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

    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

    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

    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 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

    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

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • BESTfit DT466E Flywheel l With 14 Inch Clutch Replaces 1821916C1, 1821915C91 For International

    BESTfit DT466E Flywheel l With 14 Inch Clutch Replaces 1821916C1, 1821915C91 For International

    BESTFIT TRUCK PARTS

    $304.99
    BESTfit Flywheel With 12 Bolt Holes* High Quality Flywheel* For International DT466E* Flat Design* For 14 Inch Clutch* Size SAE #2* 12 Bolt Holes For Mounting* 17 Inch O.D. * 138 Teeth Ring Gear...
    29-071821915C91
    SKU:
    29-071821915C91
    Truck Class:
    Heavy Duty
    Make:
    International
    Product Type:
    Engine Parts
    Diameter Options:
    17 Inch
    Style Options:
    Flat
    $304.99
    Qty in Cart: 0
    Price:
    $304.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Coolant Reservoir Replaces 15651180, 15684451, 15688604 & 15995900 For GMC C Series & TopKick

    Coolant Reservoir Replaces 15651180, 15684451, 15688604 & 15995900 For GMC C Series & TopKick

    DAYTON / DORMAN

    $43.59
    Coolant Reservoir Fits GMC C Series & TopKick 1990-1998* High Quality Coolant Reservoir* Non-Pressurized * Premium Plastic* Includes Reservoir Cap* Direct Replacement* Sold Individually* Warranty On...
    12-070219
    SKU:
    12-070219
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Product Type:
    Engine Parts
    $43.59
    Qty in Cart: 0
    Price:
    $43.59
    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
    Blower Switch 12 Volt 20 Amp 5 Terminal 3 Position

    Blower Switch 12 Volt 20 Amp 5 Terminal 3 Position

    AFTERMARKET

    $10.42
    Universal Blower Switch* High Quality Bower Switch* 12 Volt * 20 Amp Rating* 3 Position - Knob Not Included* 5 Terminal Hook Up* For AC And Heater Fan Control* Sold Individually* Warranty On Bower...
    2199005
    SKU:
    2199005
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $10.42
    Qty in Cart: 0
    Price:
    $10.42
    Subtotal:
  • FREE SHIPPING OVER $249
    Universal Engine Cooling Fan Clutch Drive Solenoid Kit

    Universal Engine Cooling Fan Clutch Drive Solenoid Kit

    VELVAC

    $117.99
    Replacement Solenoid For Air FanThis universal kit replaces existing solenoids found on Kysor, Bendix, and Horton tan clutches. It includes a valve, wire harness with Weather-Pack sealed connectors,...
    032192
    SKU:
    032192
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    $117.99
    Qty in Cart: 0
    Price:
    $117.99
    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:
  • 1-Piece Stainless Steel Diesel Particulate Filter Replaces 21905492, 85001353 For Mack/Volvo MP7/MP8 Engines

    1-Piece Stainless Steel Diesel Particulate Filter Replaces 21905492, 85001353 For Mack/Volvo MP7/MP8 Engines

    GLOBAL EMISSIONS

    $2,070.99
    1-Piece Stainless Steel Diesel Particulate Filter Fits Mack/Volvo MP7 & MP8 Engines* High Quality Diesel Particulate Filter* Made Of Stainless Steel * Exclusive 1-Piece Canister Design For...
    29-080600031
    SKU:
    29-080600031
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Volvo
    Make:
    Mack
    Product Type:
    Exhaust
    $2,070.99
    Qty in Cart: 0
    Price:
    $2,070.99
    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:
  • 10 Pack 1157 Type Clear Bulb W/ Indexed Double Contact Bayonet Base

    10 Pack 1157 Type Clear Bulb W/ Indexed Double Contact Bayonet Base

    UNITED PACIFIC

    $5.99
    Clear Bulb 1157 Type W/ Indexed Double Contact Bayonet Base 10 PackStock up on reliable replacement lighting with this 10 Pack of 1157 Type Clear Incandescent Bulbs. Featuring an indexed double...
    09-16000219
    SKU:
    09-16000219
    Product Type:
    Lighting
    Make:
    Universal Items
    $5.99
    Qty in Cart: 0
    Price:
    $5.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Chrome Plastic 3 Gauge Horizontal Cluster Cover W/ Visor For Peterbilt

