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
648009	Piston Ring, Compression, 5.00 x .0955	—	—	85	Engine Accessories	OEM
648009 P15	Piston Ring Top Groove	—	—	85	Engine Accessories	OEM
648009 P15	Piston Ring Top Groove	—	—	85	Engine Accessories	OEM
648009 P5	Piston Ring Top Groove	—	—	85	Engine Accessories	OEM
648009 P5	Piston Ring Top Groove	—	—	85	Engine Accessories	OEM
648009CP	Ring, Compression	—	—	85	Engine Accessories	OEM
648009CP	Ring, Compression	—	—	85	Engine Accessories	OEM
648009P005	Piston Ring Top Groove	—	—	85	Engine Accessories	OEM
648009P015	Piston Ring Top Groove	—	—	85	Engine Accessories	OEM
648011P005	piston rin	teledyne continental	—	85	Consumables / Hardware	OEM
648013	Piston	—	—	85	Engine Accessories	OEM
648013	Piston	—	—	85	Engine Accessories	OEM
648013 P10	Piston	—	—	85	Engine Accessories	OEM
648013 P10	Piston	—	—	85	Engine Accessories	OEM
648013 P15	Piston	—	—	85	Engine Accessories	OEM
648013 P15	Piston	—	—	85	Engine Accessories	OEM
648013P010	Piston	—	—	85	Engine Accessories	OEM
648013P015	Piston	—	—	85	Engine Accessories	OEM
648014	VALVE GUIDE	—	C182 Skylane	85	Engine Accessories	OEM
648028	Piston 5.0 Dia., 8 1 comp. ratio	—	—	85	Engine Accessories	OEM
648028	Piston 5.0 Dia., 8 1 comp. ratio	—	—	85	Engine Accessories	OEM
648029	PISTON	—	—	85	Engine Accessories	PMA
6480291	PISTON	—	C182 Skylane	85	unknown
648029P015	PISTON	—	C182 Skylane	85	unknown
648033	Piston, 5.25 Dia.	—	—	85	Engine Accessories	OEM
648033	Piston, 5.25 Dia.	—	—	85	Engine Accessories	OEM
648039	Ring, Piston, Compression	—	—	85	Engine Accessories	OEM
648039	Ring, Piston, Compression	—	—	85	Engine Accessories	OEM
648039P015	ring	teledyne continental	—	85	Consumables / Hardware	OEM
648041CP	Ring, Oil Control	—	—	85	Engine Accessories	OEM
648041CP	Ring, Oil Control	—	—	85	Engine Accessories	OEM
648042	PISTON RING	—	PA-34 Seneca	85	Engine Accessories	PMA
648044	PISTON	—	C210 Centurion	85	Engine Accessories	OEM
648045	PISTON	—	C206 Stationair C210 Centurion	85	unknown
648049	PISTON	—	C337 Skymaster	85	unknown
648050P005	ring asm-piston	teledyne continental	—	85	Engine Accessories	OEM
648168	VALVE GUIDE	—	C182 Skylane	85	Engine Accessories	OEM
649-392-510-0	Gasket	—	—	85	Consumables / Hardware	OEM
649-392-510-0	Gasket	—	—	85	Consumables / Hardware	OEM
649-395-087-0	Ring-Piston	—	—	85	Engine Accessories	OEM
649043	CRANKCASE	—	—	85	unknown	OEM
649044	Piston 5.0 Dia., 7.1 1 comp. ratio	—	—	85	Engine Accessories	OEM
649044	Piston 5.0 Dia., 7.1 1 comp. ratio	—	—	85	Engine Accessories	OEM
649076-2	bearing asm-1st stage	teledyne continental	—	85	Engine Accessories	OEM
649130	CRANKSHAFT	—	C185 Skywagon	85	Engine Accessories	PMA
649133	CRANKSHAFT	—	C182 Skylane	85	Engine Accessories	OEM
649134	CRANKSHAFT	CONT	C206 Stationair C180+2	85	Engine Accessories	OEM
649134SP	CRANKSHAFT	—	C188 AgWagon	85	Engine Accessories
649138R	crankshaft and damper asm	teledyne continental	—	85	Engine Accessories	OEM
649141	CRANKSHAFT	—	C180	85	Engine Accessories