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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

    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

    How to Choose the Right W990 Drop Visor(Post)

    The best Kenworth W990 drop visor depends on your design preference, mounting configuration, and windshield type or cab style (curved or flat). Buying a Custom W990 Truck Visor Online?  If you're brow

    T880 Visor Ultimate Buyer's Guide(Post)

    There are countless Kenworth T880 visor options to choose from depending on the theme and style you’re going for. Here's a quick buyer's guide for Kenworth T880 aftermarket visors. Before you buy, con

    Haul of Fame: Equipment Express's "Doc Holliday” A 2007 Peterbilt Legacy 379 Built to Legend(Post)

    Why "Doc Holliday" Earns a Spot in the Haul of Fame Every now and then, a truck rolls through that stops you dead in your tracks. "Doc Holliday," the custom 2007 Peterbilt Legacy 379 built by Equipmen

    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 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

    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

    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

    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. 

    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

    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

    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

    Semi-Truck Mattress Sizes: Fitment Chart & Buying Guide(Post)

    Looking for the right sized semi truck mattress? Every long-haul trucker should prioritize spending a sizeable portion of their budget on a quality mattress and driver's seat. That's where you spend

    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

    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

    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

    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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  • HVAC Control Panel - Replaces A22 - 73492 - 003, A22 - 73492 - 007 For Western Star 5700XEl 2018+

    HVAC Control Panel - Replaces A22 - 73492 - 003, A22 - 73492 - 007 For Western Star 5700XEl 2018+

    OPP - ORIGINAL PARTS PROGRAM

    $1,088.99
    HVAC Control Panel For Newer Western Star 5700XE* High Quality HVAC Control Panel * For Cab* Fits Western Star 5700XE* Direct OE Replacement Part* Sold Individually* Warranty On HVAC Control Panel...
    14-1503007OE
    SKU:
    14-1503007OE
    Truck Class:
    Heavy Duty
    Make:
    Western Star
    OEM:
    OEM
    Product Type:
    Interior
    $1,088.99
    Qty in Cart: 0
    Price:
    $1,088.99
    Subtotal:
  • Stainless Steel Diesel Particulate Filter Replaces 2604430C91 For International W/ MaxxForce 9 Engine

    Stainless Steel Diesel Particulate Filter Replaces 2604430C91 For International W/ MaxxForce 9 Engine

    GLOBAL EMISSIONS

    $2,004.99
    Stainless Steel Diesel Particulate Filter Fits International W/ MaxxForce 9 Engine - Replaces 2604430C91* High Quality Diesel Particulate Filter* Made Of 430 Stainless Steel* OEM Quality Clamps And...
    07-080600007
    SKU:
    07-080600007
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    International
    Product Type:
    Exhaust
    $2,004.99
    Qty in Cart: 0
    Price:
    $2,004.99
    Subtotal:
  • 3 Layer Replacement Air Filter Wrap For 29-090500004 High Performance Air Filter

    3 Layer Replacement Air Filter Wrap For 29-090500004 High Performance Air Filter

    FLEET FILTERS

    $383.99
    3 Layer Replacement Air Filter Wrap For High Performance Air Filter* High Quality Replacement Air Filter Wrap* For 29-090500005* 3 Layer Design* Does Not Come Pre-Oiled* Oil Is Required Before...
    29-090500007
    SKU:
    29-090500007
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Make:
    Kenworth
    Make:
    Freightliner
    Make:
    Peterbilt
    Make:
    GMC
    Product Type:
    Exterior
    $383.99
    Qty in Cart: 0
    Price:
    $383.99
    Subtotal:
  • High Flow Performance Air Filter With Washable Element Media For Freightliner, International & Peterbilt

    High Flow Performance Air Filter With Washable Element Media For Freightliner, International & Peterbilt

    FLEET FILTERS

    $444.99
    High Performance Air Filter Media, Replaces FA3516You never need to waste money on paper filters again! 4 State Trucks proudly offers Fleet Air Filters, the only lifetime, washable, high flow, air...
    29-071300007
    SKU:
    29-071300007
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $444.99
    Qty in Cart: 0
    Price:
    $444.99
    Subtotal:
  • FREE SHIPPING OVER $249
    HVAC Pre-Filter For Kenworth & Peterbilt

    HVAC Pre-Filter For Kenworth & Peterbilt

    FREEDOM AIR FILTERS

    $42.05
    Air Intake HVAC Fits Kenworth T680/T880 And Peterbilt 567/579* High Quality Polyester Mesh Pre-Filter* Mounting Clips Included - Grilles Not Included* Installs Under Hood On Passenger Side Beneath...
    29-1503007
    SKU:
    29-1503007
    Truck Class:
    Heavy Duty
    Color:
    Black
    Material Options:
    Plastic/Poly
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $42.05
    Qty in Cart: 0
    Price:
    $42.05
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 1 Inch Oil Filler Cap W/ T Handle

    TPHD 1 Inch Oil Filler Cap W/ T Handle

    TPHD

    $11.12
    Oil Filler Cap By TPHD* High Quality Oil Filler Cap* 1 Inch* Sold Individually* Warranty On Oil Filler Cap Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...
    09-072007
    SKU:
    09-072007
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $11.12
    Qty in Cart: 0
    Price:
    $11.12
    Subtotal:
  • BESTfit Diesel Particulate Filter For Caterpillar Engine Replaces 20R8031, 3583668, D2011SA

    BESTfit Diesel Particulate Filter For Caterpillar Engine Replaces 20R8031, 3583668, D2011SA

    BESTFIT TRUCK PARTS

    $6,141.99
    Diesel Particulate Filter By BESTfit Replaces 20R8031, 3583668, D2011SA Fits Caterpillar EngineEnsure optimal emissions performance with the BESTfit Caterpillar DPF for heavy-duty engines. Replacing...
    29-08090073
    SKU:
    29-08090073
    Style Options:
    Caterpillar
    Product Type:
    Exhaust
    Make:
    Universal Items
    $6,141.99
    Qty in Cart: 0
    Price:
    $6,141.99
    Subtotal:
  • BESTfit Diesel Particulate Filter For Cummins ISX Engine Replaces 2871838, 5289769, C0F5SA

    BESTfit Diesel Particulate Filter For Cummins ISX Engine Replaces 2871838, 5289769, C0F5SA

    BESTFIT TRUCK PARTS

    $2,621.99
    Diesel Particulate Filter By BESTfit Replaces 2871838, 5289769, C0F5SA Fits Cummins ISX EngineMaintain clean emissions and reliable performance with the BESTfit Cummins Diesel Particulate Filter...
    29-08090077
    SKU:
    29-08090077
    Product Type:
    Exhaust
    Style Options:
    Cummins
    Make:
    Universal Items
    $2,621.99
    Qty in Cart: 0
    Price:
    $2,621.99
    Subtotal:
  • BESTfit Diesel Particulate Filter For Cummins ISM Engine Replaces 4352989, AMN1003, C0022SA

    BESTfit Diesel Particulate Filter For Cummins ISM Engine Replaces 4352989, AMN1003, C0022SA

    BESTFIT TRUCK PARTS

    $1,797.99
    Diesel Particulate Filter By BESTfit Replaces 4352989, AMN1003, C0022SA Fits Cummins ISM EngineMaintain optimal emissions performance with the BESTfit Cummins DPF for ISM engines. Replacing OEM part...
    29-08090076
    SKU:
    29-08090076
    Style Options:
    Cummins
    Product Type:
    Exhaust
    Make:
    Universal Items
    $1,797.99
    Qty in Cart: 0
    Price:
    $1,797.99
    Subtotal:
  • Engine Full Filter Cap Replaces A4710920108, A4720920308 For Detroit Diesel

    Engine Full Filter Cap Replaces A4710920108, A4720920308 For Detroit Diesel

    AFTERMARKET

    $104.99
    Engine Fuel Filter Cap Detroit DD15* High Quality Filter Cap * Sold Individually* Warranty On Filter Caps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...
    29-07120007
    SKU:
    29-07120007
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $104.99
    Qty in Cart: 0
    Price:
    $104.99
    Subtotal:
  • BESTfit Diesel Particulate Filter Gasket For Caterpillar Replaces E300121, GA006, KPI50094G

    BESTfit Diesel Particulate Filter Gasket For Caterpillar Replaces E300121, GA006, KPI50094G

    BESTFIT TRUCK PARTS

    $11.99
    Diesel Particulate Filter Gasket By BESTfit Replaces E300121, GA006, KPI50094G Fits CaterpillarEnsure a reliable seal and optimal emissions performance with the BESTfit Caterpillar DPF Gasket, a...
    29-08090074
    SKU:
    29-08090074
    Style Options:
    Caterpillar
    Product Type:
    Exhaust
    Make:
    Universal Items
    $11.99
    Qty in Cart: 0
    Price:
    $11.99
    Subtotal:
  • Cabin Air Filter Replaces VCCT1000906J For Freightliner Cascadia 113/125

    Cabin Air Filter Replaces VCCT1000906J For Freightliner Cascadia 113/125

    AUTOMANN USA

    $9.24
    Freightliner Cabin Air FilterExperience clean and fresh air in your cab or sleeper with this cabin air filter for Freightliner Cascadia and Cascadia Evolution. This high-quality filter traps over 98%...
    03-0713007
    SKU:
    03-0713007
    Length Options:
    9 1/4 Inch
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Product Type:
    Engine Parts
    $9.24
    Qty in Cart: 0
    Price:
    $9.24
    Subtotal:
  • 102 X 11 Inch Dunnage Racks for Step Deck and Flatbed Trailers

    102 X 11 Inch Dunnage Racks for Step Deck and Flatbed Trailers

    HEAVY DUTY RAMPS

    $1,285.99
    Dunnage Racks Holds Up to 16 Properly Tied-Down 8 4x4'sStore your dunnage easily under your trailer with this sturdy aluminum rack. It fits up to 16 tied-down 8' 4x4s, freeing up space for more cargo...
    19-024007
    SKU:
    19-024007
    Length Options:
    102 Inch
    Product Type:
    Trailer
    Height Options:
    11 Inch
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    $1,285.99
    Qty in Cart: 0
    Price:
    $1,285.99
    Subtotal:
  • BESTfit 8.375 X 8.625 X 1 Inch Paper Cabin Air Filter Replaces VCC36000006, N10G-36000006 For Freightliner

