Basic Feature of Piston: Long lasting and reliable working lifetime; Competitive price, superior quality; Piston for diesel Engine parts 1. Piston compatible with CUMMINS series: 2. Production Description: A) Material: MAHLER124, MAHLER138, MAHLER142, etc. B) Technology: Tinning, phosphating treatment, anodic treatment, graphite printing, inner cooling oil channel, pin-hole bushing, steel patch ...