The U.S. aircraft register, updated daily
Parts

Gasket Heater

No failure report names the gasket heater. 9 FAA approvals let 2 companies make a replacement gasket heater, Cox and Company INC holding the most (8).

Approved replacement parts 9 parts manufacturer approvals

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

For these models most: Douglas DC-8 (3), Boeing 747 (2), Mcdonnell Douglas MD-11 (1), Mcdonnell Douglas DC-10 (1), Boeing 737 (1).

MakerPartReplacesFitsGrantedStatus
Cox and Company INCGasket Heater 217410-60795-1The Boeing Company. 7472018-08-02current
Transdigm INC, Adel Wiggins GroupGasket Heater Parts As Listed Per Dwg...Modification PartBoeing 737-100, -200, -3001998-05-20current
Cox and Company INCGasket Heater 2432McDonnell Douglas MD-11, MD-11F1992-09-01current
Cox and Company INCGasket Heater 21742174 Rev CThe Boeing Company 747-400 Series1989-04-10current
Cox and Company INCGasket Heater 22912291McDonnell Douglas DC-81982-02-17current
Cox and Company INCGasket Heater 22512251McDonnell Douglas DC-81982-02-17current
Cox and Company INCGasket Heater 22502250McDonnell Douglas DC-81982-02-17current
Cox and Company INCGasket Heater 24322432McDonnell Douglas DC-101981-11-24current
Cox and Company INCGasket Heater, Toilet Drain 22722272The Boeing Company 720 (all)1981-11-02current

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.