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
75089 P10	Piston	—	—	85	Engine Accessories	OEM
75089 P20	Piston	—	—	85	Engine Accessories	OEM
75089LW11775	PISTON	—	PA-44 Seminole	85	unknown	OEM
7510	COVER PLATE	—	M20F	85	Structures	PMA
75141	SUMP	—	PA-28 Cherokee	85	unknown	OEM
75154	STUD	—	PA-28 Cherokee	85	Consumables / Hardware	OEM
75154 P03	Stud	—	—	85	Consumables / Hardware	OEM
75154 P07	Stud	—	—	85	Consumables / Hardware	OEM
75154 P12	Stud	—	—	85	Consumables / Hardware	OEM
75158	SHAFT	—	C172 Skyhawk	85	unknown
75167	OIL LINE	—	M20F	85	Engine Accessories
75167 LW-10494	Tube Assembly, Prop. Gov. Oil Line	—	—	85	Engine Accessories	OEM
75184	CYLINDER HEAD	—	PA-28 Cherokee PA-28-140	85	unknown	OEM
75186	Cylinder Assembly	—	—	85	Engine Accessories	OEM
75186	Cylinder Assembly	—	—	85	Engine Accessories	OEM
751868	CYLINDER HEAD	—	PA-23 Apache	85	unknown	OEM
75188	Barrel, Narrow-Deck	—	—	85	Engine Accessories	OEM
75190	CAMSHAFT	—	PA-23 Apache PA-24 Comanche	85	Engine Accessories	PMA
75191	CAMSHAFT	—	MD 500	85	Engine Accessories	PMA
75288	DRIVE ASSY	—	C172 Skyhawk	85	unknown
75317	Cylinder Assembly	—	—	85	Engine Accessories	OEM
75317	Cylinder Assembly	—	—	85	Engine Accessories	OEM
75359	DOWEL	—	PA-31 Navajo	85	Consumables / Hardware	unknown
75360	Cylinder Complete Assy.	—	—	85	Engine Accessories	OEM
75360	Cylinder Complete Assy.	—	—	85	Engine Accessories	OEM
75361	Cylinder Assembly	—	—	85	Engine Accessories	OEM
75361	Cylinder Assembly	—	—	85	Engine Accessories	OEM
75362	CYLINDER	—	—	85	Engine Accessories	PMA
75363	Cylinder Assembly	—	—	85	Engine Accessories	OEM
75363	Cylinder Assembly	—	—	85	Engine Accessories	OEM
75413	PISTON	LYC	C172 Skyhawk PA-28 Cherokee+1	85	Engine Accessories	OEM
75413 P10	Piston	—	—	85	Engine Accessories	OEM
75413 P20	Piston	—	—	85	Engine Accessories	OEM
75414	SUPPORT BRACKET	—	PA-31 Navajo	85	unknown	OEM
75415	Cylinder Assembly	—	—	85	Engine Accessories	OEM
75415	Cylinder Assembly	—	—	85	Engine Accessories	OEM
75456	CRANKSHAFT	—	PA-31 Navajo	85	unknown
75458	CRANKSHAFT	—	C340 PA-31 Navajo+1	85	Engine Accessories
75528	FILTER ADAPTER	—	C172 Skyhawk	85	Engine Accessories	unknown
75562	GEAR TOOTH	—	PA-31 Navajo	85	unknown
75637	COUNTER WEIGHT	—	PA-31 Navajo	85	unknown
75656-S	Bushing, Propeller Flange	—	—	85	Engine Accessories	OEM
75656-S P05	Bushing, Prop Flange,Long	—	—	85	Engine Accessories	OEM
75656-S P10	Bushing, Prop Flange,Long	—	—	85	Engine Accessories	OEM
75656-S P15	Bushing, Prop Flange,Long	—	—	85	Engine Accessories	OEM
75656-S P20	Bushing, Prop Flange,Long	—	—	85	Engine Accessories	OEM
75657-S	Bushing, Propeller Flange	—	—	85	Engine Accessories	OEM
75657-S	Bushing, Propeller Flange	—	—	85	Engine Accessories	OEM
75657-S P05	Bushing, Prop Flange, Indexing	—	—	85	Engine Accessories	OEM
75657-S P10	Bushing, Prop Flange, Indexing	—	—	85	Engine Accessories	OEM