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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

    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

    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

    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

    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

    CB Radios Ultimate Guide(Post)

    “10-4 Roger.” Despite the rise of messaging apps, GPS devices with voice-activated messaging, and push-to-talk (PTT) apps, the classic CB radio remains among the most trusted and well-used accessorie

    What Should Be in a Semi Truck Emergency Kit? (Free PDF Checklist for Drivers)(Post)

    Semi-truck breakdowns cost money and time; but they aren't inevitable. With the right emergency accessories, truck drivers can minimize costly delays, tackle minor repairs on the fly, and safely power

    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

    Top 10 Semi Truck Winter Accessories for Heavy-Duty Drivers(Post)

    Winter truck driving can be downright trecherous to haul payloads in, especially when you don't have the right winter-ready trucker gear to get you through difficult drives in below-freezing temperatu

    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

    Haul of Fame: The Murder Pete Truck(Post)

    They call it the Murder Pete. Blacked-out, rugged, and raw, it’s a notorious big rig known for its “murdered out” style. Supported by the custom fab shop work of Chrome Shop Mafia (CMS) and supplied w

    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

    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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  • Stainless Steel Diesel Particulate Filter Replaces 2605837C1 For International W/ MaxxForce 7 Engine

    Stainless Steel Diesel Particulate Filter Replaces 2605837C1 For International W/ MaxxForce 7 Engine

    GLOBAL EMISSIONS

    $2,267.99
    Stainless Steel Diesel Particulate Filter Fits International W/ MaxxForce 7 Engine - Replaces 2605837C1* High Quality Diesel Particulate Filter* Made Of Stainless Steel * OEM Quality Clamps And...
    07-080600010
    SKU:
    07-080600010
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    International
    Product Type:
    Exhaust
    $2,267.99
    Qty in Cart: 0
    Price:
    $2,267.99
    Subtotal:
  • 3 Layer Replacement Air Filter Wrap For 29-090500008 High Performance Air Filter

    3 Layer Replacement Air Filter Wrap For 29-090500008 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 29-090500008* 3 Layer Design* Does Not Come Pre-Oiled* Oil Is Required Before...
    29-090500010
    SKU:
    29-090500010
    Truck Class:
    Heavy Duty
    Make:
    Western Star
    Product Type:
    Exterior
    $383.99
    Qty in Cart: 0
    Price:
    $383.99
    Subtotal:
  • 14 Inch Chrome Tapered End Bumper For Western Star 4700, 4700SB

    14 Inch Chrome Tapered End Bumper For Western Star 4700, 4700SB

    OPP - ORIGINAL PARTS PROGRAM

    $2,053.99
    Western Star OEM Style Chrome Bumper Replaces A21-28694-010, A21-28694-025* High Quality Bumper* Steel* 14 Inch Height* Tow Holes* Tapered End* 4 Bolt * Sold Individually* Warranty On Bumpers Against...
    14-010000
    SKU:
    14-010000
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Product Type:
    Bumpers
    Make:
    Western Star
    Height Options:
    14 Inch
    Style Options:
    Tapered
    $2,053.99
    Qty in Cart: 0
    Price:
    $2,053.99
    Subtotal:
  • FREE SHIPPING OVER $249
    1 X 4 Inch 12 Diode Amber LED Marker Light Amber

    1 X 4 Inch 12 Diode Amber LED Marker Light Amber

    TRUX ACCESSORIES

    $15.11
    LED Amber Marker Light 1 Inch X 4 Inch W/ 12 Diodes4 State Trucks offers this durable LED marker light with 12 amber diodes protected by a durable amber lens. It is sealed to prevent moisture...
    09-1601010223
    SKU:
    09-1601010223
    Color:
    Amber
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Lighting
    $15.11
    Qty in Cart: 0
    Price:
    $15.11
    Subtotal:
  • FREE SHIPPING OVER $249
    12 Inch 19 Diode Reflector Light Bar W/ Bezel - Amber LED / Amber Lens

