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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
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
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
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
Fuel Tank Measurements To Take Before You Replace Your Tank (Post)If you’re thinking about upgrading your semi truck’s fuel tank for a larger gallon-size and more fuel storage capacity - or you’re just replacing an OEM diesel fuel tank with an aftermarket brand, the
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
Factory Peterbilt 379 Exhaust Mufflers vs Straight Pipes(Post)When it comes to Peterbilt 379 factory-style exhaust muffler setups versus performance straight pipe exhaust (no muffler), the choice comes down to style preference. Here's what you'll learn: The pro
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
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
Fiberglass Fenders vs Aluminum & Poly Fenders: Which Material Wins?(Post)A stylish semi truck fender is among the best way to personalize your rig, whether you have a Peterbilt 379 rear fender or a Kenworth T660 fender. But when it comes to choosing the right material, it
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
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20 Inch Chrome Mitered End Roadrunner Bumper W/ Step & Tow Holes For Kenworth W900B/L
VALLEY CHROME PLATING
$849.99Valley Chrome 20 Inch Mitered End Roadrunner Bumper W/ Step & Tow Holes Fits Kenworth W900B/LGive your Kenworth W900B or W900L a bold front-end upgrade with the Valley Chrome 20 Inch Mitered End...FE0210114- SKU:
- FE0210114
- Product Type:
- Bumpers
- Height Options:
- 20 Inch
$849.99Qty in Cart: 0Price:$849.99Subtotal: -
Air Spring Rolling Lobe 1010-21P486, 64419, 8749 For Neway / Holland
AFTERMARKET
$249.99Replacement Air Spring Rolling Lobe* High Quality Air Spring* Rolling Lobe Type* Bumper: Yes* 6270 Lb Load At 80 PSI* 7840 Lb Load At 100 PSI* 58 CPM Natural Frequency* Top Plate: - 10.20 Inch...19-05180101- SKU:
- 19-05180101
- Product Type:
- Trailer
- Truck Class:
- Heavy Duty
- Make:
- Trailer
- Style Options:
- Rolling Lobe
$249.99Qty in Cart: 0Price:$249.99Subtotal: -
BESTfit 13 Inch Chrome Bumper W/ Tow & Step Holes For Hino 238, 258, 268 & 338 Replaces 52101E0243
BESTFIT TRUCK PARTS
$679.9913 Inch Chrome Bumper W/ Tow & Step Holes By BESTfit Replaces 52101E0243 Fits Hino 238, 258, 268 & 338* High Quality Bumper* Made Of Chrome-Plated Steel* 13 Inch Height* Has Cutouts For: - Mounting...15-010103- SKU:
- 15-010103
- Height Options:
- 13 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Hino
- Finish Options:
- Chrome-Plated
- Ready To Ship:
- Yes
- Location:
- Made In USA
- Product Type:
- Bumpers
$679.99Qty in Cart: 0Price:$679.99Subtotal: -
Dash Light Dimmer Switch, 10-Amp -Replaces Q21-1006, 32119-101S For Kenworth
AUTOMANN USA
$126.99Kenworth Dimmer Dash Light Console Switch Replaces OE Q21-1006, 32119-101SReplace your worn-out dash dimmer with this reliable Kenworth 10-amp dimmer switch, compatible with Q21-1006 and 32119-101S...02-16190605- SKU:
- 02-16190605
- Material Options:
- Aluminum
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Product Type:
- Lighting
$126.99Qty in Cart: 0Price:$126.99Subtotal: -
On SaleFREE SHIPPING OVER $249Limited Quantity Available
Chrome AC Heater Filter Door For Peterbilt
UNITED PACIFIC
Now: $21.74Was: $31.06Air Filter Door Fits Peterbilt* High Quality Filter Door* Made Of Chrome Plated Plastic* Sold Individually* Warranty On Filter Door Against Defects In Workmanship & Material From Date Of...01-1503015- SKU:
- 01-1503015
- Truck Class:
- Heavy Duty
- Material Options:
- Plastic/Poly
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Product Type:
- Interior
- Ready To Ship:
- Yes
Now: $21.74Was: $31.06Qty in Cart: 0Price:Now: $21.74Was: $31.06Subtotal: -
Torque Arm Cabin 27.2 Inch Tube Replaces TRB7529 For Peterbilt Sleeper W/ 27.25 Inch C To C Length
AUTOMANN USA
$107.99Torque Arm Cabin 27.2 Inch Tube Fits Peterbilt Sleeper W/ 27.25 Inch C To C Length Replaces TRB7529Protect your Peterbilt sleeper's suspension with the Torque Arm Tube - 27.2 Inch, designed for...01-101405- SKU:
- 01-101405
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Product Type:
- Exterior
- Ready To Ship:
- Yes
- Material Options:
- Steel
$107.99Qty in Cart: 0Price:$107.99Subtotal: -
FREE SHIPPING OVER $249
BESTfit Air Leaf Housing Bolt Hole C To C 1.9 Inch For Peterbilt Replaces CS71459, 30654
BESTFIT TRUCK PARTS
$36.74Air Leaf Housing Bolt Hole C To C 1.9 Inch By BESTfit Replaces CS71459, 30654 Fits PeterbiltThe BESTfit Peterbilt Air Leaf Housing is engineered to provide unmatched durability and precise fit for...01-051017- SKU:
- 01-051017
- Truck Class:
- Heavy Duty
- Product Type:
- Frame & Chassis
- Make:
- Peterbilt
- Ready To Ship:
- Yes
$36.74Qty in Cart: 0Price:$36.74Subtotal: -
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: -
TPHD Paintable Fiberglass Hood Shell W/ 45 Inch Centerline For Peterbilt 335, 337, 340 & 348 Replaces L29-6027-101
TPHD
$1,899.99Fiberglass Hood Shell W/ 45 Inch Centerline By TPHD Replaces L29-6027-201, L29-6027-211, L29-6141-101 Fits Peterbilt 335, 377, 340 & 348Replace or upgrade your Peterbilt hood with the TPHD Fiberglass...01-12500013- SKU:
- 01-12500013
- Finish Options:
- Paintable
- Material Options:
- Fiberglass
- Product Type:
- Hood Shell
- Make:
- Peterbilt
- Length Options:
- 45 Inch
- Ready To Ship:
- Yes
$1,899.99Qty in Cart: 0Price:$1,899.99Subtotal: -
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: -
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
BESTfit Rear Spring Bushing Mount 4.25 X 1.75 Inch C To C W/ 10 Bolt Holes For Peterbilt Low Air Leaf Suspension Replaces CS70789, 03-05117
BESTFIT TRUCK PARTS
$62.99Rear Spring Bushing Mount 4.25 X 1.75 Inch C To C W/ 10 Bolt Holes By BESTfit Replaces CS70789, 03-05117 Fits Peterbilt Low Air Leaf SuspensionDo you need a low air leaf spring bushing mount for your...01-051018- SKU:
- 01-051018
- Truck Class:
- Heavy Duty
- Product Type:
- Frame & Chassis
- Material Options:
- Plastic/Poly
- Make:
- Peterbilt
- Ready To Ship:
- Yes
$62.99Qty in Cart: 0Price:$62.99Subtotal: -
Full Size Turbo Wing For Standard Flat Top Sleepers For Peterbilt, Kenworth & International
VALLEY CHROME PLATING
$1,376.99900 Series Stainless Steel Flat Top Sleeper Turbo Wing"The Original Turbowing" is not only a smart investment for enhancing your truck's appearance but also for improving fuel efficiency. Owner...29-101600- SKU:
- 29-101600
- Truck Class:
- Heavy Duty
- Make:
- International
- Make:
- Kenworth
- Make:
- Peterbilt
- Product Type:
- Exterior
$1,376.99Qty in Cart: 0Price:$1,376.99Subtotal: -
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
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: -
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: -
682-C Headlight W/ 34 LED Position Dual Function Light, Top Mount
UNITED PACIFIC
$319.99Upgrade your truck with this 682-C style stainless steel headlight featuring a crystal-clear LED headlight and a 34-LED amber position light. Constructed with a 304 stainless steel housing and bezel,...PPR_204587- SKU:
- PPR_204587
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Shape Options:
- Round
- Make:
- Kenworth
- Make:
- International
- Make:
- Sterling
- Make:
- GMC
- Make:
- Peterbilt
- Make:
- Freightliner
- Make:
- Mack
- Product Type:
- Lighting
$319.99Qty in Cart: 0Price:$319.99Subtotal: -
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: -
FREE SHIPPING OVER $249
Peterbilt, Kenworth, Freightliner 2-1/4 Inch Type K Thermocouple Sender Probe 0-1800 F By Isspro
ISSPRO
$64.99Pyro Sender With Type K Thermocouple & 1/4 Inch NPTF MountingWe offer top of the line pyrometer senders with 2.25 inch probes for your big rig. This sender comes with a warranty against defects in...29-071015- SKU:
- 29-071015
- Truck Class:
- Heavy Duty
- Make:
- Universal Items
- Ready To Ship:
- Yes
- Product Type:
- Interior
$64.99Qty in Cart: 0Price:$64.99Subtotal: -
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: