Spare parts for Marine Diesel Engines : 

Sulzer / H.Cegielski

  auxilliary engines type : S20, A20, A25, AT25  
  and main engines type : RTA52, RTA58, RTA62, RTA62U, RTA72, RTA76       

MAN B&W / H.Cegielski
  auxilliary engines type : L16/24, L23/30H, L28/32H
  and main engines type : S46MC, S50MC, L50MC

Air coolers , auxilliary blowers, piston rod stuffing boxes
  for all engine types produced by H.Cegielski (Sulzer, MAN B&W)