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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

    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

    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

    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

    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

    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

    7 Best Exterior Chrome Upgrades for the Kenworth W900A(Post)

    Outfit your Kenworth W900A model with stunning exterior chrome accessories and stainless-steel upgrades that seamlessly tie together the entire truck’s theme. Classic big rig owners take a lot of prid

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  • Cummins ISX 3 Piece Exhaust Manifold Kit - Replaces 4962571, 3682491, 3682348, 3682548, 3682959 & 3682549 By BESTfit

    Cummins ISX 3 Piece Exhaust Manifold Kit - Replaces 4962571, 3682491, 3682348, 3682548, 3682959 & 3682549 By BESTfit

    BESTFIT TRUCK PARTS

    $416.99
    BESTfit 3 Piece Exhaust Manifold Kit For Cummins ISX EnginesIntroducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee...
    29-074962571
    SKU:
    29-074962571
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $416.99
    Qty in Cart: 0
    Price:
    $416.99
    Subtotal:
  • Front Bumper 8-97406-962-2 For Isuzu NPR, NQR, NPR-HD

    Front Bumper 8-97406-962-2 For Isuzu NPR, NQR, NPR-HD

    UNITED PACIFIC

    $266.99
    Replacement Isuzu Front BumperMade from durable injection molded plastic, this bumper is designed for easy installation and matches OEM specifications. It directly replaces the original part number...
    08-01000000
    SKU:
    08-01000000
    Material Options:
    Steel
    Make:
    Isuzu
    Truck Class:
    Heavy Duty
    Product Type:
    Bumpers
    Ready To Ship:
    Yes
    $266.99
    Qty in Cart: 0
    Price:
    $266.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Silent Block Spring Bushing & Pin 7.562 X 1.812 X 1.812 Inch

    BESTfit Silent Block Spring Bushing & Pin 7.562 X 1.812 X 1.812 Inch

    BESTFIT TRUCK PARTS

    $38.57
    BESTfit Spring Eye BushingSuspension components take a beating, which is why the BESTfit Silent Block Spring Bushing & Pin is built for strength and accuracy. Featuring a 1.750-inch outer shell...
    29-050962
    SKU:
    29-050962
    Length Options:
    7 Inch
    Truck Class:
    Heavy Duty
    Diameter Options:
    1 Inch
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $38.57
    Qty in Cart: 0
    Price:
    $38.57
    Subtotal:
  • 2.5 Inch Stainless Steel Cab Panels W/ 12 - 3/4 Inch Light Holes For Peterbilt 386 W/ Cab-Mount Exhaust

    2.5 Inch Stainless Steel Cab Panels W/ 12 - 3/4 Inch Light Holes For Peterbilt 386 W/ Cab-Mount Exhaust

    PHOENIX DESIGN

    $150.99
    2.5 Inch Cab Panels W/ 12 - 3/4 Inch Round Light Holes Fits Peterbilt 386 W/ Cab-Mount Exhaust* High Quality Cab Panel * Made Of 304 Stainless Steel * 6 - 3/4 Inch Round Light Holes Per Side * Lights...
    01-091200962
    SKU:
    01-091200962
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Length Options:
    40 Inch
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $150.99
    Qty in Cart: 0
    Price:
    $150.99
    Subtotal:
  • Go Rhino RC3 LR Skid Plate W/ LED Light Mount & Center Step For 2016 -2018 Chevrolet Silverado 1500

    Go Rhino RC3 LR Skid Plate W/ LED Light Mount & Center Step For 2016 -2018 Chevrolet Silverado 1500

    GO RHINO

    $681.29
    Chevrolet Silverado Textured Black Powder Coated Skid Plate Bull Bar W/ Mounting Brackets & Single Row 20 Inch Light Bar* High Quality Skid Plate* Combination Of: - Skid Plate - Rock - Splash Guard*...
    5629620LT
    SKU:
    5629620LT
    Light Options:
    With Lights
    Truck Class:
    Light Duty
    Color:
    Black
    Make:
    Chevrolet
    Material Options:
    Steel
    Finish Options:
    Galvanized
    Product Type:
    Bumpers
    $681.29
    Qty in Cart: 0
    Price:
    $681.29
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 7.5 Inch Silent Block W/ 1.063 Inch ID & 1.75 Inch OD For Peterbilt

