Semi-Truck Trailer Cords Hoses Universal
Looking to upgrade your semi-truck trailer connections? Check out our universal trailer cords and hoses. They handle air and electrical transfers smoothly. You'll find color-coded air lines for brakes, ABS cords, and 7-way power cables. Everything comes in durable, neatly bundled 3-in-1 assemblies. Pick the right length and ensure reliable performance. Buy the best at 4 State Trucks!
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Plug-And-Play Replacement OE 7-Way RV Blade Socket For USCAR Socket
CURT MANUFACTURING
$19.39Replacement OE 7-Way RV Blade Socket For USCAR Socket * High Quality 7-Way RV Blade Socket* Plugs Into USCAR Socket To Provide 7-Way RV Blade Trailer Wiring Connector * Simple Plug-And-Play Design Eliminates The Need For Cutting Or Splicing * 7-Way...$19.39 -
Dual-Output 4-Way Flat, 7-Way RV Blade Connector Plugs Into USCAR Socket
CURT MANUFACTURING
$45.29Plug-And-Play Dual-Output 4-Way Flat & 7-Way RV Blade Connector * High Quality Dual-Output 7 And 4 Way Connector-* Plugs Into USCAR Socket To Provide 4-Way And 7-Way Trailer Wiring Connectors * Fits USCAR-Equipped Vehicles With Factory Tow Plugs Only *...$45.29 -
Replacement USCAR 7-Way Socket W/ 24 Inch Wires
CURT MANUFACTURING
$25.99USCAR 7-Way Socket W/ 24 Inch Color-Coded Bonded Wires * High Quality USCAR Socket * Made Of Plastic* Color Coded Wires* Replaces Damaged Or Missing USCAR Vehicle Harness * Includes 24 Inch Color-Coded, Bonded Wires For Easy Installation * Made In USA*...$25.99 -
Die-Cast Metal 7-Way Vehicle-Side RV Blade Connector Socket For Tail, Brake, Reverse, Turn Signals, Aux. Power
CURT MANUFACTURING
$13.197-Way Vehicle-Side RV Blade Connector Socket * High Quality RV Blade 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 *...$13.19 -
Gloss Black 7-Way RV Blade Connector Mounting Bracket - Packaged
CURT MANUFACTURING
$5.297-Way RV Blade Connector Mounting Bracket * High Quality Connector Mounting Bracket* Made Of Steel* Color: Black* Securely Mounts 7-Way RV Blade Connector Socket Number 09-055000021 (Not Included)* Allows For Attachment To The Vehicle Or Trailer Hitch *...$5.29 -
7-Way RV Blade Connector Tester For Tail, Brake, Reverse, Turn Signal, Auxiliary Power
CURT MANUFACTURING
$16.69Curt 7-Way to RV Socket LED Circuit Tester - Vehicle EndMake sure your vehicle's trailer wiring is in good working order with this connector tester! It checks taillights, brake lights, reverse lights, turn signals, electric trailer brakes, and auxiliary...$16.69 -
7-Way Vehicle-Side RV Blade Connector Socket Connects Tail, Brake, Reverse, Turn Signals, Auxiliary Power
CURT MANUFACTURING
$10.09Black Plastic 7-Way Vehicle-Side RV Blade Connector Socket W/ Concealed Terminals * High Quality RV Blade Connector Socket* Made Of Plastic* Color: Black* Splices Into Vehicle Wiring To Provide A Connection For A Trailer Plug * 7-Way Connects Tail,...$10.09 -
Gloss Black Steel 7-Way RV Blade Connector Mounting Bracket
CURT MANUFACTURING
$2.697-Way RV Blade Connector Mounting Bracket * High Quality Connector Mounting Bracket* Made Of Steel* Color: Black* Securely Mounts 7-Way RV Blade Connector Sockets * Allows For Attachment To The Vehicle Or Trailer Hitch * Multiple Screw Holes Offer...$2.69 -
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 -
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