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Haul of Fame: Equipment Express's "Doc Holliday” A 2007 Peterbilt Legacy 379 Built to Legend(Post)
Why "Doc Holliday" Earns a Spot in the Haul of Fame Every now and then, a truck rolls through that stops you dead in your tracks. "Doc Holliday," the custom 2007 Peterbilt Legacy 379 built by Equipmen
Best Semi Truck Accessories to Control Summer Heat in the Cab(Post)Keeping your Class 8 semi truck cab space cool and comfortable involves more than just blasting the A/C 24/7. In this post, we'll cover the best semi truck accessories help keep your cab cool and comf
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
Semi Truck Exhaust Manifold Buyer's Guide(Post)This guide covers everything you need to know about aftermarket semi truck manifolds, alongside useful information about the various manifold brands we sell. After reading, you'll be able to accuratel
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
Semi Truck Battery Replacement: How to Change & Maintain Semi Truck Batteries(Post)When it comes to your semi truck’s power system, batteries are the lifeline for nearly any application, from your lighting to your sleeper loads (interior appliances). In this brief guide, we’ll cover
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
Semi Truck Grille Guide: Punch vs Louvered vs Python Grilles(Post)Your semi truck grille plays a critical role in protecting, cooling, and regulating the under-the-hood temperature of your big rig. It’s not just functionally necessary, it’s something that can radica
Most Common Replacement Parts for Freightliner FL70(Post)Freightliner FL70/FL80 Business Class trucks see a lot of wear and tear while running job sites. The parts that risk quick replacement are those that see the most pressure and stress, like the suspens
The Best Exterior & Interior Tractor Trailer Accessories to Level Up Your Truck(Post)One of the best ways to start improving you rig's safety, comfort, and performance is by adding some aftermarket tractor trailer accessories, whether it's a set of pintle hooks for stronger towing or
Factory vs Custom W990 Visors (The Glaring Differences)(Post)What are some of the biggest differences between a factory OE visor and custom truck visor for the W990 model? When choosing a W990 visor, you're stuck between the choice of a standard OEM factory-sty
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
What Should Be in a Semi Truck Emergency Kit? (Free PDF Checklist for Drivers)(Post)Semi-truck breakdowns cost money and time; but they aren't inevitable. With the right emergency accessories, truck drivers can minimize costly delays, tackle minor repairs on the fly, and safely power
Top 10 Semi Truck Winter Accessories for Heavy-Duty Drivers(Post)Winter truck driving can be downright trecherous to haul payloads in, especially when you don't have the right winter-ready trucker gear to get you through difficult drives in below-freezing temperatu
9 Costly Exhaust Installation Mistakes Truck Owners Should Avoid(Post)Replacing exhaust stacks on a Peterbilt 379 is a bit easier than some other truck models, the installation process can still be time-consuming and tedious. If you're an owner-operator installing new
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
The Best Heavy Duty Shocks for Semi Trucks(Post)Aside from your truck's engine, heavy-duty shocks are among the most critical parts that affect ride quality, suspension performance, and the amount of wear on tires. Here’s a quick rundown of the bes
Essential Kenworth W900A Restoration Parts (100% Bottom-Up Rebuild)(Post)When restoring a classic Kenworth W900A from the 1960s or 1970s, the ultimate goal is honoring that legendary vintage aesthetic while ditching tired, road-worn, decades-old mechanical components. Semi
