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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
Black Plastic Cab Fresh Filter For Freightliner Cascadia, Century, Columbia & Coronado
CAB FRESH FILTER CO.
$51.99Cab Fresh Filter Fits FreightlinerReplace your original filter with this cab fresh filter with a charcoal spor-ax antimicrobial layer. This charcoal layer has adsorption properties that help capture...03-091305- SKU:
- 03-091305
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Material Options:
- Plastic/Poly
- Make:
- Freightliner
- Color:
- Black
- Product Type:
- Exterior
$51.99Qty in Cart: 0Price:$51.99Subtotal: -
FREE SHIPPING OVER $249
BESTfit 5 Inch OD Chrome 58 Degree Economy Exhaust Elbow Replaces 14-13056C For Peterbilt 379
BESTFIT TRUCK PARTS
$112.995 Inch OD Chrome 58 Degree Economy Exhaust Elbow By BESTfit Fits Peterbilt 379Outfit your Peterbilt 379 with the BESTfit 5-Inch OD Chrome 58-Degree Economy Exhaust Elbow. Crafted from chrome-plated...01-08130561- SKU:
- 01-08130561
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Degree Options:
- 58
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Style Options:
- Elbow
- Product Type:
- Exhaust
- Length Options:
- 18 1/4 Inch
- Ready To Ship:
- Yes
$112.99Qty in Cart: 0Price:$112.99Subtotal: -
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LC Chrome Steel Exhaust Elbow W/ 58 Degree Bend For Peterbilt 378 & 379 Bottom Of Motor
BESTFIT TRUCK PARTS
$189.99Chrome Steel Exhaust Elbow W/ 5 Inch OD/OD By Lincoln Chrome Fits Peterbilt 378 & 379 Bottom Of MotorThis is a durable, high-quality chrome steel exhaust connector with a stunning triple...01-0813056- SKU:
- 01-0813056
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Style Options:
- Elbow
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Length Options:
- 15 Inch
- Product Type:
- Exhaust
- Ready To Ship:
- Yes
- Degree Options:
- 58
- Location:
- Made In USA
$189.99Qty in Cart: 0Price:$189.99Subtotal: -
BESTfit Stainless Steel Deluxe Grille Guard W/ 15 Degree Bend For Kenworth T800/Curved Glass
BESTFIT TRUCK PARTS
$1,132.99Deluxe Stainless Steel Grille GuardThe BESTfit Deluxe SS Grille Guard Kit brings durable front-end protection and striking style to Kenworth T800 trucks. Built from 14-gauge stainless steel,...02-01305K- SKU:
- 02-01305K
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Kenworth
- Product Type:
- Bumpers
$1,132.99Qty in Cart: 0Price:$1,132.99Subtotal: -
Turnpike Truck Trim Chrome-Plated Steel Rear Cab Vent Cover For Kenworth T680, T880 & W990
TURNPIKE TRUCK TRIM
$104.99Rear Cab Vent Cover Fits Kenworth T680 & T880* High Quality Chrome-Plated Cab Vent* Fits Day Cab* Sold As Pair* Warranty On Cab Vent Against Defects In Workmanship & Material From Date Of Purchase***...02-091305- SKU:
- 02-091305
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Kenworth
- Product Type:
- Exterior
- Ready To Ship:
- Yes
$104.99Qty in Cart: 0Price:$104.99Subtotal: -
2.125 Inch Marbled Black/Orange Brake Knob- Threaded
TWISTED SHIFTERZ
$61.99Twisted Shifterz 2.125 Inch Marbled Black & Orange Brake Knob With Polished Billet Collar* High Quality Brake Knob* 2-1/8 Inch Diameter* Color: Black And Orange Marbled Effect* Smooth Surface *...09-15130510- SKU:
