ATA 85 — Reciprocating Engine

20,859 parts classified under this chapter

Reliability rollup

91%Median scrap propensity

2,637 parts · 5,796 SDR reports

From FAA Service Difficulty Reports

Part Number	Description	Manufacturer	Airframe	ATA	Category	Status
40644	MAIN BEARING	—	—	85	unknown
40651	Valve, Exhaust	—	—	85	Engine Accessories	OEM
40651	Valve, Exhaust	—	—	85	Engine Accessories	OEM
40652	Valve, Intake	—	—	85	Engine Accessories	OEM
40652	Valve, Intake	—	—	85	Engine Accessories	OEM
406610-0019	turbocharger	teledyne continental	—	85	Engine Accessories	OEM
406610-0020	Turbocharger	Honeywell	—	85	Engine Accessories	PMA
406610-0026	Turbocharger	Honeywell	—	85	Engine Accessories	PMA
406610-0029	turbocharger	teledyne continental	—	85	Engine Accessories	OEM
406610-4	turbo charger	teledyne continental	—	85	Engine Accessories	OEM
406610-9019	turbo te0659rger units	other	—	85	Engine Accessories	OEM
406610-9020 -29	modify teledyne cont io 520 b ba bb...	teledyne continental	—	85	Engine Accessories	OEM
406610-9020 (-29)	Modify Teledyne Cont. IO-520-B, BA, BB to install an Airesearch 406610-9020 (-29) Turbocharger and intercooler	Flitecraft Turbo	—	85	Engine Accessories	PMA
40698	PISTON	—	—	85	Engine Accessories
406990-4	turbo charger	teledyne continental	—	85	Engine Accessories	OEM
407169-0007	housing turbine	kelly aero power	Bell 407	85	Engine Accessories	OEM
407339-0000	plate lock	kelly aero power	Bell 407	85	Engine Accessories	OEM
40744	Connecting Rod Assy	—	—	85	Engine Accessories	OEM
40744	Connecting Rod Assy	—	—	85	Engine Accessories	OEM
407540-0003	Turbocharger	Honeywell	—	85	Engine Accessories	PMA
40762	COVER	—	C172 Skyhawk Bell 407	85	unknown	OEM
407737-0001	shroud wheel	kelly aero power	Bell 407	85	Engine Accessories	OEM
408045-00.4	backplate assembly	kelly aero power	—	85	Engine Accessories	OEM
408119904	GEAR	—	—	85	unknown	OEM
408590-0002	turbocharger	teledyne continental	—	85	Engine Accessories	OEM
408610-0001	turbocharger	teledyne continental	—	85	Engine Accessories	OEM
40933	CYLINDER HEAD	—	C206 Stationair	85	unknown	OEM
4100A	crankcase assembly main complete	jacobs	—	85	Engine Accessories	OEM
4100B	crankcase assembly main front and r...	jacobs	—	85	Engine Accessories	OEM
4109	STUD	—	—	85	unknown	OEM
415828	Cylinder Head	Design Engineering	—	85	Engine Accessories	PMA
415828P20	Front cylinder head	Design Engineering	—	85	Engine Accessories	PMA
415832	Cylinder Assembly	Design Engineering	—	85	Engine Accessories	PMA
415832P20	Rear cylinder head	Design Engineering	—	85	Engine Accessories	PMA
41594-02	Baffle Assy.	—	PA-31 Navajo	85	Engine Accessories	OEM
41607-13	Baffle Assy.	—	PA-31 Navajo	85	Engine Accessories	OEM
41607-13	Baffle Assy.	—	PA-31 Navajo	85	Engine Accessories	OEM
416453	PUSHROD	—	—	85	unknown	OEM
41696	TUBE	—	—	85	unknown
41974-07	Baffle Assy.	—	PA-31 Navajo	85	Engine Accessories	OEM
41A21926	LINE	—	PA-32 Saratoga	85	unknown
4224837	LINK ROD	—	—	85	unknown	OEM
4276	Piston	—	—	85	Engine Accessories	OEM
4276	Piston	—	—	85	Engine Accessories	OEM
4276-R	piston	jacobs	—	85	Engine Accessories	OEM
4276C	Piston	—	—	85	Engine Accessories	OEM
4276C	Piston	—	—	85	Engine Accessories	OEM
4290	Piston	Air Repair Inc	—	85	Engine Accessories	PMA
4292	Oil Control Ring	Air Repair Inc	—	85	Engine Accessories	PMA
4300C	CYLINDER	—	C195	85	Hydraulics	PMA