Marine Fuel Valves & Injection Nozzles

At Sourcing Marine, we recognize that the Fuel Valve and Injection Nozzle assembly is the final, most critical stage of the combustion process. To meet modern emissions standards and optimize fuel economy, these components must provide perfect atomization under extreme pressures.

  • Optimized Spray Patterns: Nozzles precision-drilled to OEM hole geometries to ensure uniform heat release and prevent localized piston crown overheating.
  • Superior Thermal Stability: Advanced metallurgy ensures needle valves maintain precise tolerances even at peak engine room temperatures.
  • Comprehensive Overhaul Kits: We provide complete assemblies and individual spares, including specialized O-rings and high-tensile springs, for a total fuel system refresh.

Product Description

Our fuel valves and nozzles are manufactured using high-grade tool steels and specialized heat treatments to resist needle-seat wear and orifice erosion. Whether you are operating the latest electronic-control ME or RT-flex engines or maintaining reliable Yanmar and Daihatsu auxiliary sets, Sourcing Marine provides the precision-engineered parts necessary for a clean, powerful, and efficient burn.

Technical Inventory & Component Support

1. Solutions for 2-Stroke Main Propulsion Engines

We support high-capacity propulsion plants with complete fuel valve sets and intricate internal spares.

Available Components: Fuel Valve Assemblies, Rotatable Guides, Fuel Nozzles (Atomizers), Valve Holders, Fuel Valve Heads, Non-Return Valves, Disc Valves, and specialized Sealing Rings.

Supported Series:

  • MAN B&W:
    • Electronic Control (ME): G95ME-C to S30ME-C (Full G/S series support).
    • Mechanical (MC/MC-C): S90MC-C to S35MC-C, K98MC-C to K80MC-C.
    • Legacy Series: L90MC to L35MC, L/K-GF(CA) series, 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

Precision injection parts for generator sets and medium-speed propulsion units.

Available Components: Complete Fuel Injectors, Nozzle Tips, Valve Seats, Injection Springs, and O-ring kits.

Supported Series:

  • MAN B&W: L32/40, V32/40, L28/32, L27/38, L23/30H, L21/31, L16/24, L20/27, T23LH.
  • 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, 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, PC4-2.

Why Source Fuel Valves from Sourcing Marine?

  1. Matched Needle & Body: Our nozzle tips and needle valves are lapped together as a single unit to ensure zero-leakage seating.
  2. Pressure Tested: Every fuel valve assembly can be supplied pre-tested to ensure correct opening pressure (pop pressure) and crisp “chatter” for immediate installation.
  3. Strategic Emergency Stock: We maintain deep inventory of Yanmar N21/N18 and Daihatsu DK-20 nozzles for immediate air-freight to major global hubs.

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