolt | MaK M43 / M43C | MaK |
| 1.0060-277 | Circlip | MaK M43 / M43C | MaK |
| 433510-102 | Bush | MaK M43 / M43C | MaK |
| 433510-103 | Ball Head Pin | MaK M43 / M43C | MaK |
| 433510-104 | Adjusting Screw | MaK M43 / M43C | MaK |
| 1.2017-081 | Hexagon Nut | MaK M43 / M43C | MaK |
| 1.0061-303 | Circlip | MaK M43 / M43C | MaK |
| 432810-110 | Small End Bush | MaK M43 / M43C | MaK |
| 432670-404 | Bolt | MaK M43 / M43C | MaK |
| 433580-005 | Thrust Rod | MaK M43 / M43C | MaK |
| 1.4906-910 | Set of Spare Parts | MaK M43 / M43C | MaK |
| 437210-055 | Expansion Joint | MaK M43 / M43C | MaK |
| 257210-151 | Hex Screw | MaK M43 / M43C | MaK |
| 1.7260-012 | Hexagon Nut | MaK M43 / M43C | MaK |
| 432260-002 | Nozzle Element | MaK M43 / M43C | MaK |
| 432267-003 | Pressure Bolt | MaK M43 / M43C | MaK |
| 1.0026-226 | Parallel Pin | MaK M43 / M43C | MaK |
| 433597-021 | Stroke Limiter | MaK M43 / M43C | MaK |
| 433597-206 | Baffle Body | MaK M43 / M43C | MaK |
| 438510-006 | Circlip | MaK M43 / M43C | MaK |
| 436437-002 | Shaft | MaK M43 / M43C | MaK |
| 436437-012 | Impeller | MaK M43 / M43C | MaK |
| 436440-002 | Gear Wheel | MaK M43 / M43C | MaK |
| 1.7837-384 | Thermostat Element74-82°c | MaK M43 / M43C | MaK |
| 1.7837-379 | Thermostat Element 57-66°c | MaK M43 / M43C | MaK |
MaK M43 Mechanical Drive Components
| Part Number | Part Name | Engine Model | Manufacturer |
|---|---|---|---|
| 432107-019 | Extension Sleeve | MaK M43 / M43C | MaK |
| 432151-003 | Sleeve | MaK M43 / M43C | MaK |
| 432670-405 | Spacer Sleeve | MaK M43 / M43C | MaK |
| 9.3140-001 | Vibration Damper | MaK M43 / M43C | MaK |
| 433597-105 | Control Sleeve | MaK M43 / M43C | MaK |
| 438320-002 | Flange | MaK M43 / M43C | MaK |
| 436347AA | Vibration Damper | MaK M43 / M43C | MaK |
MaK M43 Seal, Gasket And Washer
| Part Number | Part Name | Engine Model | Manufacturer |
|---|---|---|---|
| 436345-007 | Gasket | MaK M43 / M43C | MaK |
| 436345-008 | Gasket | MaK M43 / M43C | MaK |
| 431633-005 | Rubber Seal | MaK M43 / M43C | MaK |
| 431113AA | Set of Gaskets | MaK M43 / M43C | MaK |
| 437210-062 | Gasket | MaK M43 / M43C | MaK |
| 437210-014 | Gasket | MaK M43 / M43C | MaK |
| 1.0040-227 | Washer | MaK M43 / M43C | MaK |
| 437240-003 | Gasket | MaK M43 / M43C | MaK |
| 437240-004 | Gasket | MaK M43 / M43C | MaK |
| 437240-007 | Gasket | MaK M43 / M43C | MaK |
| 437250-003 | Gasket | MaK M43 / M43C | MaK |
| 437250-010 | Gasket | MaK M43 / M43C | MaK |
| 433598AA | Set of Gasket | MaK M43 / M43C | MaK |
| 433599AA | Set of Gasket | MaK M43 / M43C | MaK |
| 436437-007 | Oil Seal | MaK M43 / M43C | MaK |
| 436437-011 | Seal Assembly | MaK M43 / M43C | MaK |
| 1.7073-302 | Gasket | MaK M43 / M43C | MaK |
| 438320-004 | Gasket | MaK M43 / M43C | MaK |
| 438320-008 | Gasket | MaK M43 / M43C | MaK |
| 1.7073-301 | Gasket | MaK M43 / M43C | MaK |
| 1.7073-737 | Gasket | MaK M43 / M43C | MaK |
| 1.7837-318 | Gasket | MaK M43 / M43C | MaK |
| 1.7837-316 | Seal | MaK M43 / M43C | MaK |
| 432144-012 | Gasket | MaK M43 / M43C | MaK |
| 432144-013 | Gasket | MaK M43 / M43C | MaK |
MaK M43 Valve Train
| Part Number | Part Name | Engine Model | Manufacturer |
|---|---|---|---|
| 432107-004 | Inlet Valve Guide | MaK M43 / M43C | MaK |
| 432107-005 | Exhaust Valve Guide | MaK M43 / M43C | MaK |
| 432110-001 | Inlet Valve Stem 30° | MaK M43 / M43C | MaK |
