Piston Cooling nozzle 3959291 Parts Number 3959291 Parts Name Piston Cooling nozzle Brand Cummins Genuine Parts Models DCEC Cummins L serial Tags: 6L, Cummins, DCEC, Genuine Parts, Piston Cooling nozzle| Related Posts Piston 3017348 Piston Ring Set 4295801 Piston Pin 68445 Set Piston Ring 4955251 Bearing Con Rod 214950