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
1600 and oversizes up to .020	ring compression	teledyne continental	—	85	Consumables / Hardware	OEM
1601 (and oversizes up to .020)	Ring, Compression	Airmotive Engineering Corp	—	85	Engine Accessories	PMA
1601 and oversizes up to .020	ring compression	teledyne continental	—	85	Consumables / Hardware	OEM
1608	Installation Kit No 1608	Ram Aircraft Limited Partnership	C414	85	Engine Accessories	PMA
1609	Installation Kit No1609	Ram Aircraft Limited Partnership	C414	85	Engine Accessories	PMA
1613 (and oversizes up to .020)	Ring, Compression	Airmotive Engineering Corp	—	85	Engine Accessories	PMA
1613 and oversizes up to .020	ring compression	teledyne continental	—	85	Engine Accessories	OEM
1617 (and oversizes up to .020)	Ring, Compression	Airmotive Engineering Corp	—	85	Engine Accessories	PMA
1617 and oversizes up to .020	ring compression	teledyne continental	—	85	Consumables / Hardware	OEM
1624	Ring, Compression	Airmotive Engineering Corp	—	85	Engine Accessories	PMA
1629 (and oversizes up to .005)	Ring, Scraper	Airmotive Engineering Corp	—	85	Engine Accessories	PMA
1629 and oversizes up to .005	ring scraper	teledyne continental	—	85	Consumables / Hardware	OEM
164448	STUDS	—	—	85	Consumables / Hardware	unknown
16475	CRANKCASE	PWA	—	85	Engine Accessories	OEM
16542	EXHAUST ROCKER	—	C421 Golden Eagle	85	Engine Accessories	OEM
1655-1	lifting eye	teledyne continental	—	85	Consumables / Hardware	OEM
166282	Valve guidead	Design Engineering	—	85	Engine Accessories	PMA
166313	PISTON	—	—	85	unknown
16715	Insert, Screw Thread, Spark Plug	—	—	85	Engine Accessories	OEM
16715	Insert, Screw Thread, Spark Plug	—	—	85	Engine Accessories	OEM
16812	LIFTER	—	PA-44 Seminole	85	unknown	OEM
1691111	CYLINDER HEAD	—	—	85	unknown	OEM
16991000327	HOSE	—	—	85	unknown	OEM
16A22130	CYLINDER HEAD	LYC	C182 Skylane	85	Engine Accessories	OEM
16A22541	CYLINDER	LYC	C206 Stationair	85	Engine Accessories	OEM
16A23033	CYLINDER	LYC	C152	85	Hydraulics	OEM
16A26347	CYLINDER	LYC	—	85	Engine Accessories	OEM
16A26616	CYLINDER	—	C152	85	Engine Accessories	OEM
16A3020001	CYLINDER	LYC	—	85	Engine Accessories	OEM
16B21508	Cylinder Assembly	—	—	85	Engine Accessories	OEM
16B21508	Cylinder Assembly	—	—	85	Engine Accessories	OEM
16P21710	VALVE	—	—	85	unknown	OEM
16R22126	VALVE GUIDE	LYC	C172S	85	Engine Accessories	OEM
16T19468	EXHAUST VALVE	LYC	PA-31 Navajo	85	Engine Accessories	OEM
16T19468 P05	Seat, Exhaust Valve	—	—	85	Engine Accessories	OEM
16T19468 P10	Seat, Exhaust Valve	—	—	85	Engine Accessories	OEM
16T19468 P20	Seat, Exhaust Valve	—	—	85	Engine Accessories	OEM
16T19468 P30	Seat, Exhaust Valve	—	—	85	Engine Accessories	OEM
1703322WEO	Cylinder Block And Piston Matched Set	Wencor, LLC	757-200 757-300+15	85	Engine Accessories	PMA
1705 (and oversizes up to .020)	Ring, Compression	Airmotive Engineering Corp	—	85	Engine Accessories	PMA
1705 and oversizes up to .020	ring compression	teledyne continental	—	85	Engine Accessories	OEM
170K-3-8	gasket set	other	—	85	Engine Accessories	OEM
1711 (and oversizes up to .020)	Ring, Compression	Airmotive Engineering Corp	—	85	Engine Accessories	PMA
1711 and oversizes up to .020	ring compression	teledyne continental	—	85	Consumables / Hardware	OEM
17181	Seat, Exhaust Valve	—	—	85	Engine Accessories	OEM
17181	Seat, Exhaust Valve	—	—	85	Engine Accessories	OEM
17181+20	Seat-Valve Exhaust	—	—	85	Engine Accessories	OEM
17181+5	Seat-Valve Exhaust	—	—	85	Engine Accessories	OEM
17187	SNAP RING	—	—	85	unknown
1724	Ring Assy, Oil Control	Airmotive Engineering Corp	—	85	Engine Accessories	PMA