Header, #1 CYL, RH/AFT TSIO-520/550 - 657683

Replaces part 657683, 654327, 646463-182, 646463-184, 646463-131, and 657010.

Eligible Serial Numbers(Stock): All Qualifying Engine Serials

NOTE: 657687AWL is a 657683AWL with a .129" Hole drilled for EGT

NOTE: Fits All Aircraft with Engine Models Listed Below. 

Applicable Engine/TCDS(Stock)
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
- E5SO

Comments
Additional Engine Models Eligible By STC