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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
Haul of Fame: The Murder Pete Truck(Post)They call it the Murder Pete. Blacked-out, rugged, and raw, it’s a notorious big rig known for its “murdered out” style. Supported by the custom fab shop work of Chrome Shop Mafia (CMS) and supplied w
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
A Buyer's Guide to Semi Truck Toolbox Storage(Post)If there's one thing that a truck driver needs it's more storage space. Buying the right heavy-duty commercial truck storage boxes is one of the most useful purchases you can make. Here are some of t
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
What are the Best Heavy-Duty Front Bumper Marker Lights?(Post)If you’re looking to start customizing your front bumper with marker lighting, your design options are nearly limitless. If you can dream it, we can build it, then ship it to you or an installation sh
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
Haul of Fame: Outta The Ordinary — The 1985 Peterbilt 359 That Rewrote the Rulebook(Post)The 1985 Peterbilt 359 That Rewrote the Rulebook Brought to you by J&L Contracting Heavy Haul | Owner: Malona & Jamie Williams | Built by Never Satisfied Builds What Makes a Haul of Fame Legend? Not e
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
Top Semi Trucks Owned in Each State (Data for All 50 States) (Post)Here's some visual data on the most commonly owned heavy duty semi truck models based upon three popular truck brands: Peterbilt, Kenworth, and Freightliner. DISCLAIMER: (as of 2025) this data is four
Common Steering Problems on Peterbilt 379 Trucks(Post)Here are some of the most common steering problems found on older Peterbilt 379 models, how to diagnose those issues, and how to prevent them. Related Posts: How to Replace a Peterbilt Steering Shaf
Peterbilt vs Mack: Choosing Between Rugged or Classic Styles(Post)Let’s do a quick breakdown of Mack trucks vs Peterbilt trucks. Key Takeaways Mack offers lower purchase costs and rugged vocational performance, while Peterbilt commands a premium for comfort, resal
How to Find the Right FL70 Parts Using Your VIN(Post)To identify the right Freightliner FL70 parts, you must use your 17-digit VIN and the factory spec decal inside your cab, rather than relying on the exterior model badge. Because FL70 and FL80 Busines
How to Customize Your Semi Truck On a Budget(Post)Let's be honest. Customizing a semi truck with aftermarket parts and accessories isn't cheap, even if you're shopping for special bargain-priced deals. It also depends on how flexible your actual "bud
Are Vendetta Truck Seats Worth It? (Everything You Need to Know)(Post)Professional drivers spend thousands of hours behind the wheel every year. Stock truck seats wear out, lose support, and leave you fatigued after long shifts. Vendetta truck seats offer a premium solu
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
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
How to Install a Peterbilt 379 Bumper Lift Kit Using 5 Steps(Post)If you're looking to install a Peterbilt 379 bumper flip kit for extra ground clearance and maneuverability, here's an expert-led breakdown from 12 Gauge Customs of exactly how to do it. During an in
How to Install Rear Fenders on a Peterbilt 379(Post)The process of installing rear fenders on a semi truck, specifically a Peterbilt 379 model, will depend on the type of fender. Whether it’s a full fender or half fender, the difference comes down to:
Best Peterbilt Chrome Upgrades (Interior & Exterior Cab)(Post)When it comes to upgrading your Peterbilt truck with chrome accessories, the aftermarket options are virtually endless. If you're looking to add a bit more personalization to your rig than the tradit
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2.5 Inch Stainless Steel Cab Panel W/ 6 P3 Amber/Amber Lights W/ 2 Holes For Dual Block Heater Plugs For Peterbilt 567, 579 - Pair
PHOENIX DESIGN
$333.99Cab Panels W/ 12 Amber/Amber Lights Fits Peterbilt 567 & 579 W/ Cab-Mounted ExhaustMaximize both visibility and functionality on your Peterbilt 567 or 579 with this pair of 2.5 Inch Stainless Steel...01-091200104- SKU:
- 01-091200104
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Light Options:
- With Lights
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Finish Options:
- Polished
- Length Options:
- 42 Inch
- Product Type:
- Exterior
$333.99Qty in Cart: 0Price:$333.99Subtotal: -
4 ID X 12 Inch Chrome Straight Top Stack by BESTfit
BESTFIT TRUCK PARTS
$69.99BESTfit 4 Inch ID X 12 Inch Straight Top Stack* High Quality Stack* Chrome-Plated Steel* Dimensions - 4 Inch Diameter - 12 Inch Length* I.D. Inlet Curved Stack* Made in The USA* Sold Individually*...09-084012104- SKU:
- 09-084012104
- Truck Class:
- Universal
- Diameter Options:
- 4 Inch
- Length Options:
- 12 Inch
- Material Options:
- Steel
- Make:
- Universal Items
- Finish Options:
- Chrome-Plated
- Style Options:
- Curve Turn
- Product Type:
- Exhaust
$69.99Qty in Cart: 0Price:$69.99Subtotal: -
Jones Performance Fiberglass Hood Shell W/ 39 Inch Centerline & Fenders For Freightliner M2 Business Class, M2- 106 Replaces A17-21139-104, A17-21151-060
JONES PERFORMANCE
$1,744.50Fiberglass Hood Shell W/ 39 Inch Centerline & Fenders By Jones Performance Replaces A17-21139-104, A17-21151-060 Fits Freightliner M2 Business Class, M2- 106* High Quality Hood* Extended Breather*...03-12500014- SKU:
- 03-12500014
- Product Type:
- Hood Shell
- Location:
- Made In USA
- Color:
- White
- Material Options:
- Fiberglass
- Make:
- Freightliner
$1,744.50Qty in Cart: 0Price:$1,744.50Subtotal: -
Stainless Steel Diesel Particulate Filter Replaces 20869859, 20992181 For Mack, Volvo W/ MP7 Engine
GLOBAL EMISSIONS
$2,020.99Stainless Steel Diesel Particulate Filter Fits Mack & Volvo W/ MP7 Engine* High Quality Diesel Particulate Filter* Made Of Stainless Steel * OEM Quality Clamps And Gaskets Included* Sold Individually...29-080600018- SKU:
- 29-080600018
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Mack
- Make:
- Volvo
- Product Type:
- Exhaust
$2,020.99Qty in Cart: 0Price:$2,020.99Subtotal: -
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: -
3 Inch Stainless Steel Extended Cab Panels W/ 8 P1 Amber/Amber LEDs For Peterbilt 337
PHOENIX DESIGN
$350.993 Inch Extended Cab Panels W/ 8 P1 Amber LED Amber Lens Lights Fits Peterbilt 337* High Quality Cab Panels* Made Of 304 Stainless Steel* Extended* 4 P1 Lights Per Side* Amber LED/Amber Lens* 12 Inch...01-091201044- SKU:
- 01-091201044
- Light Options:
- With Lights
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Finish Options:
- Polished
- Length Options:
- 48 Inch
- Product Type:
- Exterior
- Ready To Ship:
- Yes
$350.99Qty in Cart: 0Price:$350.99Subtotal: -
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: -
Minimizer LED Light Kit W/ 4 - 4 Inch Red LED & 2 - 4 Inch White LED Lights For 1354 Series Fenders
MINIMIZER
$290.99Light Kit W/ 4 - 4 Inch Red LED & 2 - 4 Inch White LED LightsThe Minimizer LED Light Kit is specifically designed for the 1354 style fenders, featuring a high-quality assembly that includes four...09-11040441- SKU:
- 09-11040441
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Rear Fenders
- Style Options:
- Grommet Mount
$290.99Qty in Cart: 0Price:$290.99Subtotal: -
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
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: -
53.50 Inch Cross Tube - 2 In OD, 1-1/4 In-12 Ends Replaces A3102Z3874
AFTERMARKET
$261.9953.50 Inch C To C Cross Tube Replaces A3102Z3874* High Quality Cross Tube* 2.00 Inch OD * 53.50 Inch Length * With 1-1/4 Inch -12 Ends* Made In USA* Sold Individually* Warranty On Cross Tubes Against...29-05090104- SKU:
- 29-05090104
- Length Options:
- 53 Inch
- Material Options:
- Steel
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$261.99Qty in Cart: 0Price:$261.99Subtotal: -
BESTfit Bumper Support Center W/ Small Opening For Freightliner Cascadia
BESTFIT TRUCK PARTS
$230.99BESTfit Bumper Support Center W/ Small Opening, Replaces 21-28443-004This high quality bumper support center that fits Freightliner Cascadia 113 and 125 models has a small square opening. The center...03-010429- SKU:
- 03-010429
- Truck Class:
- Heavy Duty
- Make:
- Freightliner
- Product Type:
- Bumpers
$230.99Qty in Cart: 0Price:$230.99Subtotal: -
Smoked Acrylic Mustache Bug Shield W/ Stainless Steel Trim For Kenworth
PHOENIX DESIGN
$138.99Smoked Acrylic Mustache Bug Shield W/ Trim Fits Kenworth* High Quality Bug Shield* Made Of Smoke Colored Acrylic* Blank* With 304 Stainless Steel Trim * Sold Individually* Warranty On Bug Shield...02-122104- SKU:
- 02-122104
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Stainless Steel
- Make:
- Kenworth
- Color:
- Smoked
- Product Type:
- Hood Parts & Acc.
