Description
Cirrus Aircraft 18052-302 Cap — Glycol Filler Cap
Glycol filler cap, quantity 1. Cirrus's ordering portal lists 18052-302 as CAP with the description “Glycol Filler Cap”. The Cirrus parts catalog lists the part number in the FIKI ice protection installation (IPC 30-07-01) as LOCKING CENTER, FILLER CAP, shown next to the riveted filler cap nut 18052-103. Confirm what is included against your IPC.
Fit, per the Cirrus Illustrated Parts Catalog:
- FIKI ice protection (IPC 30-07-01): SR22 serials 4261 and up, SR22T serials 1171 and up
- FIKI ice protection (IPC 30-07-01, later installation): SR22 serials 4435 and up, SR22T serials 1473 and up
TKS filters: Cirrus's maintenance manual (05-10) schedules replacement of the ice protection system filter every 1,200 hours or 2 years, whichever comes first. Filter elements: 26115-101 (Basic and Basic² systems; FIKI SR22 3403–3850 and SR22T 0001–0315) and 21986-203 (FIKI SR22 3851 and up, SR22T 0316 and up).
Serial ranges are transcribed from the Cirrus IPC. Confirm your aircraft's serial number, installed equipment and service bulletin compliance against current Cirrus documents before ordering.
Reference only — not a maintenance authority. The part numbers, effectivity and service bulletin references shown above are published as an aid to our customers and may not reflect current Cirrus data. They must not be used as the basis for installation. Mechanics must obtain and use their own current Cirrus Illustrated Parts Catalog and the current revision of any service bulletin, and must verify applicability against the aircraft serial number, service bulletin compliance and any installed STCs, before ordering or installing any part.
