Main and auxiliary engines
Marine engine spare parts for two-stroke and four-stroke engines
Ten systems, from cylinder units to starting air — the groups that account for most unscheduled engine downtime. Individual parts or complete kits, with the specification confirmed before anything is quoted.
- Two-stroke and four-stroke
- Auxiliary engines covered
- Alternative and OEM options
- Certificates with every shipment
Parts by system
Choose the system you are repairing
Each page lists the components, the materials and the information we need from you to confirm the match.
Cylinder & piston
Liners, piston crowns, skirts, rods, rings and cylinder covers for two- and four-stroke engines.
Fuel injection
Plungers, barrels, delivery valves, injectors and nozzles for two-stroke and four-stroke engines.
Turbocharger & air
Rotors, nozzle rings, blades, bearing kits, charge air coolers and scavenge components.
Cooling & heat exchange
Cylinder cooling and sea water pumps, plate and shell coolers, thermostats and seals.
Auxiliary Engine Parts — Daihatsu, Yanmar, Hanshin, Niigata
Cylinder heads, piston units, injection pumps and coolers for Daihatsu, Yanmar, Hanshin, Niigata, MaK and Wärtsilä auxiliary engines.
Lube Oil Pumps, Filters & Coolers
Lube oil pumps, duplex filters, coolers, thermostatic valves and pressure regulating valves for main and auxiliary engines.
Fuel Oil Separators, Heaters & Filters
Purifier bowls and disc stacks, feed pumps, fuel heaters, viscosity control and automatic filters for heavy fuel oil systems.
Starting Air Compressors, Valves & Receivers
Main and auxiliary air compressors, starting air valves, air distributors, safety valves and receiver components.
Main Bearings, Connecting Rod Bearings & Crankshaft Parts
Thin-wall bearing shells, crosshead and thrust bearings, crankpin bearings, shims and crankshaft components.
Gaskets, O-Rings & Sealing Kits
Cylinder cover gaskets, manifold gaskets, O-ring kits, mechanical seals, gland packing and jointing sheet.
Coverage
Engine makes we quote against
Cross-references from the engine type and serial number are how we avoid the wrong part being shipped.
| Engine make | Types we quote most |
|---|---|
| MAN B&W | MC, MC-C, ME, ME-B, ME-C (two-stroke) |
| Wärtsilä / Sulzer | RTA, RT-flex, Wärtsilä 32, 46, 50 (four-stroke) |
| Mitsubishi | UEC LSE, UEC-eco (two-stroke) |
| Daihatsu | DK, DL, DC series (auxiliary) |
| Yanmar | EY, NY, 6N series (auxiliary) |
| Hanshin / Akasaka / Niigata | LH, AH, 6M series (auxiliary) |
| MaK / Caterpillar | M20, M25, M32, 3500 series |
| Cummins | KTA, QSK, NT855 marine |
Not sure which system the part belongs to?
Describe the failure and send a photo. We will identify it for you.