Seals and gaskets prevent oil, coolant, fuel and combustion gases escaping between mating surfaces throughout the engine, and almost every joint opened during a repair depends on one. This group covers head gaskets, manifold and cover gaskets, crankshaft front and rear seals, valve stem seals, O-rings, and full overhaul gasket sets. Doosan overhaul kits bundle upper and lower gasket sets with the major wear components, which is the usual route for a DL06 or D1146 rebuild. Head gasket failure on these engines commonly follows overheating from a blocked cooling pack rather than any fault in the gasket, so establishing why the engine overheated matters as much as fitting the replacement.
AMS Parts supplies a wide range of seals & gaskets 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 Seals & Gaskets parts below. Use the search bar above to find a specific part number, or request a quote.
Yes. A full overhaul kit typically includes upper and lower gasket sets alongside liners, pistons, rings, bearings and valve train components.
Overheating is the usual cause, frequently traced to a blocked radiator core. A warped sealing face or incorrect bolt torque and sequence also contribute.
No. Gaskets take a set in service and rarely seal reliably a second time. New gaskets are fitted whenever a joint is disturbed.
