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.
Since 1973, Heli-Mart, Inc. set out to provide exceptional support and service for helicopter operators worldwide. More than 40 years later, we continue our on-going mission to provide a superior level of customer service, getting you the helicopter parts you need at the most critical of times. Heli-Mart keeps its customers up and running, housing an extensive on-shelf inventory of MD Helicopter, Bell Helicopter, Airbus Helicopters (formerly Eurocopter) and Sikorsky (formerly Schweizer) parts. Our ability to ship parts same-day, worldwide, ensures same or next day delivery on most orders.
Heli-Mart and its wholly owned subsidiary, California Aero Components (CAC), are headquartered in Irvine, California—just off the runway of Orange County’s John Wayne Airport (SNA). CAC is FAA Approved (CRS #Y5CR165Y) and EASA Certificated (EASA 145.5247) to overhaul and repair MD500/600 Series and Schweizer Helicopter components. Learn more here >
The MD500 series is powered by the Rolls-Royce 250. See our Rolls-Royce 250 replacement parts or browse all aircraft and helicopter platforms.
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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