Piston Cooling Nozzle 3937214 Parts Number 3937214 Parts Name Piston Cooling Nozzle Brand Cummins Genuine Parts Cummins Models Cummins/DCEC Cummins B serial Tags: 4B, 6B, Cummins, DCEC, Genuine Parts| Related Posts Piston 3017348 Camshaft C3929039 Oil Pan Gasket 3959052 Piston Ring Set 4295801 Piston Pin 68445