0 0 Caterpillar 3406B Cylinder Head for a CAT 3406B-ATAAC ABOVE 400 HP $2,200 USD CYLINDER HEAD, 3406B, Assembled all new valve train:, New valves, New Springs, New Guides, New Injector Tubes, New Valve Stem Seals, ConditionNewFits To Make(s)CATFits To Model(s)3406B-ATAAC ABOVE 400 HPStock NumberNWC 110-5096 MLS Number12479311CategoryCylinder Heads Last Updated6/2/2025 LocationSpokane Valley, WA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info