Stop Arm Assemblies

412 Extended Stop Arm 5 Year Warranty This is a patented product #US 9,245,465 B1 Lights are independently plugged into the wiring harness Designed to retrofit on practically any model school bus Installation Instructions & Videos...

SE27501-SP Replaces Part #7501 SMI Defender Series Electric Stop Arm for REAR of bus Reflective with Lights Incandescent lights An integrated closed loop controller with motor encoder for deployment accuracy Obstruction detection technology...

SE27900-SP Replaces part # SE17900-SP SMI Defender Series Electric Stop Arm 3M Hi-Intensity Reflective Blade Incandescent Lights 2 Year Warranty Previous Part#'s: 006900 / 007900 / SE17900-SP Thomas Part# SMA 7900Original Vendor Part #:...

SE27980C-SP Replaces Part #7980C and SE17980C-SP SMI Defender Series Electric Stop Arm with C2 Connector Strobing LED Stop Arm Hi-Intensity Blade 3 Wires Used on Thomas C2's An integrated closed loop controller with motor encoder for deployment...

T7500-210-000 The 7500 Series Driver Alert Device is designed to provide dual safety messages to alert traffic when school buses are stopping or stopped. It also is effective at railroad crossings and when the vehicle is backing up...

T7500-110-100 The 7500 Series Driver Alert Device is designed to provide dual safety messages to alert traffic when school buses are stopping or stopped. It also is effective at railroad crossings and when the vehicle is backing up...

T7500-000-000 The 7500 Series Driver Alert Device is designed to provide dual safety messages to alert traffic when school buses are stopping or stopped. It also is effective at railroad crossings and when the vehicle is backing up...

Now approved in Michigan, Georgia and Alabama!!    ECVDASTSN 2 Year Warranty The Driver Alert Device is designed to provide dual safety messages to alert traffic when school buses are stopping or stopped.  It also is effective at...

SE27980-SP Replaces Part #7980 and SE17980-SP SMI Defender Series Electric Stop Arm Strobing LED Stop Arm Hi-Intensity Blade 3M Hi Intensity prismatic reflective decals An integrated closed loop controller with motor encoder for deployment...

SE27500C-SP Replaces Part #007500C,  SE17500C-SP SMI Defender Series Electric Stop Arm with C2 Connector Reflective Blade Incandescent Lights Used on Thomas C2 Buses An integrated closed loop controller with motor encoder for deployment...

SE27500-SP Replaces Part #7500 and SE17500-SP SMI Defender series stop arm assembly Reflective with Lights Incandescent lighting 3M Engineering grade prismatic reflective decals Direct Replacement for 5,6 & 7 Series An integrated closed loop...

SA12980-SP SMI Air Stop arm assembly 3M Hi-Intensity Reflective Blade Strobing LED Lights 2 Year Warranty Previous Part# 002980