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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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 -
4-Way Flat Connector Plug And Socket W/ 72 Inch Wires
CURT MANUFACTURING
$10.094-Way Flat Connector Plug And Socket * High Quality 4-Way Flat 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 Connector *...$10.09 -
Plastic Document Holder With Clear Twist-On Cover
AFTERMARKET
$9.99Corrosion, Impact & UV-Resistant Plastic Document Holder * High Quality Document Holder* Made Of Plastic* Corrosion, Impact And UV Resistant * Easy To Use Clear Cover With Wire Tether* Interior Spring Keep Documents In Place* Keep Document Dry And Safe*...$9.99 -
1.625 X 9 Inch Stainless Steel Vehicle Document Holder For Shipping Manifests
AFTERMARKET
$16.31Document Holder With Rubber Caps For Secure & Dry Document Securement * High Quality Document Holder* Corrosion Resistant Stainless Steel * Dimensions- 9 Inch Length- 1 5/8 Inch Diameter* Rubber Caps On Both Ends* Tight Seal* Sold Individually * Warranty...$16.31 -
11.5 X 27.25 X 10.25 Inch Red Plastic Front-Loading Fire Extinguisher Case
REALWHEELS
$239.99Red Plastic Fire Extinguisher Case For 13 LB. & 20 Lb. Fire Extinguishers * High Quality Fire Extinguisher Case* Color Red* Dimensions- 10.25 Inch Length- 11.5 Inch Width- 27.25 Inch Height* Plastic Construction* Lightweight* Internal Extinguisher Strap*...$239.99 -
2-Way Coiled Cable 15 Foot 4 Gauge Internally Grounded For Lift Gate Applications
VELVAC
$202.994 Gauge 15 Foot 2-Way Coiled Cable * High Quality Tow Pole Coiled Cable* 15 Foot Length* 4 Gauge Cable* 200 Amps For Lift Gate Applications At 12 VDC* Internally Grounded* Withstand Temperatures Of Negative 85 Degree To 185 Degree Fahrenheit* Durable...$202.99 -
Push & Pull Solenoid Valve 4-Way 2 Position Non-Holding For Air Cylinders
VELVAC
$66.244- Way Push/Pull Solenoid Valve 2 Position Non-Holding For Air Cylinders * High Quality Push / Pull Solenoid Valve* Non Holding* Aluminum Shaft With Delrin Detent Ring Provides Easy Identification Of Valve Position* Nitrile Rubber Seals* Stainless Steel...$66.24 -
Electronic Solenoid Valve, 4-Way , 2 Position For Air Cylinders
AUTOMANN USA
$161.99Four-Way Electronic Solenoid Valve W/ 2 Position, For Air Cylinders * High Quality Electric Solenoid Valve* Air-piloted assist* Anodized Aluminum Black Body* Nitrile Seals For Long Cylce Life* 4 Way, 2 Position* Stainless Steel Hardware* High Impact...$161.99 -
3-In-1 Premium ABS Trailer Cord & Hoses With Spiral Wrap - 13.5 Foot
AFTERMARKET
$249.993-In-1 13.5ft Red & Blue Hose With Wrap, Powder-Coated Maxxgrips & Sonogrip ABS CableThis 13.5 foot 3-in-1 Trailer Air Line and ABS Electrical Cord keeps power lines protected and from becoming tangled by combing the components into one tightly bound...$249.99 -
Gladhand Grip Aluminum Combo
AFTERMARKET
$34.39Gladhand-Grip Maxxgrip Combo * High Quality Gladhand-Grip Combo* Aluminum* Revolutionary New Approach To Ensure Safer And More Complete Connections With Critical Air Lines* Easier Coupling And Uncoupling With Added Leverage* Ergonomic Grip Reduces The...$34.39