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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5-Way Flat Connector Plug, Socket W/ 72 Inch Wires
CURT MANUFACTURING
$18.3972 Inch 5-Way Flat Vehicle End and Trailer End Connector Plug and Socket * High Quality Connector Plug And Socket* Splices Into Existing Wiring To Provide Connections For Both Vehicle And Trailer * Looped Wire Can Also Be Used As A Wire Extension For An...$18.39 -
6-Way Vehicle-Side Round Connector Socket Connects Tail, Brake, Turn Signals
CURT MANUFACTURING
$15.89Vehicle-Side 6-Pin Round Trailer Wiring Harness SocketGet ready for reliable trailer connections every time with the CURT 6-way round connector. This tough, die-cast metal connector is built to power up your trailer's tail lights, turn signals, electric...$15.89 -
6-Way Round Connector Plug, Socket Connects Tail, Brake, Turn Signals
CURT MANUFACTURING
$22.496-Way Round Vehicle End and Trailer End Connector Plug and Socket * High Quality Connector Plug And Socket* Splices Into Existing Wiring To Provide Connections For Both Vehicle And Trailer * 6-Way Connects Tail, Brake, Turn Signals, Electric Brakes And...$22.49 -
4-Way Round Connector Plug, Socket Connects Tail Lights, Brake Lights, Turn Signals
CURT MANUFACTURING
$21.19Vehicle Side & Trailer Side 4 Pin Round Wiring Harness ConnectorsThe ergonomic design of these trailer wiring connectors makes plugging in your trailer wiring and lights easy. The trailer plug features tabs on the sides for a better grip when plugging...$21.19 -
2-Way Flat Connector Plug, Socket W/ 12 Inch Wires
CURT MANUFACTURING
$5.792 Pin Flat Wiring Harness W/ 12-Inch Wires * High Quality Connector Plug And Socket* Splices Into Existing Wiring To Supply Power To An Electrical Accessory * Looped Wire Can Also Be Used As A Wire Extension For An Existing Connector * Constructed With...$5.79 -
7-Way RV Blade Connector Tester
CURT MANUFACTURING
$18.09Vehicle Side 7 Way RV Blade Socket * High Quality Connector Tester* Made Of Plastic* Confirms Proper Function Of Vehicle-Side Wiring Connector * Tests 7-Way For Tail, Brake, Reverse, Turn Signals, Brakes And Auxiliary Power * Features A Label For Each...$18.09 -
4-Way Flat Connector Plug, Socket W/ 12 Inch Wires - Packaged
CURT MANUFACTURING
$8.69Custom Tow Bar Base Plate & Socket W/ 12 Inch Wires Pack * High Quality Connector Plug And Socket* Splices Into Existing Wiring To Provide Connections For Both Vehicle And Trailer * Looped Wire Can Also Be Used As A Wire Extension For An Existing...$8.69 -
4-Way, 7-Way Dual-Output Trailer Wire Connector W/ Backup Alarm Plugs
CURT MANUFACTURING
$48.99Dual Output 7 & 4-Way Connector W/ Backup Alarm * High Quality 7 And 4-Way Connector* Plugs Into USCAR Socket To Provide 4-Way And 7-Way Trailer Wiring Connectors * Replaces The Factory-Equipped 7-Way Socket * Integrated Backup Alarm Sounds When Vehicle...$48.99 -
4-Way Flat Connector Plug, Socket W/ 12 Inch, 48 Inch Wires
CURT MANUFACTURING
$13.194 Way Flat Connector Plug & Socket w/ 12 In & 48 Inch Wires * High Quality 4-Way Flat Connector Plug And Socket* Splices Into Existing Wiring To Provide Connections For Both Vehicle And Trailer * 4-Way Flat Output Connects Tail Lights, Brake Lights And...$13.19 -
Truck Back Up Alarm For 7 Way RV Blade
CURT MANUFACTURING
$30.39Plug-And-Play 7-Way RV Blade Integrated Truck Backup BeeperThis electrical adapter plugs into a 7-way RV blade vehicle socket and adds a backup alarm to your tow vehicle, emitting an audible signal when the vehicle is in reverse. It includes a dust cover...$30.39 -
Vehicle-Side Molded Rubber 4-Way Flat Connector Dust Cover
CURT MANUFACTURING
$2.994-Way Flat Connector Dust Cover * High Quality COnnector Dust Cover* Protects COnnector From Water, Dust And Road Grime When Not In Use * Helps Prevent Internal CorrosiOn For A LOng Operating Life * Fits Virtually Any 4-Way Flat COnnector Socket *...$2.99 -
Zinc-Plated Mounting Bracket For 7-Way RV Blade Connector
CURT MANUFACTURING
$5.297-Way RV Blade Connector Mounting Bracket * High Quality Connector Mounting Bracket* Securely Mounts 7-Way RV Blade Connector Sockets * Allows For Attachment To The Vehicle Or Trailer Hitch * Multiple Screw Holes Offer Flexible Mounting Options *...$5.29