One New Aftermarket Replacement 1028608, 1017352, 4N0270 Exhaust Manifold (Front or Rear Section) Fits Caterpillar C15 Engines Excavator Models: 245, 245B, 245D, 375, 375L, 385B, 385BL, 5080, 5090B Engine Models: 3306E, 3456, 3406, C15 Trucks: 735, 740, D350E, D40D, D400D, D400E, D400EII Motor Grader: 16G Wheel Compactor: 825C, 825G, 826C, 826G, 836G May also fit other models and applications Replaces part numbers: 1028608, 1017352, 4N0270 Models this part fits: 3406, D320 Reference Numbers: 1017352, 1028608, 1028608-A, 4N0270