EXTEX manufactures the highest performing flight critical PMA parts for MD Helicopters. Our life limited and critical aftermarket replacement parts excel under the most demanding conditions.

Drive Train Components

EXTEX provides an MD Helicopter main rotor driveshaft that offers superior performance with extended service life, resulting in unequaled PMA eligibility, increased readiness, and cost-effectiveness for the MDHI series aircraft. Our maintenance-free tail rotor coupling has been the first choice for helicopter applications where failure is not an option.
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MD500 Helicopter Bearings

We offer a variety of bearings for the MD500 Transmission & Tail Rotor Assembly.
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