Semi-Truck Safety, Air & Electrical Universal
Semi-Truck Safety, Air & Electrical parts from 4 State Trucks can help keep your truck on the road. From air compressors and valves to fuses and lights, find the parts you need for air system maintenance and electrical repairs. Explore our selection to help maintain your truck's performance.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
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 -
Zinc-Plated Steel 7-Way RV Blade Connector Mounting Bracket
CURT MANUFACTURING
$1.577-Way RV Blade Connector Mounting Bracket * High Quality Connector Mounting Bracket* Made Of Steel* Securely Mounts 7-Way RV Blade Connector Sockets * Allows For Attachment To The Vehicle Or Trailer Hitch * Multiple Screw Holes Offer Flexible Mounting...$1.57 -
Non-Powered 3-To-2 Wire Tail Light Converter Kit For Trailer Wiring
CURT MANUFACTURING
$39.99Non-Powered 3-To-2 Wire Tail Light Converter Kit * High Quality Taillight Converter* Color Coded Wires* Converts 3-Wire Vehicle Electrical System To Standard 2-Wire Trailer Wiring * 4-Way Flat Output Connects Tail Lights, Brake Lights And Turn Signals *...$39.99