    BESTfit 7.5 Inch Silent Block W/ 1.063 Inch ID & 1.75 Inch OD For Peterbilt

    BESTFIT TRUCK PARTS

    $43.90
    Silent Block 7.5 Inch W/ 1.063 Inch ID & 1.75 Inch OD By BESTfit Fits PeterbiltDesigned to fit M1813 hangers perfectly, the BestFit 1.75 OD x 7.5 Inch OAL Silent Block Pin provides excellent...
    01-050962K01
    SKU:
    01-050962K01
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    Length Options:
    7 1/2 Inch
    $43.90
    Qty in Cart: 0
    Price:
    $43.90
    Subtotal:
  • Go Rhino RC3 LR Skid Plate W/ LED Light Mount & Center Step For 2011 - 2016 Ford F-250, F350 Super Duty

    Go Rhino RC3 LR Skid Plate W/ LED Light Mount & Center Step For 2011 - 2016 Ford F-250, F350 Super Duty

    GO RHINO

    $681.29
    Ford Textured Black Powder Coated Skid Plate Bull Bar W/ Mounting Brackets & Single Row 20 Inch Light Bar* High Quality Skid Plate* Combination Of: - Skid Plate - Rock - Splash Guard* With Center...
    5689620LT
    SKU:
    5689620LT
    Color:
    Black
    Light Options:
    With Lights
    Truck Class:
    Light Duty
    Make:
    Ford
    Material Options:
    Steel
    Finish Options:
    Galvanized
    Product Type:
    Bumpers
    $681.29
    Qty in Cart: 0
    Price:
    $681.29
    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:
  • Go Rhino RC4 Light Ready Bull Bar and Skid Plate with 20 Inch SR LED Light For Chevrolet Silverado 1500, Classic Body

    Go Rhino RC4 Light Ready Bull Bar and Skid Plate with 20 Inch SR LED Light For Chevrolet Silverado 1500, Classic Body

    GO RHINO

    $571.57
    Chevrolet Silverado Textured Black 2.5 Inch Tubular Steel Bull Bar & Skid Plate W/ 20 Inch Light Bar* High Quality Bull Bar And Skid Plate* Textured Black Powder Coat Finish* LED Light  - Comes With...
    5429620LT
    SKU:
    5429620LT
    Color:
    Black
    Truck Class:
    Light Duty
    Light Options:
    With Lights
    Material Options:
    Steel
    Make:
    Chevrolet
    Product Type:
    Bumpers
    $571.57
    Qty in Cart: 0
    Price:
    $571.57
    Subtotal:
  • Go Rhino RC4 Light Ready Bull Bar and Skid Plate with 20 Inch SR LED Light For Ford F-250 & F350

    Go Rhino RC4 Light Ready Bull Bar and Skid Plate with 20 Inch SR LED Light For Ford F-250 & F350

    GO RHINO

    $571.57
    Ford Textured Black 2.5 Inch Tubular Steel Bull Bar & Skid Plate W/ 20 Inch Light Bar* High Quality Bull Bar And Skid Plate* Textured Black Powder Coat Finish* LED Light  - Comes With A 1 Year...
    5489620LT
    SKU:
    5489620LT
    Color:
    Black
    Truck Class:
    Light Duty
    Light Options:
    With Lights
    Material Options:
    Steel
    Make:
    Ford
    Product Type:
    Bumpers
    $571.57
    Qty in Cart: 0
    Price:
    $571.57
    Subtotal:
  • 3/8 x 1/8 Inch Brass Reducer Coupling

    3/8 x 1/8 Inch Brass Reducer Coupling

    TRAMEC SLOAN

    $7.06
    Brass Reducer Coupling* High Quality Reducer Coupling* Brass* 3/8 Inch X 1/8 Inch* Sold Individually* Warranty On Reducer Couplings Against Defects In Workmanship & Material From Date Of Purchase***...
    BP11962
    SKU:
    BP11962
    Truck Class:
    Heavy Duty
    Material Options:
    Brass
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    $7.06
    Qty in Cart: 0
    Price:
    $7.06
    Subtotal:
  • Extension Panels For Freightliner Coronado