    12 Inch 19 Diode Reflector Light Bar W/ Bezel - Amber LED / Amber Lens

    UNITED PACIFIC

    $36.38
    Amber 19 Diode Reflector Light Bar* High Quality Light Bar* Amber / Amber LED* 12 Inch* With Bezel* 19 Diodes* Sold Individually* Warranty on Light Bar against defects in workmanship & material from...
    09-1601010165
    SKU:
    09-1601010165
    Truck Class:
    Universal
    Make:
    Universal Items
    Length Options:
    12 Inch
    Material Options:
    Plastic/Poly
    Color:
    Amber
    Product Type:
    Lighting
    $36.38
    Qty in Cart: 0
    Price:
    $36.38
    Subtotal:
  • Blue 1157 LED Bulb 12 Diode

    Blue 1157 LED Bulb 12 Diode

    UNITED PACIFIC

    $5.46
    1157 Bulb with 12 Super Bright Diodes* High Quality 1157 Type Bulb* 12 Diode* Blue* Double Contact* Offset Pin* Sold Individually* Warranty on Bulb Light against defects in workmanship & material...
    09-160102208
    SKU:
    09-160102208
    Truck Class:
    Heavy Duty
    Product Type:
    Lighting
    Color:
    Blue
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $5.46
    Qty in Cart: 0
    Price:
    $5.46
    Subtotal:
  • FREE SHIPPING OVER $249
    12 Inch Great White Interior Light

    12 Inch Great White Interior Light

    PETERSON MFG

    $48.85
    Great White Interior Light* High Quality Interior Light* 12 Inch* 300 Lumens* Easy And Versatile Surface Screw Mounting* Vertical And Horizontal Mounting * Points Attach To Any Flat Surface* Sold...
    09-160100184
    SKU:
    09-160100184
    Lumens:
    100 to 500 Lumens
    Truck Class:
    Universal
    Make:
    Universal Items
    Length Options:
    12 Inch
    Product Type:
    Lighting
    $48.85
    Qty in Cart: 0
    Price:
    $48.85
    Subtotal:
  • BESTfit 12 Inch Chrome SBA Bumper W/ Tow Hook Holes & Vent Opening In Center For Volvo VNL Gen I

    BESTfit 12 Inch Chrome SBA Bumper W/ Tow Hook Holes & Vent Opening In Center For Volvo VNL Gen I

    BESTFIT TRUCK PARTS

    $999.99
    12 Inch Chrome SBA Bumper W/ Tow Hook Holes & Vent Opening In Center By BESTfitUpgrade your Volvo VNL Gen I with the BESTfit 12 Inch Chrome SBA Bumper, designed for durability, performance, and a...
    13-010101
    SKU:
    13-010101
    Truck Class:
    Heavy Duty
    Height Options:
    12 Inch
    Material Options:
    Steel
    Make:
    Volvo
    Finish Options:
    Chrome-Plated
    Product Type:
    Bumpers
    Type Options:
    Set Back Axle
    Ready To Ship:
    Yes
    $999.99
    Qty in Cart: 0
    Price:
    $999.99
    Subtotal:
  • BESTfit Bumper Support Center W/ Small Opening For Freightliner Cascadia

    BESTfit Bumper Support Center W/ Small Opening For Freightliner Cascadia

    BESTFIT TRUCK PARTS

    $230.99
    BESTfit Bumper Support Center W/ Small Opening, Replaces 21-28443-004This high quality bumper support center that fits Freightliner Cascadia 113 and 125 models has a small square opening. The center...
    03-010429
    SKU:
    03-010429
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Product Type:
    Bumpers
    $230.99
    Qty in Cart: 0
    Price:
    $230.99
    Subtotal:
  • 12 Inch 12 Diode Single Row CREE LED Spot/Flood Light Bar - 2520 Lumen

