Product Description
We provide comprehensive support for both 2-stroke propulsion plants and 4-stroke auxiliary generators. From massive main engine cylinder covers to intricate valvetrain components like rocker arms, valve guides, and high-tension springs, Sourcing Marine delivers the precision parts needed to maintain your engine’s performance and safety.






Technical Inventory & Component Support
1. Solutions for 2-Stroke Main Engines
Critical support for large-bore propulsion systems, ensuring structural integrity at the top of the combustion chamber.
Available Components: Cylinder Heads (Covers), Cooling Water Jackets, High-Tensile Studs and Nuts, and specialized Sealing O-Rings.
Supported Series:
- MAN B&W:
- Electronic Control (ME): G95ME-C through S30ME-C (Full G/S/ME-B series support).
- Mechanical (MC/MC-C): S90MC-C to S35MC-C, K98MC-C to K80MC-C.
- Legacy Series: L90MC to L35MC, and the full L/K-GF(CA) and GBE/GB series.
- WARTSILA-SULZER:
- RT-flex (Common Rail): 96, 82, 68, 60C, 58T, 50, 48T.
- RTA Series: RTA84T-B, 68T-B, RTA96C, RTA84, RTA72U, RTA62, RTA52, RTA48.
- Classic Series: RLA, RLB, RND/M, and RD series.
- MITSUBISHI:
- UEC Models: UEC60LSII, UEC50LSII, UEC43LSII, UEC37LSII, LS, LA, HA, and H-series.
2. Solutions for 4-Stroke Auxiliary & Medium-Speed Engines
A complete ecosystem of valvetrain parts for generator sets and medium-speed units.
Available Components: Cylinder Head Castings, Intake & Exhaust Valves, Valve Seats, Valve Springs, Valve Guides, Rocker Arm Assemblies, Support Brackets, Indicator Valves, Safety Valves, and full O-ring/Gasket kits.
Supported Series:
- MAN B&W: L32/40, V32/40, L28/32, L27/38, L23/30H, L21/31, L16/24, L20/27.
- WARTSILA-SULZER: W4L20, L20, R22HF-D, R32, L46, S20, ALT25/30, AL25/30.
- YANMAR (Japan): EY28, EY26, EY21, EY18, N330, N260, N21, N18, M200, T240, Z280, S165, S185, KDL/KL series.
- DAIHATSU (Japan): DK-36 to DK-20, DC-17, DE-18, DL-32 to DL-19, DS-32 to DS-16, PS-series (PKTB/PS-20/22/26/30).
- MAK & PIELSTICK: M32C, M25, M20, M601AK, M551AK; PC2-5, PC2-6.
Why Source Cylinder Heads from Sourcing Marine?
- Pressure Tested: Every cylinder head undergoes rigorous hydraulic pressure testing to ensure zero leaks in the cooling or combustion spaces.
- Strategic Emergency Stock: We maintain a deep inventory of heads and valvetrain kits for Yanmar N21/N18 and Daihatsu DK-20 for immediate air-freight dispatch.
- Comprehensive Hardware: We don’t just supply the head; we provide the exact studs, nuts, and gaskets required for a secure, professional installation.
