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    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

    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 Choose the Best Fridge for Your Semi Truck(Post)

    Every OTR truck driver needs reliable cooling for food and beverages on long haul drives. That's where semi truck refrigerators come in handy. When it comes to buying this must-have accessory, what's

    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

    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

    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

    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

    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

    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

    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

    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

    What Are the Best Floor Mats for My Semi Truck Model?(Post)

    Semi truck floor mats aren’t just a protective element against food or drink spills or stains brought in by mud and snow; they can add some style to your commercial vehicle.  Why Floor Mats Matter in

    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

    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

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  • Fibertech Day Cab Extended Basic Conversion Kit For Peterbilt 378, 379, 386, 388, 389 Ultracab

    Fibertech Day Cab Extended Basic Conversion Kit For Peterbilt 378, 379, 386, 388, 389 Ultracab

    FIBERTECH

    $2,122.99
    Peterbilt Day Cab Extended Basic Conversion KitThis Day Cab Extended Basic Conversion Kit is for Peterbilt trucks and adds 4 inches of legroom with a 6-inch fiberglass extension. It has a strong...
    01-0930030
    SKU:
    01-0930030
    Material Options:
    Fiberglass
    Product Type:
    Exterior
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $2,122.99
    Qty in Cart: 0
    Price:
    $2,122.99
    Subtotal:
  • Fibertech Day Cab Flat Panel Complete Conversion Kit With Dark Gray Interior For Peterbilt 378, 379, 386, 388, 389 Ultracab

    Fibertech Day Cab Flat Panel Complete Conversion Kit With Dark Gray Interior For Peterbilt 378, 379, 386, 388, 389 Ultracab

    FIBERTECH

    $2,185.99
    Peterbilt Ultra Cab Flat Panel Day Cab Kit Complete Conversion Kit* High Quality Flat Panel Conversion Kit* Includes:  - One Piece Fiberglass Panel  - Bonded 1 Inch x 2 Inch Aluminum Bracing   -...
    01-0930027
    SKU:
    01-0930027
    Truck Class:
    Heavy Duty
    Material Options:
    Fiberglass
    Product Type:
    Exterior
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $2,185.99
    Qty in Cart: 0
    Price:
    $2,185.99
    Subtotal:
  • Day Cab Flat Panel Complete Conversion Kit With Tan Interior For Peterbilt 378, 379, 386, 388, 389 Regular Cab

    Day Cab Flat Panel Complete Conversion Kit With Tan Interior For Peterbilt 378, 379, 386, 388, 389 Regular Cab

    FIBERTECH

    $2,455.99
    Day Cab Flat Panel Complete Conversion Kit* High Quality Flat Panel Conversion Kit* Includes:  - One-piece Fiberglass Panel  - Bonded 1 Inch x 2 Inch Aluminum Bracing  - Fiberglass Interior Window...
    01-0930036
    SKU:
    01-0930036
    Product Type:
    Exterior
    Truck Class:
    Heavy Duty
    Material Options:
    Fiberglass
    Make:
    Peterbilt
    $2,455.99
    Qty in Cart: 0
    Price:
    $2,455.99
    Subtotal:
  • Extended Day Cab Basic Interior Seal Kit For Kenworth T600, T800, W900B, W900L

    Extended Day Cab Basic Interior Seal Kit For Kenworth T600, T800, W900B, W900L

    FIBERTECH

    $514.07
    Basic Kit Factory Replacement Interior Seal Kit* High Quality Interior Seal Kit* Includes:  - OE Seal  - (2) Cab And Sleeper Trim* 3 Piece* Sold As Kit* Warranty On Interior Seal Kits Against Defects...
    02-093003
    SKU:
    02-093003
    Product Type:
    Exterior
    Material Options:
    Fiberglass
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Ready To Ship:
    Yes
    $514.07
    Qty in Cart: 0
    Price:
    $514.07
    Subtotal:
  • Day Cab Flat Panel Complete Conversion Kit With Dark Gray Interior For Peterbilt 378, 379, 386, 388, 389 Regular Cab

    Day Cab Flat Panel Complete Conversion Kit With Dark Gray Interior For Peterbilt 378, 379, 386, 388, 389 Regular Cab

