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.
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Nylon Green 3/8 Inch x 100 Inch Tubing
VELVAC
$1.30Green Tubing For Air Brake Systems * High Quality Tubing* Nylon* Green* 0.375 Inch* Made In USA* Sold Per Foot* Warranty On Tubing Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)****...$1.30 -
Nylon Yellow 3/8 Inch x 100 Inch Tubing
VELVAC
$1.30Yellow Tubing For Air Brake Systems * High Quality Tubing* Nylon* Yellow* 0.375 Inch* Made In USA* Sold Per Foot * Warranty On Tubing Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...$1.30 -
2 Pin 2 Way Receptacle Dual Pole Socket
AFTERMARKET
$26.47Dual Pole Socket * Made Of High Quality Zinc Die Cast And ABS Plastic* Double Plated Brass Pins* Dual Pole Socket Can be Used For Liftgate Applications Utilizing Trailer Battery Pack* 100 Amp Capacity* Split Pins* Stainless Steel Hinge Pin And Spring*...$26.47 -
Diecast Trailer Receptacle With Flap & Split
VELVAC
$15.99Trailer Receptacle * Made Of High Quality Die Cast* 6 Way* With Flap And Split Pins* Sold Individually* Warranty On Trailer Receptacle Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...$15.99 -
Electric Cord Assembly - 12 Foot
OPP - ORIGINAL PARTS PROGRAM
$81.25Electric Cord Assembly * High Quality Electric Cord Assembly* The Following Assembly4 - 12 Gauge2 - 10 Gauge1 - 8 Gauge* Wires With Diecast Plugs* Sold Individually* Warranty On Electric Cord Assembly Against Defects In Workmanship & Material From Date...$81.25 -
Glad Hand Blue Service Angled With Quick Release Bottom Port
OPP - ORIGINAL PARTS PROGRAM
$35.89Glad Hand Blue Service Angled With Quick Release * Made Of High Quality Aluminum* Blue For Service Side* 3/8 Inch Female Pipe Thread Bottom Port* 38 Degree Angle Surface Mount* Trailer Brakes Are Released Up To 50% Faster Than With Conventional Methods*...$35.89 -
On Sale
Glad Hand Blue Service Angled With Quick Release Rear Port
AFTERMARKET
Now: $16.85Was: $39.19Glad Hand Blue Service Angled With Quick Release * Made Of High Quality Aluminum* Blue For Service Side* 3/8 Inch Female Pipe Thread Rear Port With Filter Screen* 38 Degree Angle Surface Mount* Trailer Brakes Are Released Up To 50% Faster Than With...Now: $16.85Was: $39.19 -
Black Plastic Glad Hand Plug Holder W/ 3 Bolt Mount
VELVAC
$31.98Glad Hand Plug Holder * High Quality Glad Hand Plug Holder* Made Plastic* Black Color* 2 Glad Hands* Will Hold 2 Large Cord Plugs And 2 Glad Hands* 3 Bolt Mount* Sold Individually*** High Quality Aftermarket Replacement Part (Not OEM)***** Replaces OE...$31.98 -
Brass Electric Air Solenoid 12 Volt Normally Closed
HORNBLASTERS
$76.29Electric Air Solenoid * High Quality Electric Air Solenoid * Made Of Brass * Great For Operating High Volume Air Horns And Train Horns* 12 Volt * Normally Closed - Opens When Power Is Applied* 1/2 Inch NPT Inlet And Outlet* 0 - 145 PSI Operating Range*...$76.29 -
7 Way Receptacle QCS Socket STA Dryer, Bullet Termination, Locking Clip
OPP - ORIGINAL PARTS PROGRAM
$33.977 Way Receptacle Replaces Phillips #16-826 * High Quality Receptacle* ISO QCS Socket STA Dry* Replaces Phillips #16-826* Sold Individually* Warranty On Socket Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket...$33.97 -
Plastic 3 Line Trailer Cord Holder
OPP - ORIGINAL PARTS PROGRAM
$14.27Trailer Cord Holder * Made Of high quality plastic* 3 line quick snap* Sold Individually* Made In The USA* Warranty On Cord Holder Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket Replacement Part (Not...$14.27 -
Black 6 X 24 Inch Anti-Slip Step Treads
AFTERMARKET
$13.25Commercial Grade Anti-Slip Tread * High Quality Treads* 6 Inch x 24 Inch* Black* Commercial Grade* Silicon Carbide Grit Provides Consistent Slip Resistance & Durability* NFSI Certified For High Traction* Aggressive Adhesive System For Longevity Of...$13.25