Description
 Manufacturer: Allied-Signal Aerospace Company 
Description: By-Pass Valve 
Part Number: 6600423-016, N734-9045, 3291290-1, 3179734-1, 3170801-1 
Serial Number: 251 
Removed From: 1987 Bombardier Learjet 55B in February 2021. 
Condition: This item has multiple surface scratches and minor rust on hardware as shown in pictures.c 
Other Information: We offer a 30 Day Money Back Guarantee minus original shipping charges if the item is in unworking condition. 
 
            