ATA 85 — Reciprocating Engine

22,971 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
06-02793	TCM 654553 Gasket - Old Style Crankcase	—	—	85	Consumables / Hardware	OEM
06-03499	TCM Screw - Fillister Head #8-32 X 1.25 AN500-8-20	—	—	85	Consumables / Hardware	OEM
06-03501	TCM Screw - Fillister Head #8-32 X .43 AN500-8-7	—	—	85	Consumables / Hardware	OEM
061-1008-( )	Exhaust Stack Assembly	Machen, Inc.	C425 Corsair	85	Engine Accessories	PMA
063F-5001	valve assembly	kelly aero power	—	85	Engine Accessories	OEM
06A19956	SEAL	—	C172S	85	Consumables / Hardware	PMA
06A23493	Seal, Pushrod Shroud	—	—	85	—	OEM
06A23493	Seal, Pushrod Shroud	—	—	85	—	OEM
06B21326	GASKET	—	C182 Skylane	85	Consumables / Hardware	unknown
06B23072	GASKET	Piper	C172 Skyhawk PA-31 Navajo+1	85	Consumables / Hardware	OEM
06B26072	GASKET	—	PA-31 Navajo	85	Consumables / Hardware	OEM
06BI11M	LIFTER	—	PA-31 Navajo	85	unknown	OEM
07-00001	Superior Std1215 Bolt	—	—	85	Consumables / Hardware	PMA
07-03031	1102 Lycoming Plug .125 Pipe	—	—	85	Consumables / Hardware	OEM
07-03034	60072 Lycoming Piston Ring Scraper 4.375 Bore	—	—	85	Consumables / Hardware	OEM
07-03038	60903 Lycoming Tube Push Rod Shroud	—	—	85	Engine Accessories	OEM
07-03043	65614 Lycoming Plug Baffle Attaching	—	—	85	Consumables / Hardware	OEM
07-03045	Lycoming Rocker Shaft Cover Gasket 66732	—	—	85	Consumables / Hardware	OEM
07-03049	68517 Lycoming Spring	—	—	85	Engine Accessories	OEM
07-03054	69551 Lycoming Accessory Drive Adapter Gasket	—	—	85	Consumables / Hardware	OEM
07-03057	70485 Lycoming Intake Pipe TC1	—	—	85	Engine Accessories	OEM
07-03060	71699 Lycoming Intake Pipe Connection	—	—	85	Engine Accessories	OEM
07-03064	72182 Lycoming Ring	—	—	85	Consumables / Hardware	OEM
07-03068	72257 Lycoming Tube Assembly Push Rod Shroud Exh	—	—	85	Engine Accessories	OEM
07-03071	72569 Lycoming Intercylinder Baffle Assembly	—	—	85	Engine Accessories	OEM
07-03072	72710 Lycoming Valve Rocker Shaft Cover	—	—	85	Engine Accessories	OEM
07-03073	72711 Lycoming Intake Pipe Ring Seal	—	—	85	Engine Accessories	OEM
07-03074	72797 Lycoming Roller Dynamic Counterweight	—	—	85	Engine Accessories	OEM
07-03076	73032 Lycoming Air Inlet Housing Gasket	—	—	85	Consumables / Hardware	OEM
07-03079	73648 Lycoming Dynamic CWT Roller 5.1 Order	—	—	85	Engine Accessories	OEM
07-03080	73772 Lycoming Piston Cooling Nozzle Assembly	—	—	85	Engine Accessories	OEM
07-03086	74646 Lycoming Nut .375-24 Unf Crimplock	—	—	85	Consumables / Hardware	OEM
07-03099	76772 Lycoming Hose .19 Id X .44 OD X 1.88 Lg	—	—	85	Engine Accessories	OEM
07-03100	76940 Lycoming Crankshaft Oil Seal	—	—	85	Engine Accessories	OEM
07-03110	78862 Lycoming Ring Piston Comp 4.375 Bore	—	—	85	Engine Accessories	OEM
07-03111	78864 Lycoming Ring Piston Oil 4.375 Bore	—	—	85	Consumables / Hardware	OEM
07-03125	06A23493 Lycoming Shroud Tube Seal	—	—	85	Consumables / Hardware	OEM
07-03136	15B21319 Lycoming Hyd. Tappet Socket	—	—	85	Engine Accessories	OEM
07-03137	15B26066 Lycoming Hydraulic Lifter Plunger Assembly	—	—	85	Engine Accessories	OEM
07-03148	17C21191 Lycoming Exhaust Valve Key	—	—	85	Consumables / Hardware	OEM
07-03149	17F19357 Lycoming Rocker Valve Assembly	—	—	85	Engine Accessories	OEM
07-03157	Lycoming Connecting Rod Bearing 18M26105	—	—	85	Engine Accessories	OEM
07-03183	31C-12-P07 Lycoming Stud	—	—	85	Consumables / Hardware	OEM
07-03184	31C-13 Lycoming Stud	—	—	85	Consumables / Hardware	OEM
07-03207	71903-A Lycoming Bushing - Dyn Countrwgt	—	—	85	Engine Accessories	OEM
07-03294	14D23908 Lycoming Piston Compression Ratio 8.70:1	—	—	85	Engine Accessories	OEM
07-03295	LW-10332 Lycoming Lockplate - Crankshaft Gear	—	—	85	Consumables / Hardware	OEM
07-03296	LW-11485 Lycoming Shroud Tube Assembly - Push Rod	—	—	85	Engine Accessories	OEM
07-03299	LW-12081 Lycoming Seal	—	—	85	Engine Accessories	OEM
07-03308	LW-12272 Lycoming Shroud Tube Lockplate	—	—	85	Consumables / Hardware	OEM