    FIBERTECH

    $2,456.99
    Peterbilt Ultra Cab Flat Panel Day Cab Kit Complete Conversion Kit* High Quality Flat Panel Conversion Kit* Includes:  - One-piece Fiberglass Panel  - Bonded 1 Inch x 2 Inch Aluminum Bracing  -...
    01-0930035
    SKU:
    01-0930035
    Truck Class:
    Heavy Duty
    Material Options:
    Fiberglass
    Product Type:
    Exterior
    Make:
    Peterbilt
    $2,456.99
    Qty in Cart: 0
    Price:
    $2,456.99
    Subtotal:
  • Fibertech Day Cab Flat Panel Conversion Kit - Panel Only For Peterbilt 378, 379, 386, 388, 389, & 389 Glider

    Fibertech Day Cab Flat Panel Conversion Kit - Panel Only For Peterbilt 378, 379, 386, 388, 389, & 389 Glider

    FIBERTECH

    $1,336.99
    Peterbilt Flat Panel Day Cab Conversion Kit* High Quality Flat Panel Conversion Kit* Includes:  - One-piece Fiberglass Panel  - Mounting Hardware  - 3-Piece 6 Inch Fiberglass Cab Extension  - Bonded...
    01-0930034K1
    SKU:
    01-0930034K1
    Product Type:
    Exterior
    Material Options:
    Fiberglass
    Make:
    Peterbilt
    $1,336.99
    Qty in Cart: 0
    Price:
    $1,336.99
    Subtotal:
  • 6 Inch Fiberglass Extended Day Cab Conversion Kit For Peterbilt 365

    6 Inch Fiberglass Extended Day Cab Conversion Kit For Peterbilt 365

    DAYCAB COMPANY

    $2,509.99
    Fiberglass Extended Day Cab Conversion Kit 6 Inch Fits Peterbilt 365Upgrade your Peterbilt 365 day cab with the 6 Inch Fiberglass Extended Conversion Kit, designed to combine space, style, and...
    01-0930018
    SKU:
    01-0930018
    Material Options:
    Fiberglass
    Length Options:
    6 Inch
    Truck Class:
    Heavy Duty
    Cab Style:
    Unibuilt
    Product Type:
    Exterior
    Location:
    Made In USA
    Make:
    Peterbilt
    $2,509.99
    Qty in Cart: 0
    Price:
    $2,509.99
    Subtotal:
  • Fibertech Deluxe Flat Top Day Cab Conversion Kit For Peterbilt 365, 367, 378, 379, 386, 388, 389

    Fibertech Deluxe Flat Top Day Cab Conversion Kit For Peterbilt 365, 367, 378, 379, 386, 388, 389

    FIBERTECH

    $2,684.99
    Fiberglass Flat Top Day Cab Deluxe KitLooking to add more comfort to your Peterbilt truck? This Day Cab Extended Deluxe Conversion Kit is a great choice. It adds 4 inches of legroom with its 6-inch...
    01-093004
    SKU:
    01-093004
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Peterbilt
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $2,684.99
    Qty in Cart: 0
    Price:
    $2,684.99
    Subtotal:
  • Fibertech Day Cab Flat Panel Complete Conversion Kit With Tan Interior For Peterbilt 378, 379, 386, 388, 389 Ultracab

    Fibertech Day Cab Flat Panel Complete Conversion Kit With Tan Interior For Peterbilt 378, 379, 386, 388, 389 Ultracab

    FIBERTECH

    $2,185.99
    Peterbilt Ultra Cab Flat Panel Day Cab Kit Complete Conversion Kit* High Quality Flat Panel Conversion Kit* Includes:  - One Piece Fiberglass Panel  - Bonded 1 Inch x 2 Inch Aluminum Bracing   -...
    01-0930029
    SKU:
    01-0930029
    Truck Class:
    Heavy Duty
    Product Type:
    Exterior
    Material Options:
    Fiberglass
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $2,185.99
    Qty in Cart: 0
    Price:
    $2,185.99
    Subtotal:
  • Fibertech Day Cab Extended Complete Conversion Kit With Light Gray Interior For Peterbilt 378, 379, 386, 388, 389 Regular Cab

    Fibertech Day Cab Extended Complete Conversion Kit With Light Gray Interior For Peterbilt 378, 379, 386, 388, 389 Regular Cab

    FIBERTECH

    $3,889.99
    Day Cab Extended Complete Conversion Kit* High Quality Extended Conversion Kit* Includes:  - 3 Piece 6 Inch Fiberglass Cab Extension  - Bonded 1 Inch x 2 Inch Aluminum Bracing  - Fiberglass Interior...
    01-0930039
    SKU:
    01-0930039
    Product Type:
    Exterior
    Material Options:
    Fiberglass
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $3,889.99
    Qty in Cart: 0
    Price:
    $3,889.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Air Filter Assembly For HVAC No Housing For Peterbilt & Kenworth

    Air Filter Assembly For HVAC No Housing For Peterbilt & Kenworth

    CAB FRESH FILTER CO.

