SMA 028158 SP ARM-HINGE,AIR X/A,C2,PTD, YLW Retrieving price... View PDC Availability Details Please Note, this part is on Manual Allocation in the US. Please Note, this part is on Manual Allocation in Canada. Please Note, this part is on Manual Allocation in US and Canada. Product Unavailable for Purchase Product Unavailable for Purchase VMRS: 174-017-022 - HINGE - SCHOOL BUS STOP ARM ASSEMBLY Add to Cart