FILTER: AIR (P/N 757-899) - New Surplus

The 757-899 is a pneumatic air filter element for avionics vacuum systems on Piper PA-30 and PA-39 Twin Comanche aircraft. This filter removes particulates and contaminants from the pneumatic supply feeding flight instruments, protecting sensitive vacuum-operated gauges and autopilot components from damage. The element uses a pleated filter media design to maintain airflow while capturing debris.

Installation follows the aircraft maintenance manual and FAA AC 43.13-1B guidance. Replace when restricted per maintenance schedules or after inspection reveals contamination. Produced under FAA Production Certificate authorization.

What is the FILTER: AIR (P/N 757-899)?

The 757-899 is a pneumatic air filter element for avionics vacuum systems on Piper PA-30 and PA-39 Twin Comanche aircraft. This filter removes particulates and contaminants from the pneumatic supply feeding flight instruments, protecting sensitive vacuum-operated gauges and autopilot components from damage.

What hydraulic fluid type is the 757-899 compatible with?

Hydraulic component compatibility depends on the aircraft system design. Common aviation hydraulic fluids include MIL-PRF-5606 (mineral-based), MIL-PRF-83282 (synthetic), and Skydrol (phosphate ester). Verify the FILTER: AIR against your aircraft maintenance manual for fluid compatibility.

Does the 757-899 come pressure-tested and certified?

Overhauled and repaired hydraulic components are pressure-tested per manufacturer specifications and include 8130-3 documentation. The FILTER: AIR is available in: New Surplus. Contact us for test documentation on your selected condition.

What is the turnaround time for hydraulic component orders?

In-stock hydraulic components ship same business day before 3 PM EST. We provide 24/7 AOG support at (904) 998-9101 for urgent hydraulic system needs. RFQ submissions are typically quoted within 24 hours.