The cylinder head seals the top of the combustion chamber and houses the valve train that controls gas exchange, working under the highest thermal and mechanical loads in the engine. This group covers complete heads and castings, inlet and exhaust valves, guides and seats, springs, collets and caps, stem seals, rocker arms and shafts, pushrods, lifters and camshafts. Overhaul kits for Doosan engines commonly include valves, guides and seats alongside the bottom-end components, reflecting how these engines are typically rebuilt as a complete job. Cracking around injector bores and between valve seats is the usual finding on heads from engines that have run hot.
AMS Parts supplies a wide range of cylinder head & valves components for Doosan engines used in power generation, marine, and industrial applications. Browse the full range below, or contact us for specific requirements.
Browse our range of Cylinder Head & Valves parts below. Use the search bar above to find a specific part number, or request a quote.
Many full overhaul kits include intake and exhaust valves, guides and seats alongside pistons, liners and bearings. Kit contents vary, so confirm before ordering.
Cracks through a valve seat bridge or into a water jacket generally mean replacement. Pressure testing establishes whether the head is serviceable.
At the interval in the service schedule, and after any work that disturbs the valve train.
