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
72057 P05	Insert, Intake Valve Seat	—	—	85	Engine Accessories	OEM
72057 P10	Insert, Exhaust Valve Seat	—	—	85	Engine Accessories	OEM
72057 P20	Insert, Exhaust Valve Seat	—	—	85	Engine Accessories	OEM
72057 P30	Insert, Exhaust Valve Seat	—	—	85	Engine Accessories	OEM
72058	VALVE SEAT	—	C172 Skyhawk	85	unknown	OEM
72060-S	Bushing, Propeller Flange	—	—	85	Engine Accessories	OEM
72060-S	Bushing, Propeller Flange	—	—	85	Engine Accessories	OEM
72060-S P05	Bushing, Prop Flange	—	—	85	Engine Accessories	OEM
72060-S P10	Bushing, Prop Flange	—	—	85	Engine Accessories	OEM
72060-S P15	Bushing, Prop Flange	—	—	85	Engine Accessories	OEM
72060-S P20	Bushing, Prop Flange	—	—	85	Engine Accessories	OEM
72061-S	Bushing, Propeller Flange	—	—	85	Engine Accessories	OEM
72061-S	Bushing, Propeller Flange	—	—	85	Engine Accessories	OEM
72062-S	Bushing, Propeller Flange	—	—	85	Engine Accessories	OEM
72062-S	Bushing, Propeller Flange	—	—	85	Engine Accessories	OEM
72062-S P05	Bushing, Prop Flange,Long	—	—	85	Engine Accessories	OEM
72062-S P10	Bushing, Prop Flange,Long	—	—	85	Engine Accessories	OEM
72062-S P15	Bushing, Prop Flange,Long	—	—	85	Engine Accessories	OEM
72062-S P20	Bushing, Prop Flange,Long	—	—	85	Engine Accessories	OEM
72066-S	Bushing, Propeller Flange	—	—	85	Engine Accessories	OEM
72066-S	Bushing, Propeller Flange	—	—	85	Engine Accessories	OEM
72067-S	Bushing, Propeller Flange	—	—	85	Engine Accessories	OEM
72155-S	Bushing, Propeller Flange	—	—	85	Engine Accessories	OEM
72155-S P05	Bushing, Prop Flange	—	—	85	Engine Accessories	OEM
72155-S P10	Bushing, Prop Flange	—	—	85	Engine Accessories	OEM
72155-S P15	Bushing, Prop Flange	—	—	85	Engine Accessories	OEM
72155-S P20	Bushing, Prop Flange	—	—	85	Engine Accessories	OEM
72198	PISTON PIN	LYC	Bell 206	85	Engine Accessories	OEM
72212	Insert, Valve Seat, Intake	—	—	85	Engine Accessories	OEM
72212	Insert, Valve Seat, Intake	—	—	85	Engine Accessories	OEM
72230	IDLER SHAFT	—	—	85	unknown	OEM
72242	ROCKER COVER	—	PA-31 Navajo	85	Structures	PMA
72245	SUPPORT ASSEMBLY	—	PA-32 Saratoga PA-32 Cherokee Six	85	unknown
7224Z	ROCKER BOX TAB	—	PA-31 Navajo	85	Engine Accessories	PMA
72255	TUBE	—	PA-31 Navajo	85	unknown	OEM
72257	PUSHROD	—	PA-31 Navajo	85	Flight Controls	OEM
72346	OIL SUMP	—	—	85	unknown
72452	Crankcase Assembly (Dynafocal Type 1 Mount, Narrow Deck)	—	—	85	Engine Accessories	OEM
72454	Ring Assy, Oil Control	—	—	85	Engine Accessories	OEM
72469	CRANKSHAFT	—	—	85	Engine Accessories	PMA
72495	Gear, Magneto, Non-impulse	—	—	85	Engine Accessories	OEM
72495	Gear, Magneto, Non-impulse	—	—	85	Engine Accessories	OEM
72569	Baffle Assy, Intercylinder Cooling	—	—	85	Engine Accessories	OEM
72569	Baffle Assy, Intercylinder Cooling	—	—	85	Engine Accessories	OEM
72578	Piston, 7.30 1 Comp. Ratio	—	—	85	Engine Accessories	OEM
72578	Piston, 7.30 1 Comp. Ratio	—	—	85	Engine Accessories	OEM
72626	SHAFT	LYC	C206 Stationair	85	Engine Accessories	OEM
72676	Crankcase Assembly (Dynafocal Type 1 Mount, Narrow Deck)	—	—	85	Engine Accessories	OEM
727723-11	Piston Ring	—	—	85	Consumables / Hardware	OEM
72877	CAM FOLLOWER	LYC	C172 Skyhawk C182 Skylane+2	85	Engine Accessories	OEM