Cummins NT855 Exhaust Manifold 3801916 *Please Verify OEM Number Before Purchase Exhaust Manifold Fits Cummins NT855 Engines Direct Aftermarket Replacement For OEM #: 3801916 Front End Section 3050688 Center Section 3070424 Rear End Section 3053138 Mounting Kit 3801915MK Sold Individually Quality Ma... See More