Aftermarket Replacement Charge Air Cooler Of STX MAN B&W Main Engine 6S42MC SN SB6S42-09466
This aftermarket replacement charge air cooler is a direct OEM equivalent heat exchanger designed for marine main propulsion diesel engines, widely applied on cargo ships, tankers, OSV offshore support vessels and offshore drilling platforms. It fully matches original mounting dimensions, nozzle positions and cooling performance without pipeline modification, greatly cutting vessel downtime during overhaul.
100% Drop-In Replacement
Identical footprint, flange size, air/water port orientation as OEM unit; no on-site pipe cutting or bracket rework, 24–48h fast onboard replacement.
Marine Anti-Corrosion Material Package
Tubes: CuNi 90/10 / 70/30 copper nickel, titanium alloy (anti-seawater salt corrosion)
Tube sheet: Naval brass; Shell: Carbon steel with heavy marine epoxy anti-rust coating
OEM-Matched Cooling Efficiency
Cool turbo compressed air from 180–220℃ down to 35–45℃; low air side pressure drop <=0.2 bar, restore rated engine power, reduce fuel consumption & NOₓ emission to meet MARPOL VI standard.
Pass hydrostatic pressure test, helium leak tightness test, vibration fatigue test; available with CCS, ABS, DNV, LR, BV marine survey certificates.
Cost-Effective Aftermarket Solution
Lower price than genuine OEM spare parts, 12-month factory warranty, full technical drawing & part number cross-reference support.