    Extension Panels For Freightliner Coronado

    PANELITE

    $128.99
    Replacement Freightliner Coronado Extension Panels* High Quality Extension Panel* Sold As Pair* Warranty On Extended Panel Against Defects In Workmanship & Material From Date Of Purchase*** High...
    30962010
    SKU:
    30962010
    Product Type:
    Exterior
    Make:
    Freightliner
    $128.99
    Qty in Cart: 0
    Price:
    $128.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 1.75 X 7.5 Inch Silent Block Pin For Kenworth With M1813 Hanger

    BESTfit 1.75 X 7.5 Inch Silent Block Pin For Kenworth With M1813 Hanger

    BESTFIT TRUCK PARTS

    $43.90
    BESTfit 6.312 Inch Center To Center Silent Block PinAchieve smooth and stable handling on your Kenworth with the BESTfit 1.75 X 7.5 Inch Silent Block Pin for M1813 hangers. Built with a...
    02-050962K01
    SKU:
    02-050962K01
    Length Options:
    7 Inch
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $43.90
    Qty in Cart: 0
    Price:
    $43.90
    Subtotal:
  • 90 Degree Brass Elbow Fitting 3/8 x 1/8 Inch - 5 Pack For Nylon Tubing

    90 Degree Brass Elbow Fitting 3/8 x 1/8 Inch - 5 Pack For Nylon Tubing

    TRAMEC SLOAN

    $8.15
    Brass Male 90 Degree Fitting For Nylon Tubing* High Quality Fitting* Brass* 3/8 Inch X 1/8 Inch* 90 Degree Elbow* For Plastic Air Line * Male* Package 5* Sold Individually* Warranty On Fittings...
    N6962
    SKU:
    N6962
    Truck Class:
    Heavy Duty
    Material Options:
    Brass
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    $8.15
    Qty in Cart: 0
    Price:
    $8.15
    Subtotal:
  • Suspension U-bolt 7/8 X 14 Hex Grade 8

    Suspension U-bolt 7/8 X 14 Hex Grade 8

    OPP - ORIGINAL PARTS PROGRAM

    $23.35
    Air Suspension Axle U-Bolt - 7/8 Inch -14 Thread Hex* High Quality Air Suspension U-bolt * Steel* Dimensions:  - 10 Inch Length  - 4.94 Inch C To C Length* 7/8 Inch- 14 Thread* Hex Style* Grade 8*...
    11-09624-100
    SKU:
    11-09624-100
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Product Type:
    Frame & Chassis
    Material Options:
    Steel
    Length Options:
    10 Inch
    $23.35
    Qty in Cart: 0
    Price:
    $23.35
    Subtotal:
  • FREE SHIPPING OVER $249
    Cab Fresh HVAC Pre-Filter W/ Black Housing For Peterbilt & Kenworth

    Cab Fresh HVAC Pre-Filter W/ Black Housing For Peterbilt & Kenworth

    CAB FRESH FILTER CO.

    $50.99
    Air Filter HVAC Pre-FilterHelp protect your cab's HVAC system with this complete pre-filter assembly featuring a durable housing and replaceable filter element. Designed to capture dust, debris, and...
    29-091300
    SKU:
    29-091300
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $50.99
    Qty in Cart: 0
    Price:
    $50.99
    Subtotal:
  • 1-Piece Stainless Steel Diesel Particulate Filter Replaces 2606777C1, 2817962C91 For Cummins ISM/ISL Engines

    1-Piece Stainless Steel Diesel Particulate Filter Replaces 2606777C1, 2817962C91 For Cummins ISM/ISL Engines

    GLOBAL EMISSIONS

    $1,920.99
    1-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISM & ISL Engines* High Quality Diesel Particulate Filter* Made Of Stainless Steel * Exclusive 1-Piece Canister Design For Durability*...
    29-080600015
    SKU:
    29-080600015
    Truck Class:
    Heavy Duty
    Style Options:
    Cummins
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $1,920.99
    Qty in Cart: 0
    Price:
    $1,920.99
    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:
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