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
538283	CYLINDER	—	C310	85	Hydraulics	OEM
538288	CYLINDER	—	—	85	Hydraulics	OEM
538304	PUSH ROD	—	C182 Skylane C206 Stationair+2	85	Flight Controls
538304P015	Pushrod Assy.	—	—	85	Engine Accessories	OEM
538304P030	PUSHROD	CONT	—	85	Engine Accessories	OEM
538305	Assembly, Pushrod	—	—	85	Engine Accessories	OEM
538305	Assembly, Pushrod	—	—	85	Engine Accessories	OEM
538517	OIL PAN	—	—	85	Engine Accessories
538650-1	eye-lifting engine	teledyne continental	—	85	Consumables / Hardware	OEM
538684	BUSHING	—	PA-34 Seneca SR20	85	unknown	unknown
538811	BOLT	—	C421 Golden Eagle	85	Consumables / Hardware	PMA
538937	TUBE	—	—	85	unknown
538944-5.31	Bolt, Thru, 7/16-20 x 5-5/16	—	—	85	Consumables / Hardware	OEM
538944-5.31	Bolt, Thru, 7/16-20 x 5-5/16	—	—	85	Consumables / Hardware	OEM
538944-6.19	Bolt, Thru, 7/16-20 x 6-3/16	—	—	85	Consumables / Hardware	OEM
538944-6.19	Bolt, Thru, 7/16-20 x 6-3/16	—	—	85	Consumables / Hardware	OEM
538944-6.96	Bolt, Thru, 7/16-20 x 6.96	—	—	85	Consumables / Hardware	OEM
538944-6.96	Bolt, Thru, 7/16-20 x 6.96	—	—	85	Consumables / Hardware	OEM
5389441050	BOLT	—	C188 AgWagon	85	Consumables / Hardware	OEM
538944674	THRU BOLT	CONT	—	85	Engine Accessories	OEM
5390501075	BOLT	—	C188 AgWagon	85	Consumables / Hardware	OEM
539467	PISTON PIN	—	—	85	Engine Accessories	unknown
539473	Plug, Piston Pin	—	—	85	Engine Accessories	OEM
539473	Plug, Piston Pin	—	—	85	Engine Accessories	OEM
539487	CLAMP	—	—	85	Consumables / Hardware	PMA
539491	CYLINDER	—	—	85	Engine Accessories	OEM
539492	Cylinder Assembly	—	—	85	Engine Accessories	OEM
539492	Cylinder Assembly	—	—	85	Engine Accessories	OEM
539523	BUSHING	CONT	—	85	Engine Accessories	unknown
539547-32.00	belt	teledyne continental	—	85	Engine Accessories	OEM
539568	GEAR	—	C206 Stationair	85	unknown
539574-4	plug-plastic .50n.p.t	teledyne continental	—	85	Consumables / Hardware	OEM
539647	PISTON PIN	—	C182 Skylane	85	Engine Accessories	OEM
539740	ROCKER ARM PIN	—	C414	85	Engine Accessories
5397402	SHAFT	—	C340 Saab 340	85	Engine Accessories	OEM
539814	Piston	—	—	85	Engine Accessories	OEM
539814	Piston	—	—	85	Engine Accessories	OEM
539840	Seal, Pushrod Tube Oil	—	—	85	Engine Accessories	OEM
539840	Seal, Pushrod Tube Oil	—	—	85	Engine Accessories	OEM
539937	OIL SUMP	—	C182 Skylane	85	Engine Accessories
539988	Valve, Intake	—	—	85	Engine Accessories	OEM
539988	Valve, Intake	—	—	85	Engine Accessories	OEM
540	Engine Heater	Reiff Corporation	—	85	Electromechanical	PMA
540 Parallel Valve Cylinder Assembly	Cylinder Assembly, Build-Up	—	—	85	Engine Accessories	OEM
540-1250-2	Set, Piston Ring	—	—	85	Engine Accessories	OEM
542343CN	CYLINDER	—	C421 Golden Eagle	85	Hydraulics	OEM
5498	ROCKER ARM	—	—	85	Engine Accessories
55000	Plug, .125 C-Sunk HD Pipe	Hartzell Engine Technologies LLC	—	85	Consumables / Hardware	PMA
55000065	HOSE	—	—	85	unknown
55002	Washer, 880DX .453 ID.	Hartzell Engine Technologies LLC	—	85	Consumables / Hardware	PMA