$138.99Qty in Cart: 0Price:$138.99Subtotal: -
On SaleLimited Quantity Available
BESTfit Charge Air Cooler 38 X 28.812 X 2.812 Inch Replaces 1030175, 25078658 For Mack CX613 & CXN613 Vision
BESTFIT TRUCK PARTS
Now: $242.00Was: $590.99Charge Air Cooler W/ 3.75 Inch Inlet & Outlet By BESTfit Replaces 1030175, 25078658* High Quality Charge Air Cooler* Inches Core Size - 38.000 Height - 28.812 Width - 2.812 Core Thickness - 3.750...11-070104- SKU:
- 11-070104
- Truck Class:
- Heavy Duty
- Make:
- Mack
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
Now: $242.00Was: $590.99Qty in Cart: 0Price:Now: $242.00Was: $590.99Subtotal: -
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: -
Black Class 5 Hitch W/ 2 Inch Receiver For Ford F-450 And F-550
BUYERS PRODUCTS
$678.99Carbon Steel Class 5 Hitch W/ 2 Inch Receiver W/ 20000 Lb Trailer Weight And 2000 Lb Vertical Load* High Quality Hitch* Carbon Steel* Black Powder-Coated Finish* With 2 Inch Receiver * Easy Bolt-On...05-051100104- SKU:
- 05-051100104
- Truck Class:
- Light Duty
- Rating:
- 20000 LBS
- Material Options:
- Steel
- Make:
- Ford
- Product Type:
- Frame & Chassis
$678.99Qty in Cart: 0Price:$678.99Subtotal: -
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: -
Black Single Axle Fender W/ Wide Trim & Light Box- Passenger Side
WTI FENDERS
$709.99Passenger Side Black Single Axle Fender W/ Wide Trim & Light BoxDesigned for long-lasting protection and custom appeal, the Black Single Axle Fender with wide trim and integrated light box delivers...09-11040142- SKU:
- 09-11040142
- Location:
- Made In USA
- Width Options:
- 26 Inch
- Length Options:
- 52 Inch
- Material Options:
- Fiberglass
- Product Type:
- Rear Fenders
- Position:
- Passenger Side
- Color:
- Black
- Make:
- Universal Items
- Type Options:
- Full Radius Fender
- Height Options:
- 30 1/2 Inch
$709.99Qty in Cart: 0Price:$709.99Subtotal: -
Amber Round 2 Inch LED Light W/ Clear Lens
TRUX ACCESSORIES
$12.49Amber Round 2 Inch LED Light W/ Snap On BezelAdd reliable lighting and a clean appearance to your truck with theAmber Round 2 Inch LED Light with Clear Lens. Designed for heavy duty applications,...09-1601010433- SKU:
- 09-1601010433
- Product Type:
- Lighting
- Truck Class:
- Heavy Duty
- Make:
- Universal Items
- Ready To Ship:
- Yes
$12.49Qty in Cart: 0Price:$12.49Subtotal: -
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: