SDEC Piston Liner Kit

Piston, liner and ring kits for SDEC engine overhaul and genset maintenance. The expensive mistake on these kits is ordering across liner types. The SC7H runs dry liners, which are pressed into the block; the SC8D and SC9D run wet liners that seal directly against coolant. A wet-liner kit therefore includes the lower liner O-rings and the top flange seal and a dry-liner kit does not, so the two are not interchangeable whatever the bore. Bore on its own is not enough either: the SC8D and SC9D share a 114 mm bore but run 135 mm and 144 mm strokes, so their pistons differ in compression height even where the liner looks identical. Send the full nameplate code, the engine serial number, and tell us whether the block has been rebored, since oversize pistons carry their own part numbers.