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
36805	PISTON	—	—	85	unknown
369H26542	Baffle Assembly.	—	MD 500	85	Engine Accessories	OEM
37-35-01	Low Compression Piston, Turbo Charger Sys. Inst.	Merlyn Product Inc	MD 500	85	Engine Accessories	PMA
37-35-11	Low Compression Piston, Turbo Charger Sys.	Merlyn Product Inc	MD 500	85	Engine Accessories	PMA
3731630	CYLINDER	ECI	—	85	Engine Accessories	PMA
375202	CRANKSHAFT	—	—	85	unknown	OEM
37B200371P102ACD	Ring, Piston	Aircraft Component Design LLC	—	85	Engine Accessories	PMA
37C28529955	BELT	LYC	—	85	Engine Accessories	OEM
38-11 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-11 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-11 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-12 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-12 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-12 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-13 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-13 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-13 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-14 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-14 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-14 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-15	Stud, 3/8 Dia.	—	—	85	Consumables / Hardware	OEM
38-15	Stud, 3/8 Dia.	—	—	85	Consumables / Hardware	OEM
38-15 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-15 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-15 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-16	Stud, 3/8 Dia.	—	—	85	Consumables / Hardware	OEM
38-16	Stud, 3/8 Dia.	—	—	85	Consumables / Hardware	OEM
38-16 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-16 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-16 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-17	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-17	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-17 38-22	Stud 3/8 Dia.	—	—	85	Consumables / Hardware	OEM
38-17 38-22	Stud 3/8 Dia.	—	—	85	Consumables / Hardware	OEM
38-17 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-17 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-17 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-18	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-18	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-18 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-18 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-18 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-19	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-19	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-19 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-19 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-20 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-20 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-20 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-20 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM