Four Stroke Engines
Auxiliary power and generator engines with superior fuel economy


Engine Components
- Cylinders Liners
- Piston Crowns
- Piston Skirts
- Cylinder Heads
- Exhaust Valve Spindles
- Valve Seats
- Valve Cages
- Plungers
- Fuel Pumps
- Bearings
- Piston Rings
Looking for two-stroke engine parts?
View Two-Stroke PartsFour-Stroke Marine Diesel Engines
Four-stroke marine diesel engines are commonly used for auxiliary power generation, smaller main engines, and generator sets. These engines offer better fuel economy at lower loads and are easier to maintain. We maintain extensive inventory of genuine and OEM parts for all major four-stroke engine brands.
Yanmar
Japanese precision engineering for auxiliary power
Daihatsu
Reliable four-stroke engines for marine applications
MaK
German engineering excellence in marine propulsion
Wartsila
Finnish innovation in marine power solutions
MAN B&W
World-leading four-stroke engine technology
Bergen
Norwegian quality in marine diesel engines
Sulzer
Swiss precision in four-stroke engine design
Pielstick
French engineering for marine applications
Stork Werkspoor
Dutch heritage in marine engine manufacturing
Hanshin
Comprehensive range of Japanese marine engines
Caterpillar
American reliability in marine power systems
Nigata
Japanese innovation in auxiliary power generation
Need Specific Four-Stroke Engine Parts?
With over 212+ engine models in our inventory, we can supply parts for virtually any four-stroke marine engine. Contact our team for detailed specifications, availability, and competitive pricing.