    Chrome Plastic 3 Gauge Horizontal Cluster Cover W/ Visor For Peterbilt

    UNITED PACIFIC

    $9.50
    3 Gauge Horizontal Cluster Cover W/ Visor* High Quality Gauge Cluster Cover* With Visor * Horizontal* 3 Gauges* Sold Individually* Warranty On Gauge Cluster Cover Against Defects In Workmanship &...
    01-150100219
    SKU:
    01-150100219
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Interior
    $9.50
    Qty in Cart: 0
    Price:
    $9.50
    Subtotal:
  • Stainless Steel Day Cab Panels W/ 10 P3 Light Holes For Kenworth T800, W900

    Stainless Steel Day Cab Panels W/ 10 P3 Light Holes For Kenworth T800, W900

    PHOENIX DESIGN

    $196.99
    Day Cab Panels W/ 10 P3 Light Holes Fit Kenworth T800 & W900* High Quality Cab Panel* Made Of 304 Stainless Steel* 5 P3 Light Holes Per Side* Lights Not Included* 8 Inch Spacing* Driver Side 4 3/16...
    02-091200219
    SKU:
    02-091200219
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Kenworth
    Finish Options:
    Paintable
    Length Options:
    52 Inch
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $196.99
    Qty in Cart: 0
    Price:
    $196.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Plain White Bug Screen For Kenworth T660

    Plain White Bug Screen For Kenworth T660

    ROBERT JAMES ENTERPRISES

    $122.99
    Kenworth T660 Plain White Bug ScreenSearching for a highly durable bug screen that is made to withstand heavy every day use? 4 State Trucks offers this quality plain white aftermarket bug screen by...
    02-1204219704
    SKU:
    02-1204219704
    Truck Class:
    Heavy Duty
    Color:
    White
    Location:
    Made In USA
    Make:
    Kenworth
    Product Type:
    Hood Parts & Acc.
    $122.99
    Qty in Cart: 0
    Price:
    $122.99
    Subtotal:
  • Plain Black Mesh Bug Screen W/ Black Vinyl W/ Black Vinyl Screen For Kenworth T660 Models

    Plain Black Mesh Bug Screen W/ Black Vinyl W/ Black Vinyl Screen For Kenworth T660 Models

    ROBERT JAMES ENTERPRISES

    $99.99
    Kenworth T660 Plain Black Bug Screen W/ Heavy Duty Trim By Robert James EnterprisesAre you looking to find a highly durable bug screen that is made to withstand heavy every day use? 4 State Trucks...
    02-1204219705
    SKU:
    02-1204219705
    Truck Class:
    Heavy Duty
    Color:
    Black
    Location:
    Made In USA
    Make:
    Kenworth
    Material Options:
    Vinyl
    Product Type:
    Exterior
    $99.99
    Qty in Cart: 0
    Price:
    $99.99
    Subtotal:
  • Lincoln Chrome SS 18 Inch Texas Boxed End Bumper, 10 Gauge W/ Mounting & Tow Holes For 2004 - 2007 Freightliner Classic 132XL, 120

    Lincoln Chrome SS 18 Inch Texas Boxed End Bumper, 10 Gauge W/ Mounting & Tow Holes For 2004 - 2007 Freightliner Classic 132XL, 120

    LINCOLN CHROME

    $1,179.99
    Chrome Plated Stainless Steel 18 Inch Freightliner Classic Texas Boxed End Bumper* High Quality Replacement Bumper* Made Of 10-Gauge Chrome-Plated Stainless Steel* 18 Inch Texas Boxed End* Has...
    03-010018219
    SKU:
    03-010018219
    Height Options:
    18 Inch
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Location:
    Made In USA
    Style Options:
    Texas Boxed End
    Material Options:
    Stainless Steel
    Finish Options:
    Chrome-Plated
    Type Options:
    Standard Mount
    Size Options:
    10 Gauge
    Product Type:
    Bumpers
    $1,179.99
    Qty in Cart: 0
    Price:
    $1,179.99
    Subtotal:
  • Stainless Steel Cab Panels W/ 16 Amber/Clear M1 LEDs For International ProStar W/O Heater Plug

    Stainless Steel Cab Panels W/ 16 Amber/Clear M1 LEDs For International ProStar W/O Heater Plug

    ROADWORKS

    $917.99
    Stainless Steel Cab Panels W/ 16 Amber/Clear M1 LEDs Fits International ProStar* High Quality Cab Panels* Made Of Stainless Steel * For Trucks Without Heater Plug * With 8 Amber/Clear M1 Lights *...
    07-091200219
    SKU:
    07-091200219
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Light Options:
    With Lights
    Material Options:
    Stainless Steel
    Make:
    International
    Finish Options:
    Polished
    Length Options:
    52 Inch
    Product Type:
    Exterior
    $917.99
    Qty in Cart: 0
    Price:
    $917.99
    Subtotal:
  • Go Rhino Stainless Steel Charger RC2 Bull Bar & Mounting Brackets W/ 3 Inch Tubing For GMC Sierra 1500

    Go Rhino Stainless Steel Charger RC2 Bull Bar & Mounting Brackets W/ 3 Inch Tubing For GMC Sierra 1500

    GO RHINO

    $439.99
    SS Charger 2 RC2 Front Guard & Brackets Fits GMC Sierra 1500* High Quality Bull Bar* Includes: - Bull Bar - Mounting Brackets - 3 Inch Tubing* Made Of Stainless Steel* Skid Plate Features Pre-Cut...
    55219PS
    SKU:
    55219PS
    Color:
    Black
    Truck Class:
    Light Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    GMC
    Product Type:
    Bumpers
    $439.99
    Qty in Cart: 0
    Price:
    $439.99
    Subtotal:
  • RoadWatch Temperature Sensor Kit- Reads In Celsius

    RoadWatch Temperature Sensor Kit- Reads In Celsius

    BOSTROM TRUCK SEATS

    $785.99
    Sensor Kit W/ Digital Display and 12 Foot Extension CableMonitor air and road surface temps in Celsius with this RoadWatch Sensor Kit. Easily send data to your winter road maintenance gear on salt...
    09-1502190
    SKU:
    09-1502190
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Interior
    $785.99
    Qty in Cart: 0
    Price:
    $785.99
    Subtotal:
  • 1-1/8 Inch Inner Cap Nuts - 2 Gallon Bucket, 90 Pieces For Steel Inner / Aluminum Outer Wheels

    1-1/8 Inch Inner Cap Nuts - 2 Gallon Bucket, 90 Pieces For Steel Inner / Aluminum Outer Wheels

    AFTERMARKET

    $414.99
    Inner Cap NutsThis 2-gallon bucket of Inner Cap nuts contains over 90 pieces. Each Inner Cap nut measures 3.080 inches long and has a 1-1/8 inch 16 thread. They are compatible with steel inner and...
    09-20200219
    SKU:
    09-20200219
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Wheels
    Style Options:
    Budd Wheel
    Position:
    Driver Side
    Material Options:
    Steel
    $414.99
    Qty in Cart: 0
    Price:
    $414.99
    Subtotal:
  • Stainless Steel Wiper/Washer Script Plate For Dashboard Control Knob - Stick On

    Stainless Steel Wiper/Washer Script Plate For Dashboard Control Knob - Stick On

    GRAND GENERAL

    $4.78
    Dash Knob Wiper/Washer Script Plate - Plate Only* High Quality Script Plate* Stainless Steel* With Wiper/Washer Script* Sold Individually* Warranty On Script Plates Against Defects In Workmanship &...
    09-1502198
    SKU:
    09-1502198
    Product Type:
    Interior
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $4.78
    Qty in Cart: 0
    Price:
    $4.78
    Subtotal:
  • Wine 2 Zipper Quilted Vinyl Winter Front With By Robert James For Kenworth W900L

    Wine 2 Zipper Quilted Vinyl Winter Front With By Robert James For Kenworth W900L

    ROBERT JAMES ENTERPRISES

    $240.99
    Kenworth W900L Premium Dual Zipper Winter Fronts By Robert James* High Quality Winter Front* Quilted Vinyl* Wine* 2 Zip* It Offers Full Control Of Air Flow To The Engine* Close It Up For Extra Frigid...
    02-120600219
    SKU:
    02-120600219
    Product Type:
    Hood Parts & Acc.
    Truck Class:
    Heavy Duty
    Material Options:
    Vinyl
    Make:
    Kenworth
    $240.99
    Qty in Cart: 0
    Price:
    $240.99
    Subtotal:
  • Total: items /

Adding your products to cart


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