Crossing Arms For GMC
Chassis School Buses

Crossing Arms for GMC School Buses

Looking for Crossing Arm Parts for a GMC Chassis on a school bus? We can help! Just follow the red arrows!


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There are 2 questions that need answering when it comes to figuring out the correct crossing arm assembly.


1. Is your crossing arm assembly air-operated or electric?

2. What series crossing arm assembly do you have... 5, 6, 7 or 8?



Once we have all of the above information, it will be easy to figure out what
parts you need.

The following
information provides part numbers for the different crossing arm assemblies that are available on a school bus with a GM Chassis. When you call us, please provide the part number you are needing help with, and the series crossing arm you have, so we may be able to help you
more efficiently.




Air-Operated Crossing Arm Assemblies

GMC Chassis with Plastic Blade - Part No. LK3316

GMC Chassis with Figure 8 Blade - Part No. LK3315




Electric Crossing Arm Assemblies

GMC Full Size Conventional Chassis - Part No. JK4316

GMC Type A 3500 S Chassis - Part No. JK4317


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Southern Bus Sales, Inc.
P.O. Box 7474
Alexandria, LA 71306
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