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
209727	Valve Seats	—	—	85	Engine Accessories	OEM
20990	Carburetor (MA-3SPA Type)	—	—	85	Engine Accessories	OEM
210155021	CASE	Honeywell	—	85	unknown	OEM
2102160801	HOUSING ASSY	—	PA-31 Navajo	85	unknown
210226	Valve Seats	—	—	85	Engine Accessories	OEM
2106-10.50	Bolt, Thru, 7/16-20 x 6-3/16	Ram Aircraft Limited Partnership	—	85	Consumables / Hardware	PMA
2106-5.31	Bolt, Thru, 7/16-20 x 5-5/16	Ram Aircraft Limited Partnership	—	85	Consumables / Hardware	PMA
2107-10.94	Bolt, Thru, .50-20 x 10.94	Ram Aircraft Limited Partnership	—	85	Consumables / Hardware	PMA
2107-5.50	Bolt, Thru, .50-20 x 5.50	Ram Aircraft Limited Partnership	—	85	Consumables / Hardware	PMA
2107-6.75	Bolt, Thru, .50-20 x 6.75	Ram Aircraft Limited Partnership	—	85	Consumables / Hardware	PMA
2107-9.81	Bolt, Thru, .50-20 x 9.81	Ram Aircraft Limited Partnership	—	85	Consumables / Hardware	PMA
2108	Bushing, Rocker Arm	—	King Air 90 AN-2	85	Engine Accessories	OEM
2108-10.44	Bolt, Thru, 3/8-24 x 10-7/16	Ram Aircraft Limited Partnership	—	85	Consumables / Hardware	PMA
2108-12.14	Bolt, Thru, .38-24 x 12.14	Ram Aircraft Limited Partnership	—	85	Consumables / Hardware	PMA
21118	Carburetor (MA-3A Type)	—	—	85	Engine Accessories	OEM
21130	VALVE GUIDE	—	C150	85	Engine Accessories	OEM
21153	SCREW	—	C150	85	unknown	OEM
21185	Hose, -Connector	—	—	85	Engine Accessories	OEM
21185	Hose, -Connector	—	—	85	Engine Accessories	OEM
21208A2	HOUSING	—	Bell 212	85	unknown
212359	CYLINDER	—	Bell 212	85	Engine Accessories	OEM
21243	Carburetor (MA-3A Type)	—	—	85	Engine Accessories	OEM
212734	SCAVENGE PUMP	PWA	Douglas DC-6	85	Engine Accessories	OEM
21284	Housing, Pushrod	—	—	85	Engine Accessories	OEM
21284	Housing, Pushrod	—	—	85	Engine Accessories	OEM
21284 P05	Housing, Pushrod	—	—	85	Engine Accessories	OEM
21284 P05	Housing, Pushrod	—	—	85	Engine Accessories	OEM
2129	Roller-Valve Tappet	Air Repair Inc	—	85	Engine Accessories	PMA
21361	VALVE KEEPER	—	C150	85	Engine Accessories	PMA
214487	Valve Seats	—	—	85	Engine Accessories	OEM
21477	Packing, Cylinder Base	—	—	85	Engine Accessories	OEM
21477	Packing, Cylinder Base	—	—	85	Engine Accessories	OEM
21479	VALVE	—	Bell 214	85	unknown	OEM
21502	SEAL	—	—	85	Consumables / Hardware	PMA
2155026-7	BAFFLE ASSY.	—	C206 Stationair	85	Engine Accessories	OEM
215P6311018	LINE	—	—	85	unknown	OEM
21609	Plunger Unit	—	—	85	Engine Accessories	OEM
21609	Plunger Unit	—	—	85	Engine Accessories	OEM
21713T009	HOSE	—	—	85	unknown	OEM
2176-200N PMA	gasket-wastegate	other	—	85	Engine Accessories	PMA
21932	PICK-UP TUBE	—	—	85	Fuel Systems	OEM
21935	ROCKER ARM	—	C172 Skyhawk	85	unknown
22087672D	CRANKSHAFT	—	—	85	Engine Accessories	PMA
22209	Oil Control Ring	—	—	85	Engine Accessories	OEM
222490	PINION GEAR	—	—	85	Consumables / Hardware	OEM
22250	GASKET	—	C172 Skyhawk	85	Consumables / Hardware	OEM
223113	ROCKER ASSY	—	Douglas DC-6	85	unknown	OEM
22355	GEAR	—	C150	85	unknown	OEM
223987	CASE	PWA	Douglas DC-6	85	Engine Accessories	OEM
22446	Gasket, Rocker Scavenge Pump	Air Repair Inc	—	85	Engine Accessories	PMA