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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
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
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
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
Haul of Fame: Chad Smith’s Custom 2019 Peterbilt(Post)Some trucks are built to work. Some are built to show. Then there are trucks like Chad Smith’s 2019 Peterbilt—built to work, built to stand out and built with a story behind every detail. STS Transit
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
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
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
CB Radios Ultimate Guide(Post)“10-4 Roger.” Despite the rise of messaging apps, GPS devices with voice-activated messaging, and push-to-talk (PTT) apps, the classic CB radio remains among the most trusted and well-used accessorie
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
8 Signs Your Peterbilt 379 Steering Shaft Needs Replacement(Post)Steering issues on a Class 8 heavy-duty truck are a critical safety concern, and recognizing the bad steering shaft symptoms Peterbilt 379 trucks exhibit is vital for every owner-operator. If you noti
How to Prep Your Truck for a Truck Show(Post)Getting a working semi-truck ready for a show is a massive undertaking that goes far beyond a standard weekend wash. A winning presentation separates immediate show preparation from long-term customiz
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FREE SHIPPING OVER $249
16-14 Gauge Blue Heat Ring Terminal For Size 10 - 15 Pack
AFTERMARKET
$22.05Pack Of 15 Nylon Heat Shrinkable Ring Terminal* High Quality Ring Terminal* Made Of Nylon* 16-14 Gauge* Stud Or Tab Size: 10* Protects Splices From Water, Corrosion, Salt And Moisture, Strain Relief*...09-161302044- SKU:
- 09-161302044
- Color:
- Blue
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Air, Electrical, & Safety
$22.05Qty in Cart: 0Price:$22.05Subtotal: -
57.70 to 61 Inch Cross Tube Assembly Replaces Mt22-1188
AFTERMARKET
$2,016.9957.70-61 Inch Adjustable Cross Tube Assembly Replaces MT22-1188* High Quality Cross Tube Assembly* Includes - Cross Tube - Driver Side Rod End - Passenger Side Rod End* 54 Inch E To E* 57.70-61 Inch...29-05090161- SKU:
- 29-05090161
- Material Options:
- Steel
- Truck Class:
- Heavy Duty
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$2,016.99Qty in Cart: 0Price:$2,016.99Subtotal: -
BESTfit On-Off Air Toggle Switch - 1/4 Inch Quick Connect
BESTFIT TRUCK PARTS
$63.99On-Off Air Toggle SwitchKeep your pneumatic systems under control with this durable On-Off Air Toggle Switch, built for reliable performance in heavy-duty trucks. Its 1.875-inch center-to-center...09-16190624- SKU:
- 09-16190624
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Lighting
- Ready To Ship:
- Yes
$63.99Qty in Cart: 0Price:$63.99Subtotal: -
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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: -
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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
$38.75Qty in Cart: 0Price:$38.75Subtotal: -
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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: -
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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: -
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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: -
Chrome-Plated Aluminum Bumper Frame Light W/ 10 Diode Amber/Amber & Red/Red LED Lights
IOWA CUSTOMS
$370.99Chrome Bumper/Frame Light Mounts Anywhere W/ A Flange* High Quality Chrome-Plated Aluminum Bumper Frame* Bumper-Frame Light R-C With Housing* Mounts Anywhere With A Flange* No Drilling Required *...09-1611090- SKU:
- 09-1611090
- Truck Class:
- Universal
- Make:
- Universal Items
- Material Options:
- Billet Aluminum
- Finish Options:
- Chrome-Plated
- Product Type:
- Lighting
$370.99Qty in Cart: 0Price:$370.99Subtotal: -
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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: -
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Mini Fuse Kit, Includes 5, 10, 15, 20, 25, 30 AMP Fuses - 6 PCS
AFTERMARKET
$3.75Mini Fuse Kit W/ 5, 10, 15, 20, 25, 30 AMP FusesGet your circuits protected with this mini fuse kit! It includes six fast-acting blade fuses for your vehicle, with amp ratings from 5 to 30. These...09-16190005- SKU:
- 09-16190005
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Air, Electrical, & Safety
$3.75Qty in Cart: 0Price:$3.75Subtotal: -
FREE SHIPPING OVER $249
ATC / ATO HD Fuse Holder, 1-30A, 12AWG GXL Leads, Waterproof
AFTERMARKET
$14.461-30 AMP Water Proof In-Line Fuse Holder W/ Protective Cap & 12 AWG WiresKeep your circuit safe with this heavy-duty, waterproof in-line fuse holder for 1-30 AMP ATC/ATO fuses. It's perfect for both...09-16190020- SKU:
- 09-16190020
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Air, Electrical, & Safety
$14.46Qty in Cart: 0Price:$14.46Subtotal: -
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Maxi Fuse Kit With 20, 30, 40, 50, 60, 80 AMP Fuses
AFTERMARKET
$16.06Maxi Fuse Kit W/ 20, 30, 40, 50, 60, 80 AMP Fusesdo not try to over sell do not start with introducing be conversational but professional no fancy wordsGet your hands on the JTT Products Maxi Fuse...09-16190014- SKU:
- 09-16190014
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Air, Electrical, & Safety
- Ready To Ship:
- Yes
$16.06Qty in Cart: 0Price:$16.06Subtotal: -
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: -
FREE SHIPPING OVER $249
CAT Fuel Filter FF5319 3406 C-E
OPP - ORIGINAL PARTS PROGRAM
$21.42FF5319 CAT Fuel Filter 3406 C-EThis Fleetguard Spin-On Fuel Filter actively filters and improves fuel efficiency for your vehicle. It removes contaminants, enhances engine performance, and reduces...FF5319FLG- SKU:
- FF5319FLG
- Truck Class:
- Heavy Duty
- Material Options:
- Plastic/Poly
- Make:
- Freightliner
- Make:
- International
- Make:
- Other - Semi-Truck
- Make:
- Kenworth
- Make:
- Peterbilt
- Make:
- Mack
- Make:
- Volvo
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
$21.42Qty in Cart: 0Price:$21.42Subtotal: -
Smoke Acrylic Ventalators For Peterbilt 567, 579 2013-2017
BELMOR
$124.99Smoke Finish VentVisors Fits Peterbilt 567 & 579Are you looking for highly effective side window deflectors? 4 State Trucks offers this set of 2 Belmor VentVisors that will help you enjoy a safer and...01-0914161- SKU:
- 01-0914161
- Color:
- Gray
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Plastic/Poly
- Make:
- Peterbilt
- Product Type:
- Exterior
$124.99Qty in Cart: 0Price:$124.99Subtotal: -
FREE SHIPPING OVER $249
Turnpike Truck Trim Rear Load Light Bracket For Peterbilt 359, 375, 377, 378, 379, 386, 388, 389
TURNPIKE TRUCK TRIM
$59.99Peterbilt Load Light Bracket For Back Of Cab or SleeperMount load lights on the back of your truck's cab or sleeper to brighten up late-night loading and unloading with this quality light bracket...01-161008- SKU:
- 01-161008
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Product Type:
- Lighting
- Ready To Ship:
- Yes
$59.99Qty in Cart: 0Price:$59.99Subtotal: -
FREE SHIPPING OVER $249
Headlight & Marker Switch Replaces 16-06657 For Peterbilt 300, 357, 359, 377, 378, 379, 385 & 387
AUTOMANN USA
$27.16Headlight & Marker Switch Toggle W/ 4 Spade Connections Fits Peterbilt 300, 357, 359, 377, 378, 379, 385 & 387 Replaces 16-06657When your lighting controls start to fade, this dependable Headlight &...01-16190600- SKU:
- 01-16190600
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Product Type:
- Lighting
- Ready To Ship:
- Yes
$27.16Qty in Cart: 0Price:$27.16Subtotal: -
CSM 7 Inch Round Headlight Adapter Plate For Freightliner Coronado
CHROME SHOP MAFIA
$237.99Headlight Adapter Plate 7 Inch By Chrome Shop Mafia Fits Freightliner CoronadoImprove your Freightliner Coronado's lighting setup with the CSM 7 Inch Round Headlight Adapter Plate from Chrome Shop...03-1610001- SKU:
- 03-1610001
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Diameter Options:
- 7 Inch
- Shape Options:
- Round
- Make:
- Freightliner
- Product Type:
- Lighting
- Ready To Ship:
- Yes
$237.99Qty in Cart: 0Price:$237.99Subtotal: