The PTI 7594046-101 is an FAA-PMA approved compressed air filter element designed for use in aircraft pneumatic and compressor air systems, most commonly in Pratt & Whitney Canada PT6 / PT6T engine installations.

It is used to filter compressed air in engine pneumatic systems, protecting downstream components such as air-driven accessories and pneumatic control systems from particulate contamination. The element uses a high-efficiency pleated filtration media engineered for stable airflow and consistent filtration performance under engine operating conditions.

This filter is a direct replacement for OEM components used in PT6-series engine accessory systems and is installed inside a dedicated filter housing during scheduled maintenance.

It is a consumable maintenance item, replaced at defined service intervals to ensure continued pneumatic system reliability and engine protection.

Key features include:

PTI part number: 7594046-101
FAA-PMA approved compressed air filter element
Used in Pratt & Whitney Canada PT6 / PT6T pneumatic systems
Pleated high-efficiency filtration media
Removes particulate contamination from compressed air systems
Installed in dedicated engine accessory filter housing
Direct OEM replacement equivalent (PWC PT6 compressor filter applications)
Stable airflow and low restriction design
Protects pneumatic and engine accessory components
Suitable for turbine aircraft engine systems
Consumable maintenance item with scheduled replacement intervals