Definitions for "Crossmember"
Component of a vehicle structure that spans the structure, joining two sides together.
The steel C channel located at 4" on center between the main JR.1 beams of a chassis--just like the rungs on a ladder. The crossmembers give strength to the chassis, help counter the cantilever effect of sidewall weight, and help support the return air ducting.
a part of the frame which attaches the frame rails