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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102 Inch Fiberglass Double Hump Fender Kit For Western Star
WTI FENDERS
$2,879.99The 102?Inch Fiberglass Double Hump Fender For International is a rear fender kit made from quality fiberglass with a durable black gel-coat finish, designed to provide extended wheel coverage and...PPR_202036- SKU:
- PPR_202036
- Location:
- Made In USA
- Make:
- Western Star
- Truck Class:
- Heavy Duty
- Color:
- Black
- Material Options:
- Fiberglass
- Type Options:
- Double Hump
- Product Type:
- Rear Fenders
$2,879.99Qty in Cart: 0Price:$2,879.99Subtotal: -
Merritt Center Door Replacement
MERRITT
$389.99Diamond Plate Center Door Replacement W/ T Latch* High Quality Center Door Replacement* Diamond Plate * Has T Latch* Sold Individually* Warranty On Center Door Replacement Against Defects In...10200- SKU:
- 10200
- Truck Class:
- Heavy Duty
- Position:
- Center
- Make:
- Universal Items
- Material Options:
- Aluminum
- Finish Options:
- Diamond Plate
- Product Type:
- Cargo Control
$389.99Qty in Cart: 0Price:$389.99Subtotal: -
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: -
Sway Bar Kit For 52 Inch Axle Spacing Replaces C65-1000 & C65-1013 For Kenworth AG-200 & Ag-400 8 Bag Suspension
AFTERMARKET
$1,566.99Sway Bar Kit For 52 Inch Axle Spacing Fits Kenworth AG-200 & Ag-400 8 Bag Suspension* High Quality Sway Bar* Sway Bar* 52 Inch Axle Spacing* Contains - 1 Sway Bar - 2 Stabilizer Bushings* Sold...02-051026- SKU:
- 02-051026
- Truck Class:
- Heavy Duty
- Length Options:
- 52 Inch
- Make:
- Kenworth
- Product Type:
- Frame & Chassis
$1,566.99Qty in Cart: 0Price:$1,566.99Subtotal: -
FREE SHIPPING OVER $249
Premium Poly Bushing, Replaces 16005092 For Rear Air Suspensions by BESTfit
BESTFIT TRUCK PARTS
$67.99BESTfit Premium Poly Rotational Bushing And Pin* High Quality Bushing Silent Block* Poly * Fully Rotational* Spring Bushing And Pin* Replaces Factory Style Silent Block And Pin* Dimensions: - 3.55...29-051020- SKU:
- 29-051020
- Diameter Options:
- 2 Inch
- Truck Class:
- Heavy Duty
- Length Options:
- 5 Inch
- Material Options:
- Plastic/Poly
- Make:
- Kenworth
- Make:
- Peterbilt
- Product Type:
- Frame & Chassis
- Ready To Ship:
- Yes
$67.99Qty in Cart: 0Price:$67.99Subtotal: -
Stainless Steel 9 Inch Bumper W/ Tow Holes For Ford Aeromax, L9000, LS9000, LA9000, LTS900, LTA9000
VALLEY CHROME PLATING
$769.99Aeromax SBA Bumper W/ Openings For Tow* High Quality Bumper* Made Of Stainless Steel* 9 Inch* Has Cutouts For: - Tow Holes* Sold Individually* Warranty On Bumper Against Defects In Workmanship &...BF001029- SKU:
- BF001029
- Truck Class:
- Heavy Duty
- Make:
- Ford
- Material Options:
- Stainless Steel
- Product Type:
- Bumpers
$769.99Qty in Cart: 0Price:$769.99Subtotal: -
52 Inch Sway Bar Conversion Kit Replaces C65-1013 & C13-1007 For Kenworth AG-200 & AG-400 8 Bag Suspension
AUTOMANN USA
$5,206.99Sway Bar Conversion Kit Fits Kenworth AG-200 & AG-400 8 Bag Suspension* High Quality Sway Bar Kit* Converts Your AG200 To The Newer Style AG400 Bar* For Trucks With 52 Inch Axle Spacing * Tandem...02-051029- SKU:
- 02-051029
- Length Options:
- 52 Inch
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Product Type:
- Frame & Chassis
$5,206.99Qty in Cart: 0Price:$5,206.99Subtotal: -
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: -
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
Premium Poly Torque Rod Bushing Replaces 44697000 For Rear Air Suspensions
AUTOMANN USA
$93.99Premium Poly Torque Rod Bushing Taper Stud MountKeep your truck's rear suspension performing optimally with the Premium Poly Torque Rod Bushing. Its high-quality poly construction, 8-inch overall...29-051021- SKU:
- 29-051021
