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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
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
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35 X 79 X 6.5 Inch Convoluted Gel Foam Truck Mattress For International & Volvo
OPP - ORIGINAL PARTS PROGRAM
$216.9935 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
$216.99Qty in Cart: 0Price:$216.99Subtotal: -
Actuator Dump Pump- Metering
AFTERMARKET
$289.99Actuator Dump Pump Replaces C-3805-DM, C3805DM* High Quality Actuator Dump Pump* Metering* Hardware Included* Sold Individually* Warranty On Actuator Dump Pumps Against Defects In Workmanship &...09-02500154- SKU:
- 09-02500154
- Product Type:
- Cargo Control
- Make:
- Universal Items
$289.99Qty in Cart: 0Price:$289.99Subtotal: -
35 X 79 X 7.5 Inch Gray Camouflage Bed Sheet Set For Mack & Volvo
JAKES CAB SOLUTIONS
$46.27Camouflage Bed Sheet Set Fits Mack & Volvo* High Quality Bed Sheet Set* 35 X 79 X 7.5 Inch * 4 Pieces Include: - 2? Pillow Cases - 1 Fitted Sheet With 2 Pockets On Each Side For Easy Storage*...29-1546021- SKU:
- 29-1546021
- Length Options:
- 35 Inch
- Color:
- Camo
- Width Options:
- 79 Inch
- Truck Class:
- Heavy Duty
- Height Options:
- 7 Inch
- Make:
- Mack
- Make:
- Volvo
- Product Type:
- Interior
$46.27Qty in Cart: 0Price:$46.27Subtotal: -
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: -
32 X 79 Inch Mattress W/ 7 Inch Base Height & 1 Inch C-Gell Height
DESIGNS INTERNATIONAL
$302.99Mattress 32 X 79 Inch W/ 7 Inch Base Height & 1 Inch C-Gell Height* High Quality Mattress* Includes: - 7 Inch Base Height - 1 Inch C-Gell Height* Dimensions: - 32 Inch Length Of The Truck - 79...29-1545007- SKU:
- 29-1545007
- Product Type:
- Interior
- Height Options:
- 8 Inch
- Width Options:
- 79 Inch
- Length Options:
- 32 Inch
- Make:
- Universal Items
$302.99Qty in Cart: 0Price:$302.99Subtotal: -
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
Interior Fresh Air Filter Assembly For Peterbilt
CAB FRESH FILTER CO.
$46.91Peterbilt Fresh Air Filter AssemblyFind aftermarket interior filters with assembly from CAB Fresh at 4 State Trucks. This filter features internal antimicrobials that stops mold growth, reduces odor...01-1503025- SKU:
- 01-1503025
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Material Options:
- Cloth
- Make:
- Peterbilt
- Product Type:
- Interior
- Ready To Ship:
- Yes
$46.91Qty in Cart: 0Price:$46.91Subtotal: -
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: -
FREE SHIPPING OVER $249
Air Filter Assembly For HVAC For Peterbilt & Kenworth
CAB FRESH FILTER CO.
$38.75Air Filter Assembly Fits Peterbilt & KenworthAt 4 State Trucks we offer aftermarket CAB Fresh air filter assemblies for Peterbilt 567 and 579 models, and Kenworth T680 and T880 models. The air filter...29-1503002- SKU:
- 29-1503002
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Cloth
- Make:
- Peterbilt
- Make:
- Kenworth
- Product Type:
- Interior
- Ready To Ship:
- Yes
$38.75Qty in Cart: 0Price:$38.75Subtotal: -
FREE SHIPPING OVER $249
Interior Cab Fresh Air Filter Replacement For Peterbilt 377, 378, 379 & 385
CAB FRESH FILTER CO.
$43.85Peterbilt Interior Cab Fresh Air FilterThis air filter fits under the dashboard on the passenger side. Simply slide the filter into the existing track next to the passenger door. It replaces the...01-1503017- SKU:
- 01-1503017
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Material Options:
- Cloth
- Make:
- Peterbilt
- Product Type:
- Interior
- Ready To Ship:
- Yes
$43.85Qty in Cart: 0Price:$43.85Subtotal: -
FREE SHIPPING OVER $249
Air Filter Assembly For HVAC No Housing For Peterbilt & Kenworth
CAB FRESH FILTER CO.
$14.27Air Filter Assembly Fits Peterbilt & KenworthWe offer aftermarket CAB Fresh air filter assemblies for Peterbilt 567 and 579 models, and Kenworth T680 and T880 models. The air filter is only for HVAC...29-1503003- SKU:
- 29-1503003
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Material Options:
- Cloth
- Make:
- Kenworth
- Make:
- Peterbilt
- Product Type:
- Interior
- Ready To Ship:
- Yes
$14.27Qty in Cart: 0Price:$14.27Subtotal: -
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
Cab Fresh Replacement HVAC Pre-Filter For Peterbilt & Kenworth
CAB FRESH FILTER CO.
$14.27Air Filter HVAC Pre-FilterKeep your HVAC system running clean and efficient with this replacement pre-filter designed to fit inside the existing housing assembly. It helps capture dust, debris, and...29-091301- SKU:
- 29-091301
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Make:
- Kenworth
- Ready To Ship:
- Yes
- Product Type:
- Interior
$14.27Qty in Cart: 0Price:$14.27Subtotal: -
Stainless Steel Wrapped Cab Panels W/ 16 P3 Amber/Clear LEDs For Peterbilt 378, 379, 388, 389
PHOENIX DESIGN
$508.99Stainless Steel Wrapped Cab Panels W/ 16 P3 Amber LED Clear Lens Lights Fit Peterbilt 378, 379, 388 & 389* High Quality Cab Panel* Made Of 304 Stainless Steel* 8 P3 Lights Per Side* Amber LED/Clear...01-091201154- SKU:
- 01-091201154
- Light Options:
- With Lights
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Finish Options:
- Paintable
- Length Options:
- 58 Inch
- Product Type:
- Exterior
$508.99Qty in Cart: 0Price:$508.99Subtotal: -
2.09 X 7.15 Inch Stainless Steel Radio Face Plate For Peterbilt 359
PHOENIX DESIGN
$35.692.09 X 7.15 Inch Stainless Steel Radio Face Plate Fits Peterbilt 359* High Quality Radio Face Plate* Made Of 304 Stainless Steel * Inside Measurements: - 2.09 Inch X 7.15 Inch * Sold Individually *...01-150100154- SKU:
- 01-150100154
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Make:
- Peterbilt
- Product Type:
- Electronics
- Ready To Ship:
- Yes
$35.69Qty in Cart: 0Price:$35.69Subtotal: -
5 Drawer Storage Solution 14 X 38 X 18.5 Inch For Peterbilt
IOWA CUSTOMS
$1,167.99Stainless Steel 5 Drawer Storage Solution Fits Peterbilt* High Quality 5 Drawer Storage Solution* Made Of Stainless Steel* Heavy Duty* Full Extend Ball Bearing Drawer Slides With Stay Close...01-1540015- SKU:
- 01-1540015
- Length Options:
- 14 Inch
- Height Options:
- 38 Inch
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Product Type:
- Interior
$1,167.99Qty in Cart: 0Price:$1,167.99Subtotal: -
Refrigerator Mounting Trim Kit For 2008 Through 2015 Peterbilt 389 Flat Top W/ 63 Inch Sleepers
IOWA CUSTOMS
$5.09Refrigerator Mounting Trim Kit* High Quality Refrigerator Mounting Trim Kit* For Refrigerator Mounting* Made In USA* Sold Individually* Warranty On Refrigerator Mounting Trim Kits Against Defects In...01-1540028- SKU:
- 01-1540028
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Product Type:
- Interior
- Ready To Ship:
- Yes
$5.09Qty in Cart: 0Price:$5.09Subtotal: -
Flange Kit For CX50 Iowa Customs Refrigerator For Peterbilt 389 Sleepers 2008 -2012
IOWA CUSTOMS
$62.99Peterbilt 389 Refrigerator Flange Kit For CR-50Fill in the gaps around your CX50 Iowa Customs Refrigerator with this flange kit. Designed specifically for Peterbilt 389 trucks from 2008 through 2012,...01-1540033- SKU:
- 01-1540033
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Product Type:
- Interior
- Finish Options:
- Polished
- Color:
- Black
$62.99Qty in Cart: 0Price:$62.99Subtotal: -
Stainless Steel 3 Drawer Solution Fridge & Trim Kit For Peterbilt 379 Driver Side 1987-2007
IOWA CUSTOMS
$2,739.99Stainless Steel 3 Drawer Solution Fridge & Trim Kit* High Quality Fridge And Trim Kit* Driver Side* For 63 Inch Sleeper* Sold Individually* Warranty On Fridge And Trim Kit Against Defects In...01-1540039- SKU:
- 01-1540039
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Material Options:
- Stainless Steel
- Product Type:
- Interior
$2,739.99Qty in Cart: 0Price:$2,739.99Subtotal: