Aftermarket Piston Ring Set for the Cummins QSB 4BT 3.9 QSB diesel engine. Direct replacement for Cummins 3938177.
Fits These Models
Cummins Wheel Loaders: 26277757-UP, 2678, 2846, 2943, 8058, 8105, 8111, 8148, 8149, 8265, 8266, 8267, 8337, 8483, 8492, 8604, CPL, ESN, SAA4D102E-2B, WA150PZ-5, WA200PT-5, WA250-5, WA250PT-5, WA250PZ-5, WA320-5L
Cummins Excavators: PC220LC-7, PC220LL-7L, WA200-5
