Replaces part 657972, 657971, 654326, 646463-181, 646463-141, and 657009.
Eligible Serial Numbers(Stock): All Qualifying Engine Serials
NOTE: 657972AWL is a 657971AWL with a .129" Hole drilled for EGT
NOTE: Fits All Aircraft with Engine Models Listed Below.
TSIO-520-BE_ _(1A, 1F, 1G, 2F, 2G, 3B) - E8CE
TSIO-550-A_ _(1B, 2B) - E5SO
TSIO-550-B1B, B2B, C10B, C11B, C12B,C13B, C14B, C16B,
C17B, C18B, C19B, C1B, C20B, C21B, C3B, C4B,C5B, C6B,
C7B, C8B, C9B, E10B, E11B, E12B, E13B, E14B, E15B,
E16B, E17B, E18B, E19B, E1B, E20B, E21B, E22B, E23B,
E2B, E3B, E4B, E5B, E9B, G1B, G2B, G3B, G4B, G5B
Additional Engine Models Eligible By STC