The U.S. aircraft register, updated daily
Parts

Seat Heater

No failure report names the seat heater. 2 FAA approvals let 2 companies make a replacement seat heater, F Atlee Dodge Aircraft Svc holding the most (1).

Approved replacement parts 2 parts manufacturer approvals

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

For these models most: Piper PA-18 Super Cub (2).

MakerPartReplacesFitsGrantedStatus
F Atlee Dodge Aircraft Services LLCRear Seat Heater 3175Modification PartPiper PA-18, PA-18S, PA-18 1502005-10-13current
F Atlee Dodge Aircraft SvcRear Seat Heater 3175NonePiper PA-18, PA-18S, PA-18"105"(Special)1997-11-03current

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.