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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
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
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 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
FS1065 Fleetguard Fuel Filter/Water Separator Cummins ISL
OPP - ORIGINAL PARTS PROGRAM
$48.77FS1065 Fleetguard Fuel Filter With Water Separator Cummins ISLThe filter has efficient filtration function, which can improve the fuel rate of the engine, protect your engine and prolong its service...FS1065FLG- SKU:
- FS1065FLG
- Truck Class:
- Heavy Duty
- Make:
- Universal Items
- Product Type:
- Engine Parts
$48.77Qty in Cart: 0Price:$48.77Subtotal: -
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Ball Style Hood Latch Replaces K147-107 & K147-C-106 For Kenworth T300, T600, T800 & W900
BESTFIT TRUCK PARTS
$16.01Kenworth Ball Style Hood LatchAre you having trouble keeping your latch closed on your hood? 4 State Trucks has the quality aftermarket part that will get your hood back into working order. This ball...02-124001- SKU:
- 02-124001
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Color:
- Black
- Material Options:
- Rubber
- Product Type:
- Hood Parts & Acc.
- Ready To Ship:
- Yes
$16.01Qty in Cart: 0Price:$16.01Subtotal: -
Air Intake Pre-Filter For Freightliner M2-106
FREEDOM AIR FILTERS
$48.55Air Intake Pre-Filter Fits Freightliner M2-106Clogged filters mean compromising peak air flow and horsepower. Use this high quality air intake pre-filter for your Freightliner M2-106 to keep the...03-12336- SKU:
- 03-12336
- Truck Class:
- Heavy Duty
- Color:
- Black
- Material Options:
- Plastic/Poly
- Make:
- Freightliner
- Product Type:
- Hood Parts & Acc.
$48.55Qty in Cart: 0Price:$48.55Subtotal: -
FREE SHIPPING OVER $249
Carrier Bearing Kit With Bracket Replaces 210661-1X CB2106611XSA
OPP - ORIGINAL PARTS PROGRAM
$146.99Carrier Bearing Kit* High Quality Carrier Bearing Kit* 18N Series With Bracket* Replaces OEM # 210121-1X, CB2106611XSA* Sold As Kit* Warranty On Hub Adapter Against Defects In Workmanship & Material...CB2106611XSA- SKU:
- CB2106611XSA
- Truck Class:
- Heavy Duty
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$146.99Qty in Cart: 0Price:$146.99Subtotal: -
Intake Pre-Filter For LAF3551 Air Filter
FREEDOM AIR FILTERS
$76.99Intake 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
$76.99Qty in Cart: 0Price:$76.99Subtotal: -
On SaleLimited Quantity Available
Rear Axle Oil Temperature Gauge - Replaces A22 - 73647 - 106 For Western Star 5700XE 2018+
OPP - ORIGINAL PARTS PROGRAM
Now: $177.55Was: $299.99Western Star 5700XE Rear Axle Oil Temperature Gauge* High Quality Rear Axle Oil Temperature Gauge * Direct Replacement * Sold Individually * Warranty On Rear Axle Oil Temperature Gauge Against...14-1502000OE- SKU:
- 14-1502000OE
- Truck Class:
- Heavy Duty
- Make:
- Western Star
- OEM:
- OEM
- Product Type:
- Interior
- Ready To Ship:
- Yes
Now: $177.55Was: $299.99Qty in Cart: 0Price:Now: $177.55Was: $299.99Subtotal: -
Jones Performance Fiberglass Hood Shell W/ 39 Inch Centerline & Fenders For Freightliner M2 Series, M2-106 Replaces A17-21139-106, A17-21151-062
JONES PERFORMANCE
$1,762.50Fiberglass Hood Shell W/ 39 Inch Centerline & Fenders By Jones Performance Replaces A17-21139-106, A17-21151-062 Fits Freightliner M2 Series, M2-106* High Quality Hood* Extended Breather* Cofab...03-12500015- SKU:
- 03-12500015
- Product Type:
- Hood Shell
- Material Options:
- Fiberglass
- Color:
- White
- Location:
- Made In USA
- Make:
- Freightliner
$1,762.50Qty in Cart: 0Price:$1,762.50Subtotal: -
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Chrome Plastic Outer A/C Knob For Kenworth
UNITED PACIFIC
