Please confirm the RA-D9-18-1 central air filter element’s compatibility with your aircraft using these documents:
The Rapco FAA-PMA approved line of pneumatic system filters provides quality replacement parts at reasonable prices. Rapco filters are made from 0.3 micron filter media and meet or exceed industry standards. Routine filter replacement is important to a long service life for gyro instruments, and dry air pumps. See recommended replacement times and always be sure to replace all pneumatic filters when replacing dry air pumps.
Product Details:
- FAA-PMA Approved
- Replaces: Airborne PN. D9-18-1 element, for use on 1J7-1 filter assemblies, for vacuum systems
- Pleated filter, screen with bonded rubber end seals
- 3 1/4 inch long x 2 7/8 inch diameter
- Replace at least every 500 flight hours, annually, or with each dry air pump change, whichever comes first.

PSS-KT-34B SEAL KIT, Piper Strut | McFarlane Aviation, Inc.
6656-120 Brownline Seat Track, 120", Anodized, McFarlane | 6656120
S272-220 Cessna Ball, FAA-TC Approved | S272220
RA1J7-1 Rapco Pneumatic Central Air Filter Assembly FAA-PMA Replacement | Airborne 1J7-1 