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
05K21108CKP	CYLINDER	—	PA-31 Navajo	85	Hydraulics	PMA
05K21109	Cylinder Assembly	—	—	85	—	OEM
05K21109	Cylinder Assembly	—	—	85	—	OEM
05K21110	Cylinder Assembly	—	—	85	—	OEM
05K21110	Cylinder Assembly	—	—	85	—	OEM
05K21114	ROCKER BOSS	—	PA-38 Tomahawk	85	unknown
05K21114K4	CYLINDER	—	C152	85	unknown
05K21114KIT	CYLINDER	—	C152	85	Engine Accessories	OEM
05K21117	CYLINDER	—	C182 Skylane	85	Engine Accessories	OEM
05K21118	CYLINDER	—	—	85	unknown	OEM
05K21119	Assembly, Cylinder, (76 Series) Wide-Deck	—	—	85	Engine Accessories	OEM
05K21119	Assembly, Cylinder, (76 Series) Wide-Deck	—	—	85	Engine Accessories	OEM
05K21120	CYLINDER	—	PA-28 Cherokee R44	85	Hydraulics	OEM
05K21121	Assembly, Cylinder, (76 Series) Wide-Deck	—	—	85	—	OEM
05K21121	Assembly, Cylinder, (76 Series) Wide-Deck	—	—	85	—	OEM
05K21123	CYLINDER	—	C152	85	unknown
05K21124	GUIDE	—	—	85	unknown
05K21124CKP	CYLINDER	—	—	85	Engine Accessories	PMA
05K21226	Cylinder Assembly	—	—	85	—	OEM
05K21226	Cylinder Assembly	—	—	85	—	OEM
05K21232	CYLINDER	—	—	85	unknown
05K21237A	PISTON	LYC	C172 Skyhawk	85	Engine Accessories	OEM
05K21237A30	CYLINDER	LYC	—	85	Engine Accessories	OEM
05K21267	Cylinder Assembly	—	—	85	reciprocating engine component	OEM
05K21269	Cylinder Assembly	—	—	85	—	OEM
05K21269	Cylinder Assembly	—	—	85	—	OEM
05K22680	CYLINDER HEAD	ECI	C206 Stationair	85	Engine Accessories	PMA
05K22756	TUBE	—	PA-32 Saratoga PA-32 Cherokee Six	85	unknown
05K22806	CRANKSHAFT	—	—	85	Engine Accessories	OEM
05K23037	CYLINDER	—	C152	85	unknown	OEM
05K23038	CYLINDER	—	C152	85	Hydraulics	unknown
05K27674	BUSHING	—	R44	85	unknown
05SR21228	CYLINDER	—	—	85	unknown
06-02034	TCM 21185 Inner Intake Hose	—	—	85	Engine Accessories	OEM
06-02043	TCM 25171 Spacer - Crkcase Thru Bolt	—	—	85	Consumables / Hardware	OEM
06-02054	TCM 534610 Packing-Push Rod Housing	—	—	85	Engine Accessories	OEM
06-02067	TCM 538989 Washer .52Idx.16	—	—	85	Consumables / Hardware	OEM
06-02075	TCM 626813 Pin - Tubular Dim .72	—	—	85	Consumables / Hardware	OEM
06-02078	TCM 628556 Washer .31Id X .03 Thk	—	—	85	Consumables / Hardware	OEM
06-02091	631639 Valve	—	—	85	Engine Accessories	OEM
06-02093	TCM 631883 Screw 10-32X.88 Lg	—	—	85	Consumables / Hardware	OEM
06-02095	TCM 632394 Retainer - Plunger Spring	—	—	85	Engine Accessories	OEM
06-02106	TCM 653188 Washer	—	—	85	Consumables / Hardware	OEM
06-02112	TCM 640612 Washer - .50 O.D.X.31 I.D.	—	—	85	Consumables / Hardware	OEM
06-02192	TCM 10-357584 Gear Assembly Kit	—	—	85	Engine Accessories	OEM
06-02248	TCM 538600-2 Washer - Seal.183X.438X.050	—	—	85	Consumables / Hardware	OEM
06-02249	TCM 538600-3 Washer - Seal.245X.531X.050	—	—	85	Consumables / Hardware	OEM
06-02254	TCM 625327-2 Washer - Wave-.20 Id	—	—	85	Consumables / Hardware	OEM
06-02265	TCM 635835-1 Washer .39 Id X .61 Od	—	—	85	Consumables / Hardware	OEM
06-02266	TCM 635835-2 Washer .39 Id X .75 Od	—	—	85	Consumables / Hardware	OEM