- Diameter Options:
- 2 Inch
- Truck Class:
- Heavy Duty
- Length Options:
- 8 Inch
- Style Options:
- Thread On
- Material Options:
- Plastic/Poly
- Make:
- Kenworth
- Product Type:
- Frame & Chassis
$93.99Qty in Cart: 0Price:$93.99Subtotal: -
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
BESTfit 3.75 Inch x 7 Ft Fuel Cotton Polyester Tank Strap Webbing For Peterbilt Replaces 11-02331-000-7
BESTFIT TRUCK PARTS
$50.993.75 Inch x 7 Ft Fuel Cotton Polyester Tank Strap Webbing by BESTfit Replaces 11-02331-000-7 Fits PeterbiltGet the perfect fit for your Peterbilt fuel tank with this strap liner. It's specifically...01-0601020- SKU:
- 01-0601020
- Product Type:
- Fuel Tanks
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Ready To Ship:
- Yes
- Length Options:
- 84 Inch
- Material Options:
- Cotton Polyester
- Width Options:
- 3 3/4 Inch
- Diameter Options:
- 26 Inch
$50.99Qty in Cart: 0Price:$50.99Subtotal: -
FREE SHIPPING OVER $249
BESTfit Bolt Center Frame Bracket Mounting Kit K272-187 For Kenworth AG-200 & AG-400 8 Bag Suspension
BESTFIT TRUCK PARTS
$142.99BESTfit Center Frame Bracket Mounting Kit Fits Kenworth AG-200 & AG-400 8 Bag SuspensionSecure your Kenworth AG-200 or AG-400 8-bag suspension with this high-quality BESTfit Bolt Center Frame Bracket...02-051028- SKU:
- 02-051028
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Product Type:
- Frame & Chassis
$142.99Qty in Cart: 0Price:$142.99Subtotal: -
Seats Inc Heavy Duty Shock Absorber 102362PS
SEATS INC
$88.99Heavy Duty Shock For All Standard Base Legacy & Heritage Seats* High Quality Shock * For All Standard Base Legacy And Heritage Seats* Sold Individually* Warranty On Shock Against Defects In...102362PS- SKU:
- 102362PS
- Truck Class:
- Heavy Duty
- Color:
- Black
- Make:
- Universal Items
- Type Options:
- Standard Base
- Product Type:
- Seats
$88.99Qty in Cart: 0Price:$88.99Subtotal: -
Air Spring Rolling Lobe With 2 Bottom Studs For Hendrickson HA Series Air Ride Suspension
NETWORK SALES
$277.99Hendrickson Replacement Air Bag Rolling Lobe W/ 2 Bottom StudsRestore your Hendrickson HA Series Air Ride Suspension with this durable Rolling Lobe Air Spring. Built with a plastic base and two...29-051026- SKU:
- 29-051026
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Rubber
- Make:
- Ford
- Product Type:
- Frame & Chassis
$277.99Qty in Cart: 0Price:$277.99Subtotal: -
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: -
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
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: -
102 Inch Fiberglass Double Hump Fender For International
WTI FENDERS
$2,879.99Fiberglass Double Hump FenderUpgrade your trucks style with the WTI Double Hump Full Fender - the illusion of two, but it is actually just one! This clever design adds a drop-down and roll-around...07-1104040K1- SKU:
- 07-1104040K1
- Make:
- International
- Color:
- Black
- Truck Class:
- Heavy Duty
- Width Options:
- 26 Inch
- Location:
- Made In USA
- Material Options:
- Fiberglass
- Type Options:
- Double Hump
- Product Type:
- Rear Fenders
$2,879.99Qty in Cart: 0Price:$2,879.99Subtotal: -
On Sale
Merritt Powder Coated Smooth Aluminum Extra Deep Crossbody Box W/ Double Door- 19 X 20 X 70 Inch For Full Size Trucks
MERRITT
Now: $2,984.04Was: $3,225.9919 X 20 X 70 Inch Powder Coated Smooth Extra Deep Crossbody Box By Merritt Fits Chevrolet, Dodge, Ford, GMC, Nissan, Toyota TrucksOrganize your tools with the Merritt Powder Coated Smooth Aluminum...710210222- SKU:
- 710210222
- Truck Class:
- Heavy Duty
- Height Options:
- 19 Inch
- Width Options:
- 20 Inch
- Length Options:
- 70 Inch
- Material Options:
- Aluminum
- Make:
- Universal Items
- Product Type:
- Toolboxes
Now: $2,984.04Was: $3,225.99Qty in Cart: 0Price:Now: $2,984.04Was: $3,225.99Subtotal: