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
646644S4S34.00	hose assembly	teledyne continental	—	85	Consumables / Hardware	OEM
646644S4Y13.00	hose assembly	teledyne continental	—	85	Consumables / Hardware	OEM
646644S4Y15.75	hose asm	teledyne continental	—	85	Consumables / Hardware	OEM
646644S4Y18.00	hose assembly	teledyne continental	—	85	Consumables / Hardware	OEM
646644S4Y39.00	hose assembly	teledyne continental	—	85	Consumables / Hardware	OEM
646644S4Y5.00	hose asm	teledyne continental	—	85	Consumables / Hardware	OEM
646644S4Y7.50	hose assembly	teledyne continental	—	85	Engine Accessories	OEM
646644S6R23.50	hose assembly	teledyne continental	—	85	Consumables / Hardware	OEM
646644S6R8.20	hose assembly	teledyne continental	—	85	Engine Accessories	OEM
646644S6S13.75	hose asm	teledyne continental	—	85	Consumables / Hardware	OEM
646644S6S27.00	hose asm	teledyne continental	—	85	Consumables / Hardware	OEM
646644S6S36.00	hose asm	teledyne continental	—	85	Consumables / Hardware	OEM
646644S6Y14.00	hose assembly	teledyne continental	—	85	Consumables / Hardware	OEM
646644S6Y15.00	hose asm	teledyne continental	—	85	Consumables / Hardware	OEM
646644S6Y17.00	hose assembly	teledyne continental	—	85	Consumables / Hardware	OEM
646644S6Y26.50	hose assembly	teledyne continental	—	85	Engine Accessories	OEM
646644S6Y7.75	hose assembly	teledyne continental	—	85	Consumables / Hardware	OEM
646644S8R10.00	hose assembly	teledyne continental	—	85	Consumables / Hardware	OEM
646644S8S29.00	hose asm	teledyne continental	—	85	Consumables / Hardware	OEM
646644S8Y41.00	hose assembly	teledyne continental	—	85	Consumables / Hardware	OEM
646644Y10YA26	hose	teledyne continental	—	85	Engine Accessories	OEM
646644Y4YG18.0	hose asm	teledyne continental	—	85	Engine Accessories	OEM
646644Y8Y18.00	hose assembly	teledyne continental	—	85	Consumables / Hardware	OEM
646652	CYLINDER	—	C210 Centurion	85	Hydraulics	OEM
646652A1	CYLINDER	—	C402	85	Hydraulics	OEM
646652CE-A6	cyl kit	teledyne continental	—	85	Engine Accessories	OEM
646652CE-A7	cyl kit	teledyne continental	—	85	Engine Accessories	OEM
646652CE-A8	cyl kit	teledyne continental	—	85	Engine Accessories	OEM
646657	CYLINDER HEAD	—	C206 Stationair C185 Skywagon+2	85	Engine Accessories	PMA
646657A2	CYLINDER HEAD	CONT	C206 Stationair C310+2	85	Engine Accessories	OEM
646657CE-A4BP	cyl kit	teledyne continental	—	85	Engine Accessories	OEM
646657CE-A5BP	cyl kit	teledyne continental	—	85	Engine Accessories	OEM
646657CE-A8	cyl kit	teledyne continental	—	85	Engine Accessories	OEM
646657CEA4	CYLINDER	—	C206 Stationair	85	unknown
646657CEA5	CYLINDER	—	C402	85	Hydraulics	PMA
646657CEA7	CYLINDER	—	C340 Saab 340	85	Engine Accessories	PMA
646678	GUIDE SEAL	—	PA-34 Seneca M20K	85	Consumables / Hardware
646680	CYLINDER HEAD	CONT	C182 Skylane	85	Engine Accessories	OEM
646680CE-A5	cyl kit	teledyne continental	—	85	Engine Accessories	OEM
646680CE-A8	kit	teledyne continental	—	85	Engine Accessories	OEM
646680CE-A9	cyl kit	teledyne continental	—	85	Engine Accessories	OEM
646680CP	CYLINDER	—	C182 Skylane	85	unknown
646680CP When used in Cylinder and Valve Assembly 646680CP-A3	Cylinder Assembly, Short Reach, Chrome Plated	—	—	85	Engine Accessories	OEM
646680CP When used in Cylinder and Valve Assembly 646680CP-A3	Cylinder Assembly, Short Reach, Chrome Plated	—	—	85	Engine Accessories	OEM
646681P030	vlv guide 1-12	teledyne continental	—	85	Engine Accessories	OEM
646683	CRANKSHAFT	—	C210 Centurion	85	unknown
6466R	VALVE	—	C150	85	unknown
646721	sheave	teledyne continental	—	85	Engine Accessories	OEM
646743	PISTON	CONT	PA-34 Seneca M20K	85	Engine Accessories	OEM
646743P015	Piston	—	—	85	Engine Accessories	OEM