- 09-15130510
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Interior
$61.99Qty in Cart: 0Price:$61.99Subtotal: -
On SaleLimited Quantity Available
2.125 Inch Neon Yellow Brake Knob- Threaded
TWISTED SHIFTERZ
Now: $33.12Was: $44.87Twisted Shifterz 2.125 Inch Neon Yellow Brake Knob With Polished Billet Collar* High Quality Brake Knob* 2-1/8 Inch Diameter* Color: Solid Neon Yellow* Smooth Surface * Round* Sold Individually *...09-15130523- SKU:
- 09-15130523
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Interior
- Ready To Ship:
- Yes
Now: $33.12Was: $44.87Qty in Cart: 0Price:Now: $33.12Was: $44.87Subtotal: -
2.125 Inch Pearl Amber Brake Knob For Threaded Dash Air Brake Valve
TWISTED SHIFTERZ
$53.99Twisted Shifterz 2.125 Inch Pearl Amber Brake Knob With Polished Billet Collar* High Quality Brake Knob* 2-1/8 Inch Diameter* Color: Amber With Pearl Shimmer Effect* Smooth Surface * Round* Sold...09-15130524- SKU:
- 09-15130524
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Interior
$53.99Qty in Cart: 0Price:$53.99Subtotal: -
2.125 Inch Pearl Red Brake Knob For Threaded Dash Air Brake Valve
TWISTED SHIFTERZ
$53.99Twisted Shifterz 2.125 Inch Pearl Red Brake Knob With Polished Billet Collar* High Quality Brake Knob* 2-1/8 Inch Diameter* Color: Red With Pearl Shimmer Effect* Smooth Surface * Round* Sold...09-15130536- SKU:
- 09-15130536
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Interior
$53.99Qty in Cart: 0Price:$53.99Subtotal: -
2.125 Inch Metallic Candy Red Brake Knob For Threaded Dash Air Brake Valve
TWISTED SHIFTERZ
$53.99Twisted Shifterz 2.125 Inch Metallic Candy Red Brake Knob With Polished Billet Collar* High Quality Brake Knob* 2-1/8 Inch Diameter* Color: Metallic Candy Red* Smooth Surface * Round* Sold...09-15130503- SKU:
- 09-15130503
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Interior
$53.99Qty in Cart: 0Price:$53.99Subtotal: -
2.125 Inch Marbled Black/Brown Brake Knob For Threaded Dash Air Brake Valve
TWISTED SHIFTERZ
$61.99Twisted Shifterz 2.125 Inch Marbled Black & Brown Brake Knob With Polished Billet Collar* High Quality Brake Knob* 2-1/8 Inch Diameter* Color: Black And Brown Marbled Effect* Smooth Surface * Round*...09-15130509- SKU:
- 09-15130509
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Interior
$61.99Qty in Cart: 0Price:$61.99Subtotal: -
2.125 Inch Marbled Black/Red Brake Knob For Threaded Dash Air Brake Valve
TWISTED SHIFTERZ
$61.99Twisted Shifterz 2.125 Inch Marbled Black & Red Brake Knob With Polished Billet Collar* High Quality Brake Knob* 2-1/8 Inch Diameter* Color: Black And Red Marbled Effect* Smooth Surface * Round* Sold...09-15130512- SKU:
- 09-15130512
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Interior
$61.99Qty in Cart: 0Price:$61.99Subtotal: -
2.125 Inch Neon Pink Brake Knob For Threaded Dash Air Brake Valve
TWISTED SHIFTERZ
$45.77Twisted Shifterz 2.125 Inch Neon Pink Brake Knob With Polished Billet Collar* High Quality Brake Knob* 2-1/8 Inch Diameter* Color: Solid Neon Pink* Smooth Surface * Round* Sold Individually *...09-15130522- SKU:
- 09-15130522
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Interior
$45.77Qty in Cart: 0Price:$45.77Subtotal: -
2.125 Inch Pearl Black Brake Knob For Threaded Dash Air Brake Valve
