IO520 BB Crankshaft (TN239577-21)
- IO520BB (TN239577-21)
IO520 BB Crankshaft (Aircraft Specialties Tracking Number 239577-21)
Also Fits: IO520 CB, MB and TSIO520 BB,DB, EB, JB, KB, NB, WB
Bearings: Main M.010 and Rods M.010
“Used-Serviceable” – The part has been inspected and reconditioned by the Repair Station. Domestic 8130 Serviceability tag included.