MAN B&W L28/32H Piston Crown Skirt
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Engine series: MAN B&W L28/32H four-stroke, medium-speed GenSet diesel engine for marine propulsion and auxiliary power.​
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Bore size: 280 mm nominal (optimized for precise piston fit and combustion efficiency).​
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Stroke length: 320 mm, supporting speeds up to 720/750 rpm and piston speeds of ~10 m/s.​
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Cylinder configurations: Inline 5L28/32H to 9L28/32H variants for GenSet applications.​
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Power output: Up to 220 kW per cylinder (max total 1,980 kW for 9-cylinder model).​
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Material & construction: High-strength aluminum alloy or coated skirt with crown interface for thermal expansion control.​
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Part number reference: OEM codes like 51306-xx series (exact PN varies by piston mark/version; e.g., Mahle/KS equivalents for 5L-9L28/32H).
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MAN B&W L28/32H Piston Crown Skirt | Marine Engine Spare Part
The premium MAN B&W L28/32H piston crown skirt will make your MAN B&W L28/32H engine more reliable. It was carefully made to provide better piston guidance and thermal control in high-performance marine GenSets. This important lower piston part fits perfectly with the crown to keep running clearances precise even under heavy loads and to ensure long-lasting efficiency in auxiliary power systems. It’s perfect for overhauls and shows how good MAN Energy Solutions’ tech is for diesel-electric ships and gensets.
Engine series compatibility
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Engine type: MAN B&W / MAN Diesel & Turbo (MAN Energy Solutions) L28/32H, including 5L–9L configurations used in GenSet applications.
Part name variants
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Piston crown skirt, piston skirt, piston skirt (crown-to-skirt assembly component).
Technical specifications
| Parameter | Specification |
|---|---|
| Engine type | L28/32H (four-stroke marine GenSet) ​ |
| Typical engine bore × stroke (series reference) | 280 mm × 320 mm (L28/32H reference data) ​ |
| Skirt design notes (general MAN guidance) | Skirt may be molybdenum-coated & barrel-shaped, or non-coated with 1–2 bronze bands (design depends on engine/part version). ​ |
| Application | Marine and powerplant / genset service (L28/32H family usage) |
Marine Applications:
- Marine auxiliary engines and GenSets get their power from MAN L28/32H series engines.
- Diesel-electric ships and power generation on board where L28/32H GenSets are used.
- Powerplant gensets on shore that use L28/32H engines (this series is used for stationary generation).
30 DAYS RETURN POLICY
RETURNS ACCEPTED IN 30 DAYS. BUYER PAYS THE SHIPPING CHARGES. RESTOCKING FEES 20%.
NOTE:
IF THE ITEM COMES UNDER CUSTOMS, THE BUYER WILL BE FULLY RESPONSIBLE FOR DUTIES & OTHER CHARGES. WE AS A SELLER DO NOT ACCEPT THE RETURN AND REFUND IN THIS CASE. KINDLY CONNECT WITH US BEFORE PURCHASING AND ITEM OR IF YOU HAVE ANY OTHER QUERIES.
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