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
632485	PUSH TUBE	—	—	85	Flight Controls
632491	Piston	—	—	85	Engine Accessories	OEM
632491	Piston	—	—	85	Engine Accessories	OEM
632563	PUMP	—	C182 Skylane	85	Hydraulics	OEM
632585	PISTON	—	C421 Golden Eagle	85	Hydraulics	PMA
632612	GEARS	—	—	85	unknown
632617	BEVEL GEAR	CONT	C337 Skymaster	85	Engine Accessories	OEM
632623	PUMP	—	C404 Titan	85	unknown
632763	elbow	teledyne continental	—	85	Consumables / Hardware	OEM
632799	DRIVE SHAFT	—	C421 Golden Eagle	85	unknown	OEM
632801	PICK UP	—	C421 Golden Eagle	85	Instruments	PMA
632856	PUMP	—	C206 Stationair	85	Hydraulics	OEM
632857	MAIN BEARING	—	PA-28 Cherokee PA-34 Seneca	85	Engine Accessories
632878	PACKING	—	PA-28 Cherokee	85	Consumables / Hardware	OEM
632893	GEAR	—	C402	85	unknown	OEM
632932	Piston	—	—	85	Engine Accessories	OEM
632932	Piston	—	—	85	Engine Accessories	OEM
632941F	CONNECTING ROD	—	C185 Skywagon	85	Engine Accessories
632953	Cylinder Assy.	—	—	85	Engine Accessories	OEM
632953	Cylinder Assy.	—	—	85	Engine Accessories	OEM
632970	OIL PUMP	—	C340 Saab 340	85	Engine Accessories
632987-1.00	bolt	teledyne continental	—	85	Consumables / Hardware	OEM
633106	LIFTER	—	M20K	85	unknown	OEM
633106R	hyd lftr asm	teledyne continental	—	85	Engine Accessories	OEM
633129	BRACKET	—	C340	85	unknown	OEM
633141	Bearing, Thrust	—	—	85	Engine Accessories	OEM
633141	Bearing, Thrust	—	—	85	Engine Accessories	OEM
633189	PLUG	CONT	C206 Stationair	85	Engine Accessories	OEM
633258	CRANKSHAFT	—	—	85	Engine Accessories
633342-5	key	teledyne continental	—	85	Consumables / Hardware	OEM
633398	Bearing	—	—	85	Consumables / Hardware	OEM
633398	Bearing	—	—	85	Consumables / Hardware	OEM
633400	BOSS	—	C421 Golden Eagle	85	unknown	OEM
633403	CONNECT ROD	—	C206 Stationair	85	Engine Accessories	OEM
633412	SUMP	—	C206 Stationair	85	unknown	OEM
633529P010	insert	teledyne continental	—	85	Engine Accessories	OEM
633583	ferrule	teledyne continental	—	85	Consumables / Hardware	OEM
633609-7	Bearing, Needle	—	—	85	Engine Accessories	OEM
633609-9	Bearing, Needle	—	—	85	Engine Accessories	OEM
633620	CRANKSHAFT	—	C340 Fokker 50	85	Engine Accessories
633728	INTAKE TUBE	—	C421 Golden Eagle	85	Engine Accessories	PMA
633751	Cover, Adapter	—	—	85	Engine Accessories	OEM
633767	Breather Assy	—	—	85	Engine Accessories	OEM
633767	Breather Assy	—	—	85	Engine Accessories	OEM
633821	TUBE	—	—	85	unknown	OEM
633836	Ring, Compression	—	—	85	Engine Accessories	OEM
633836	Ring, Compression	—	—	85	Engine Accessories	OEM
633908	SHAFT	—	C421 Golden Eagle	85	unknown	OEM
633945	MANIFOLD	—	C421 Golden Eagle	85	unknown
633959-2	nut	teledyne continental	—	85	Consumables / Hardware	OEM