ATA 74 — Ignition

14,437 parts classified under this chapter

Reliability rollup

100%Median scrap propensity

1,005 parts · 3,179 SDR reports

From FAA Service Difficulty Reports

Part Number	Description	Manufacturer	Airframe	ATA	Category	Status
07-20494	Hartzell KA1K009 Clamp Kit 6 Cylinder	Kelly Aero	—	74	Consumables / Hardware	PMA
07-20727	4775-E Lasar Magneto	—	—	74	Engine Accessories
07-20836	Limited Authority Spark Advance Regulator Controller LC-1011- 04-E	—	—	74	Electromechanical	PMA
07-21634	Lycoming 66A21765 Magneto (S4Lsc-21)	—	—	74	Engine Accessories
07-21635	Lycoming 66A21767 Magneto (S4Rsc-21)	—	—	74	Engine Accessories
07-21636	Lycoming 67W26289-101 Spark Plug Wire	—	—	74	Engine Accessories	OEM
07-21637	Lycoming 67W26289-250 Spark Plug Wire	—	—	74	Engine Accessories	OEM
07-21638	Lycoming 67W26289-330 Spark Plug Wire	—	—	74	Engine Accessories	OEM
07-24751	Hartzell CD22030S Spark Plug Assembly	—	—	74	Engine Accessories
07-24831	Hartzell 21386A, Mount, Ignition Base	—	—	74	Engine Accessories
07-24843	Hartzell 93C31S Ignition Coil	—	—	74	Engine Accessories
07-24857	Hartzell 22080S Spark Plug Assembly	—	—	74	Engine Accessories
07-24859	Hartzell CD22040S Spark Plug Assembly	—	—	74	Engine Accessories
07-24860	Hartzell CD22070S Spark Plug Assembly	—	—	74	Engine Accessories
07-24873	Hartzell CD31111S Spark Plug Assembly	—	—	74	Engine Accessories
07-24874	Hartzell 12C31, Gage, Spark Plug	—	—	74	Engine Accessories
07-24875	Hartzell CD40700S Spark Plug	—	—	74	Engine Accessories
07-24878	Hartzell C02C12, Spark Plug	—	—	74	Engine Accessories
07-24925	Hartzell 90E12-2, Ignition Unit, 12 V	—	—	74	Engine Accessories
07-24938	Hartzell CD31104S Ignition, Complete	—	—	74	Engine Accessories
07-25424	Lycoming 66K4A3Sn-01 EIS Electronic Ignition System	SureFly	—	74	Engine Accessories
07-25425	Lycoming 66K4A3Sn-02 EIS Electronic Ignition System	SureFly	—	74	Engine Accessories
07-25426	Lycoming 66K4F3Sn-01 EIS Electronic Ignition System	SureFly	—	74	Engine Accessories
07-25427	Lycoming 66K4F3Sn-02 EIS Electronic Ignition System	SureFly	—	74	Engine Accessories
07-25428	Lycoming 66K6D3Sn-01 EIS Electronic Ignition System	SureFly	—	74	Engine Accessories
07-25429	Lycoming 66K6D3Sn-02 EIS Electronic Ignition System	SureFly	—	74	Engine Accessories
07-25430	Lycoming 66K6D3Sn-03 EIS Electronic Ignition System	SureFly	—	74	Engine Accessories
07-25431	Lycoming 66K6D3Sn-04 EIS Electronic Ignition System	SureFly	—	74	Engine Accessories
07-25433	Lycoming 66K4A3Sn-04 EIS Electronic Ignition System	SureFly	—	74	Engine Accessories
07-25668	TCM Ignition Magneto Rebuilt Exhange BL51360-37	—	—	74	Engine Accessories
07-25726	PowerUp Magneto 4 Cylinder Slick - New - ES4301	PowerUp	—	74	Engine Accessories
07-25727	PowerUp Magneto 4 Cylinder Slick - New - ES4302	PowerUp	—	74	Engine Accessories
07-25728	PowerUp Magneto 4 Cylinder Slick - New - ES4309	PowerUp	—	74	Engine Accessories
07-25729	PowerUp Magneto 4 Cylinder Slick - New - ES4310	PowerUp	—	74	Engine Accessories
07-25730	PowerUp Magneto 4 Cylinder Slick - New - ES4330	PowerUp	—	74	Engine Accessories
07-25731	PowerUp Magneto 4 Cylinder Slick - New - ES4333	PowerUp	—	74	Engine Accessories
07-25732	PowerUp Magneto 4 Cylinder Slick - New - ES4342	PowerUp	—	74	Engine Accessories
07-25733	PowerUp Magneto 4 Cylinder Slick - New - ES4345	PowerUp	—	74	Engine Accessories
07-25734	PowerUp Magneto 4 Cylinder Slick - New - ES4347	PowerUp	—	74	Engine Accessories
07-25735	PowerUp Magneto 4 Cylinder Slick - New - ES4348	PowerUp	—	74	Engine Accessories
07-25736	PowerUp Magneto 4 Cylinder Slick - New - ES4353	PowerUp	—	74	Engine Accessories
07-25737	PowerUp Magneto 4 Cylinder Slick - New - ES4354	PowerUp	—	74	Engine Accessories
07-25738	PowerUp Magneto 4 Cylinder Slick - New - ES4370	PowerUp	—	74	Engine Accessories
07-25739	PowerUp Magneto 4 Cylinder Slick - New - ES4371	PowerUp	—	74	Engine Accessories
07-25740	PowerUp Magneto 4 Cylinder Slick - New - ES4372	PowerUp	—	74	Engine Accessories
07-25741	PowerUp Magneto 4 Cylinder Slick - New - ES4373	PowerUp	—	74	Engine Accessories
07-25742	PowerUp Magneto 4 Cylinder Slick - New - ES4374	PowerUp	—	74	Engine Accessories
07-25743	PowerUp Magneto 4 Cylinder Slick - New - ES4381	PowerUp	—	74	Engine Accessories
07-25744	PowerUp Magneto 4 Cylinder Slick - New - ES4392	PowerUp	—	74	Engine Accessories
07-25745	PowerUp Magneto 6 Cylinder Slick - New - ES6309	Hartzell	—	74	Engine Accessories