Semi-Truck Safety Universal
Check out our top-notch semi-truck universal safety products at 4 State Trucks. From durable placard holders to reliable reflective tapes and sturdy air hoses, we've got your safety covered. Need a new coupler or a pogo stick? We have those too. Equip your rig with the best gear and stay safe on the road!
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Clamp-On Connector Bracket Mount For 7-Way RV Blade Socket
CURT MANUFACTURING
$23.79Clamp-On Connector Bracket Mount For 7-Way RV Blade Socket * High Quality Connector Bracket Mount* Made Of High-Strength Steel * Long, Universal Clamp-On Mount For 7-Way Socket Brackets * Compatible With 7-Way Round And 7-Way RV Blade Sockets *...$23.79 -
Heavy Duty Black Plastic Replacement USCAR 7-Way RV Blade Socket W/ Dust Cover
CURT MANUFACTURING
$19.79Heavy Duty Black Plastic Replacement USCAR 7-Way RV Blade Socket * High Quality RV Blade Socket* Weather-Resistant Dust Cover Features A Rubber Insert To Seal Out Moisture * Spring-Loaded Cover Also Helps Keep Connector Clean When Not In Use * Plugs Into...$19.79 -
4-Way Flat Connector Socket W/ 60 Inch Color-Coded 16-G Wires Connects Tail, Turn, Brake Lights
CURT MANUFACTURING
$10.694-Way Flat Connector Socket W/ 60 Inch Color-Coded 16-G Wires * High Quality Flat Connector Socket* Splices Into Vehicle Wiring To Provide A Connection For A Trailer Plug * 4-Way Flat Output Connects Tail Lights, Brake Lights And Turn Signals *...$10.69 -
4-Way Round Connector Plug, Socket W/ Hardware
CURT MANUFACTURING
$25.094-Way Round Connector Plug & Socket Kit * High Quality Connector Plug And Socket* Made Of Die-Cast Metal * Splices Into Existing Wiring To Provide Connections For Both Vehicle And Trailer * 4-Way Round Output Connects Tail Lights, Brake Lights And Turn...$25.09 -
4-Way To 5-Way Flat Adapter For Boat Trailer Surge Brakes
CURT MANUFACTURING
$14.594-Way Vehicle To 5-Way Boat Trailer Flat Adapter For Boat Trailer Surge Brakes * High Quality Flat Adapter * Made Of Carbon Steel* Adapts Vehicle 4-Way Flat To Plug Into Boat Trailer 5-Way Flat * Intended For Boat Trailers With Surge Brakes * Fifth Wire...$14.59 -
Vehicle-Side 4-Way Round To 4-Way Flat Electrical Adapter Connects Tail Lights, Brake Lights, Turn Signals
CURT MANUFACTURING
$7.99Plug-And-Play Vehicle-Side 4-Way Round To 4-Way Flat Electrical Adapter W/ Slit Loom * High Quality Electrical Adapter* Made Of Plastic* Adapts A 4-Way Round Vehicle Socket To Fit 4-Way Flat Trailer Plugs * Simple Plug-And-Play Design Eliminates The Need...$7.99 -
Powered Converter Wiring Kit W/ 10 Amps Routes Power From Vehicle Battery To Powered Converter
CURT MANUFACTURING
$25.9920 Ft. 10 Amp Powered Converter Wiring Kit * High Quality Powered Converter Wiring Kit* Routes Power From Vehicle Battery To Powered Converter * Designed For Use With Battery-Powered Electrical Converters * 20 Feet Of 12 Gauge Cross-Linked Wire For...$25.99 -
18 Inch Trailer Hitch Fish Wire For 1/2 Inch Diameter Bolts
CURT MANUFACTURING
$3.09Trailer Hitch Fish Wire For 1/2 Inch Diameter Bolts * High Quality Wire Taillight Converter* Color Coded Wires* Makes It Easier To Lead Bolts And Spacers Through Tough-To-Reach Holes * Ideal For Installing A Trailer Hitch On A Vehicle With A Hollow Frame...$3.09 -
Easy-Mount Wiring Bracket For 4-Way, 5-Way Flat Connector Socket For 2 X 2 Inch Receiver Tube
CURT MANUFACTURING
$15.89Easy-Mount Wiring Bracket For 4-Way & 5-Way Flat Connector Socket * High Quality Wiring Bracket* Made Of Steel* Allows Connectors To Be Hitch-Mounted With No Drilling Or Clamping Required * Accepts 4-Way Or 5-Way Flat Connector Sockets * Fits Virtually...$15.89 -
Vehicle-Side 7-Way Round Connector Socket Connects Tail, Brake, Reverse, Turn Signals, Aux. Power
CURT MANUFACTURING
$21.99Vehicle-Side 7-Way Round Connector Socket W/ Spring-Loaded Dust Cover * High Quality Connector Socket* Splices Into Vehicle Wiring To Provide A Connection For A Trailer Plug * 7-Way Connects Tail, Brake, Reverse, Turn Signals, Brakes And Auxiliary Power...$21.99 -
2-To-3 Wire Tail Light Converter Kit For A Vehicle Being Dinghy Towed
CURT MANUFACTURING
$38.992-To-3 Wire Tail Light Converter Kit * High Quality Taillight Converter* Color Coded Wires* Converts A 2-Wire Electrical System To 3-Wire * Intended For A Vehicle Being Dinghy Towed Behind An RV Or Other Vehicle * Constructed With SMT Circuitry For...$38.99 -
Vehicle-Side 6-Way Round Connector Socket W/ Dust Cover Connects Tail, Brake, Turn Signal, Auxiliary Power
CURT MANUFACTURING
$6.59Vehicle-Side 6-Way Round Connector Socket W/ Dust Cover * High Quality Connector Socket* Made Of Plastic* Color: Black* Splices Into Vehicle Wiring To Provide A Connection For A Trailer Plug * 6-Way Connects Tail, Brake, Turn Signals, Electric Brakes And...$6.59