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.

Rolls Royce 250 Engine

The Rolls Royce 250 is a successful turboshaft engine that powers a large number of major helicopters around the world.
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Compressor Module

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.
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Gearbox Module

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.
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Turbine Module

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.
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Combustion Section

Our combustion section creates a consistent flame pattern that lessons nozzle distress. We also provide split ring seals for the combustion section.
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