22-74370-000 Freightliner Cascadia Cab Extender Attachment Arm Kei Vehicle Vehicle Fitment Freightliner Cascadia PT-126

Vehicle Fitment Freightliner Cascadia PT-126 2018 to 2024 Not compatible with non-Cascadia models

Works as a matched set with companion bracket — both part numbers are required to complete the understep reinforcement assembly

elongating the M6 nutsert hole in the fiberglass sleeper wall until the mount can no longer hold

these bushings eliminate the excess play that leads to cab slap

One 22-73952-000BP short lower cab extender attachment arm

22-74370-000 Freightliner Cascadia Cab Extender Attachment Arm Kei Vehicle Vehicle Fitment Freightliner Cascadia PT-126The 22 74370 000BP is a direct replacement for the OEM 22 74370 000 long lower cab extender attachment arm on the Freightliner Cascadia, installing at the factory mounting points with no drilling or modification. The original arm carries a recognized weak point. Its loose factory fit allows the joint to work free over time, elongating the M6 nutsert hole in the fiberglass sleeper wall until the mount can no longer hold. The cab extender panel begins