$6.16Outer A/C Control Knob Fits Kenworth* High Quality Knob* Made Of Chrome Plated Plastic* Sold Individually* Warranty On Knob Against Defects In Workmanship & Material From Date Of Purchase***High...02-1501061- SKU:
- 02-1501061
- Truck Class:
- Heavy Duty
- Material Options:
- Plastic/Poly
- Make:
- Kenworth
- Finish Options:
- Chrome-Plated
- Product Type:
- Interior
- Ready To Ship:
- Yes
- Location:
- Made In USA
$6.16Qty in Cart: 0Price:$6.16Subtotal: -
Minimizer Black Floor Mat 2 Piece For Freightliner M2-106, M2-112, 108SD & 114SD
MINIMIZER
$232.99 - $237.99Keep your truck's interior clean with the Minimizer Black Floor Mat 2-Piece Set. Designed for heavy-duty trucking, these durable floor mats are made from proprietary thermoplastic to withstand the...PPR_206021- SKU:
- PPR_206021
- Truck Class:
- Heavy Duty
- Material Options:
- Rubber
- Make:
- Freightliner
- Product Type:
- Interior
$232.99 - $237.99Qty in Cart: 0Price:$232.99 - $237.99Subtotal: -
On Sale
High Performance Stage 1.5 Turbocharger For Caterpillar 3406B, C, E, C15 & C16 Engines
BULLY DOG
Now: $1,800.00Was: $2,050.00Bully Dog High Performance Stage 1.5 Turbocharger Fits Caterpillar 3406B/C/E/C15/C16Increase horsepower and decrease fuel costs of your class 8 vehicle with this high performance Stage 1.5...29-0704106- SKU:
- 29-0704106
- Truck Class:
- Heavy Duty
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
- Color:
- Black
- Finish Options:
- Black Powder Coat
- Style Options:
- Caterpillar
- Make:
- Universal Items
- Location:
- Made In USA
- Material Options:
- Aluminum
- Type Options:
- Bolt Mount
Now: $1,800.00Was: $2,050.00Qty in Cart: 0Price:Now: $1,800.00Was: $2,050.00Subtotal: -
18 Inch American Eagle Rolled End Bumper W/ 8 Inch Ears Bumper W/ Mounting & Tow/Hitch Holes Stainless Steel For Kenworth W900L 1982-2010
VALLEY CHROME PLATING
$1,820.99Valley Chrome 18 Inch American Eagle Rolled End Bumper W/ 8 Inch Ears Bumper W/ Mounting & Tow/Hitch Holes Stainless Steel* High Quality Bumper* Made Of Stainless Steel* Has Cutouts For: - Mounting...FE001066S- SKU:
- FE001066S
- Truck Class:
- Heavy Duty
- Height Options:
- 18 Inch
- Style Options:
- American Eagle Rolled End
- Make:
- Kenworth
- Material Options:
- Stainless Steel
- Product Type:
- Bumpers
$1,820.99Qty in Cart: 0Price:$1,820.99Subtotal: -
Polished Stainless Steel Low-Profile Bumper Guard For Freightliner B2, M2-106
LUVERNE
$947.99Polished Stainless Steel Low-Profile Bumper Guard W/ Mounting Brackets* High Quality Bumper Guard* Made Of Polished Stainless Steel * Includes Bumper Guard And Mounting Brackets * Sleek Subtle Design...03-013000380- SKU:
- 03-013000380
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Stainless Steel
- Size Options:
- 14 Gauge
- Make:
- Freightliner
- Finish Options:
- Polished
- Product Type:
- Bumpers
$947.99Qty in Cart: 0Price:$947.99Subtotal: -
Black Stainless Steel Low-Profile Bumper Guard For Freightliner B2, M2-106
LUVERNE
$794.99Black Stainless Steel Low-Profile Bumper Guard* High Quality Bumper Guard* Made Of Stainless Steel * Black* Sleek Subtle Design Contours To The Truck Bumper For A Streamlined Fit * Low Profile For...03-013000382- SKU:
- 03-013000382
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Stainless Steel
- Make:
- Freightliner
- Size Options:
- 14 Gauge
- Product Type:
- Bumpers
$794.99Qty in Cart: 0Price:$794.99Subtotal: -
RigMaster Analog Speed Sensor Upgrade Kit For T4-6 Units W/ Kohler Engine
RIGMASTER
$181.99Kohler Analog Kit - KT7-106K* High Quality Analog Kit * Includes: - Mechanical/Analog Speed Sensor - Analog Speed Sensor Connector With Pigtail - Tensioner Bracket - Ring Terminal With Extra...KT7106K- SKU:
- KT7106K
- Truck Class:
- Heavy Duty
- Make:
- Universal Items
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
$181.99Qty in Cart: 0Price:$181.99Subtotal: -
FREE SHIPPING OVER $249
Interior Fresh Air Filter For Peterbilt
CAB FRESH FILTER CO.
$22.07Peterbilt 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
$22.07Qty in Cart: 0Price:$22.07Subtotal: -
Bumper Hardware Kit For Freightliner Century 120
AFTERMARKET
$144.99Freightliner Century 120 Bumper Hardware KitKeep your Freightliner Century 120 bumper properly secured with this premium hardware kit. Including all nuts, bolts, and washers necessary for assembly,...03-01060004- SKU:
- 03-01060004
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Freightliner
- Product Type:
- Bumpers
$144.99Qty in Cart: 0Price:$144.99Subtotal: -
RigMaster Analog Speed Sensor Upgrade Kit For LG200 Units W/ Kohler Engine
RIGMASTER
$131.99Kohler Analog Speed Sensor Upgrade Kit - KL7-106K* High Analog Kit * Includes - Mechanical/Analog Speed Sensor - Analog Speed Sensor Connector With Pigtail - Speed Sensor Bracket - (2)...KL7106K- SKU:
- KL7106K
- Truck Class:
- Heavy Duty
- Make:
- Universal Items
- Product Type:
- Engine Parts
$131.99Qty in Cart: 0Price:$131.99Subtotal: -
Cogged V - Serpentine Belt 42 Inch For Chevrolet S10, GMC Sonoma, Isuzu Hombre, Ram
AFTERMARKET
$16.6542 inch Cogged V - Serpentine Belt* High Quality V-Belt* Effective Length 42.00 Inch* Raw Edge * Cogged* No Ribs* Sold Individually* Warranty On V-Belts Against Defects In Workmanship & Material From...29-07060106- SKU:
- 29-07060106
- Material Options:
- Plastic/Poly
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Make:
- Ford
- Product Type:
- Engine Parts
$16.65Qty in Cart: 0Price:$16.65Subtotal: -
RigMaster Air Top Cabin Heater 12 Volt W/ Smart Temp Controller
RIGMASTER
$1,323.9912 Volt Air Top Cabin Heater 12V with Smartemp Controller Kit - RP14-5010609B* High Quality Cabin Heater * 12 Volt* With Smart Temp Controller Kit * Sold Individually* Warranty On Cabin Heaters...RP145010609B- SKU:
- RP145010609B
- Material Options:
- Plastic/Poly
- Truck Class:
- Universal
- Location:
- Made In USA
- Make:
- Universal Items
- Product Type:
- Interior
$1,323.99Qty in Cart: 0Price:$1,323.99Subtotal: -
RigMaster Analog Speed Sensor Upgrade Kit For Caterpillar, Perkins Engines
RIGMASTER
$128.99Analog Speed Sensor Upgrade Kit - RP7-106KThe Analog Kit includes a Mechanical/Analog Speed Sensor, an Analog Speed Sensor Connector with Pigtail, a Speed Sensor Bracket, two Yellow Zinc Cap Screws,...RP7106K- SKU:
- RP7106K
- Truck Class:
- Heavy Duty
- Make:
- Universal Items
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
$128.99Qty in Cart: 0Price:$128.99Subtotal: