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
23411	Bushing, -Rubber Mounted	—	—	85	Engine Accessories	OEM
234220	Piston-Pin Assembly	—	—	85	Engine Accessories	OEM
234221	PISTON PIN	—	—	85	Engine Accessories	OEM
234222	Plug, Piston Pin	—	—	85	Engine Accessories	OEM
23509	CYLINDER	CONT	C150	85	Engine Accessories	OEM
23521CA1	CYLINDER	—	—	85	unknown
23524	Bearing, Crankpin	Air Repair Inc	—	85	Engine Accessories	PMA
238445 and oversizes	Piston Ring compression	—	—	85	Engine Accessories	OEM
238446	Ring, Compression	—	AN-2	85	Engine Accessories	OEM
239168R	GEAR	—	C404 Titan	85	unknown
2400925R	SADDLE	—	—	85	Structures	PMA
24024	Guide, Intake	—	—	85	Engine Accessories	OEM
24024	Guide, Intake	—	—	85	Engine Accessories	OEM
24024 P05	Guide, Intake	—	—	85	Engine Accessories	OEM
24024 P05	Guide, Intake	—	—	85	Engine Accessories	OEM
24024 P10	Guide, Intake	—	—	85	Engine Accessories	OEM
24024 P10	Guide, Intake	—	—	85	Engine Accessories	OEM
24024 P15	Guide, Intake	—	—	85	Engine Accessories	OEM
24024 P15	Guide, Intake	—	—	85	Engine Accessories	OEM
24024 P20	Guide, Intake	—	—	85	Engine Accessories	OEM
24024 P20	Guide, Intake	—	—	85	Engine Accessories	OEM
24024 P30	Guide, Intake	—	—	85	Engine Accessories	OEM
24024 P30	Guide, Intake	—	—	85	Engine Accessories	OEM
24024P005	Guide, Intake	—	—	85	Engine Accessories	OEM
24024P010	Guide, Intake	—	—	85	Engine Accessories	OEM
24024P015	Guide, Intake	—	—	85	Engine Accessories	OEM
24024P020	Guide, Intake	—	—	85	Engine Accessories	OEM
24024P030	Guide, Intake	—	—	85	Engine Accessories	OEM
24044	RETAINER	—	—	85	Consumables / Hardware
24047	VALVE GUIDE	—	C172 Skyhawk C150	85	Engine Accessories
24047P10	Guide-Valve, Exhaust	—	—	85	Engine Accessories	OEM
24077	RETAINER	—	C172 Skyhawk	85	Consumables / Hardware	OEM
24122	BUSHING	CONT	C150	85	unknown	OEM
24225	Stud, 7/16 x 3-5/8 Long	—	King Air 90	85	Engine Accessories	OEM
24225	Stud, 7/16 x 3-5/8 Long	—	King Air 90	85	Engine Accessories	OEM
242444	Valve Seats	—	—	85	Engine Accessories	OEM
242626	Valve Seats	—	—	85	Engine Accessories	OEM
24335	Gasket, Push Rod Housing	Air Repair Inc	—	85	Engine Accessories	PMA
24335 20262	Pushrod Tube Base Gasket	—	—	85	Engine Accessories	OEM
24335 20262	Pushrod Tube Base Gasket	—	—	85	Engine Accessories	OEM
2433952	VALVE	—	—	85	unknown
243678R	GEAR	—	—	85	unknown
244757	CYLINDER	—	—	85	Hydraulics	OEM
2455041-1	ROCKER COVER BAFFLE ASSEMBLY	—	C172 Skyhawk	85	Engine Accessories	OEM
2455041-1	ROCKER COVER BAFFLE ASSEMBLY	—	C172 Skyhawk	85	Engine Accessories	OEM
24769P005	bushing-prop bolt	teledyne continental	—	85	Consumables / Hardware	OEM
24799	Retainer, Valve Spring, Inner	—	—	85	Engine Accessories	OEM
24799	Retainer, Valve Spring, Inner	—	—	85	Engine Accessories	OEM
24802	Key, Valve Spring, Outer Retainer	—	—	85	Engine Accessories	OEM
24802	Key, Valve Spring, Outer Retainer	—	—	85	Engine Accessories	OEM