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
07-04227	TCM Diaphragm-Relief Valve 635671	—	—	85	Engine Accessories	OEM
07-04229	TCM Pin - Dowel .125X.25 635768	—	—	85	Consumables / Hardware	OEM
07-04251	TCM Seat - Valve 636216	—	—	85	Engine Accessories	OEM
07-04253	TCM Tee 636219	—	—	85	Consumables / Hardware	OEM
07-04260	TCM Guide - Valve Exh 636242	—	—	85	Engine Accessories	OEM
07-04262	TCM Tee - Fitting 636349	—	—	85	Consumables / Hardware	OEM
07-04275	TCM Tee - Male Branch .125NPTF 637714	—	—	85	Consumables / Hardware	OEM
07-04278	TCM Screw - Hex Head .250-20X5.88L 637795	—	—	85	Consumables / Hardware	OEM
07-04289	TCM Tube Assembly Int Riser No. 6 639202	—	—	85	Engine Accessories	OEM
07-04290	TCM Tube Assembly Int Riser No. 5 639203	—	—	85	Engine Accessories	OEM
07-04300	TCM Tube Assembly - Air LH 639395	—	—	85	Engine Accessories	OEM
07-04306	TCM Tee Restrict-Fitting 639495	—	—	85	Consumables / Hardware	OEM
07-04327	TCM Tube Assembly - Man Valve 640722	—	—	85	Engine Accessories	OEM
07-04353	TCM Tube Bend Assembly 641094	—	—	85	Engine Accessories	OEM
07-04354	TCM Tube Bend Assembly 641095	—	—	85	Engine Accessories	OEM
07-04355	TCM Tube Bend Assembly 641096	—	—	85	Engine Accessories	OEM
07-04356	TCM Tube Bend Assembly 641097	—	—	85	Engine Accessories	OEM
07-04357	TCM Tube Bend Assembly 641098	—	—	85	Engine Accessories	OEM
07-04363	TCM Tube Bend Assembly 641154	—	—	85	Engine Accessories	OEM
07-04365	TCM Tube Bend Assembly 641156	—	—	85	Engine Accessories	OEM
07-04366	TCM Tube Bend Assembly 641157	—	—	85	Engine Accessories	OEM
07-04367	TCM Tube Bend Assembly 641158	—	—	85	Engine Accessories	OEM
07-04372	TCM Tube - Balance 641261	—	—	85	Engine Accessories	OEM
07-04375	TCM Spacer 641287	—	—	85	Consumables / Hardware	OEM
07-04382	TCM Tube Assembly - Balance 641394	—	—	85	Engine Accessories	OEM
07-04388	TCM Tube Bend Assembly 641415	—	—	85	Engine Accessories	OEM
07-04400	TCM Tube Assembly - Air 641520	—	—	85	Engine Accessories	OEM
07-04401	TCM Duct-Convoluted Bellow 641551	—	—	85	Engine Accessories	OEM
07-04402	TCM Tube Assembly - Air Man 641558	—	—	85	Engine Accessories	OEM
07-04410	TCM Duct-Air 641738	—	—	85	Engine Accessories	OEM
07-04411	TCM Duct-Air 641739	—	—	85	Engine Accessories	OEM
07-04425	TCM Tube Assembly 642201	—	—	85	Engine Accessories	OEM
07-04427	TCM Tube Assembly 642203	—	—	85	Engine Accessories	OEM
07-04428	TCM Tube Assembly 642204	—	—	85	Engine Accessories	OEM
07-04429	TCM Tube Assembly 642205	—	—	85	Engine Accessories	OEM
07-04430	TCM Tube - Air-Induction 642218	—	—	85	Engine Accessories	OEM
07-04450	TCM Tube Assembly 642486	—	—	85	Engine Accessories	OEM
07-04454	TCM Tube Assembly Balance 642523	—	—	85	Engine Accessories	OEM
07-04458	TCM Tube Assembly Intake Manif 642562	—	—	85	Engine Accessories	OEM
07-04460	TCM Tube Assembly - Cylinder Drain 642580	—	—	85	Engine Accessories	OEM
07-04472	TCM Tube Assembly #6 Flare 642698	—	—	85	Engine Accessories	OEM
07-04479	TCM Tube Bend Assembly 642728	—	—	85	Engine Accessories	OEM
07-04485	TCM Tube Assembly Air Manif 642882	—	—	85	Engine Accessories	OEM
07-04491	TCM Spacer 642971	—	—	85	Consumables / Hardware	OEM
07-04505	TCM Clip Spring Pushrod 643098	—	—	85	Engine Accessories	OEM
07-04512	TCM Tube Assembly - Int Manif Elbow 643380	—	—	85	Engine Accessories	OEM
07-04513	TCM Tube Assembly - Induction 643386	—	—	85	Engine Accessories	OEM
07-04522	TCM Tube Assembly - Cylinder Drain 643584	—	—	85	Engine Accessories	OEM
07-04543	TCM Tube Assembly Intake Manifold 643926	—	—	85	Engine Accessories	OEM
07-04567	TCM Spacer 646065	—	—	85	Consumables / Hardware	OEM