Caterpillar 3406, Exhaust Manifolds, (GOOD USED) Caterpillar 3406B Exhaust Manifold 3 Part For Sale, End Part # End Part # 4N270-3-, 4N270, 4N270, Center Part # 219-5855 CAT-02-, 219 5855 CAT 02, 2195855CAT02, EXCAVATOR: 245, SET HAS REF# 29L5848-7- CENTER MANIFOLD QTY1, REF# 4N270-3- ENDS QTY2, Stock # 6953 | Tested & Inspected!