The National Flight Services Parts Department contains one of the largest inventories of TPE331 engine parts in the world! National Flight Services can supply you with anything from gaskets to EGT harnesses or even T-wheels!
National Flight also has an extensive inventory of airframe parts to support Twin Commander, Beechcraft, Mitsubishi, Cessna and most other turbine powered business/commuter aircraft.
If National Flight Services does not have the part you require, it has 24-Hour access to almost anything.