null

Price Range

    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

    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

    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

    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

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • FREE SHIPPING OVER $249
    BESTfit Window Regulator Replaces K092-189/K092-189R For Kenworth

    BESTfit Window Regulator Replaces K092-189/K092-189R For Kenworth

    BESTFIT TRUCK PARTS

    $131.99
    Restore smooth window operation with this BESTfit window regulator replacement for Kenworth trucks, designed to replace OE numbers K092-189 and K092-189R. Built with a chain-style mechanism, this...
    PPR_204200
    SKU:
    PPR_204200
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Kenworth
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $131.99
    Qty in Cart: 0
    Price:
    $131.99
    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:
  • FREE SHIPPING OVER $249
    CAT Fuel Filter FF5319 3406 C-E

    CAT Fuel Filter FF5319 3406 C-E

    OPP - ORIGINAL PARTS PROGRAM

    $21.42
    FF5319 CAT Fuel Filter 3406 C-EThis Fleetguard Spin-On Fuel Filter actively filters and improves fuel efficiency for your vehicle. It removes contaminants, enhances engine performance, and reduces...
    FF5319FLG
    SKU:
    FF5319FLG
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Freightliner
    Make:
    International
    Make:
    Other - Semi-Truck
    Make:
    Kenworth
    Make:
    Peterbilt
    Make:
    Mack
    Make:
    Volvo
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $21.42
    Qty in Cart: 0
    Price:
    $21.42
    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
    BESTfit 5 Inch 55 Degree Flare Turbo Pipe With 4 Inch OD Replaces 4ME-4891M, 4ME-4891A For Mack RD

    BESTfit 5 Inch 55 Degree Flare Turbo Pipe With 4 Inch OD Replaces 4ME-4891M, 4ME-4891A For Mack RD

    BESTFIT TRUCK PARTS

    $285.99
    BESTfit Mack RD Replacement Turbo Pipe* High Quality Turbo Pipe* 5 Inch 55 Degree Flare* 4 Inch OD* Sold Individually* Warranty On Turbo Pipes Against Defects In Workmanship & Material From Date Of...
    11-081891M0
    SKU:
    11-081891M0
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Mack
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    $285.99
    Qty in Cart: 0
    Price:
    $285.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BLEMISHED: 10 X 32 ALUMINUM LOWER STEP

    BLEMISHED: 10 X 32 ALUMINUM LOWER STEP

    4 STATE TRUCKS

    $241.99
    10 X 32 ALUMINUM LOWER STEPNormally $381.99 Plus Shipping, Buy This One Now For $241.99 with Free Shipping! You Save $140+ Plus Shipping Cost!***MINOR SCRATCH/SCRAPE/SCUFF/BLEMISHED ITEM****WITHOUT...
    ZB10001897
    SKU:
    ZB10001897
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Make:
    Other - Semi-Truck
    Make:
    Universal Items
    Make:
    Freightliner
    $241.99
    Qty in Cart: 0
    Price:
    $241.99
    Subtotal:
  • 2 X 4 Inch Oval 6 Diode Marker Light With Chrome Housing - Amber LED / Amber Lens

    2 X 4 Inch Oval 6 Diode Marker Light With Chrome Housing - Amber LED / Amber Lens

    AUTOMANN USA

    $9.24
    Oval Marker Light With Chrome Housing* High Quality Marker Light* 2 Inch X 4 Inch* 6 Diodes* Amber Lens* Chrome-Plated Plastic Housing* Lens Shape- Oval* Surface Mount* Hardwired* Sold Individually*...
    09-16010189
    SKU:
    09-16010189
    Product Type:
    Lighting
    Length Options:
    4 Inch
    Finish Options:
    Chrome-Plated
    Shape Options:
    Oval
    Color:
    Amber
    Height Options:
    2 Inch
    Material Options:
    Plastic/Poly
    Type Options:
    Surface Mount
    Make:
    Universal Items
    $9.24
    Qty in Cart: 0
    Price:
    $9.24
    Subtotal:
  • Auxiliary Spring Plate Replaces 59191, 591911, 59191000, 59191-000, 59191001, 59191-001, 2586425C1 For Hendrickson HAULMAXX Suspension

    Auxiliary Spring Plate Replaces 59191, 591911, 59191000, 59191-000, 59191001, 59191-001, 2586425C1 For Hendrickson HAULMAXX Suspension

    AFTERMARKET

    $53.99
    Auxiliary Spring PlatePut strength back into your suspension setup with this high-quality Auxiliary Spring Plate for Hendrickson HAULMAXX applications. This auxiliary plate helps support load balance...
    29-05100189
    SKU:
    29-05100189
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • Stainless Steel Standard/Wide Cowl Panels W/ 8 - 3/4 Inch Amber/Amber LEDs For Peterbilt 389 131BBC

    Stainless Steel Standard/Wide Cowl Panels W/ 8 - 3/4 Inch Amber/Amber LEDs For Peterbilt 389 131BBC

    PHOENIX DESIGN

    $320.99
    Stainless Steel Standard/Wide Cowl Panels W/ 8 - 3/4 Inch Amber LED Amber Lens Lights Fit Peterbilt 389 131BBC* High Quality Cowl Panel* Made Of 304 Stainless Steel* 4 - 3/4 Inch Round Lights Per...
    01-091201189
    SKU:
    01-091201189
    Location:
    Made In USA
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Length Options:
    27 Inch
    Product Type:
    Exterior
    $320.99
    Qty in Cart: 0
    Price:
    $320.99
    Subtotal:
  • Brake Shoe Hardware Kit 142.431780, 142.431180 For Eaton

    Brake Shoe Hardware Kit 142.431780, 142.431180 For Eaton

    AUTOMANN USA

    $14.31
    Brake Shoe Hardware Kit Replaces 70326, E1418, R567502, 78580, E1428A, E1428S, R567006, 19-854Maintain reliable and safe braking with the Brake Shoe Hardware Kit for Eaton, a high-quality kit...
    09-05170189
    SKU:
    09-05170189
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $14.31
    Qty in Cart: 0
    Price:
    $14.31
    Subtotal:
  • Roadworks 19.5 Stainless Steel Front Air Cleaner Panels W/ 6 Amber Mini Lights & Amber Lens For Peterbilt 378 & 379 W/ 15 Inch Donaldson Or Vortex

    Roadworks 19.5 Stainless Steel Front Air Cleaner Panels W/ 6 Amber Mini Lights & Amber Lens For Peterbilt 378 & 379 W/ 15 Inch Donaldson Or Vortex

    ROADWORKS

    $471.99
    19.5 Stainless Steel Front Air Cleaner Panels W/ 6 Amber Mini Lights & Amber Lens By Roadworks Fits Peterbilt 378 & 379 W/ 15 Inch Donaldson Or VortexOutfit your Peterbilt with these durable and...
    01-090500189
    SKU:
    01-090500189
    Height Options:
    19 1/2 Inch
    Truck Class:
    Heavy Duty
    Light Options:
    With Lights
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Position:
    Front
    Product Type:
    Exterior
    $471.99
    Qty in Cart: 0
    Price:
    $471.99
    Subtotal:
  • BESTfit 3.5 ID/OD X 6 InchTurbo Outlet Adapter With Flange Style A For Detroit Diesel

    BESTfit 3.5 ID/OD X 6 InchTurbo Outlet Adapter With Flange Style A For Detroit Diesel

    BESTFIT TRUCK PARTS

    $28.65
    BESTfit 3.5 Inch I.D.-O.D. X 6 Inch OAL Aluminized Steel Type A Turbo Pipe With 4 Inch Diameter Flange Fits Detroit DieselGet the perfect fit with this quality type A manifold outlet. It is made of a...
    09-080100189
    SKU:
    09-080100189
    Diameter Options:
    3 Inch
    Truck Class:
    Universal
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    6 Inch
    Product Type:
    Exhaust
    $28.65
    Qty in Cart: 0
    Price:
    $28.65
    Subtotal:
  • FREE SHIPPING OVER $249
    17 Inch 24 Diode Amber Marker With Auxiliary Dual Revolution LED Undermount Light Strip

    17 Inch 24 Diode Amber Marker With Auxiliary Dual Revolution LED Undermount Light Strip

    TRUX ACCESSORIES

    $30.55 - $44.09
    The 17" Dual Revolution LED Strip is a versatile undermount light strip that functions as both an amber marker light and a secondary auxiliary light with a flip of a switch, thanks to its dual...
    PPR_201893
    SKU:
    PPR_201893
    Length Options:
    17 Inch
    Truck Class:
    Universal
    Style Options:
    Dual Revolution
    Make:
    Universal Items
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    Height Options:
    1/2 Inch
    Color:
    Amber/Blue
    Color:
    Amber/Purple
    Color:
    Amber/Green
    Material Options:
    Plastic/Poly
    Color:
    Amber/Red
    $30.55 - $44.09
    Qty in Cart: 0
    Price:
    $30.55 - $44.09
    Subtotal:
  • FREE SHIPPING OVER $249
    Digital Tire Pressure Gauge W/ Blue Guide Light