    12 Inch 12 Diode Single Row CREE LED Spot/Flood Light Bar - 2520 Lumen

    TRUX ACCESSORIES

    $138.99
    2520 Lumen 12 Diode Spot & Flood Light BarAre you looking for a bright light bar for your truck? Look no further, 4 State Trucks offers this quality 12-inch single row combination spot and flood LED...
    09-160900105
    SKU:
    09-160900105
    Length Options:
    12 Inch
    Color:
    White
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Lighting
    $138.99
    Qty in Cart: 0
    Price:
    $138.99
    Subtotal:
  • 1 X 4 Inch LED Rectangular Red Marker Light W/ 12 Diodes

    1 X 4 Inch LED Rectangular Red Marker Light W/ 12 Diodes

    TRUX ACCESSORIES

    $15.11
    LED Red Rectangular 1 Inch X 4 Inch Marker Light W/ 12 Diodes4 State Trucks offers this durable rectangular marker light with 12 red diodes protected by a damage resistant red lens. It is sealed to...
    09-1601060240
    SKU:
    09-1601060240
    Truck Class:
    Universal
    Color:
    Red
    Material Options:
    Plastic/Poly
    Shape Options:
    Rectangular
    Make:
    Universal Items
    Product Type:
    Lighting
    $15.11
    Qty in Cart: 0
    Price:
    $15.11
    Subtotal:
  • 12 Inch 24 Amber LED Clear Lens Dual Function GLO Light Bar

    12 Inch 24 Amber LED Clear Lens Dual Function GLO Light Bar

    UNITED PACIFIC

    $21.88
    12 Inch 24 Diode Amber LED Clear Lens Dual Function GLO Light Bar* High Quality Glo Light - Light Bar* 24 LED * 12 Inch Length X 5/8 Inch Width* Mounting Holes Approximately 11 7/16 Inches Apart *...
    09-1601011259
    SKU:
    09-1601011259
    Length Options:
    12 Inch
    Truck Class:
    Universal
    Color:
    Amber
    Style Options:
    Glo Light
    Make:
    Universal Items
    Material Options:
    Plastic/Poly
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $21.88
    Qty in Cart: 0
    Price:
    $21.88
    Subtotal:
  • Engine Fuel Filter Cap Replaces A4720920008. DDEA4720920008 For Detroit Diesel DD15 Engine

    Engine Fuel Filter Cap Replaces A4720920008. DDEA4720920008 For Detroit Diesel DD15 Engine

    AUTOMANN USA

    $37.09
    2.16 Inch Detroit Diesel DD15 Engine Fuel Filter CapUpgrade your fuel system with this premium Engine Fuel Filter Cap for Detroit Diesel DD15 engines, designed to replace A4720920008 and...
    29-06010001
    SKU:
    29-06010001
    Width Options:
    1 3/4 Inch
    Product Type:
    Fuel Tanks
    Diameter Options:
    2 Inch
    Style Options:
    Detroit
    Make:
    Universal Items
    $37.09
    Qty in Cart: 0
    Price:
    $37.09
    Subtotal:
  • FREE SHIPPING OVER $249
    7 Color Changing Single Diode Snake Lights W/ 12 Inch Lead Wire- 2 Pack

    7 Color Changing Single Diode Snake Lights W/ 12 Inch Lead Wire- 2 Pack

    TRUX ACCESSORIES

    $19.43
    Single Diode Snake LightsLooking to add colorful light to the vents in your truck or another small area of your cab? 4 State Trucks has this pack of two single diode snake lights that routinely...
    09-160105100
    SKU:
    09-160105100
    Color:
    Various
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Length Options:
    12 Inch
    Product Type:
    Interior
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $19.43
    Qty in Cart: 0
    Price:
    $19.43
    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:
  • 16 Inch Chrome Steel Boxed End Bumper W/ Mounting & Tow/Hitch Holes For Kenworth W900L 1982-2010

    16 Inch Chrome Steel Boxed End Bumper W/ Mounting & Tow/Hitch Holes For Kenworth W900L 1982-2010

    VALLEY CHROME PLATING

    $904.99
    Valley Chrome 16 Inch Chrome Steel Boxed End Bumper With Mounting & Tow/Hitch Holes* High Quality Replacement Bumper* Made Of Chrome Plated Steel* Boxed End* 16 Inch* Has Cutouts For: - Mounting...
    FE001010
    SKU:
    FE001010
    Truck Class:
    Heavy Duty
    Height Options:
    16 Inch
    Light Options:
    Without Lights
    Make:
    Kenworth
    Style Options:
    Texas Boxed End
    Material Options:
    Steel
    Finish Options:
    Chrome-Plated
    Type Options:
    Standard Mount
    Product Type:
    Bumpers
    $904.99
    Qty in Cart: 0
    Price:
    $904.99
    Subtotal:
  • 18 Diode Amber/Amber 12 Inch Spyder LED Clearance, Marker and Turn Light - Dual Function

    18 Diode Amber/Amber 12 Inch Spyder LED Clearance, Marker and Turn Light - Dual Function

    AFTERMARKET

    $65,536.00
    Amber LED Amber Lens Light Bar Lens* High Quality Light Bar* Made Of Sealed Polycarbonate Lens* 18 LEDs* 12V* Measurements:  - 12 Inch Length   - 2 Inch Width   - 1-7/16 Inch Height * Hardwired With...
    09-160100009
    SKU:
    09-160100009
    Color:
    Amber
    Length Options:
    12 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Plastic/Poly
    Product Type:
    Lighting
    $65,536.00
    Qty in Cart: 0
    Price:
    $65,536.00
    Subtotal:
  • Isspro Voltmeter 12 VDC/10-16 VDC W/ Black Face, Red Pointer, Color-Coded Dial, Chrome Bezel

    Isspro Voltmeter 12 VDC/10-16 VDC W/ Black Face, Red Pointer, Color-Coded Dial, Chrome Bezel

    ISSPRO

    $82.99
    Voltmeter 12 VDC/10-16 VDC W/ Black Face, Red Pointer & Color-Coded Dial & Chrome BezelThis Isspro voltmeter gauge easy to read. It measures voltage to estimate battery health, with red, yellow, and...
    09-150100437
    SKU:
    09-150100437
    Color:
    Red
    Truck Class:
    Universal
    Location:
    Made In USA
    Style Options:
    Analog
    Shape Options:
    Round
    Make:
    Universal Items
    Product Type:
    Interior
    $82.99
    Qty in Cart: 0
    Price:
    $82.99
    Subtotal:
  • 12 Gauge Customs 14 X 10 Inch Stainless Steel Reverse Bowtie Visor For Western Star 4964 EX Constellation

    12 Gauge Customs 14 X 10 Inch Stainless Steel Reverse Bowtie Visor For Western Star 4964 EX Constellation

    TWELVE GAUGE

    $730.99
    14 X 10 Inch Stainless Steel Reverse Bowtie Visor By 12 Gauge Customs Fits Western Star 4964 EX Constellation* High Quality Drop Visor* Stainless Steel* 14 Inch X 10 Inch* Reverse Bowtie Visor* Blind...
    14-090100001
    SKU:
    14-090100001
    Height Options:
    14 Inch
    Make:
    Western Star
    Truck Class:
    Heavy Duty
    Style Options:
    Bow Tie
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Type Options:
    Blind Mount
    Product Type:
    Exterior
    $730.99
    Qty in Cart: 0
    Price:
    $730.99
    Subtotal:
  • FREE SHIPPING OVER $249
    12 Diode Oval Red LED Stop, Tail & Turn Light Clear Lens

    12 Diode Oval Red LED Stop, Tail & Turn Light Clear Lens

    TRUX ACCESSORIES

    $25.91
    Stop Tail And Turn LightAre you in the market for LEDs for your truck? Get your lights from 4 State Trucks starting with this red LED oval light by Trux Accessories. This state of the art light comes...
    09-1601061167
    SKU:
    09-1601061167
    Color:
    Red
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Shape Options:
    Oval
    Make:
    Universal Items
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $25.91
    Qty in Cart: 0
    Price:
    $25.91
    Subtotal:
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