MAN B&W L28-32H Cylinder Liner
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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 (new: 280.03-280.08 mm; max wear limit: 280.60 mm).
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Stroke Length: 320 mm, supporting 720/750 rpm speeds and piston speeds up to 10 m/s.​
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Cylinder Configurations: Inline 5L28/32H to 9L28/32H; V-versions with collar groove for orientation.​
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Power Output: Up to 220 kW per cylinder (total up to 1,980 kW for 9-cylinder).​
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Material & Construction: Fine-grained pearlite cast iron, centrifugally cast with water jacket, O-rings, and flame ring for sealing.​
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Part Number Reference: OEM codes like 51201-08 (liner), 51306-14/0
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MAN B&W L28-32H Cylinder Liner | Genuine Marine Engine Spare Parts
The MAN B&W L28/32H cylinder liner is a precision-engineered part that is essential for high-performance marine diesel engines. It makes sure that the piston moves smoothly and fuel burns efficiently. This original replacement part is very durable and works well in harsh marine settings.
This cylinder liner is made for the dependable MAN B&W L28/32H four-stroke GenSet engine and can handle power outputs of up to 220 kW per cylinder at 750 rpm. It is perfect for naval propulsion and backup power. Made from fine-grained pearlite cast iron, it fits tightly into the engine frame bore and keeps the seals tight with O-rings and flame rings. Its strong design means that it doesn’t need much maintenance, which means it will last a long time in heavy-duty situations.
Technical Specifications
| Specification | Value | Notes |
|---|---|---|
| Bore Diameter (New) | 280.03 – 280.08 mm | Inside diameter |
| Maximum Bore Diameter | 280.60 mm | Wear limit |
| Material | Fine-grained pearlite cast iron | High wear resistance |
| Surface Treatment | Carbonized | Enhanced durability |
| Cooling | Water jacket with O-rings | Prevents cavitation |
| Engine Speed | 720/750 rpm | Depending on configuration |
| Piston Rings | 3 compression + 1 scraper | Oil-cooled mono-bloc piston |
Marine Applications:
- Marine GenSet is used to power commercial ships and provide auxiliary power.
- Offshore support vessels that need diesel engines that work well and don’t pollute the air.
- Shipping that can handle heavy loads for HFO/MDO operations that meets IMO Tier standards.
- Engine overhauls and replacing spare parts in installations of the 28/32H series.
- Inland waterway and coastal freight transport require compact, efficient powertrains.
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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TAXES & IMPORT DUTIES
DESTINATION COUNTRY ALL TAXES & DUTY TO BE PAID BY BUYER (NOT INCLUDED IN PRICE.

