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

    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

    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

    Blatant Signs Your Turbocharger is Failing (And When to Replace it) (Post)

    If your semi truck turbocharger is failing, you'll encounter a few common signs. In this post, we'll cover what those are, and similar symptoms that aren't actually the turbo, but a related part.  Sig

    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

    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
  • BESTfit Black Steel Center Bumper Section W/ Tow Holes Replaces 21-26020-011 For Freightliner Columbia

    BESTfit Black Steel Center Bumper Section W/ Tow Holes Replaces 21-26020-011 For Freightliner Columbia

    BESTFIT TRUCK PARTS

    $303.99
    BESTfit Painted Steel Center Bumper W/ Round Tow, Pin Holes In Upper FaceThis BESTfit old style black center bumper is made of a strong stainless steel and has round tow pin holes in the upper face...
    03-010112
    SKU:
    03-010112
    Truck Class:
    Heavy Duty
    Position:
    Center
    Material Options:
    Steel
    Make:
    Freightliner
    Product Type:
    Bumpers
    Ready To Ship:
    Yes
    $303.99
    Qty in Cart: 0
    Price:
    $303.99
    Subtotal:
  • High Flow Performance Air Filter With Washable Element Media For Kenworth, Peterbilt 372 & 379 - Pair

    High Flow Performance Air Filter With Washable Element Media For Kenworth, Peterbilt 372 & 379 - Pair

    FLEET FILTERS

    $839.99
    High Performance Air Filter Media Fits Kenworth, Peterbilt 372, 379 - PairYou never need to waste money on paper filters again! 4 State Trucks proudly offers Fleet Air Filters, the only lifetime,...
    29-090500011
    SKU:
    29-090500011
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Make:
    Kenworth
    Product Type:
    Exterior
    $839.99
    Qty in Cart: 0
    Price:
    $839.99
    Subtotal:
  • BESTfit Charge Air Cooler 35.3 X 27.19 X 2.25 Inch Replaces 1040118, 1050054 For Ford & Sterling

    BESTfit Charge Air Cooler 35.3 X 27.19 X 2.25 Inch Replaces 1040118, 1050054 For Ford & Sterling

    BESTFIT TRUCK PARTS

    $402.99
    Brazed Charge Air Cooler W/ 4.5 Inch Inlet & Outlet By BESTfit Replaces 1040118, 1050054* High Quality CAC Tube* Construction: Brazed* Core Size:   - 35.30 Inch Height  - 27.19 Inch Width  - 2.25...
    05-070117
    SKU:
    05-070117
    Truck Class:
    Heavy Duty
    Make:
    Sterling
    Make:
    Ford
    Product Type:
    Engine Parts
    $402.99
    Qty in Cart: 0
    Price:
    $402.99
    Subtotal:
  • 6 Inch Low Profile Fuel Filter Wrench For Davco Models 382 & 84

    6 Inch Low Profile Fuel Filter Wrench For Davco Models 382 & 84

    AUTOMANN USA

    $29.22
    Low Profile Wrench For 6 Inch OD Fuel Filters* High Quality Wrench* 6 Inch* Low Profile Design For Better Clearance* Sold Individually* Warranty On Wrenches Against Defects In Workmanship & Material...
    09-21000116
    SKU:
    09-21000116
    Product Type:
    Tools
    Length Options:
    6 Inch
    Make:
    Universal Items
    $29.22
    Qty in Cart: 0
    Price:
    $29.22
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 2.25 Inch Oil Filler Cap W/ T Handle For Cummins

    TPHD 2.25 Inch Oil Filler Cap W/ T Handle For Cummins

    TPHD

    $34.66
    Oil Filler Cap By TPHD* High Quality Expandable Metal - Rubber Cap* Fits 2.25 Inch ID Oil Filler Hole* For Cummins Engines* Sold Individually* Warranty On Oil Filler Cap Against Defects In...
    09-072011
    SKU:
    09-072011
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $34.66
    Qty in Cart: 0
    Price:
    $34.66
    Subtotal:
  • FREE SHIPPING OVER $249
    55MM Diesel Particulate Filter Gasket, Clamp Kit - Replaces A0004902241, A6804910480 For Freightliner & Western Star

    55MM Diesel Particulate Filter Gasket, Clamp Kit - Replaces A0004902241, A6804910480 For Freightliner & Western Star

    DAYTON / DORMAN

    $167.99
    55MM Diesel Particulate Filter Gasket & Clamp Kit* High Quality Diesel Particulate Filter Gasket And Clamp Kit* Band Width: 55 Mm, 0.17 Mm* Clamping Type: Bolt* Material: Stainless Steel, Mbg-D*...
    29-080600011
    SKU:
    29-080600011
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    Product Type:
    Exhaust
    $167.99
    Qty in Cart: 0
    Price:
    $167.99
    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:
  • BESTfit Sanden 4042 AC Compressor With 119MM 8 Groove Clutch Replaces F69-1003, LF0111 For Peterbilt

    BESTfit Sanden 4042 AC Compressor With 119MM 8 Groove Clutch Replaces F69-1003, LF0111 For Peterbilt

    BESTFIT TRUCK PARTS

    $474.99
    BESTfit 12V AC Compressor With Lateral Port, Clockwise Rotation & Serpentine Belt Fits PeterbiltThe BestFit Sanden 4042 AC Compressor featuring a 119mm 8-groove clutch is a reliable replacement...
    01-070000011
    SKU:
    01-070000011
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $474.99
    Qty in Cart: 0
    Price:
    $474.99
    Subtotal:
  • TPHD Passenger Side Upper Exhaust Clamp Replaces M16-1011R For Kenworth T600, T600B & AeroCab

    TPHD Passenger Side Upper Exhaust Clamp Replaces M16-1011R For Kenworth T600, T600B & AeroCab

    TPHD

    $95.99
    Exhaust Stack Top Clamp With 5.825 Inch Bracket Spacing Fits Passenger Side T600 Kenworth By TPHD* High Quality Upper Exhaust Clamp* Fits Passenger Side* Made of 304 Stainless Steel* Stack Clamp With...
    02-08410111
    SKU:
    02-08410111
    Product Type:
    Exhaust
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    $95.99
    Qty in Cart: 0
    Price:
    $95.99
    Subtotal:
  • Driver Side Upper Exhaust Clamp Replaces M16-1011 For Kenworth T600, T600B & AeroCab

    Driver Side Upper Exhaust Clamp Replaces M16-1011 For Kenworth T600, T600B & AeroCab

    AFTERMARKET

    $121.99
    Exhaust Stack Top Clamp With 5.825 Inch Bracket Spacing Fits Driver Side T600 Kenworth By TPHD* High Quality Upper Exhaust Clamp* Fits Driver Side* Made of 304 Stainless Steel* Stack Clamp With...
    02-08410110
    SKU:
    02-08410110
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    Make:
    Kenworth
    $121.99
    Qty in Cart: 0
    Price:
    $121.99
    Subtotal:
  • Chrome Bumper Center Trim Replaces 20446902, 20576036, 85104912 For Volvo VNL Gen II

    Chrome Bumper Center Trim Replaces 20446902, 20576036, 85104912 For Volvo VNL Gen II

    AUTOMANN USA

    $128.99
    Chrome Plastic Center Bumper TrimAdd style and durability to your Volvo VNL Gen II with the Chrome Bumper Center Trim, designed to replace OEM 20446902, 20576036, and 85104912. Constructed from...
    13-011407
    SKU:
    13-011407
    Truck Class:
    Heavy Duty
    Make:
    Volvo
    Product Type:
    Bumpers
    Finish Options:
    Chrome-Plated
    $128.99
    Qty in Cart: 0
    Price:
    $128.99
    Subtotal:
  • Bulldog HD Rear Shock Absorber Replaces 3684524C1, 60657-006, 60657-010, 60657-011 For International LT625

    Bulldog HD Rear Shock Absorber Replaces 3684524C1, 60657-006, 60657-010, 60657-011 For International LT625

    BULLDOG HD SHOCKS

    $64.99
    Heavy Duty Shock Absorber Fits International LT625 2018-2019Bulldog HD shocks are fleet tested and approved. This is a premium rear replacement shock reengineered to be better than the factory part...
    07-050000023
    SKU:
    07-050000023
    Length Options:
    21 Inch
    Truck Class:
    Heavy Duty
    Make:
    International
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $64.99
    Qty in Cart: 0
    Price:
    $64.99
    Subtotal:
  • Drag Link 15.5 Inch C To C Replaces DS1280 For Kenworth W900B, W900L

    Drag Link 15.5 Inch C To C Replaces DS1280 For Kenworth W900B, W900L

    AFTERMARKET

    $181.99
    15.5 Inch C To C Drag Link Replaces DS1280, L24VU8036A11, L24VU8036A12, L24VU8036B11, L24VU8036B11L, L24VU8036C11, L24VU8036B11Keep your Kenworth W900B or W900L steering system operating safely with...
    02-05090011
    SKU:
    02-05090011
    Truck Class:
    Heavy Duty
    Length Options:
    15 1/2 Inch
    Material Options:
    Steel
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $181.99
    Qty in Cart: 0
    Price:
    $181.99
    Subtotal:
  • Drag Link 5.75 Inch C To C - 10007603 For Blue Bird Vision, TC2000

    Drag Link 5.75 Inch C To C - 10007603 For Blue Bird Vision, TC2000

    AFTERMARKET

    $48.34
    5.75 Inch C To C Drag Link Replaces 10007603* High Quality Drag Link* 1-1/4 Inch -12* 5.75 Inch C To End* Adjustable End* Made In USA* Sold Individually* Warranty On Drag Links Against Defects In...
    30-05090011
    SKU:
    30-05090011
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Bus
    Product Type:
    Frame & Chassis
    $48.34
    Qty in Cart: 0
    Price:
    $48.34
    Subtotal:
  • On Sale
    Limited Quantity Available
    BESTfit Charge Air Cooler 25.79 X 21.18 X 2.24 Inch Replaces 222206, FLX010127 For Ford F250, F350, F450, F500 & Super Duty Series

    BESTfit Charge Air Cooler 25.79 X 21.18 X 2.24 Inch Replaces 222206, FLX010127 For Ford F250, F350, F450, F500 & Super Duty Series

    BESTFIT TRUCK PARTS

    Now: $101.00
    Was: $512.99
    Charge Air Cooler W/ 2.99 Inch Inlet & 3.27 Inch Outlet By BESTfit Replaces 222206, FLX010127* High Quality Charge Air Cooler* Inches Core Size  - 25.790 Height  - 21.180 Width  - 2.240 Core...
    05-070111
    SKU:
    05-070111
    Truck Class:
    Heavy Duty
    Make:
    Sterling
    Make:
    Ford
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $101.00
    Was: $512.99
    Qty in Cart: 0
    Price:
    Now: $101.00
    Was: $512.99
    Subtotal:
  • Drag Link 29.5 Inch C To C - 1414374000 For Freightliner

    Drag Link 29.5 Inch C To C - 1414374000 For Freightliner

    AFTERMARKET

    $269.99
    29.5 Inch C To C Drag Link Replaces 1414374000, 14-14374-000, A1412350000,A14-12350-000, L20VU5097A11* High Quality Drag Link* 29.50 Inch C To C* E To E- 14.50 Inch* Shaft Diameter- 1.378 Inch* Taper...
    03-05090011
    SKU:
    03-05090011
    Material Options:
    Steel
    Length Options:
    29 1/2 Inch
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Product Type:
    Frame & Chassis
    $269.99
    Qty in Cart: 0
    Price:
    $269.99
    Subtotal:
  • Cruise Control Rocker Switch -10 Pin Replaces A06-30769-011 For Freightliner Columbia, Century

    Cruise Control Rocker Switch -10 Pin Replaces A06-30769-011 For Freightliner Columbia, Century

    AUTOMANN USA

    $44.60
    Replacement Rocker Switch For Cruise ControlRestore smooth cruise control functionality with the Cruise Control Rocker Switch for Freightliner Columbia and Century, replacing A06-30769-011. This...
    03-16200016
    SKU:
    03-16200016
    Product Type:
    Lighting
    Color:
    Black
    Make:
    Freightliner
    $44.60
    Qty in Cart: 0
    Price:
    $44.60
    Subtotal:
  • 304 SS Bolt-Mount Hood Extensions W/ Louvers For International 9900ix 1999-2011

    304 SS Bolt-Mount Hood Extensions W/ Louvers For International 9900ix 1999-2011

    ROADWORKS

    $257.99
    RoadWorks 304 Stainless Steel Bolt-Mount Hood Extensions W/ Louvers* High Quality Hood Extensions* Made Of 304 Stainless Steel * With Louvers* Bolt Mount * Sold As Pair* Warranty On Hood Extensions...
    07-123000011
    SKU:
    07-123000011
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    International
    Finish Options:
    Polished
    Product Type:
    Hood Parts & Acc.
    $257.99
    Qty in Cart: 0
    Price:
    $257.99
    Subtotal:
  • 2 X 35 Inch Louver Style Grille Bar Fits Louvered Grille For W900L

    2 X 35 Inch Louver Style Grille Bar Fits Louvered Grille For W900L

    TRUX ACCESSORIES

    $21.21
    Kenworth W900L Louver Style Replacement Grille Bar* High Quality Replacement Grille Bar* Dimensions - 2 Inch Wide - 35 Inch Long* Replacement Bar For Grille Part 02-1210103* Made In USA* Sold...
    02-1210111
    SKU:
    02-1210111
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Style Options:
    Louvered
    Product Type:
    Hood Parts & Acc.
    $21.21
    Qty in Cart: 0
    Price:
    $21.21
    Subtotal:
  • 35 X 79 X 6.5 Inch Convoluted Gel Foam Truck Mattress For International & Volvo

    35 X 79 X 6.5 Inch Convoluted Gel Foam Truck Mattress For International & Volvo

    OPP - ORIGINAL PARTS PROGRAM

    $216.99
    35 X 79 X 6.5 Inch Convoluted Gel Foam MattressThe Convoluted Gel Foam Truck Mattress measures 6.5 x 35 x 79 inches and features a practical one-sided design. It consists of a 4.5-inch convoluted...
    29-154500011
    SKU:
    29-154500011
    Length Options:
    79 Inch
    Truck Class:
    Heavy Duty
    Color:
    Black
    Width Options:
    35 Inch
    Make:
    International
    Make:
    Volvo
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $216.99
    Qty in Cart: 0
    Price:
    $216.99
    Subtotal:
  • Total: items /

Adding your products to cart


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