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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

    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

    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 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 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

    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

    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. 

    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 Boot Brush Guide: Does it Really Keep Your Cab Clean?(Post)

    Boot Brushes: The Key Takeaways Benefits: Keeps cab floors clean, improves footwear grip on steps and pedals, projects a professional appearance, prevents grit from grinding down interior flooring, a

    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 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

    How to Install Rear Fenders on a Peterbilt 379(Post)

    The process of installing rear fenders on a semi truck, specifically a Peterbilt 379 model, will depend on the type of fender. Whether it’s a full fender or half fender, the difference comes down to:

    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

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    8.25 X 13.38 Inch Heavy Duty Diesel Oxidation Catalyst For Cummins ISX 15.0L Engines - Replaces 2888249NX

    8.25 X 13.38 Inch Heavy Duty Diesel Oxidation Catalyst For Cummins ISX 15.0L Engines - Replaces 2888249NX

    DAYTON / DORMAN

    $2,986.99
    Heavy Duty Diesel Oxidation Catalyst - Replaces 4965317NX, 4969542NX & A030W858* High Quality Diesel Oxidation Catalyst* For Trucks Equipped With Cummins Isx 15.0 Liter* 8.25 Inch Length * 13.38 Inch...
    29-0809020
    SKU:
    29-0809020
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Make:
    Peterbilt
    Length Options:
    8 1/4 Inch
    Product Type:
    Exhaust
    $2,986.99
    Qty in Cart: 0
    Price:
    $2,986.99
    Subtotal:
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    150A Electrical Protection ANL Fuse with Fuse Holder

    150A Electrical Protection ANL Fuse with Fuse Holder

    AFTERMARKET

    $22.43
    Protection ANL Fuse Holder Kit for Car Vehicles Audio System RoHS with 150Amp ANL FusesEnhance your car audio or inverter setup with the ANL Fuse with Fuse Holder. It features a durable gold-plated...
    09-16190207
    SKU:
    09-16190207
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $22.43
    Qty in Cart: 0
    Price:
    $22.43
    Subtotal:
  • FREE SHIPPING OVER $249
    250A ANL Fuse Compatible W/ 12V & 24V Systems

    250A ANL Fuse Compatible W/ 12V & 24V Systems

    AFTERMARKET

    $22.88
    250 Amp Fuse Gold Plated 80 X 21 X 8 MMThe ANL Fuse provides reliable, high-performance protection for your electrical system. Its gold-plated construction ensures excellent conductivity, minimizing...
    09-16190206
    SKU:
    09-16190206
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $22.88
    Qty in Cart: 0
    Price:
    $22.88
    Subtotal:
  • 12 Inch Stainless Steel Plain Sun Visor Non Louvered For Peterbilt W/ Standard Cab

    12 Inch Stainless Steel Plain Sun Visor Non Louvered For Peterbilt W/ Standard Cab

    UNITED PACIFIC

    $325.99
    12 Inch Stainless Steel Plain Sun Visor Non Louvered Fits Peterbilt W/ Standard CabAdd both protection and polished style to your Peterbilt with the Stainless Steel 12 Inch Extended Plain Style Sun...
    01-090200002
    SKU:
    01-090200002
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $325.99
    Qty in Cart: 0
    Price:
    $325.99
    Subtotal:
  • 12 Gauge Customs Brushed Stainless Steel Cab Mounted Extended Mirror Bracket For Peterbilt

    12 Gauge Customs Brushed Stainless Steel Cab Mounted Extended Mirror Bracket For Peterbilt

    TWELVE GAUGE

    $938.99
    Brushed Stainless Steel Cab Mounted Extended Mirror Bracket By 12 Gauge Customs Fits PeterbiltVisibility and customization go hand in hand with these extended mirror brackets for Peterbilt, designed...
    01-090202
    SKU:
    01-090202
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Paintable
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $938.99
    Qty in Cart: 0
    Price:
    $938.99
    Subtotal:
  • 12 Gauge Customs Stainless Steel Cab Mount Mirror Brackets For Kenworth W900B/L W/ Flat Glass

    12 Gauge Customs Stainless Steel Cab Mount Mirror Brackets For Kenworth W900B/L W/ Flat Glass

    TWELVE GAUGE

    $948.99
    Stainless Steel Cab Mount Mirror Brackets By 12 Gauge Customs Fits Kenworth W900B/L W/ Flat GlassComplete the look of your Kenworth W900B or W900L with 12 Gauge Customs Stainless Steel Mirror...
    02-090200001
    SKU:
    02-090200001
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Kenworth
    Product Type:
    Exterior
    Type Options:
    Cab Mount
    Cab Style:
    Flat Windshield
    $948.99
    Qty in Cart: 0
    Price:
    $948.99
    Subtotal:
  • FREE SHIPPING OVER $249
    3 High Power LED Warning Light - Amber LED

    3 High Power LED Warning Light - Amber LED

    UNITED PACIFIC

    $59.99
    3 High Power LED Warning Light- Amber LED* High Quality Warning Light* With Deluxe Chrome Bezel* Surface Mount* Mounting Holes Are 4-1/8 Inch Apart* 3 LEDs* Amber LED* 12 To 24V DC Application * 12...
    09-16090202
    SKU:
    09-16090202
    Truck Class:
    Universal
    Color:
    Amber
    Material Options:
    Plastic/Poly
    Shape Options:
    Rectangular
    Make:
    Universal Items
    Product Type:
    Lighting
    $59.99
    Qty in Cart: 0
    Price:
    $59.99
    Subtotal:
  • Sun Visor For Peterbilt 2005 & Newer W/ Standard Cab Low Roof

    Sun Visor For Peterbilt 2005 & Newer W/ Standard Cab Low Roof

    PANELITE

    $372.99
    Sun Visor Fits Peterbilt 2005 & Newer W/ Standard Cab Low Roof* High Quality Sun Visor* For Standard Cab Low Roof Models* Will Not Fit Peterbilt 359 Extended Cab Models* Sold Individually* Warranty...
    01-090200010
    SKU:
    01-090200010
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Location:
    Made In USA
    Cab Style:
    Low Roof
    Make:
    Peterbilt
    $372.99
    Qty in Cart: 0
    Price:
    $372.99
    Subtotal:
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    3 High Power LED Warning Light - Red LED

    3 High Power LED Warning Light - Red LED

    UNITED PACIFIC

    $57.99
    3 High Power LED Warning Light- Red LED* High Quality Warning Light* With Deluxe Chrome Bezel* Surface Mount* Mounting Holes Are 4-1/8 Inch Apart* 3 LEDs* Red LED* 12 To 24V DC Application * 12 Flash...
    09-16090203
    SKU:
    09-16090203
    Truck Class:
    Universal
    Color:
    Red
    Shape Options:
    Rectangular
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Lighting
    $57.99
    Qty in Cart: 0
    Price:
    $57.99
    Subtotal:
  • 14.5 Inch Ultra Cab Stainless Steel Louvered Drop Visor For Peterbilt 1998 & Earlier

    14.5 Inch Ultra Cab Stainless Steel Louvered Drop Visor For Peterbilt 1998 & Earlier

    ROADWORKS

    $500.99
    14.5 Inch Louvered Drop Visor W/ Door Mounted MirrorsWhen it comes to upgrading your Peterbilt Ultra Cab, the 14.5 Inch Stainless Steel Louvered Drop Visor offers unbeatable quality and functionality...
    01-090200006
    SKU:
    01-090200006
    Product Type:
    Exterior
    Location:
    Made In USA
    Height Options:
    14 1/2 Inch
    Style Options:
    Louvered
    Material Options:
    Stainless Steel
    Cab Style:
    Ultra Cab
    Position:
    Kit Full
    Make:
    Peterbilt
    $500.99
    Qty in Cart: 0
    Price:
    $500.99
    Subtotal:
  • 11 Inch Ultra Cab Stainless Steel Louvered Factory Style Extended Visor For Peterbilt 2002-2005

    11 Inch Ultra Cab Stainless Steel Louvered Factory Style Extended Visor For Peterbilt 2002-2005

    ROADWORKS

    $414.99
    11 Inch Louvered Factory Style Extended VisorExperience improved sun protection and ventilation with the 11 Inch Stainless Steel Louvered Factory Style Extended Visor for Peterbilt Ultra Cab models...
    01-090200008
    SKU:
    01-090200008
    Product Type:
    Exterior
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Cab Style:
    Ultra Cab
    Style Options:
    Louvered
    Position:
    Kit Full
    Make:
    Peterbilt
    $414.99
    Qty in Cart: 0
    Price:
    $414.99
    Subtotal:
  • FREE SHIPPING OVER $249
    10 AWG ATO / ATC In Line Fuse Holder

    10 AWG ATO / ATC In Line Fuse Holder

    SPECTRO WIRE

    $12.23
    Blade Fuse Holder With 10G LeadsThis 10 AWG ATO/ATC in-line fuse holder helps protect your automotive circuits and is easy to install. Its compact and flexible design fits into tight spaces, offering...
    09-16190205
    SKU:
    09-16190205
    Color:
    Red
    Location:
    Made In USA
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $12.23
    Qty in Cart: 0
    Price:
    $12.23
    Subtotal:
  • 11 Inch Ultra Cab Stainless Steel Louvered Drop Visor For Peterbilt 1998 & Earlier

    11 Inch Ultra Cab Stainless Steel Louvered Drop Visor For Peterbilt 1998 & Earlier

    ROADWORKS

    $443.99
    11 Inch Louvered Drop Visor W/ Door Mounted MirrorsProtect your Peterbilt Ultra Cab from sun glare and improve airflow with the 11 Inch Ultra Cab Stainless Steel Louvered Drop Visor. Constructed from...
    01-090200007
    SKU:
    01-090200007
    Product Type:
    Exterior
    Cab Style:
    Ultra Cab
    Position:
    Kit Full
    Material Options:
    Stainless Steel
    Height Options:
    11 Inch
    Style Options:
    Louvered
    Location:
    Made In USA
    Make:
    Peterbilt
    $443.99
    Qty in Cart: 0
    Price:
    $443.99
    Subtotal:
  • 11 Inch Flat Top Louvered Factory Style Extended Visor For Peterbilt 1988-2005

    11 Inch Flat Top Louvered Factory Style Extended Visor For Peterbilt 1988-2005

    ROADWORKS

    $423.99
    11 Inch Louvered Factory Style Extended Visor For Flat Top ModelsAdd bold style and lasting functionality to your Peterbilt Flat Top with the 11 Inch Louvered Factory Style Extended Visor. Crafted...
    01-090200009
    SKU:
    01-090200009
    Product Type:
    Exterior
    Height Options:
    11 Inch
    Style Options:
    Louvered
    Position:
    Kit Full
    Cab Style:
    Flat Top
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    $423.99
    Qty in Cart: 0
    Price:
    $423.99
    Subtotal:
  • CSM Steel Door Mounted Mirror Bracket For Peterbilt 357, 375, 377, 378, 379, 385

    CSM Steel Door Mounted Mirror Bracket For Peterbilt 357, 375, 377, 378, 379, 385

    CHROME SHOP MAFIA

    $575.99
    Steel Door Mounted Mirror Bracket By Chrome Shop Mafia Fits Peterbilt 357, 375, 377, 378, 379, 385These Peterbilt custom door-mount mirror brackets by Chrome Shop Mafia are built strong with 1-inch...
    01-090201
    SKU:
    01-090201
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Exterior
    Style Options:
    Factory Style
    Finish Options:
    Paintable
    Width Options:
    22 Inch
    Location:
    Made In USA
    Material Options:
    Steel
    Ready To Ship:
    Yes
    $575.99
    Qty in Cart: 0
    Price:
    $575.99
    Subtotal:
  • 40 Red LED Vintage Torpedo Flush Mount Light Red LED Red Lens

    40 Red LED Vintage Torpedo Flush Mount Light Red LED Red Lens

    UNITED PACIFIC

    $68.99
    40 Red LED Vintage Torpedo Flush Mount Light Red LED Red Lens* High Quality Flush Mount Light* Flush Mount* 40 LEDs* Stop/Turn/Tail Function* Red LED/Red Lens* Sold Individually* Warranty On Flush...
    09-16090205
    SKU:
    09-16090205
    Color:
    Red
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Shape Options:
    Round
    Product Type:
    Lighting
    $68.99
    Qty in Cart: 0
    Price:
    $68.99
    Subtotal:
  • Roadworks 11 Inch Stainless Steel Factory Style Extended Visor For Peterbilt 388/389 W/ Cab-Mounted Mirrors

    Roadworks 11 Inch Stainless Steel Factory Style Extended Visor For Peterbilt 388/389 W/ Cab-Mounted Mirrors

    ROADWORKS

    $390.99
    11 Inch Stainless Steel Factory Style Extended Visor By Roadworks Fits Peterbilt 388/389 W/ Cab-Mounted MirrorsAdd a professional finish to your Peterbilt 388 or 389 with the 11 Inch Stainless Steel...
    01-090200001
    SKU:
    01-090200001
    Location:
    Made In USA
    Height Options:
    11 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Extended
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $390.99
    Qty in Cart: 0
    Price:
    $390.99
    Subtotal:
  • 12 Gauge Customs Brushed Stainless Steel Cab Mounted Mirror Bracket For Kenworth W900B/L Aerocab

    12 Gauge Customs Brushed Stainless Steel Cab Mounted Mirror Bracket For Kenworth W900B/L Aerocab

    TWELVE GAUGE

    $948.99
    Brushed Stainless Steel Cab Mounted Mirror Bracket By 12 Gauge Customs Fits Kenworth W900B/L AerocabTo help you improve your visibility around pipes and wide trailers, 4 State Trucks offers this pair...
    02-090205
    SKU:
    02-090205
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Paintable
    Make:
    Kenworth
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $948.99
    Qty in Cart: 0
    Price:
    $948.99
    Subtotal:
  • 11 Inch Stainless Steel Louvered Factory Style Extended Visor For Peterbilt 357, 378, 379

    11 Inch Stainless Steel Louvered Factory Style Extended Visor For Peterbilt 357, 378, 379

    ROADWORKS

    $394.99
    11 Inch Louvered Factory Style Extended Visor W/ Door Mounted MirrorsGive your Peterbilt a bold, functional upgrade with the 11 Inch Stainless Steel Louvered Factory Style Extended Visor, designed...
    01-090200004
    SKU:
    01-090200004
    Product Type:
    Exterior
    Cab Style:
    Ultra Cab
    Material Options:
    Stainless Steel
    Position:
    Kit Full
    Height Options:
    11 Inch
    Location:
    Made In USA
    Style Options:
    Louvered
    Make:
    Peterbilt
    $394.99
    Qty in Cart: 0
    Price:
    $394.99
    Subtotal:
  • 12 Gauge Customs Stainless Steel Cab Mounted Mirror Brackets For Peterbilt

    12 Gauge Customs Stainless Steel Cab Mounted Mirror Brackets For Peterbilt

    TWELVE GAUGE

    $1,019.99
    Stainless Steel Cab Mounted Mirror Brackets By 12 Gauge Customs Fits PeterbiltImprove your visual range around pipes and wide trailers with this pair of quality custom mirror brackets. Fit for...
    01-090205
    SKU:
    01-090205
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Exterior
    $1,019.99
    Qty in Cart: 0
    Price:
    $1,019.99
    Subtotal:
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