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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

    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

    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

    5 Unique Lug Nut Cover Styles to Give Your Truck a More Polished Look(Post)

    Semi truck lug nut covers aren’t just useful in protecting your lug nut and wheel studs, but they’re a great way to achieve a more polished, cleaner look at a low-cost.  Here are some of the coolest-l

    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

    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

    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. 

    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

    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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    FF2200FLG Cummins ISX Fuel Filter

    FF2200FLG Cummins ISX Fuel Filter

    OPP - ORIGINAL PARTS PROGRAM

    $32.90
    Fleetguard Filter-Fuel ID: FF2200* High Quality Fuel Filter* Sold Individually* Warranty On Fuel Filters Against Defects In Workmanship & Material From Date Of Purchase*** This Is An OEM Replacement...
    FF2200FLG
    SKU:
    FF2200FLG
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $32.90
    Qty in Cart: 0
    Price:
    $32.90
    Subtotal:
  • FREE SHIPPING OVER $249
    FF2203 Fleetguard Fuel Filter Cummins ISX

    FF2203 Fleetguard Fuel Filter Cummins ISX

    OPP - ORIGINAL PARTS PROGRAM

    $40.85
    FF2203 Fleetguard Fuel Filter Cummins ISX* High Quality Fuel Filter* Alternate Fuel/Water Separator With Drain FS1023* Replaces OEM # 4010476* Sold Individually* Warranty On Fuel Filters Against...
    FF2203FLG
    SKU:
    FF2203FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $40.85
    Qty in Cart: 0
    Price:
    $40.85
    Subtotal:
  • Stainless Steel Diesel Particulate Filter Replaces 261-2318, 220-6054, 264-1556 For Caterpillar C9 Engine

    Stainless Steel Diesel Particulate Filter Replaces 261-2318, 220-6054, 264-1556 For Caterpillar C9 Engine

    GLOBAL EMISSIONS

    $2,589.99
    Stainless Steel Diesel Particulate Filter Fits Caterpillar C9 Engine* High Quality Diesel Particulate Filter* Made Of Stainless Steel * OEM Quality Clamps And Gaskets Included* Sold Individually *...
    29-080600040
    SKU:
    29-080600040
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $2,589.99
    Qty in Cart: 0
    Price:
    $2,589.99
    Subtotal:
  • Intake Pre-Filter For LAF3551 Air Filter

    Intake Pre-Filter For LAF3551 Air Filter

    FREEDOM AIR FILTERS

    $76.99
    Intake Pre-Filter For P153551 Air Filter* High Quality Polyester Mesh Pre-Filter* This Is A Pre-Filter Wrap That Covers The Air Filter Element. Air Filter Element Not Included. Sold Separately.* Fits...
    09-0723000
    SKU:
    09-0723000
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Make:
    Western Star
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $76.99
    Qty in Cart: 0
    Price:
    $76.99
    Subtotal:
  • On Sale
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    RigMaster Diesel Glow Plug 2 3/4 Inch For Caterpillar, Perkins Engines

    RigMaster Diesel Glow Plug 2 3/4 Inch For Caterpillar, Perkins Engines

    RIGMASTER

    Now: $49.89
    Was: $81.42
    2 3/4 Inch Long Diesel Glow Plug - 185366220* High Quality Glow Plug* 2 3/4 Inch Length* Sold Individually * Warranty On Glow Plugs Against Defects In Workmanship & Material From Date Of Purchase***...
    185366220
    SKU:
    185366220
    Material Options:
    Steel
    Location:
    Made In USA
    Length Options:
    2 3/4 Inch
    Truck Class:
    Heavy Duty
    Make:
    Other - Semi-Truck
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $49.89
    Was: $81.42
    Qty in Cart: 0
    Price:
    Now: $49.89
    Was: $81.42
    Subtotal:
  • 12 Inch Stainless Steel Bumper With Tow Holes For Freightliner FL50, FL60, FL70, FL80

    12 Inch Stainless Steel Bumper With Tow Holes For Freightliner FL50, FL60, FL70, FL80

    VALLEY CHROME PLATING

    $1,056.99
    Freightliner 12 Inch Stainless Steel Bumper By Valley Chrome* High Quality Bumper* Stainless Steel* 12 Inch Height* Has Tow Holes* Made In USA* Sold Individually * Warranty On Bumpers Against Defects...
    CK022015S
    SKU:
    CK022015S
    Height Options:
    12 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Style Options:
    Set Back Axle
    Product Type:
    Bumpers
    Make:
    Freightliner
    $1,056.99
    Qty in Cart: 0
    Price:
    $1,056.99
    Subtotal:
  • On Sale
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    CSM Diamond Plate Aluminum Tool BoxCover- 40 Inch For Kenworth W900B & W900L 2005-Newer

    CSM Diamond Plate Aluminum Tool BoxCover- 40 Inch For Kenworth W900B & W900L 2005-Newer

    CHROME SHOP MAFIA

    Now: $261.09
    Was: $372.99
    40 Inch Diamond Plate Aluminum Tool Box Cover Fits Kenworth By Chrome Shop MafiaAdd durability and style to your Kenworth W900B or W900L with the Chrome Shop Mafia Diamond Plate Aluminum Tool Box...
    02-0502206
    SKU:
    02-0502206
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Length Options:
    40 Inch
    Material Options:
    Aluminum
    Make:
    Kenworth
    Finish Options:
    Diamond Plate
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    Now: $261.09
    Was: $372.99
    Qty in Cart: 0
    Price:
    Now: $261.09
    Was: $372.99
    Subtotal:
  • On Sale
    Bostrom Seat Tilt Kit For Wide Ride Truck Seat

    Bostrom Seat Tilt Kit For Wide Ride Truck Seat

    BOSTROM TRUCK SEATS

    Now: $15.41
    Was: $48.25
    Bostrom Replacement Seat Tilt KitThe Replacement Tilt Rod and Handle Assembly is designed for all Bostrom Wide Ride seats. This kit offers a simple solution for replacing any worn-out or damaged tilt...
    6222071001
    SKU:
    6222071001
    Product Type:
    Seats
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Now: $15.41
    Was: $48.25
    Qty in Cart: 0
    Price:
    Now: $15.41
    Was: $48.25
    Subtotal:
  • Bostrom Truck Seat 900/700 Suspension Hardware Kit

    Bostrom Truck Seat 900/700 Suspension Hardware Kit

    BOSTROM TRUCK SEATS

    $36.39
    Replacement Suspension Hardware Kit for Bostrom 900/700 SeatThis suspension hardware kit fits Bostrom 700 and 900 series seats. The kit includes brackets, pins, bushings, and fasteners for seat...
    6222076001
    SKU:
    6222076001
    Product Type:
    Seats
    Position:
    Kit Full
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $36.39
    Qty in Cart: 0
    Price:
    $36.39
    Subtotal:
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    2 1/2 Inch Round Rubber Grommet W/ Open Back

    2 1/2 Inch Round Rubber Grommet W/ Open Back

    TRUX ACCESSORIES

    $2.53
    Rubber Grommet For 2.5 Inch Round LightsAre You Installing New Lighting In Your Truck? This Rubber Grommet Fits 2.5 Inch LEDs That Are Located Further Away From The Road Surface. Made Of...
    09-160220
    SKU:
    09-160220
    Truck Class:
    Universal
    Diameter Options:
    2 1/2 Inch
    Material Options:
    Rubber
    Shape Options:
    Round
    Make:
    Universal Items
    Product Type:
    Lighting
    Color:
    Black
    Ready To Ship:
    Yes
    $2.53
    Qty in Cart: 0
    Price:
    $2.53
    Subtotal:
  • BESTfit Diamond Plate Aluminum Tool Box W/ Smooth Sides & New Style Step 31 X 30 X 15 Inch For Peterbilt 378, 379, 389 Glider

