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
-
Emergency Gladhands - 2 Gallon Pail 30 pcs
AUTOMANN USA
$128.991/2 Inch Standard Emergency Gladhands - Red * High Quality Gladhand* Red * 2 Gallon Pail* Emergency * 30 Pieces* Made In USA* Sold As Pack* Warranty On Gladhands Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$128.99 -
Pressure Regulator Valve Haldex Type
AUTOMANN USA
$210.99Haldex Regulator Valve OEM StyleThe Haldex pressure regulator valve manually reduces incoming pressure to the desired output pressure, helping to reduce downtime and lower fleet maintenance costs. This premium valve is designed for optimal performance...$210.99 -
Desiccant Cartridge For ADIS, ADSP Type Air Dryers
AUTOMANN USA
$35.03Replacement AD-IS & AD-SP Air Dryer Desiccant Cartridge * High Quality Desiccant Cartridge* Dimensions:- 6.5 Inch Length- 5.5 Inch OD* For ADIS And ADSP Type Air Dryers* Made In USA* Sold Individually* Warranty On Desiccant Cartridges Against Defects In...$35.03 -
7 Way Coiled Cable Assembly W/ 40 Inch Lead And 12 Inch Lead - 15 Foot
VELVAC
$119.997 Way Coiled Cable Assembly W/ One 40 Inch Lead And One 12 Inch Lead * High Quality Coiled Cable Assembly* 15 Foot Working Length* (1) 40 Inch Lead* (1) 12 Inch Lead* Made In USA* Sold Individually* Warranty On Coiled Cable Assemblies Against Defects In...$119.99 -
On Sale
M Flat Trailer Connector W/ 18 Inch 16 AWG Wires
AFTERMARKET
Now: $1.08Was: $4.69Molded 4-Way Flat Trailer Connector W/ Polarized Plugs & Color Coded Wires * High Quality Trailer Connector * 18 Inch Length* 4-Way * Flat Molded* Male * With Polarized Plugs* 16 AWG * Color-Coded Wires* Splice Into Wiring Assembly For Hook- Up For...Now: $1.08Was: $4.69 -
On Sale
Universal Utility And Tail Light Convertor W/ Cap, 5 Wire To 4 Pole, 5 Ft. Length
AFTERMARKET
Now: $9.85Was: $23.455 Wire To 4 Pole Utility And Tail Light Convertor W/ Cap 5 Ft. In Length * High Quality Utility And Tail Light Convertor* With Cap 5 Ft. In Length* 5-Wire To 4-Pole * For Vehicles With Rear Amber Turn Signals Or Separate Bulbs For Turn Signals And Brake...Now: $9.85Was: $23.45 -
On Sale
7 Pole RV Blade Type Male To 4 Way Flat Female RV Plug Adapter
AFTERMARKET
Now: $2.78Was: $13.257 Pole RV Blade Type Male To 4 Way Flat Female RV Plug Adapter * High Quality Plug Adapter* 7-Pole * RV Blade-Type * Male To 4-Way Flat Female RV Plug Adapter* Sold Individually* Warranty On Plug Adapters Against Defects In Workmanship & Material From...Now: $2.78Was: $13.25 -
On Sale
Trailer Plug Adapter 6 Pole Round Pin Type M To 4 Way Flat FM
AFTERMARKET
Now: $2.34Was: $10.196 Pole Round Pin Type M To 4 Way Flat FM Trailer Plug Adapter * High Quality Trailer Plug Adapter* 6-Pole Round * Pin-Type Male To 4-Way Flat Female Trailer* Sold Individually* Warranty On Trailer Plug Adapters Against Defects In Workmanship & Material...Now: $2.34Was: $10.19 -
Trailer Plug Connector Set, 6 Pole Round FM Socket Vehicle End And 6 Pole Round M Trailer End W/ 20 A Polarized Plugs
AFTERMARKET
$14.27Trailer Plug Connector Set, 20 A Polarized Plugs, W/ 6 Pole Round M/FM Sockets * High Quality Trailer Plug Connector Set* 6-Pole Round Female Socket Vehicle End * 6-Pole Round M Trailer End * 35 Amp Polarized Plugs* Die-Cast Chrome Plated Metal...$14.27 -
On Sale
Trailer Plug Connector Set, 4 Pole Round FM Socket Vehicle End And 4 Pole Round M Trailer End W/ 20 A Polarized Plugs
AFTERMARKET
Now: $7.13Was: $10.19Trailer Plug Connector Set, 20 A Polarized Plugs, W/ 4 Pole Round M/FM Sockets * High Quality Trailer Plug Connector Set* 4-Pole Round Female Socket Vehicle End* 4-Pole Round Male Trailer End Trailer Plug* 20 Amp Polarized Plugs* Die-Cast Chrome Plated...Now: $7.13Was: $10.19 -
6-Way FM Squared Trailer Connector And M 6-Way Squared Trailer Connector W/ 12 Inch 18 AWG Wires
AFTERMARKET
$7.13Moisture Proof 6-Way Squared Trailer Connectors W/ Polarized Plugs & Color Coded Wires * High Quality Trailer Connector* 12 Inch Length * 6-Way Squared * Moisture Proof* Female/Male * With Polarized Plugs* 6-18 AWG 12 Inch Length Color-Coded Wires*...$7.13 -
On Sale
4-Way FM Flat Trailer Connector And M 4-Way Flat Trailer Connector W/ 12 Inch 16 AWG Wires
AFTERMARKET
Now: $4.09Was: $5.85Molded 4-Way Flat Trailer Connectors W/ Polarized Plugs & Color Coded Wires * High Quality Trailer Connectors* 12 Inch Length * 4-Way * Flat Molded* Female/Male * With Polarized Plugs* 4-16 AWG * Color-Coded Wires* Splice Into Wiring Assembly For Hook-...Now: $4.09Was: $5.85