    Digital Tire Pressure Gauge W/ Blue Guide Light

    AFTERMARKET

    $17.68
    Blue Point Guide Light Digital Tire Pressure GaugeThis simple digital tire pressure gauge measures PSI ranging from 0 to 99. It has a backlit LCD screen and a light on the gauge head to make it easy...
    09-21000189
    SKU:
    09-21000189
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Wheels
    $17.68
    Qty in Cart: 0
    Price:
    $17.68
    Subtotal:
  • Gloss Black Diamond Plate Aluminum Topside Truck Tool Box Leg- 30 Inch

    Gloss Black Diamond Plate Aluminum Topside Truck Tool Box Leg- 30 Inch

    AFTERMARKET

    $26.73
    30 Inch Gloss Black Diamond Plate Aluminum Topside Truck Tool Box LegBring strength and style to your UWS topside tool box with these Gloss Black Diamond Plate Aluminum Topside Truck Tool Box Legs...
    09-020100189
    SKU:
    09-020100189
    Truck Class:
    Universal
    Color:
    Black
    Height Options:
    30 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    Finish Options:
    Diamond Plate
    Product Type:
    Toolboxes
    $26.73
    Qty in Cart: 0
    Price:
    $26.73
    Subtotal:
  • Black Poly Single Arch Fender W/ Stainless Steel Inserts

    Black Poly Single Arch Fender W/ Stainless Steel Inserts

    REALWHEELS

    $393.99
    Single Arch Black Poly Fender W/ Stainless Steel Inserts* High Quality Fender* Made Of Polycarbonate* Single Arch* Fits 22.5 Inch Dual Wheels* Corrosion And UV Resistant* Easy To Clean And Maintain*...
    09-110500189
    SKU:
    09-110500189
    Truck Class:
    Heavy Duty
    Color:
    Black
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Type Options:
    Full Radius
    Product Type:
    Rear Fenders
    $393.99
    Qty in Cart: 0
    Price:
    $393.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Oval Mid Turn LED Light Amber 15 Diodes

    Oval Mid Turn LED Light Amber 15 Diodes

    PETERSON MFG

    $55.99
    LED Oval Mid Turn Light* High Quality Mid Turn Light* Amber Oval * 15 Diodes* Grommet Mount* 2 Function* Sold Individually* Warranty On Mid Turn Light Against Defects In Workmanship & Material From...
    09-1601010189
    SKU:
    09-1601010189
    Color:
    Amber
    Truck Class:
    Universal
    Shape Options:
    Oval
    Make:
    Universal Items
    Material Options:
    Plastic/Poly
    Product Type:
    Lighting
    $55.99
    Qty in Cart: 0
    Price:
    $55.99
    Subtotal:
  • Heritage Silver Brown Tufftex Cloth High Back Seat W/ 20 Inch Cushion & Standard Base, Dual Armrest

    Heritage Silver Brown Tufftex Cloth High Back Seat W/ 20 Inch Cushion & Standard Base, Dual Armrest

    SEATS INC

    $972.99
    High Back Seat With 20 Cushion & Standard Base* High Quality Seat* Tufftex Cloth* Brown* High Back * 20 Inch Cushion * Standard Base* Dual Armrest* Sold Individually* Warranty On Seats Against...
    189800FA633
    SKU:
    189800FA633
    Color:
    Brown
    Material Options:
    Cloth
    Truck Class:
    Heavy Duty
    Product Type:
    Seats
    Location:
    Made In USA
    Type Options:
    Standard Base
    Width Options:
    20 Inch
    Style Options:
    High Back
    Make:
    Universal Items
    $972.99
    Qty in Cart: 0
    Price:
    $972.99
    Subtotal:
  • Air Spring Rolling Lobe 64279, 910-19P315, 9101

    Air Spring Rolling Lobe 64279, 910-19P315, 9101

    AFTERMARKET

    $193.99
    Replacement Air Spring Rolling Lobe* High Quality Air Spring* Rolling Lobe Type* Bumper: Yes* 5700 Lb Load At 80 PSI* 7200 Lb Load At 100 PSI* 60 CPM Natural Frequency* Top Plate:  - 9.00 Inch...
    19-05180189
    SKU:
    19-05180189
    Truck Class:
    Heavy Duty
    Product Type:
    Trailer
    Make:
    Trailer
    $193.99
    Qty in Cart: 0
    Price:
    $193.99
    Subtotal:
  • Total: items /

Adding your products to cart


Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!