    BESTfit Diamond Plate Aluminum Tool Box W/ Smooth Sides & New Style Step 31 X 30 X 15 Inch For Peterbilt 378, 379, 389 Glider

    BESTFIT TRUCK PARTS

    $866.99
    31 X 30 X 15 Inch Diamond Plate Aluminum Tool Box W/ Smooth Sides & New Style Step By BESTfit Fits Peterbilt 378, 379, 389 GliderLooking for a sturdy, reliable toolbox for your Peterbilt 378, 379, or...
    01-05022000
    SKU:
    01-05022000
    Length Options:
    31 Inch
    Material Options:
    Aluminum
    Finish Options:
    Diamond Plate
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    Height Options:
    15 Inch
    Width Options:
    30 Inch
    $866.99
    Qty in Cart: 0
    Price:
    $866.99
    Subtotal:
  • BESTfit Chrome 22 Inch Raptor X8 Bumper W/ Squared Ends Mounting & Tow Holes For Peterbilt 357/378 SFA & 379

    BESTfit Chrome 22 Inch Raptor X8 Bumper W/ Squared Ends Mounting & Tow Holes For Peterbilt 357/378 SFA & 379

    BESTFIT TRUCK PARTS

    $1,011.99
    Chrome 22 Inch Raptor X8 Bumper W/ Squared Ends Mounting & Tow Holes By BESTfit Fits Peterbilt 357/378 SFA & 379The BestFit Chrome 22 Inch Raptor X8 Bumper with squared ends and tow holes is...
    01-010022035
    SKU:
    01-010022035
    Finish Options:
    Chrome-Plated
    Height Options:
    22 Inch
    Size Options:
    10 Gauge
    Style Options:
    Raptor X8
    Product Type:
    Bumpers
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    Type Options:
    Standard Mount
    $1,011.99
    Qty in Cart: 0
    Price:
    $1,011.99
    Subtotal:
  • BESTfit Chrome 22 Inch Raptor X8 Bumper W/ Squared Ends Mounting & Tow Holes For Peterbilt

    BESTfit Chrome 22 Inch Raptor X8 Bumper W/ Squared Ends Mounting & Tow Holes For Peterbilt

    BESTFIT TRUCK PARTS

    $963.99
    Chrome 22 Inch Raptor X8 Bumper W/ Squared Ends Mounting & Tow Holes By BESTfit Fits PeterbiltDurability meets design in the BestFit Chrome 22 Inch Raptor X8 Bumper with squared ends and tow holes...
    01-010022036
    SKU:
    01-010022036
    Height Options:
    22 Inch
    Size Options:
    10 Gauge
    Style Options:
    Raptor X8
    Finish Options:
    Chrome-Plated
    Product Type:
    Bumpers
    Material Options:
    Steel
    Type Options:
    Standard Mount
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    $963.99
    Qty in Cart: 0
    Price:
    $963.99
    Subtotal:
  • BESTfit Chrome 22 Inch Raptor X8 Bumper, 10 Gauge W/ Squared Ends & Tow Holes For Kenworth W900B, W900L

    BESTfit Chrome 22 Inch Raptor X8 Bumper, 10 Gauge W/ Squared Ends & Tow Holes For Kenworth W900B, W900L

    BESTFIT TRUCK PARTS

    $1,011.99
    BESTfit Kenworth 10 Gauge Chrome-Plated Steel 22 Inch Raptor X8 Bumper W/ Squared Ends, Mounting & Tow Holes* High Quality Bumper* Made Of 10 Gauge Chrome Plated Steel* 22 Inches Height * Raptor...
    02-010022039
    SKU:
    02-010022039
    Height Options:
    22 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Raptor X8
    Material Options:
    Steel
    Make:
    Kenworth
    Finish Options:
    Chrome-Plated
    Product Type:
    Bumpers
    Type Options:
    Standard Mount
    Size Options:
    10 Gauge
    Ready To Ship:
    Yes
    $1,011.99
    Qty in Cart: 0
    Price:
    $1,011.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Bostrom Air Bag For Standard Base Seat 6222086001

    Bostrom Air Bag For Standard Base Seat 6222086001

    BOSTROM TRUCK SEATS

    $193.99
    Air Bag For HiPro SeatUpgrade your old suspension seat with this top-quality air bag replacement for improved comfort. Say goodbye to discomfort and hello to a smoother ride with this essential...
    6222086001
    SKU:
    6222086001
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $193.99
    Qty in Cart: 0
    Price:
    $193.99
    Subtotal:
  • Front Door Glass Run Weather Strip Channel Replaces OEM R70-6013-2200 For Peterbilt

    Front Door Glass Run Weather Strip Channel Replaces OEM R70-6013-2200 For Peterbilt

    OPP - ORIGINAL PARTS PROGRAM

    $91.99
    Replacement Peterbilt Weather Strip Channel For Glass Run New Style Door With No VentInstall this Peterbilt door glass run channel to protect your windows, stop leaks, and eliminate rattles. This...
    R7060132200
    SKU:
    R7060132200
    Color:
    Black
    Product Type:
    Exterior
    Make:
    Peterbilt
    $91.99
    Qty in Cart: 0
    Price:
    $91.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Interior Fresh Air Filter For Peterbilt

    Interior Fresh Air Filter For Peterbilt

    CAB FRESH FILTER CO.

    $22.07
    Peterbilt Interior Fresh Air Filter AssemblyKeep the inside of your cab fresh with this aftermarket interior filter from CAB Fresh. This filter features internal antimicrobials that stops mold...
    01-1503026
    SKU:
    01-1503026
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Cloth
    Make:
    Peterbilt
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $22.07
    Qty in Cart: 0
    Price:
    $22.07
    Subtotal:
  • FREE SHIPPING OVER $249
    Pre-Filter For Air Cleaner For Kenworth & Peterbilt

    Pre-Filter For Air Cleaner For Kenworth & Peterbilt

    CAB FRESH FILTER CO.

    $33.71
    Pre-Filter For Air Cleaner Fits Kenworth & PeterbiltWe offer aftermarket CAB Fresh pre-filters for air cleaners that fits Kenworth T680, T880, Peterbilt 567 and 579 big rigs. It features activated...
    29-0905708
    SKU:
    29-0905708
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Cloth
    Make:
    Peterbilt
    Make:
    Kenworth
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $33.71
    Qty in Cart: 0
    Price:
    $33.71
    Subtotal:
  • FREE SHIPPING OVER $249
    Interior Fresh Air Filter Assembly For Peterbilt

    Interior Fresh Air Filter Assembly For Peterbilt

    CAB FRESH FILTER CO.

    $46.91
    Peterbilt Fresh Air Filter AssemblyFind aftermarket interior filters with assembly from CAB Fresh at 4 State Trucks. This filter features internal antimicrobials that stops mold growth, reduces odor...
    01-1503025
    SKU:
    01-1503025
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Cloth
    Make:
    Peterbilt
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $46.91
    Qty in Cart: 0
    Price:
    $46.91
    Subtotal:
  • FREE SHIPPING OVER $249
    Air Filter Assembly For HVAC For Peterbilt & Kenworth

    Air Filter Assembly For HVAC For Peterbilt & Kenworth

    CAB FRESH FILTER CO.

    $38.75
    Air Filter Assembly Fits Peterbilt & KenworthAt 4 State Trucks we offer aftermarket CAB Fresh air filter assemblies for Peterbilt 567 and 579 models, and Kenworth T680 and T880 models. The air filter...
    29-1503002
    SKU:
    29-1503002
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Cloth
    Make:
    Peterbilt
    Make:
    Kenworth
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $38.75
    Qty in Cart: 0
    Price:
    $38.75
    Subtotal:
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