The U.S. aircraft register, updated daily
Parts

Cover Valve

No failure report names the cover valve. 1 FAA approvals let 1 company make a replacement cover valve, Sun Air Parts holding the most (1).

Approved replacement parts 1 parts manufacturer approvals

A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a cover valve and sell it as an approved part for the models named. These are the companies holding such approvals for a cover valve:

MakerPartReplacesFitsGrantedStatus
Sun Air PartsCover-Valve Housing Oil Sump SAP26266Pratt & Whitney 26266Pratt & Whitney R-1340 Wasp Series S3H1, S1H1 and S3H1G1997-08-27current

Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.