EXTEX's RR250 aftermarket parts set the standard for operational excellence. Our part designs provide superior performance, powering some of the world’s most popular helicopters.
Essential Turbines, Inc. is a state-of-the-art maintenance, repair and overhaul services for RR M250 engines, modules and accessories. Founded in 1993 by Michael F.Guntner (Mike Sr.) and Michael E.Guntner (Mike Jr.), ETI provides around-the-clock service and has developed a worldwide loyal clientele amongst helicopter operators, including flight training, firefighting, law enforcement, government agencies, private and corporate-owned helicopter operators. ETI's skilled and competent workforce, along with their commitment and focus on providing customers with a full-service attention on their repair and overhaul needs, has led them to become true leaders in the aerospace industry and a partner of Extex Engineered Products.
The compressor module is comprised of a series of blades and an impeller. It takes air and compresses it before moving to the combustion section. We stock many of these parts so you don't have to.See Details
Our gear technology that we provide improves lubrication and reduces wear resistance, and maintains the proper gearbox operating temperatures. Our bearings for the RR250 gearbox module are well known for their reliability worldwide.See Details
The turbine section creates the power in the engine. Our PMA nozzles give you many options and are cut to your condition and flowed to your specification. Other parts in our inventory include bearings, damper segments, labyrinth seals and more.See Details