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    What Is DEF on a Semi Truck? Fluid, Filters, Problems & Maintenance(Post)

    What Is a DEF (Diesel Exhaust Fluid) Filter? A DEF (Diesel Exhaust Fluid) filter protects the SCR (Selective Catalytic Reduction) system by removing dirt, debris, and contaminants from the DEF supply

    How A/C Driers Work on Your Semi Truck(Post)

    Ever wondered why your semi truck’s AC runs smoothly, or why it suddenly stops working? Your A/C receiver, drier, or accumulator is the unsung heroe of your commercial vehicle.  Maintaining your A/C d

    What Does the FASS Fuel System Do? (Post)

    Diesel fuel often contains air, vapor, water, and fine debris - harmful contaminants that hurt fuel pressure stability, injector life, and injection pump health. FASS (fuel air separation system) help

    Buyers Guide to Aftermarket Air Breather Panels(Post)

    Decorative light panels are an outstanding way to start personalizing your truck. Air breather panels offer tremendous visual appeal and can elevate your big rig's nighttime appearance. There are five

    Seasonal Semi Truck Maintenance Checklist(Post)

    Freezing winter weather temperatures, heavy snow, ice, and road salt take an unseen toll on your semi truck. Corrosion directly affects your semi truck brakes, electrical terminals,  suspension mounts

    Preventative Maintenance Checklist for Semi Trucks(Post)

    In this post, we’ll cover the need for a semi truck preventative maintenance checklist, and some of the common replacement parts you can buy online and ship directly to your specified address. Key Ta

    What are Semi Truck Winter Fronts?(Post)

    A semi-truck winter front is a heavy-duty, weather-resistant cover designed to mount directly over a truck’s front grille. Typically manufactured from reinforced vinyl, canvas, or quilted fabric, it s

    Signs of a Failing Heater Box & What to Do About It(Post)

    Experiencing refreshing cool air in the summer and warm air in the winter is nearly priceless when behind the wheel of a big rig for 11 hours a day. However, if your A/C heater box isn’t working, your

    Semi Truck DPF Systems: How They Work, Problems, Regeneration & Parts(Post)

    Let’s break down how to maintain peak emissions performance and avoid excessive repairs on big truck exhausts. Key Takeaways DPFs trap soot, while DEF reduces harmful nitrogen oxide emissions. Watch

    What Year Did Semi Trucks Get DPF Systems?(Post)

    When Did Semi Trucks Start Using DPF Systems? EPA Rules Explained Diesel particulate filters (DPFs) became standard equipment on new U.S. heavy-duty diesel trucks starting with the 2007 engine model y

    Diesel Truck Engine Maintenance Guide(Post)

    Semi truck engines can last up to one million miles, or more, before they need to be rebuilt or replaced.  During their lifespan, engine system parts experience a lot of heat and pressure, eventually

    Spring Semi-Truck Maintenance: 5 Checks to Prevent Expensive Repairs(Post)

    Winter weather causes corrosion, contamination, wear, and hidden damage. Spring is a great time to inspect the truck thoroughly and stop small problems from becoming giant disasters.  Five Spring Main

    How to Buy the Right Peterbilt 379 Radiator(Post)

    If you want to keep your diesel engine from overheating you need a well-functioning replacement Peterbilt radiator to properly carry the hot coolant through small passages, transfer engine heat into t

    Before You Buy: Semi Truck Deck Plates 101(Post)

    Looking to cover your truck’s frame and get a little more protection, easy access to components, and better style?  In this post, we'll cover how to get the perfect semi truck deck plate for your big

    Best Semi Truck Emergency Kit Accessories to Deter Roadside Breakdowns(Post)

    It’s cold, and late, and you’re suddenly stalled at the side of the road because your semi truck won’t start or won’t budge. If this sounds like a truck driver’s worst nightmare, it’s because it is. 

