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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
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
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FREE SHIPPING OVER $249
FF2200FLG Cummins ISX Fuel Filter
OPP - ORIGINAL PARTS PROGRAM
$32.90Fleetguard Filter-Fuel ID: FF2200* High Quality Fuel Filter* Sold Individually* Warranty On Fuel Filters Against Defects In Workmanship & Material From Date Of Purchase*** This Is An OEM Replacement...FF2200FLG- SKU:
- FF2200FLG
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
$32.90Qty in Cart: 0Price:$32.90Subtotal: -
Front Door Glass Run Weather Strip Channel Replaces OEM R70-6013-2200 For Peterbilt
OPP - ORIGINAL PARTS PROGRAM
$91.99Replacement Peterbilt Weather Strip Channel For Glass Run New Style Door With No VentInstall this Peterbilt door glass run channel to protect your windows, stop leaks, and eliminate rattles. This...R7060132200- SKU:
- R7060132200
- Color:
- Black
- Product Type:
- Exterior
- Make:
- Peterbilt
$91.99Qty in Cart: 0Price:$91.99Subtotal: -
BESTfit Diamond Plate Aluminum Tool Box W/ Smooth Sides & New Style Step 31 X 30 X 15 Inch For Peterbilt 378, 379, 389 Glider
BESTFIT TRUCK PARTS
$866.9931 X 30 X 15 Inch Diamond Plate Aluminum Tool Box W/ Smooth Sides & New Style Step By BESTfit Fits Peterbilt 378, 379, 389 GliderLooking for a sturdy, reliable toolbox for your Peterbilt 378, 379, or...01-05022000- SKU:
- 01-05022000
- Length Options:
- 31 Inch
- Material Options:
- Aluminum
- Finish Options:
- Diamond Plate
- Product Type:
- Frame & Chassis
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Ready To Ship:
- Yes
- Height Options:
- 15 Inch
- Width Options:
- 30 Inch
$866.99Qty in Cart: 0Price:$866.99Subtotal: -
Plain Black Mesh Bug Screen W/ Black Vinyl For Peterbilt 389 Models
ROBERT JAMES ENTERPRISES
$99.99Peterbilt 389 Plain Black Bug Screen W/ Heavy Duty Trim By Robert James EnterprisesAre you looking to find a highly durable bug screen for your Peterbilt Truck? 4 State Trucks offers this quality...01-1204220005- SKU:
- 01-1204220005
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Color:
- Black
- Make:
- Peterbilt
- Material Options:
- Vinyl
- Product Type:
- Exterior
$99.99Qty in Cart: 0Price:$99.99Subtotal: -
FREE SHIPPING OVER $249
Poly Upper Front Fairing Bushing For Kenworth T660 2008 -2017
AUTOMANN USA
$26.98Kenworth Poly Upper Front Mount BushingKeep your Kenworth T660 front fairing properly aligned and secure with the Poly Upper Front Fairing Bushing. With dimensions of 2.671-inch length, 2.406-inch...02-05122005- SKU:
- 02-05122005
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Product Type:
- Frame & Chassis
$26.98Qty in Cart: 0Price:$26.98Subtotal: -
Kenworth W900A Replacement Headliner Upholstery By BESTfit
BESTFIT TRUCK PARTS
$470.99BESTfit Replacement Fiberglass Headliner InsertThe Economy Fiberglass Original Style Replacement Interior Headliner is an ideal option for Kenworth W900A owners looking to refresh their cab's ceiling...02-152200- SKU:
- 02-152200
- Truck Class:
- Heavy Duty
- Material Options:
- Fiberglass
- Make:
- Kenworth
- Product Type:
- Interior
- Finish Options:
- Paintable
$470.99Qty in Cart: 0Price:$470.99Subtotal: -
Stainless Steel Side Fairing Panel Set W/ 28 P1 Amber Lights For Freightliner Cascadia
PHOENIX DESIGN
$719.996 Piece Front, Rear & Center Side Fairing Panel Set W/ 14 Amber LED Amber Lens Lights Per Side* High Quality Side Fairing Panel* Made Of 304 Stainless Steel* 57 Inch Length* Lights 14 Per Side* Amber...03-05122007- SKU:
- 03-05122007
- Truck Class:
- Heavy Duty
- Color:
- Amber
- Material Options:
- Stainless Steel
- Make:
- Freightliner
- Product Type:
- Frame & Chassis
$719.99Qty in Cart: 0Price:$719.99Subtotal: -
18 X 32.5 Inch Vertical Diamond Pattern Quilted Vinyl Fender Guard W/ Snaps On Side, Top - Wine Color
ROBERT JAMES ENTERPRISES
$218.99Wine Colored Quilted Vinyl Fender Guard W/ Snaps On Side & Top - Not BottomAdd an extra layer of protection to your fenders with this pair of front fender covers by Robert James Enterprises. They are...09-112200002- SKU:
- 09-112200002
- Width Options:
- 32 Inch
- Location:
- Made In USA
- Material Options:
- Vinyl
- Make:
- Universal Items
- Truck Class:
- Heavy Duty
- Product Type:
- Rear Fenders
$218.99Qty in Cart: 0Price:$218.99Subtotal: -
FREE SHIPPING OVER $249
CSM 1:32 Blue Kenworth W900 W/ Flatbed Trailer Hauling A Front Loader Red Farm Tractor Diecast Model
CHROME SHOP MAFIA
$57.19Chrome Shop Mafia 1:32 Scale Kenworth W900 Semi Truck in Blue with Flatbed Trailer and Red Farm Tractor with Front Loader Die-Cast Model* High Quality Toy* Die-Cast With Plastic* Blue Flatbed...09-220000016- SKU:
- 09-220000016
- Truck Class:
- Universal
- Color:
- Blue
- Make:
- Universal Items
- Product Type:
- Apparel
- Ready To Ship:
- Yes
$57.19Qty in Cart: 0Price:$57.19Subtotal: -
Stainless Steel Bug Deflector For Volvo VNL Gen I/ Gen II
UNITED PACIFIC
$245.99SS Bug Deflector* High Quality Bug Deflector* Stainless Steel* Drilling Of Mounting Holes Through Hood Required* Provides A Classy And More Forgiving Alternative To Plastic Bug Deflectors*...13-12200003- SKU:
- 13-12200003
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Volvo
- Finish Options:
- Polished
- Product Type:
- Hood Parts & Acc.
$245.99Qty in Cart: 0Price:$245.99Subtotal: -
Bostrom Seat PR10 III Hi Back LoPro Seat W/ Dual Arms, Air Lumbar Support - Black Ultraleather
BOSTROM TRUCK SEATS
$1,435.99Black Ultra-Leather LoPro 910 Truck Seat W/ Dual 16 Inch Armrests and Hi-Back Design* High Quality Seat* Ultra-Leather* Black* Hi Back* Features: - 16 Inch Dual Armrest - With 6 Inch Ride Zone -...9220029900- SKU:
- 9220029900
- Truck Class:
- Heavy Duty
- Product Type:
- Seats
- Material Options:
- Ultra Leather
- Make:
- Universal Items
$1,435.99Qty in Cart: 0Price:$1,435.99Subtotal: -
Stainless Steel Trim On Rear Back Edge Of Side Fairing With Light HolesBy CSM For Peterbilt 579 Gen II
CHROME SHOP MAFIA
$146.99Peterbilt 579 Gen II SS Trim On Rear Back Edge Of Side Fairing By Chrome Shop MafiaThese stainless steel trims are designed for the rear back edge of the side fairing on the Peterbilt 579 Gen II 2022...01-05122004- SKU:
- 01-05122004
- Material Options:
- Stainless Steel
- Truck Class:
- Heavy Duty
- Product Type:
- Frame & Chassis
- Make:
- Peterbilt
$146.99Qty in Cart: 0Price:$146.99Subtotal: -
Stainless Steel Bug Shield For Peterbilt 379 Long Hood 1987-2007
VALLEY CHROME PLATING
$250.99Stainless Peterbilt 379 Long Hood Bug Shield* High Quality Bug Shield * Stainless Steel* Sold Individually* Warranty On Bug Shields Against Defects In Workmanship & Material From Date Of Purchase***...01-12200007- SKU:
- 01-12200007
- Product Type:
- Hood Parts & Acc.
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Ready To Ship:
- Yes
$250.99Qty in Cart: 0Price:$250.99Subtotal: -
Stainless Steel Fan Script Plate For Dashboard Control Knob - Stick On
GRAND GENERAL
$4.92Dash Knob Fan Script Plate - Plate Only* High Quality Script Plate* Stainless Steel* With Fan Script* Sold Individually* Warranty On Script Plates Against Defects In Workmanship & Material From Date...09-1502200- SKU:
- 09-1502200
- Truck Class:
- Heavy Duty
- Product Type:
- Interior
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Ready To Ship:
- Yes
$4.92Qty in Cart: 0Price:$4.92Subtotal: -
Chrome Plastic Lady Waving Accent
GRAND GENERAL
$9.65Chrome Lady Waving Accent* High Quality Waving Accent* Waving Sitting Lady* With Strong 3 Way Suction Cup And Spring* Chrome Plastic* 5-1/4 Inch Height* 3-1/4 Inch Width* Sold As Pair* Warranty On...09-220000034- SKU:
- 09-220000034
- Material Options:
- Plastic/Poly
- Finish Options:
- Chrome-Plated
- Product Type:
- Apparel
- Make:
- Universal Items
- Width Options:
- 3 1/4 Inch
- Height Options:
- 5 Inch
- Ready To Ship:
- Yes
$9.65Qty in Cart: 0Price:$9.65Subtotal: -
Aeroshield Stainless Steel Hood Protector For Western Star
BELMOR
$272.99Aeroshield Stainless Steel Wrap- Around Hood Protector* High Quality Hood Protector* Aeroshield Wrap-Around Design* Mirror Finish* 18 Gauge 304 Stainless Steel* Sold Individually* Warranty On Hood...14-12200006- SKU:
- 14-12200006
- Finish Options:
- Mirror
- Size Options:
- 18 Gauge
- Style Options:
- Wrap Around End
- Material Options:
- Stainless Steel
- Product Type:
- Hood Parts & Acc.
- Make:
- Western Star
$272.99Qty in Cart: 0Price:$272.99Subtotal: -
57 Inch Stainless Steel Bug Shield For Western Star 5700XE
PANELITE
$287.99Western Star 5700XE 57 Inch Bug ShieldDefend your Western Star 5700XE against debris and road hazards with this 57 Inch Stainless Steel Bug Shield. Crafted from durable 304 stainless steel, it offers...14-12200014- SKU:
- 14-12200014
- Width Options:
- 57 Inch
- Material Options:
- Stainless Steel
- Product Type:
- Hood Parts & Acc.
- Make:
- Western Star
$287.99Qty in Cart: 0Price:$287.99Subtotal: -
Stainless Steel 430 Polished Bug Deflector For Peterbilt 367, 388, 389
UNITED PACIFIC
$241.99Peterbilt Heavy Duty SS Bug Deflector* High Quality Bug Deflector* Made Of Stainless Steel * Drilling Of Mounting Holes Through Hood Required* Provides A Classy And More Forgiving Alternative To...01-12200000- SKU:
- 01-12200000
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Product Type:
- Hood Parts & Acc.
- Ready To Ship:
- Yes
$241.99Qty in Cart: 0Price:$241.99Subtotal: -
Stainless Steel Bug Deflector For Kenworth T800
UNITED PACIFIC
$184.99Kenworth T800 SS Bug Deflector* High Quality Bug Deflector* Stainless Steel * Drilling Of Mounting Holes Through Hood Required* Provides A Classy And More Forgiving Alternative To Plastic Bug...02-12200002- SKU:
- 02-12200002
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Kenworth
- Product Type:
- Hood Parts & Acc.
$184.99Qty in Cart: 0Price:$184.99Subtotal: -
Bug Screen Grille Cover For International WorkStar 7000 2006-Current
BELMOR
$66.99Bug Screen Grille Cover Fits International 7000BELMOR Bug Screens help to keep your trucks grille clean and protect your radiator and other key engine and cooling components from bugs and other small...07-1204220000- SKU:
- 07-1204220000
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Make:
- International
- Product Type:
- Hood Parts & Acc.
$66.99Qty in Cart: 0Price:$66.99Subtotal: