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
643767 P20	Guide, Exhaust	—	—	85	Engine Accessories	OEM
643767 P20	Guide, Exhaust	—	—	85	Engine Accessories	OEM
643767 P30	Guide, Exhaust	—	—	85	Engine Accessories	OEM
643767 P30	Guide, Exhaust	—	—	85	Engine Accessories	OEM
643767P005	VALVE GUIDE	—	C182 Skylane C210 Centurion	85	Engine Accessories	OEM
643846	Pin & Plug Assembly, Piston	—	—	85	Engine Accessories	OEM
643846	Pin & Plug Assembly, Piston	—	—	85	Engine Accessories	OEM
643873	VALVE	—	C182 Skylane	85	unknown
643914	gasket	teledyne continental	—	85	Consumables / Hardware	OEM
643934-1	bushing	teledyne continental	—	85	Engine Accessories	OEM
643971 & 648007	Assembly, Oil Ring	—	—	85	Engine Accessories	OEM
643971 & 648007	Assembly, Oil Ring	—	—	85	Engine Accessories	OEM
643971 P05	Ring, Assembly	—	—	85	Engine Accessories	OEM
643971 P05	Ring, Assembly	—	—	85	Engine Accessories	OEM
643971 P05 & 648007 P05	Assembly, Oil Ring	—	—	85	Engine Accessories	OEM
643971 P05 & 648007 P05	Assembly, Oil Ring	—	—	85	Engine Accessories	OEM
643971 P10	Ring, Assembly	—	—	85	Engine Accessories	OEM
643971 P10	Ring, Assembly	—	—	85	Engine Accessories	OEM
643971 P10 & 648007 P10	Assembly, Oil Ring	—	—	85	Engine Accessories	OEM
643971 P10 & 648007 P10	Assembly, Oil Ring	—	—	85	Engine Accessories	OEM
643971 P15	Ring, Assembly	—	—	85	Engine Accessories	OEM
643971 P15	Ring, Assembly	—	—	85	Engine Accessories	OEM
643971 P15 & 648007 P15	Assembly, Oil Ring	—	—	85	Engine Accessories	OEM
643971 P15 & 648007 P15	Assembly, Oil Ring	—	—	85	Engine Accessories	OEM
643985	Cylinder Assy.	—	—	85	Engine Accessories	OEM
643985	Cylinder Assy.	—	—	85	Engine Accessories	OEM
643986	Crankcase, Stud Assembly	—	—	85	Engine Accessories	OEM
643986	Crankcase, Stud Assembly	—	—	85	Engine Accessories	OEM
643989	CRANKCASE	—	C210 Centurion	85	unknown	OEM
643998	elbow asm-int man tube	teledyne continental	—	85	Engine Accessories	OEM
64602 & 648005	Half Keystone Compression Ring	—	—	85	Engine Accessories	OEM
64602 & 648005	Half Keystone Compression Ring	—	—	85	Engine Accessories	OEM
64602 P05 & 648005 P05	Half Keystone Compression Ring	—	—	85	Engine Accessories	OEM
64602 P05 & 648005 P05	Half Keystone Compression Ring	—	—	85	Engine Accessories	OEM
64602 P10 & 648005 P10	Half Keystone Compression Ring	—	—	85	Engine Accessories	OEM
64602 P10 & 648005 P10	Half Keystone Compression Ring	—	—	85	Engine Accessories	OEM
64602 P15 & 648005 P15	Half Keystone Compression Ring	—	—	85	Engine Accessories	OEM
64602 P15 & 648005 P15	Half Keystone Compression Ring	—	—	85	Engine Accessories	OEM
646020	HOSE ELBOW	—	C414	85	unknown
646032	RETAINER	ECI	C421 Golden Eagle M20K	85	Engine Accessories	unknown
646033	tube asm	teledyne continental	—	85	Consumables / Hardware	OEM
646100	CYLINDER	—	C404 Titan	85	Hydraulics	OEM
646100A1	CYLINDER	—	C404 Titan	85	Hydraulics	OEM
646101	Cylinder Assy.	—	—	85	Engine Accessories	OEM
646101	Cylinder Assy.	—	—	85	Engine Accessories	OEM
646101CN	CYLINDER	—	C421 Golden Eagle	85	Engine Accessories	OEM
646102	Cylinder Assy.	—	—	85	Engine Accessories	OEM
646102	Cylinder Assy.	—	—	85	Engine Accessories	OEM
646140	7/16-14 x 7/16-20 Necked Stud	—	—	85	Engine Accessories	OEM
646140	7/16-14 x 7/16-20 Necked Stud	—	—	85	Engine Accessories	OEM