| 432107-007 | Exhaust Valve with Wing | MaK M43 / M43C | MaK |
| 432225AA | Valve Rotator Assembly | MaK M43 / M43C | MaK |
| 432107-012 | Spring Plate | MaK M43 / M43C | MaK |
| 432107-008 | Valve Spring Washer | MaK M43 / M43C | MaK |
| 432227CC | Freewheel | MaK M43 / M43C | MaK |
| 432107-010 | Exhaust Valve Spring | MaK M43 / M43C | MaK |
| 432107-017 | Valve Spindle | MaK M43 / M43C | MaK |
| 432107-018 | Spring Plate | MaK M43 / M43C | MaK |
| 432151-004 | Valve Seat Insert, Inlet 30° | MaK M43 / M43C | MaK |
| 432151-005 | Valve Seat Insert, Exhaust | MaK M43 / M43C | MaK |
| 433580-006 | Spring Plate | MaK M43 / M43C | MaK |
| 433597-103 | Pressure Unloading Delivery Valve | MaK M43 / M43C | MaK |
| 433597-023 | Delivery Valve Spring | MaK M43 / M43C | MaK |
| 9.6417-500 | Pilot Valve Complete | MaK M43 / M43C | MaK |
| 438330-103 | Non -return Valve | MaK M43 / M43C | MaK |
Delivery
Regular consignments to Rotterdam, Hamburg, Istanbul, Piraeus, Singapore, Jebel Ali, Fujairah and Houston. Stock items typically leave within 24 to 48 hours of order confirmation.
Request a Quotation
Send the engine model, serial number and part numbers to marketing@harboreagle.com or call +90 216 766 07 87. We reply within one working day with price, lead time, delivery port and whether each item is genuine, OEM or equivalent.
Wholesale Supply Desk
Harbor Eagle is positioned for B2B tender lists, shipyard repair packages and mixed spare parts requirements.
Vessel Delivery Support
Our team can coordinate supply requirements connected with port, shipyard, dry-dock and vessel operation schedules.
How should I send an RFQ to Harbor Eagle?
Please send maker, model, serial number, part number, quantity, vessel name, delivery country, urgency and any drawing, photo or tender file to marketing@harboreagle.com.
Can Harbor Eagle support mixed vessel tender lists?
Yes. Harbor Eagle can review mixed RFQ lists covering main engines, auxiliary engines, separators, pumps, air compressors, turbochargers, seals, electrical parts and shipyard repair requirements.
Does Harbor Eagle claim to be the original manufacturer?
No. Maker and model names are used for technical identification only. Harbor Eagle supplies original, OEM and high-quality replacement options depending on availability and project requirements.
Which MaK engine models are covered?
Harbor Eagle reviews MaK engine parts inquiries for M20, M25, M32, M43, 6M43, VM32C, VM43C and classic M282, M332, M452, M551, M552 and M601 references.
Can I send an old MaK manual page or part-number list?
Yes. Send the MaK model, serial number, part number, old manual page, drawing, photo and quantity. These references help the technical team match obsolete and current numbers.
Which MaK spare part numbers are available in the online reference?
The current online reference includes verified MaK M43 main engine numbers such as 432107-004, 432151-004, 432670-202, 433597-101, 436437-012, 431110-003 and 436347AA. Other MaK model numbers can be submitted for RFQ review.
Can Harbor Eagle support urgent MaK dry-dock requirements?
Yes. Include the vessel ETA, shipyard or port, required date and complete item list so availability and delivery options can be reviewed quickly.
Send Your RFQ to Harbor Eagle
Forward your complete vessel spare parts list, tender package or urgent operation request.