TWISTED SHIFTERZ
$53.99Twisted Shifterz 2.125 Inch Pearl Black Brake Knob With Polished Billet Collar* High Quality Brake Knob* 2-1/8 Inch Diameter* Color: Black With Pearl Shimmer Effect* Smooth Surface * Round* Sold...09-15130525- SKU:
- 09-15130525
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Interior
$53.99Qty in Cart: 0Price:$53.99Subtotal: -
2.125 Inch Neon Pearl Yellow Brake Knob For Threaded Dash Air Brake Valve
TWISTED SHIFTERZ
$53.99ShifTopperz 2.125 Inch Neon Pearl Yellow Brake Knob With Polished Billet Collar* High Quality Brake Knob* Neon Yellow Pearl* 2.125 Inch Diameter* 5/8 Inch x 11 Thread* With Polished Billet Collar*...09-15130533- SKU:
- 09-15130533
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Interior
$53.99Qty in Cart: 0Price:$53.99Subtotal: -
2.125 Inch Transparent Amber Brake Knob For Threaded Dash Air Brake Valve
TWISTED SHIFTERZ
$53.99Twisted Shifterz 2.125 Inch Transparent Amber Brake Knob With Polished Billet Collar* High Quality Brake Knob* 2-1/8 Inch Diameter* Color: Transparent Amber* Smooth Surface * Round* Sold Individually...09-15130585- SKU:
- 09-15130585
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Interior
$53.99Qty in Cart: 0Price:$53.99Subtotal: -
12 X 9 Inch Stainless Steel Forward Bowtie Drop Visor For Peterbilt 359 Flat Top
TWELVE GAUGE
$509.9912 X 9 Inch Stainless Steel Forward Bowtie Drop Visor Fits Peterbilt 359 Flat TopIf you want to shield your windshield from sun and the rain, 4 State Trucks offers this quality Forward Bowtie Drop...01-09013053- SKU:
- 01-09013053
- Height Options:
- 12 Inch
- Make:
- Peterbilt
- Truck Class:
- Heavy Duty
- Style Options:
- Bow Tie
- Material Options:
- Stainless Steel
- Light Options:
- Without Lights
- Type Options:
- Standard Mount
- Product Type:
- Exterior
- Ready To Ship:
- Yes
$509.99Qty in Cart: 0Price:$509.99Subtotal: -
2.125 Inch Metallic Green Brake Knob For Threaded Dash Air Brake Valve
TWISTED SHIFTERZ
$53.99Twisted Shifterz 2.125 Inch Metallic Green Brake Knob With Polished Billet Collar* High Quality Brake Knob* 2-1/8 Inch Diameter* Color: Metallic Candy Green* Smooth Surface * Round* Sold Individually...09-15130504- SKU:
- 09-15130504
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Interior
$53.99Qty in Cart: 0Price:$53.99Subtotal: -
FREE SHIPPING OVER $249
Custom Chrome Skull Head Gearshift Knob For 13, 15, 18 & Super 10 Speed Eaton Fuller Transmission
UNITED PACIFIC
$67.99Custom Skull Head Gearshift Knob* High Quality Skull Head Gearshift Knob* Chrome Plated* CNC Machined Grip* Must Use Valve Body From Old Knob* Gear Shift Knob Cover Sold Separately* Sold...09-1513051- SKU:
- 09-1513051
- Truck Class:
- Universal
- Material Options:
- Aluminum
- Make:
- Universal Items
- Finish Options:
- Chrome-Plated
- Product Type:
- Interior
$67.99Qty in Cart: 0Price:$67.99Subtotal: -
2.125 Inch Marbled White/Blue Brake Knob- Threaded
TWISTED SHIFTERZ
$53.99Twisted Shifterz 2.125 Inch Marbled White & Blue Brake Knob With Polished Billet Collar* High Quality Brake Knob* 2-1/8 Inch Diameter* Color: White And Blue Marbled Effect* Smooth Surface * Round*...09-15130517- SKU:
- 09-15130517
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Interior
$53.99Qty in Cart: 0Price:$53.99Subtotal: