ATA 85 — Reciprocating Engine

23,102 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
11-17909	TCM Camshaft Assembly Ael18840	—	—	85	Engine Accessories	OEM
110001-R	Gasket - Rocker Cover Rubber	—	—	85	—	OEM
110001-R	Gasket - Rocker Cover Rubber	—	—	85	—	OEM
110703	CYLINDER HEAD	ECI	C206 Stationair	85	Engine Accessories	PMA
1108414A	CRANKCASE	—	—	85	Engine Accessories	PMA
111071	CYLINDER	—	C185 Skywagon	85	unknown
1111-C	Packing- Push Rod Tube	—	—	85	—	OEM
1111-C	Packing- Push Rod Tube	—	—	85	—	OEM
111114	INTAKE VALVE	—	—	85	Engine Accessories	PMA
111190-14 PMA	piston scraper ring	other	—	85	Engine Accessories	OEM
1116	AIR FILTER	STRATOFLEX	C172 Skyhawk	85	Pneumatics
1119419	CYLINDER	—	—	85	unknown	OEM
1125-1	intake hose	teledyne continental	—	85	Engine Accessories	OEM
1125-2	intake hose	teledyne continental	—	85	Consumables / Hardware	OEM
1125-7	intake hose	teledyne continental	—	85	Engine Accessories	OEM
1125-7 1125-8 1125-9	intake hose	teledyne continental	—	85	Engine Accessories	OEM
112536R	CRANKSHAFT	—	C206 Stationair	85	Engine Accessories	PMA
113646	Seat, Intake Valve	—	—	85	Engine Accessories	OEM
113651	Seat, Intake Valve	—	—	85	Engine Accessories	OEM
1139	PLUNGER	—	747-100	85	unknown	OEM
114433	Cylinder	Design Engineering	—	85	Engine Accessories	PMA
114434	Cylinder	Design Engineering	—	85	Engine Accessories	PMA
114533	Cylinder	Design Engineering	—	85	Engine Accessories	PMA
114534	Cylinder	Design Engineering	—	85	Engine Accessories	PMA
114535	Cylinder	Design Engineering	—	85	Engine Accessories	PMA
114649	CYLINDER	PWA	—	85	Engine Accessories	OEM
114650	CYLINDER	—	—	85	Engine Accessories	OEM
114651	EXHAUST ROCKER	PWA	—	85	Engine Accessories	OEM
114651CP	CYLINDER	—	—	85	unknown	OEM
114652	CYLINDER	—	—	85	Hydraulics	OEM
11477	Cup, Rocker Arm, Pushrod Ball	—	King Air 90 AN-2	85	Engine Accessories	OEM
11477	Cup, Rocker Arm, Pushrod Ball	—	King Air 90 AN-2	85	Engine Accessories	OEM
1154	CRANKSHAFT	—	—	85	Engine Accessories	OEM
115721	CRANKCASE	—	C414	85	Engine Accessories	OEM
11577L	CRANKCASE	—	C414	85	Engine Accessories	PMA
1158-1	cylinder assembly	teledyne continental	—	85	Engine Accessories	OEM
1158-2 Dwg no 1158 Rev H dated 11/18/88 and any FAA approved revisions	Cylinder Assy	Ram Aircraft Limited Partnership	—	85	Engine Accessories	PMA
1158-2 Dwg No 1158 rev H, dated 11/18/88 and any FAA approved revisions	Cylinder Assy	Ram Aircraft Limited Partnership	—	85	Engine Accessories	PMA
115TA601009	BAFFLE	—	—	85	Engine Accessories	PMA
1162	CONNECTING ROD	—	C340 747-100+3	85	unknown	OEM
11621RAM	CONNECTING ROD	—	C414	85	unknown	OEM
11640	CYLINDER DAMPER	—	—	85	Hydraulics	unknown
116731	CYLINDER	PWA	—	85	Hydraulics	OEM
116731CP	CYLINDER	—	—	85	unknown
116733	CYLINDER HEAD	PWA	—	85	Engine Accessories	OEM
116733CP	CYLINDER	PWA	—	85	Hydraulics	OEM
116734	CYLINDER	—	—	85	Engine Accessories	OEM
1169-B	Gasket - Accessory Case Breather	—	—	85	—	OEM
1169-B	Gasket - Accessory Case Breather	—	—	85	—	OEM
1171+10	Bearing .9951 Dia X 1.1890 OD X 1.250 Long (Incl Tab Repl)	—	—	85	—	OEM