School Bus Stop Arm Parts

Need replacement parts for an older stop arm? The following is a compilation of all available stop arm parts. Just find the type of stop arm that is on your bus, and you will find the parts along with the updated part numbers. Just follow the red arrows!

When you call, please provide us with the type of stop arm you have and series stop arm and the part number so we may help you more efficiently.

Click here for electric stop arm parts (5,6 & 7 series)

Click here for air stop arm parts

Click here for vacuum stop arm parts

Click here for stop arm blade parts

Electric Stop Arms

Series-6 & 7

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JK3796 - Motor (plug)
JK3830 - Motor (crimped connectors)
JK5035 - Vane Replacement Kit
JK3795 - Module
LK2187 - Slip Clutch
LK1085 - Hex Nut
LK0117 - Motor Bracket
LK5777 - Clutch Assembly
LK5780 - Clutch Shaft Washer
LK5784 - Clutch Shaft Nut
JK4449/JK4500 - Electronic Module
LK4723 - Aluminum Cam
LK5753 - Hinge Pin
LK5771 - Hinge Pin Bushing
LK5785 - Hinge Bushing Screw
LK0273 - Hinge Plate Bracket
LK4698 - Shaft (Whiz) Nut
LK2765 - Locking Nut
LK3597 - Socket & Pigtail
LK2755 - Stop Arm Lens w/o Holes
LK2762 - Stop Arm Lens Kit
LK3598 - Dbl Contact Bulb
LK0419 - Stop Arm Blade (Group No.)
LK1075 - Stop Arm Lens w/ Holes
LK2753 - Lens Bolt (For Lens w/o Holes)

5-Series (2nd Design)

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JK3796 - Motor (plug)
JK3830 - Motor (crimped connectors)
JK5035 - Vane Replacement Kit
LK2982 - Module
LK2187 - Slip Clutch (Only)
JK4161 - Clutch Assembly
LK2796 - 3-Blade Micro Switch
LK4697 - Bushing Kit (no tab)
LK5798 - Bushing Kit (with tab)
LK3341 - Rubber Bumper
LK3348 - 5-Blade Relay
LK4723 - Aluminum Cam
LK5753 - Hinge Pin
LK5790 - Base Only (Group No.)
LK0372 - Wire Harness (Group No.)
LK1474 - Crimp Terminal (Female)
LK0273 - Hinge Plate Bracket
LK4698 - Shaft (Whiz) Nut
LK5799 - Snap Ring
LK0117 - Motor Bracket
LK6485 - Aluminum Clutch (Group No.)
LK5795 - Microswitch Mounting Plate
LK0419 - Stop Arm Blade (Group No.)

5-Series (1st Design)

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JK3796 - Motor (plug)
JK3830 - Motor (crimped connectors)
JK5035 - Vane Replacement Kit
LK2982 - Module
LK2187 - Slip Clutch (Only)
JK4161 - Clutch Assembly
LK2796 - 3-Blade Micro Switch
LK4697 - Bushing Kit (no tab)
LK5798 - Bushing Kit (with tab)
LK3341 - Rubber Bumper
LK3348 - 5-Blade Relay
LK4723 - Aluminum Cam
LK5753 - Hinge Pin
LK5790 - Base Only (Group No.)
LK0372 - Wire Harness (Group No.)
LK1474 - Crimp Terminal (Female)
LK0273 - Hinge Plate Bracket
LK4698 - Shaft (Whiz) Nut
LK5799 - Snap Ring
LK0117 - Motor Bracket
LK6485 - Aluminum Clutch (Group No.)
LK5795 - Microswitch Mounting Plate
LK2765 - Locking Nut
LK0419 - Stop Arm Blade (Group No.)

Air Stop Arms

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LK1075 - Lens w/ holes
LK1077- Center Pin
LK1078 - Inner Bearing
LK1079 - Outer Bearing
LK1084 - Hinge Bolt
LK1085 - Hex Nut
LK1087 - Ground Wire Assy
LK1024 - Diaphragm Assembly
LK1102 - Diaphragm Retainer Ring
LK1621 - Sheet Metal Screw
LK2747 - Front Cover Plate
LK2748 - Rear Cover Plate
LK2751 - Blade Bolt
LK2753 - Lens Bolt
LK2762 - Red Lens Kit
LK2755 - Red Lens w/o holes
LK2765 - Locking Nut
LK2769 - Clevis Pin
LK2770 - Hinge Plate Bracket
LK3339 - Outer Diaphragm Plate
LK3340 - Inner Diaphragm Plate
LK3341 - Rubber Bumper
LK3343 - Stop Arm Cable
LK3344 - Stop Arm Pulley
LK3345 - Blade Return Spring
LK3597 - Dbl Contact Socket & Pigtail
LK3598 - Dbl Contact Bulb
JK4532- Air Pressure Regulator (Pictured Below)
LK3275 - Base Assembly

Vacuum Stop Arms

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LK1075 - Lens w/ holes
LK1077- Center Pin
LK1078 - Inner Bearing
LK1079 - Outer Bearing
LK1084 - Hinge Bolt
LK1085 - Hex Nut
LK1087 - Ground Wire Assy
LK1097 - Diaphragm Spring
LK1098 - Inner Retaining Ring
LK1024 - Diaphragm Assembly
LK1102 - Diaphragm Retainer Ring
LK1621 - Sheet Metal Screw
LK2747 - Front Cover Plate
LK2748 - Rear Cover Plate
LK2750 - Hinge Plate Bracket
LK2751 - Blade Bolt
LK2753 - Lens Bolt
LK2762 - Red Lens Kit
LK2755 - Red Lens w/o holes
LK2765 - Locking Nut
LK3339 - Outer Diaphragm Plate
LK3340 - Inner Diaphragm Plate
LK3341 - Rubber Bumper
LK3597 - Dbl Contact Socket & Pigtail
LK3598 - Dbl Contact Bulb

Stop Arm Blade Parts

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LK0419 - Stop Arm Blade (Group No.)
JK4629 - Pulsating Stop Arm LED Kit
LK3593 - Strobe Power Pack Only (Group No.)
LK2230 - Rear Blade Decal (Non-Reflective)
LK2760 - Front Blade Decal (Reflective)

Air Pressure Regulator

Air Pressure Regulator for Air Stop Arms on a School Bus. Part No. JK4532

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