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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
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
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 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
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
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
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.
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
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
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
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
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
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
T880 Visor Ultimate Buyer's Guide(Post)There are countless Kenworth T880 visor options to choose from depending on the theme and style you’re going for. Here's a quick buyer's guide for Kenworth T880 aftermarket visors. Before you buy, con
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
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 Choose the Right W990 Drop Visor(Post)The best Kenworth W990 drop visor depends on your design preference, mounting configuration, and windshield type or cab style (curved or flat). Buying a Custom W990 Truck Visor Online? If you're brow
7 Best Exterior Chrome Upgrades for the Kenworth W900A(Post)Outfit your Kenworth W900A model with stunning exterior chrome accessories and stainless-steel upgrades that seamlessly tie together the entire truck’s theme. Classic big rig owners take a lot of prid
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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: -
3 Inch Stainless Steel Cab Panels W/ 8 - 2 Inch Light Holes For Peterbilt 386 W/ Cab-Mount Exhaust
PHOENIX DESIGN
$151.993 Inch Stainless Steel Cab Panels W/ 8 - 2 Inch Round Light Holes Fits Peterbilt 386 W/ Cab-Mount Exhaust* High Quality Cab Panels* Made Of 304 Stainless Steel* 4 - 2 Inch Round Light Holes Per Side*...01-091200930- SKU:
- 01-091200930
- Light Options:
- Without Lights
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Finish Options:
- Polished
- Length Options:
- 40 Inch
- Product Type:
- Exterior
$151.99Qty in Cart: 0Price:$151.99Subtotal: -
Grille Guard Mounting Brackets For Freightliner & Mercedes-Benz Sprinter Vans 2014-2017
LUVERNE
$231.99Brackets For Freightliner And Mercedes-Benz Sprinter Vans 2014-2017 (RT-205930)These grille guard brackets feature USA-made steel construction for maximum strength, and they are shielded in a...RT-205930- SKU:
- RT-205930
- Product Type:
- Bumpers
- Material Options:
- Steel
- Color:
- Black
- Location:
- Made In USA
- Make:
- Freightliner
- Make:
- Other - Pickup Truck
$231.99Qty in Cart: 0Price:$231.99Subtotal: -
Kenworth W900L Day Cab Conversion W/ Full Interior, Rear Window, 6 Inch Extension
DAYCAB COMPANY
$2,651.99Day Cab Conversion W/ Full Interior, Rear Window & 6 Inch Extension For Non Aerocab Models 2007-Older* High Quality Daycab Conversion* With 6 Inch Extension* Includes Full Interior Dome And Rear...02-093005- SKU:
- 02-093005
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Fiberglass
- Make:
- Kenworth
- Product Type:
- Exterior
$2,651.99Qty in Cart: 0Price:$2,651.99Subtotal: -
Aluminum Ultra Cab Day Cab Conversion Kit W/ Window For Peterbilt 378 & 379
DAYCAB COMPANY
$2,357.99Ultra Cab Day Cab Conversion Kit W/ Window Fits Peterbilt 378 & 379Enhance your Peterbilt Ultra Cab with this Aluminum Day Cab Conversion Kit, designed for 378 and 379 models to deliver a durable...01-0930023- SKU:
- 01-0930023
- Position:
- Kit Full
- Product Type:
- Exterior
- Cab Style:
- Ultra Cab
- Truck Class:
- Heavy Duty
- Material Options:
- Aluminum
- Make:
- Peterbilt
$2,357.99Qty in Cart: 0Price:$2,357.99Subtotal: -
4 Inch Fiberglass High Roof Day Cab Conversion Kit W/ Window For Peterbilt 567 & 579
DAYCAB COMPANY
$3,030.994 Inch High Roof Day Cab Conversion Kit W/ Window Fits Peterbilt 567 & 579Give your Peterbilt a sleek upgrade with this 4 Inch Fiberglass High Roof Day Cab Conversion Kit with Window for 567 and 579...01-0930041- SKU:
- 01-0930041
- Position:
- Kit Full
- Material Options:
- Fiberglass
- Product Type:
- Exterior
- Cab Style:
- Day Cab
- Make:
- Peterbilt
$3,030.99Qty in Cart: 0Price:$3,030.99Subtotal: -
Fibertech Day Cab Flat Panel Complete Conversion Kit W/ Black Interior For Peterbilt
FIBERTECH
$2,456.99Peterbilt Day Cab Flat Panel W/ Aluminum Bracing, Window Trim, Rear Window Glass, & HardwareThe Day Cab Flat Panel Complete Conversion Kit with Black Interior adds an impressive 4 inches of extra leg...01-093007- SKU:
- 01-093007
- Truck Class:
- Heavy Duty
- Material Options:
- Fiberglass
- Make:
- Peterbilt
- Product Type:
- Exterior
$2,456.99Qty in Cart: 0Price:$2,456.99Subtotal: -
Fiberglass Ultra Cab XL Standard Day Cab Conversion Kit W/ 6 Inch Extended Cab For Peterbilt
DAYCAB COMPANY
$2,509.99Ultra Cab XL Standard Day Cab Conversion Kit W/ 6 Inch Extended Cab Fits PeterbiltAdd strength, style, and functionality to your Peterbilt with this Fiberglass Ultra Cab XL Standard Day Cab...01-0930017- SKU:
- 01-0930017
- Cab Style:
- Ultra Cab
- Product Type:
- Exterior
- Truck Class:
- Heavy Duty
- Position:
- Kit Full
- Material Options:
- Fiberglass
- Make:
- Peterbilt
$2,509.99Qty in Cart: 0Price:$2,509.99Subtotal: -
Fiberglass Unibilt XL Standard Day Cab Conversion Kit W/ 6 Inch Extended Cab & Window For Peterbilt
DAYCAB COMPANY
$2,766.99Unibilt XL Standard Day Cab Conversion Kit W/ 6 Inch Extended Cab & Window Fits PeterbiltUpgrade your Peterbilt with this Fiberglass Unibilt XL Standard Day Cab Conversion Kit with a 6 Inch Extended...01-0930042- SKU:
- 01-0930042
- Material Options:
- Fiberglass
- Position:
- Kit Full
- Product Type:
- Exterior
- Cab Style:
- Unibilt
- Style Options:
- Flat Top
- Make:
- Peterbilt
$2,766.99Qty in Cart: 0Price:$2,766.99Subtotal: -
Fibertech 6 Inch Extended Day Cab Deluxe Conversion Kit W/ 19 X 36 Inch Rear Window For Peterbilt Ultracab
FIBERTECH
$2,688.993-Piece Deluxe Day Cab Extension W/ Aluminum Bracing, Factory Rear Window Glass & Mounting HardwareThis aftermarket 6-inch fiberglass cab extension adds 4 inches of extra legroom, giving you more...01-0930010- SKU:
- 01-0930010
- Truck Class:
- Heavy Duty
- Material Options:
- Fiberglass
- Make:
- Peterbilt
- Finish Options:
- Paintable
- Product Type:
- Exterior
- Ready To Ship:
- Yes
$2,688.99Qty in Cart: 0Price:$2,688.99Subtotal: -
Fiberglass Day Cab Conversion Kit W/ 4 Inch Extended Back & 19 X 36 Inch Window For Peterbilt 567, 579 Ultra Cab
DAYCAB COMPANY
$3,030.99Peterbilt 567 & 579 Ultracab Day Cab Conversion Kit W/ 4 Inch Extended Back & 19 X 36 Inch WindowStep into a cleaner day cab configuration with this Fiberglass Conversion Kit made specifically for...01-093000013- SKU:
- 01-093000013
- Position:
- Kit Full
- Material Options:
- Fiberglass
- Product Type:
- Exterior
- Cab Style:
- Ultra Cab
- Make:
- Peterbilt
$3,030.99Qty in Cart: 0Price:$3,030.99Subtotal: -
Sanguine Full Upholstery Kit For Peterbilt 379 W/ 63 Inch Flat Top Sleeper
DAYCAB COMPANY
$8,142.99Peterbilt 379 Full Upholstery Kit- SanguineMake a powerful interior statement with this Sanguine Full Upholstery Kit for the Peterbilt 379 63-inch Flat Top Sleeper. Crafted from premium vinyl, it...01-093000025- SKU:
- 01-093000025
- Color:
- Red
- Material Options:
- Vinyl
- Product Type:
- Interior
- Make:
- Peterbilt
$8,142.99Qty in Cart: 0Price:$8,142.99Subtotal: -
FREE SHIPPING OVER $249
Cab Fresh HVAC Pre-Filter W/ Black Housing For Peterbilt & Kenworth
CAB FRESH FILTER CO.
$50.99Air Filter HVAC Pre-FilterHelp protect your cab's HVAC system with this complete pre-filter assembly featuring a durable housing and replaceable filter element. Designed to capture dust, debris, and...29-091300- SKU:
- 29-091300
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Make:
- Peterbilt
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
$50.99Qty in Cart: 0Price:$50.99Subtotal: -
Stainless Steel Diesel Particulate Filter Replaces 2603961C91 For International W/ MaxxForce 13 Engine
GLOBAL EMISSIONS
$2,267.99Stainless Steel Diesel Particulate Filter Fits International W/ MaxxForce 13 Engine - Replaces 2603961C91* High Quality Diesel Particulate Filter* Made Of Stainless Steel * OEM Quality Clamps And...07-080600009- SKU:
- 07-080600009
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- International
- Product Type:
- Exhaust
$2,267.99Qty in Cart: 0Price:$2,267.99Subtotal: -
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: -
FREE SHIPPING OVER $249
Pre-Filter For Air Cleaner For Kenworth & Peterbilt
CAB FRESH FILTER CO.
$33.71Pre-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
$33.71Qty in Cart: 0Price:$33.71Subtotal: -
FREE SHIPPING OVER $249
Cab Fresh Filter Only For Freightliner Cascadia, Century, Columbia & Coronado
CAB FRESH FILTER CO.
$17.91Cab Fresh Filter Only Fits FreightlinerFind your Cab Fresh Replacement Filter at 4 State Trucks. The highly effective filter is made with a primary layer and charcoal layer that traps and eliminates...03-091306- SKU:
- 03-091306
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Material Options:
- Cloth
- Make:
- Freightliner
- Product Type:
- Exterior
$17.91Qty in Cart: 0Price:$17.91Subtotal: -
Fibertech Day Cab Extended Complete Conversion Kit - Black Interior For Peterbilt 378, 379, 386, 388, 389
FIBERTECH
$3,439.996 Inch Cab Extension With Window Trim, Rear Window Glass, Padded Interior Panel, & HardwareThe Fibertech 6-inch fiberglass cab extension for Peterbilt 378, 379, 386, 388, 389, and 389 Glider Ultracab...01-093009- SKU:
- 01-093009
- Material Options:
- Fiberglass
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Product Type:
- Exterior
$3,439.99Qty in Cart: 0Price:$3,439.99Subtotal: -
Fibertech Day Cab Extended Basic Conversion Kit For Peterbilt 378, 379, 386, 388, 389 Ultracab
FIBERTECH
$2,122.99Peterbilt Day Cab Extended Basic Conversion KitThis Day Cab Extended Basic Conversion Kit is for Peterbilt trucks and adds 4 inches of legroom with a 6-inch fiberglass extension. It has a strong...01-0930030- SKU:
- 01-0930030
- Material Options:
- Fiberglass
- Product Type:
- Exterior
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Ready To Ship:
- Yes
$2,122.99Qty in Cart: 0Price:$2,122.99Subtotal: -
Fibertech Day Cab Flat Panel Complete Conversion Kit With Dark Gray Interior For Peterbilt 378, 379, 386, 388, 389 Ultracab
FIBERTECH
$2,185.99Peterbilt Ultra Cab Flat Panel Day Cab Kit Complete Conversion Kit* High Quality Flat Panel Conversion Kit* Includes: - One Piece Fiberglass Panel - Bonded 1 Inch x 2 Inch Aluminum Bracing -...01-0930027- SKU:
- 01-0930027
- Truck Class:
- Heavy Duty
- Material Options:
- Fiberglass
- Product Type:
- Exterior
- Make:
- Peterbilt
- Ready To Ship:
- Yes
$2,185.99Qty in Cart: 0Price:$2,185.99Subtotal: