Piston for CUMMINS 4B3.9Reference3906209Engine applicationsCUMMINS 4B3.9 · CUMMINS 6BT5.9 17.3bore mm102retainer specification40-1.7-RAsupplier ring thickness reference2.38R 2.35 4Other references on this record380206038020623802064390620839062093906223PistonBrowse this categoryBrowse this brand · CUMMINSProduct page · 3906223CUMMINS