    Wet Line Kits for Semi Trucks 101: The Basics Explained(Post)

    Ready to transform your rig into a hydraulic powerhouse? A semi-truck wet line kit can do the trick. One of these will turn your truck from a normal highway hauler into a workhorse capable of handlin

    How to Winterize a Semi Truck: The Complete Driver Checklist(Post)

    Cold winter weather, freezing temperatures, snow-covered roads, and adverse weather conditions wreak havoc on semi truck engines and equipment, and can lead to costly repairs if damage occurs. Don’t c

    Spare Semi Truck Parts Every Owner-Operator Should Keep(Post)

    For owner-operators, having the right spare parts on hand is the difference between experiencing devastating downtime and productive uptime. You don’t want to be caught on the side of the road waiting

    What are the Most Frequently Replaced Semi Truck Parts?(Post)

    The parts of a class 8 truck that see the most frequent repair and replacement are areas where tons of heat, friction, and pressure occur. No-brainer, right?  Here are some of the most frequently repl

    Semi Truck DPF Box Covers & Slipcovers: Fitment Guide(Post)

    Semi Truck DPF Box Covers: Types, Fitment & Replacement What Is a DPF Box Cover on a Semi Truck? DPF box covers are exterior panels designed to conceal or protect the aftertreatment housing. They do n

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  • 70 Inch Stainless Blank Sleeper Panels W/O Extension For Freightliner Classic, FLD 120 SBA

    70 Inch Stainless Blank Sleeper Panels W/O Extension For Freightliner Classic, FLD 120 SBA

    PHOENIX DESIGN

    $183.99
    70 Inch Blank Sleeper Panels W/ Extension Fit Freightliner Classic & FLD 120 SBA* High Quality Sleeper Panel* Made Of 304 Stainless Steel * Blank* Extensions Not Included* 70 Inches* For Trucks With...
    03-101200009
    SKU:
    03-101200009
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Length Options:
    70 Inch
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    Finish Options:
    Polished
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $183.99
    Qty in Cart: 0
    Price:
    $183.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    70 Inch Stainless Steel Blank Sleeper Panels For Freightliner Classic, FLD 120 SBA

    70 Inch Stainless Steel Blank Sleeper Panels For Freightliner Classic, FLD 120 SBA

    PHOENIX DESIGN

    Now: $100.79
    Was: $143.99
    70 Inch Blank Sleeper Panels Fit Freightliner Classic & FLD 120 SBA* High Quality Sleeper Panel * Made Of 304 Stainless Steel * Blank* 70 Inches * For Trucks With Rear Mounted Exhaust * Without Lower...
    03-101200022
    SKU:
    03-101200022
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Length Options:
    70 Inch
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    Finish Options:
    Polished
    Light Options:
    Without Lights
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    Now: $100.79
    Was: $143.99
    Qty in Cart: 0
    Price:
    Now: $100.79
    Was: $143.99
    Subtotal:
  • 18.5 Inch Stainless Steel Blank Extension Panels For Ford, Freightliner Classic, FLD 120 SBA

    18.5 Inch Stainless Steel Blank Extension Panels For Ford, Freightliner Classic, FLD 120 SBA

    PHOENIX DESIGN

    $101.99
    18.5 Inch Blank Extension Panels Fit Ford, Freightliner Classic & FLD 120 SBA* High Quality Extension Panel* Made Of 304 Stainless Steel * Blank* 18.5 Inches* For Trucks Without Lower Fairing* Sold...
    03-101200023
    SKU:
    03-101200023
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    Product Type:
    Exterior
    $101.99
    Qty in Cart: 0
    Price:
    $101.99
    Subtotal:
  • 23.5 Inch Stainless Steel Blank Extension Panels For Ford, Freightliner Classic, FLD 120 SBA

    23.5 Inch Stainless Steel Blank Extension Panels For Ford, Freightliner Classic, FLD 120 SBA

    PHOENIX DESIGN

    $106.99
    23.5 Inch Blank Extension Panels Fit Ford, Freightliner Classic & FLD 120 SBA* High Quality Extension Panel* Made Of 304 Stainless Steel * Blank* 25.3 Inches* For Trucks Without Lower Fairing* Sold...
    03-101200025
    SKU:
    03-101200025
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    Product Type:
    Exterior
    $106.99
    Qty in Cart: 0
    Price:
    $106.99
    Subtotal:
  • 58 Inch Stainless Steel Blank Sleeper Panels W/ Extensions For Freightliner Classic, FLD 120 SBA

    58 Inch Stainless Steel Blank Sleeper Panels W/ Extensions For Freightliner Classic, FLD 120 SBA

    PHOENIX DESIGN

    $139.99
    58 Inch Blank Sleeper Panels W/ Extensions Fit Freightliner Classic & FLD 120 SBA* High Quality Sleeper Panel* Made Of 304 Stainless Steel * Blank* 58 Inches* For Trucks With Cab Mounted Exhaust *...
    03-101200007
    SKU:
    03-101200007
    Light Options:
    Without Lights
    Length Options:
    58 Inch
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    Finish Options:
    Polished
    Product Type:
    Exterior
    $139.99
    Qty in Cart: 0
    Price:
    $139.99
    Subtotal:
  • 70 Inch Stainless Blank Sleeper Panels For Freightliner Classic, FLD 120 SBA W/ Cab-Mount Exhaust

    70 Inch Stainless Blank Sleeper Panels For Freightliner Classic, FLD 120 SBA W/ Cab-Mount Exhaust

    PHOENIX DESIGN

    $265.99
    70 Inch Blank Sleeper Panels Fit Freightliner Classic & FLD 120 SBA W/ Cab-Mount Exhaust* High Quality Sleeper Panel* Made Of 304 Stainless Steel * Blank* 70 Inches* For Trucks With Cab Mounted...
    03-101200011
    SKU:
    03-101200011
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Length Options:
    70 Inch
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    Finish Options:
    Polished
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $265.99
    Qty in Cart: 0
    Price:
    $265.99
    Subtotal:
  • 48 Inch Stainless Sleeper Panels W/ Extension, 4 P1 Light Holes For Freightliner Classic, FLD 120 SBA

    48 Inch Stainless Sleeper Panels W/ Extension, 4 P1 Light Holes For Freightliner Classic, FLD 120 SBA

    PHOENIX DESIGN

    $156.99
    48 Inch Sleeper Panels W/ Extension, 4 P1 Light Holes Fit Freightliner Classic & FLD 120 SBA* High Quality Sleeper Panel* Made Of 304 Stainless Steel * 2 P1 Light Holes Per Side* Lights Not Included*...
    03-101200005
    SKU:
    03-101200005
    Light Options:
    Without Lights
    Length Options:
    48 Inch
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    Finish Options:
    Polished
    Product Type:
    Exterior
    $156.99
    Qty in Cart: 0
    Price:
    $156.99
    Subtotal:
  • 70 Inch Stainless Steel Sleeper Panels W/ 8 P1 Light Holes For Freightliner Classic, FLD 120 SBA

    70 Inch Stainless Steel Sleeper Panels W/ 8 P1 Light Holes For Freightliner Classic, FLD 120 SBA

    PHOENIX DESIGN

    $214.99
    70 Inch Sleeper Panels W/ 8 P1 Light Holes Fit Freightliner Classic & FLD 120 SBA* High Quality Sleeper Panel * Made Of 304 Stainless Steel * 4 P1 Light Holes Per Side* Lights Not Included* 70 Inches...
    03-101200021
    SKU:
    03-101200021
    Length Options:
    70 Inch
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    Finish Options:
    Polished
    Product Type:
    Exterior
    $214.99
    Qty in Cart: 0
    Price:
    $214.99
    Subtotal:
  • 48 Inch Stainless Sleeper Panels W/ Extension, 4 P1 Amber/Amber LEDs For Freightliner Classic, FLD 120 SBA

    48 Inch Stainless Sleeper Panels W/ Extension, 4 P1 Amber/Amber LEDs For Freightliner Classic, FLD 120 SBA

    PHOENIX DESIGN

    $202.99
    48 Inch Sleeper Panels W/ Extension, 4 P1 Amber LED Amber Lens Lights Fit Freightliner Classic & FLD 120 SBA* High Quality Sleeper Panel* Made Of 304 Stainless Steel * 2 P1 Lights Per Side* Amber...
    03-101200003
    SKU:
    03-101200003
    Length Options:
    48 Inch
    Location:
    Made In USA
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    Finish Options:
    Polished
    Product Type:
    Exterior
    $202.99
    Qty in Cart: 0
    Price:
    $202.99
    Subtotal:
  • 58 Inch Stainless Sleeper Panels W/ Extension, 6 P1 Amber/Amber LEDs For Freightliner Classic, FLD 120 SBA

    58 Inch Stainless Sleeper Panels W/ Extension, 6 P1 Amber/Amber LEDs For Freightliner Classic, FLD 120 SBA

    PHOENIX DESIGN

    $265.99
    58 Inch Sleeper Panels W/ Extension, 6 P1 Amber LED Amber Lens Lights Fit Freightliner Classic & FLD 120 SBA* High Quality Sleeper Panel* Made Of 304 Stainless Steel * 58 Inch* (3) P1 Lights Per...
    03-101200006
    SKU:
    03-101200006
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Length Options:
    58 Inch
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    Finish Options:
    Polished
    Product Type:
    Exterior
    $265.99
    Qty in Cart: 0
    Price:
    $265.99
    Subtotal:
  • 70 Inch Stainless Steel Sleeper Panels W/ 8 P1 Amber/Amber LEDs For Freightliner Classic, FLD 120 SBA

    70 Inch Stainless Steel Sleeper Panels W/ 8 P1 Amber/Amber LEDs For Freightliner Classic, FLD 120 SBA

    PHOENIX DESIGN

    $316.99
    70 Inch Sleeper Panels W/ 8 P1 Amber LED Amber Lens Lights Fit Freightliner Classic & FLD 120 SBA* High Quality Sleeper Panel* Made Of 304 Stainless Steel * 5 P1 Lights Per Side* Amber LED/Clear...
    03-101200019
    SKU:
    03-101200019
    Length Options:
    84 Inch
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Light Options:
    With Lights
    Make:
    Freightliner
    Finish Options:
    Polished
    Product Type:
    Exterior
    $316.99
    Qty in Cart: 0
    Price:
    $316.99
    Subtotal:
  • 23.5 Inch Stainless Steel Extension Panels W/ 4 P1 Amber/Clear LEDs For Freightliner Classic, FLD 120 SBA

    23.5 Inch Stainless Steel Extension Panels W/ 4 P1 Amber/Clear LEDs For Freightliner Classic, FLD 120 SBA

    PHOENIX DESIGN

    $161.99
    23.5 Inch Extension Panels W/ 4 P1 Amber LED Clear Lens Lights Fit Ford, Freightliner Classic & FLD 120 SBA* High Quality Extension Panel* Made Of 304 Stainless Steel * 2 P1 Lights Per Side* Amber...
    03-101200024
    SKU:
    03-101200024
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    Product Type:
    Exterior
    $161.99
    Qty in Cart: 0
    Price:
    $161.99
    Subtotal:
  • 48 Inch Stainless Sleeper Panels W/ Extension, 4 P1 Amber/Clear LEDs For Freightliner Classic, FLD 120 SBA

    48 Inch Stainless Sleeper Panels W/ Extension, 4 P1 Amber/Clear LEDs For Freightliner Classic, FLD 120 SBA

    PHOENIX DESIGN

    $205.99
    48 Inch Sleeper Panels W/ Extension, 4 P1 Amber LED Clear Lens Lights Fit Freightliner Classic & FLD 120 SBA* High Quality Sleeper Panel* Made Of 304 Stainless Steel * 2 P1 Lights Per Side* Amber...
    03-101200004
    SKU:
    03-101200004
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Length Options:
    48 Inch
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    Finish Options:
    Paintable
    Product Type:
    Exterior
    $205.99
    Qty in Cart: 0
    Price:
    $205.99
    Subtotal:
  • 84 Inch Stainless Sleeper Panels W/ Extensions, 10 P1 Amber/Clear LEDs For Freightline Classic, FLD 120 SBA

    84 Inch Stainless Sleeper Panels W/ Extensions, 10 P1 Amber/Clear LEDs For Freightline Classic, FLD 120 SBA

    PHOENIX DESIGN

    $410.99
    84 Inch Sleeper Panels W/ Extensions, 10 P1 Amber LED Clear Lens Lights Fit Freightline Classic & FLD 120 SBA* High Quality Sleeper Panel* Made Of 304 Stainless Steel * 5 P1 Lights Per Side* Amber...
    03-101200013
    SKU:
    03-101200013
    Length Options:
    84 Inch
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    Finish Options:
    Paintable
    Light Options:
    With Lights
    Product Type:
    Exterior
    $410.99
    Qty in Cart: 0
    Price:
    $410.99
    Subtotal:
  • 70 Inch Stainless Sleeper Panels W/ Extensions, 8 P1 Amber/Clear LEDs For Freightliner Classic, FLD 120 SBA

    70 Inch Stainless Sleeper Panels W/ Extensions, 8 P1 Amber/Clear LEDs For Freightliner Classic, FLD 120 SBA

    PHOENIX DESIGN

    $333.99
    70 Inch Sleeper Panels W/ Extensions, 8 P1 Amber LED Clear Lens Lights Fit Freightliner Classic & FLD 120 SBA* High Quality Sleeper Panel* Made Of 304 Stainless Steel * 4 P1 Lights Per Side* Amber...
    03-101200008
    SKU:
    03-101200008
    Truck Class:
    Heavy Duty
    Length Options:
    70 Inch
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    Finish Options:
    Paintable
    Light Options:
    With Lights
    Product Type:
    Exterior
    $333.99
    Qty in Cart: 0
    Price:
    $333.99
    Subtotal:
  • 70 Inch Stainless Steel Sleeper Panels W/ 8 P1 Amber/Clear LEDs For Freightliner Classic, FLD 120 SBA W/O Extensions

    70 Inch Stainless Steel Sleeper Panels W/ 8 P1 Amber/Clear LEDs For Freightliner Classic, FLD 120 SBA W/O Extensions

    PHOENIX DESIGN

    $342.99
    70 Inch Sleeper Panels W/ 8 P1 Amber LED Clear Lens Lights Fit Freightliner Classic & FLD 120 SBA* High Quality Sleeper Panel* Made Of 304 Stainless Steel * 4 P1 Lights Per Side* Amber LED/Clear...
    03-101200010
    SKU:
    03-101200010
    Length Options:
    70 Inch
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    Finish Options:
    Paintable
    Light Options:
    With Lights
    Product Type:
    Exterior
    $342.99
    Qty in Cart: 0
    Price:
    $342.99
    Subtotal:
  • 70 Inch Stainless Steel Sleeper Panels W/ 8 P1 Amber/Clear LEDs For Freightliner Classic, FLD 120 SBA W/O Lower Fairings

    70 Inch Stainless Steel Sleeper Panels W/ 8 P1 Amber/Clear LEDs For Freightliner Classic, FLD 120 SBA W/O Lower Fairings

    PHOENIX DESIGN

    $316.99
    70 Inch Sleeper Panels W/ 8 P1 Amber LED Clear Lens Lights Fit Freightliner Classic & FLD 120 SBA* High Quality Sleeper Panel * Made Of 304 Stainless Steel * 4 P1 Lights Per Side* Amber LED/Clear...
    03-101200020
    SKU:
    03-101200020
    Location:
    Made In USA
    Length Options:
    70 Inch
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    Finish Options:
    Paintable
    Product Type:
    Exterior
    $316.99
    Qty in Cart: 0
    Price:
    $316.99
    Subtotal:
  • 84 Inch Stainless Sleeper Panels W/ 10 P1 Amber/Amber LEDs For Freightline Classic, FLD 120 SBA

    84 Inch Stainless Sleeper Panels W/ 10 P1 Amber/Amber LEDs For Freightline Classic, FLD 120 SBA

    PHOENIX DESIGN

    $406.99
    84 Inch Sleeper Panels W/ 10 P1 Amber LED Amber Lens* High Quality Sleeper Panel* Made Of 304 Stainless Steel * 5 P1 Lights Per Side* Amber LED/Amber Lens* 84 Inches* For Trucks With Cab Mounted...
    03-101200012
    SKU:
    03-101200012
    Length Options:
    84 Inch
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Light Options:
    With Lights
    Make:
    Freightliner
    Finish Options:
    Polished
    Product Type:
    Exterior
    $406.99
    Qty in Cart: 0
    Price:
    $406.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Plain Black Mesh Bug Screen W/ Black Vinyl For Freightliner FLD120 & Classic

    Plain Black Mesh Bug Screen W/ Black Vinyl For Freightliner FLD120 & Classic

    ROBERT JAMES ENTERPRISES

    $129.99
    Freightliner Plain Black Bug Screen W/ Heavy Duty Trim By Robert James EnterprisesAre you looking to find a highly durable bug screen to protect your radiator and engine from bugs and road debris?...
    03-1204199105
    SKU:
    03-1204199105
    Color:
    Black
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Make:
    Freightliner
    Material Options:
    Vinyl
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $129.99
    Qty in Cart: 0
    Price:
    $129.99
    Subtotal:
  • Belmor Winter Front For Freightliner Classic & FLD120 Fixed Mount

    Belmor Winter Front For Freightliner Classic & FLD120 Fixed Mount

    BELMOR

    $69.99
    Thick Reinforced White Winter Front Fits Freightliner Classic & FLD120If you are about to start driving in temperatures below 40 degrees Fahrenheit, 4 State Trucks offer this high quality Winter...
    03-120619900
    SKU:
    03-120619900
    Truck Class:
    Heavy Duty
    Color:
    White
    Location:
    Made In USA
    Material Options:
    Vinyl
    Make:
    Freightliner
    Product Type:
    Exterior
    $69.99
    Qty in Cart: 0
    Price:
    $69.99
    Subtotal:
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