The U.S. aircraft register, updated daily
Parts

Bushing Valve

No failure report names the bushing valve. 5 FAA approvals let 2 companies make a replacement bushing valve, Airmotive Engineering CORP holding the most (4).

Approved replacement parts 5 parts manufacturer approvals

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

MakerPartReplacesFitsGrantedStatus
Airmotive Engineering CORPBushing Valve Rocker AEL74389Lycoming 74389Lycoming IO-360-A1A, A1B, A1B62001-01-02current
Airmotive Engineering CORPBushing Valve Rocker AEL74637Lycoming 74637Lycoming HIO-360-B1A, O-340-A1A, O-540-A1A2001-01-02current
Airmotive Engineering CORPBushing- Valve Rocker AEL60398Lycoming 60398Lycoming O-235-CC1, C1B, C1C2001-01-02current
Airmotive Engineering CORPBushing Valve Rocker AEL12588Lycoming LW12588Lycoming IO-540-B1A5, B1C5, E1A52001-01-02current
Sun Air PartsBushing- Valve Rocker Shaft (Include Tab Repl) SAP91433, SAP91433P5Pratt & Whitney 91433Pratt & Whitney R-1340 Wasp Series S3H1, S1H1, S1H2 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.