Piston Pin 3934047 Parts Number 3934047 Parts Name Piston Pin 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