    BESTfit 8.375 X 8.625 X 1 Inch Paper Cabin Air Filter Replaces VCC36000006, N10G-36000006 For Freightliner

    BESTFIT TRUCK PARTS

    $14.57
    BESTfit Interior Cabin Air Filter Fits Freightliner 108SD, 114SD, M2-106, M2-112 & M2 Business Class* High Quality Cabin Air Filter* Length: 7 7/8* Height: 8 7/8* Thickness: 1 3/16* Additional Notes:...
    03-150300007
    SKU:
    03-150300007
    Truck Class:
    Heavy Duty
    Height Options:
    8 Inch
    Length Options:
    7 Inch
    Make:
    Freightliner
    Product Type:
    Interior
    $14.57
    Qty in Cart: 0
    Price:
    $14.57
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel 11 Inch Plug In Style Wiper Arm W/ Rubber Blade

    Stainless Steel 11 Inch Plug In Style Wiper Arm W/ Rubber Blade

    UNITED PACIFIC

    $4.17
    Plug In Stainless Steel Wiper Arm Mounts To 1/4 Inch Wiper Motor ShaftLooking for a reliable wiper blade? This 11-inch plug-in style wiper has you covered with its polished stainless steel...
    09-0911007
    SKU:
    09-0911007
    Truck Class:
    Universal
    Length Options:
    11 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Finish Options:
    Polished
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $4.17
    Qty in Cart: 0
    Price:
    $4.17
    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:
  • Merritt Dyna-Light Aluminum Cab Rack W/ Chain Hanger & Retainer 68 X 76 Inch

    Merritt Dyna-Light Aluminum Cab Rack W/ Chain Hanger & Retainer 68 X 76 Inch

    MERRITT

    $4,495.99
    Aluminum Cab Rack W/ Roads & Curbside Chain Rack/Tray Combo, Center Enclosure W/ Shelf* High Quality Cab Rack* Aluminum* 68 Inch X 76 Inch* Center Enclosure W/ Shelf * Chain Hanger And Retainer* Road...
    318373M0007
    SKU:
    318373M0007
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $4,495.99
    Qty in Cart: 0
    Price:
    $4,495.99
    Subtotal:
  • 1-Piece Stainless Steel Diesel Particulate Filter Replaces 4965304NX, 2888247NX For Cummins ISX Engine

    1-Piece Stainless Steel Diesel Particulate Filter Replaces 4965304NX, 2888247NX For Cummins ISX Engine

    GLOBAL EMISSIONS

    $2,398.99
    1-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISX Engine* High Quality Diesel Particulate Filter* Made Of 304 Stainless Steel * Exclusive 1-Piece Canister Design For Durability* OEM...
    29-080600057
    SKU:
    29-080600057
    Truck Class:
    Heavy Duty
    Style Options:
    Cummins
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $2,398.99
    Qty in Cart: 0
    Price:
    $2,398.99
    Subtotal:
  • BESTfit Copper Brass Radiator 27 X 21.75 X 3.375 Inch 3 Row Replaces 14066311, 20071039

    BESTfit Copper Brass Radiator 27 X 21.75 X 3.375 Inch 3 Row Replaces 14066311, 20071039

    BESTFIT TRUCK PARTS

    $1,425.99
    Solder On Radiator W/ 2 Inch Inlet & 2.25 Inch Outlet By BESTfit Replaces 14066311, 20071039* High Quality Radiator * Made Of Copper/Brass* 9 Fins Per Inch* 3 Rows * Core Size:  - 27.00 Inch Height ...
    80-070200007
    SKU:
    80-070200007
    Truck Class:
    Heavy Duty
    Material Options:
    Brass Copper
    Size Options:
    3 Row
    Product Type:
    Engine Parts
    $1,425.99
    Qty in Cart: 0
    Price:
    $1,425.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Hood Latch Replaces 3544924C1 For International DuraStar, WorkStar, PayStar, TranStar & ProStar

    Hood Latch Replaces 3544924C1 For International DuraStar, WorkStar, PayStar, TranStar & ProStar

    AUTOMANN USA

    $91.99
    Hood Latch Fits International DuraStar, WorkStar, PayStar, TranStar & ProStarKeep your hood securely fastened with this high-quality Hood Latch, engineered to replace OEM #3544924C1 for International...
    07-124007
    SKU:
    07-124007
    Truck Class:
    Heavy Duty
    Make:
    International
    Product Type:
    Hood Parts & Acc.
    Height Options:
    1 3/4 Inch
    Length Options:
    12 3/4 Inch
    Material Options:
    Steel
    Color:
    Black
    Width Options:
    2 1/2 Inch
    Ready To Ship:
    Yes
    $91.99
    Qty in Cart: 0
    Price:
    $91.99
    Subtotal:
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