XA1-28505, SMI 2009+ BB T3 Air Crossing Arm Base Assembly

• XA1-28505
• 2009+ BB T3 Air Crossing Arm Base Assembly
• Base, Crossing Arm, Air
• Mounted behind the bumper
• Made in the USA
• Warranty: Two (2) years for all components from the date of manufacture (as evidenced by the SMI product labels on the product).

Additional Parts:

• SMI Air Outer Diaphragm Plate: 170
• SMI Stop Arm Hinge Pin: 144
• SMI Pin - Hinge Inverted Unit: 5057
• SMI Hex Head Whiz Nut: 5122
• Air Diaphragm Retaining Ring:  2102
• Air Diaphragm for Thomas C2:  106S 
• SMI Inner Bearing: 176
• SMI Hinge Plate Bracket: 002169

Blue Bird Crossing Arm Assemblies

Stop & Crossing Arm Air Replacement Parts

Cross #'s: 10001018, 10049842, 28505, XA128505, SMC-XA128505, 07-S-28505, BB 10049842, BB10049842, 10001018-BLUEBIRD, 235996-21, XA-28505, 028505, XA1-28505

Previous Part#'s: 028505, XA-28505