CUMMINS QSX11.9, (GOOD USED) OEM 2012 Cummins QSX11.9 Diesel Engine EGR Cooler, for sale!!!! P/N: 3688608 CM2250 Stock #: EG1026 For more information about this listing, shipping, technical questions email us at sales@jjrebuilders.com or call 1-800- 971-3019. We can ship