Whether you own a Doosan Portable air compressor or an OEM drill that has a Doosan airend built in, a remanufactured airend provided through our Airend Exchange Program will deliver superior performance and reliability which means profits for you and your company. Doosan factory remanufactured airends are carefully disassembled and inspected to ensure that any damaged or obsolete parts are replaced. Each airend is rebuilt by an experienced craftsmen at Doosan Portable Power’s worldwide headquarters.