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
636242P030	guidevalve	teledyne continental	—	85	Engine Accessories	OEM
636687	screw type b 6	teledyne continental	—	85	Consumables / Hardware	OEM
636695	Cylinder Assy.	—	—	85	Engine Accessories	OEM
636695	Cylinder Assy.	—	—	85	Engine Accessories	OEM
636696	Cylinder Assy.	—	—	85	Engine Accessories	OEM
636696	Cylinder Assy.	—	—	85	Engine Accessories	OEM
636697	INTAKE SEAT	—	C421 Golden Eagle	85	Interior / Furnishings	PMA
636805	screw	teledyne continental	—	85	Consumables / Hardware	OEM
636916	Valve, Intake	—	—	85	Engine Accessories	OEM
636928	Ring, Compression	—	—	85	Engine Accessories	OEM
636928	Ring, Compression	—	—	85	Engine Accessories	OEM
636929	Ring, Compression	—	—	85	Engine Accessories	OEM
636929	Ring, Compression	—	—	85	Engine Accessories	OEM
637159	insert-lock .250-56x.38	teledyne continental	—	85	Consumables / Hardware	OEM
637269	Plunger Unit	—	—	85	Engine Accessories	OEM
637269	Plunger Unit	—	—	85	Engine Accessories	OEM
637277-2	O-Ring	—	—	85	Consumables / Hardware	OEM
637277-2	O-Ring	—	—	85	Consumables / Hardware	OEM
637374-1	Turbocharger	—	—	85	Engine Accessories	OEM
637781	EXHAUST VALVE	CONT	C206 Stationair C340+5	85	Engine Accessories	OEM
637784	Plate	—	—	85	Engine Accessories	OEM
637784	Plate	—	—	85	Engine Accessories	OEM
637817AC	bearing ball	teledyne continental	—	85	Engine Accessories	OEM
637832	DOWEL	—	C150	85	Engine Accessories	PMA
637836	VALVE SPRING	—	C404 Titan C421 Golden Eagle	85	Engine Accessories	PMA
637837	VALVE SPRING	—	C310 C414+2	85	Engine Accessories	PMA
637855	gasket	teledyne continental	—	85	Consumables / Hardware	OEM
638109	Ring, Compression	—	—	85	Engine Accessories	OEM
638109	Ring, Compression	—	—	85	Engine Accessories	OEM
638109P005	Piston Ring	—	—	85	Engine Accessories	OEM
638109P015	Piston Ring	—	—	85	Engine Accessories	OEM
63811	Ring Assembly, Oil Control, Chrome Plated	—	—	85	Engine Accessories	OEM
63811	Ring Assembly, Oil Control, Chrome Plated	—	—	85	Engine Accessories	OEM
638110P005	Piston Ring	—	—	85	Engine Accessories	OEM
638110P015	Piston Ring	—	—	85	Engine Accessories	OEM
638111 &640298	Ring, Piston	—	—	85	Engine Accessories	OEM
638111 P05	Ring, Oil Control	—	—	85	Engine Accessories	OEM
638111 P05	Ring, Oil Control	—	—	85	Engine Accessories	OEM
638111 P10	Ring, Oil Control	—	—	85	Engine Accessories	OEM
638111 P10	Ring, Oil Control	—	—	85	Engine Accessories	OEM
638111 P15	Ring, Oil Control	—	—	85	Engine Accessories	OEM
638111 P15	Ring, Oil Control	—	—	85	Engine Accessories	OEM
638111P005	ring	teledyne continental	—	85	Consumables / Hardware	OEM
638111P005 & 640298P005	Ring, Piston	—	—	85	Engine Accessories	OEM
638111P010	Ring, Oil Control	—	—	85	Engine Accessories	OEM
638111P015	Ring, Oil Control	—	—	85	Engine Accessories	OEM
638111P015 & 640298P015	Ring, Piston	—	—	85	Engine Accessories	OEM
638125	Stud, Size-on-Size Lock Ring, Captive	—	—	85	Engine Accessories	OEM
638125	Stud, Size-on-Size Lock Ring, Captive	—	—	85	Engine Accessories	OEM
639053	Cylinder Assy.	—	—	85	Engine Accessories	OEM