    $14.27
    Air 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
    $14.27
    Qty in Cart: 0
    Price:
    $14.27
    Subtotal:
  • FREE SHIPPING OVER $249
    Bawer Tool Box Lock Cylinder T-Handles

    Bawer Tool Box Lock Cylinder T-Handles

    BAWER TOOL BOXES

    $18.39
    T-Handle Lock Cylinder For Bawer Tool BoxNeed to replace the cylinder on your Bawer tool box lock? The cylinders for your T-handle locks use a Bawer 0100 Key. Sold individually, each cylinder comes...
    TU999300
    SKU:
    TU999300
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Toolboxes
    Length Options:
    4 Inch
    Ready To Ship:
    Yes
    $18.39
    Qty in Cart: 0
    Price:
    $18.39
    Subtotal:
  • Fibertech Basic Flat Panel Day Cab Conversion Kit For Peterbilt 378, 379, 386, 388, 389

    Fibertech Basic Flat Panel Day Cab Conversion Kit For Peterbilt 378, 379, 386, 388, 389

    FIBERTECH

    $1,144.99
    Peterbilt Ultra Cab Basic Flat Panel Day Cab Conversion KitThis Day Cab Flat Panel Basic Conversion Kit is a convenient solution for converting select Peterbilt 378, 379, 386, 388, 389 models into...
    01-0930034
    SKU:
    01-0930034
    Truck Class:
    Heavy Duty
    Product Type:
    Exterior
    Make:
    Peterbilt
    $1,144.99
    Qty in Cart: 0
    Price:
    $1,144.99
    Subtotal:
  • Fibertech Day Cab Extended Panel Complete Conversion Kit With Tan Interior For Peterbilt 378, 379, 386, 388, 389 Ultracab

    Fibertech Day Cab Extended Panel Complete Conversion Kit With Tan Interior For Peterbilt 378, 379, 386, 388, 389 Ultracab

    FIBERTECH

    $3,439.99
    Peterbilt Ultra Cab Day Cab Conversion Kit* High Quality Extended Panel Conversion Kit* Includes:  - 3 Piece 6 Inch Fiberglass Cab Extension  - Bonded 1 Inch X 2 Inch Aluminum Bracing  - Fiberglass...
    01-0930033
    SKU:
    01-0930033
    Product Type:
    Exterior
    Material Options:
    Fiberglass
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $3,439.99
    Qty in Cart: 0
    Price:
    $3,439.99
    Subtotal:
  • Fibertech Extended Day Cab Basic Conversion Kit For Kenworth t600, T800, W900

    Fibertech Extended Day Cab Basic Conversion Kit For Kenworth t600, T800, W900

    FIBERTECH

    $3,810.99
    Kenworth Extended Day Cab Basic Conversion Kit* High Quality Basic Conversion Kit* Includes:  - 1 Piece 6 Inch Fiberglass Cab Extension  - Bonded 1 Inch X 2 Inch Aluminum Bracing  - Aluminum Upper...
    02-093004K1
    SKU:
    02-093004K1
    Product Type:
    Exterior
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Material Options:
    Fiberglass
    Ready To Ship:
    Yes
    $3,810.99
    Qty in Cart: 0
    Price:
    $3,810.99
    Subtotal:
  • 5th Wheel Left Hand Minor Rebuild Kit Replaces SK7322150Z

    5th Wheel Left Hand Minor Rebuild Kit Replaces SK7322150Z

    AFTERMARKET

    $159.99
    5th Wheel Minor Rebuild Kit- Left HandOptimize your 5th wheel's performance with the Left Hand Minor Rebuild Kit, specifically designed for JSK37 series wheels. The kit comes with a top plate, lock...
    09-051100930
    SKU:
    09-051100930
    Product Type:
    Frame & Chassis
    Position:
    Driver Side
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $159.99
    Qty in Cart: 0
    Price:
    $159.99
    Subtotal:
  • 6 Inch Fiberglass Ultra Cab XL Big Window Kit Tan For Peterbilt 378, 379, 388 & 389 UltraCab

    6 Inch Fiberglass Ultra Cab XL Big Window Kit Tan For Peterbilt 378, 379, 388 & 389 UltraCab

    DAYCAB COMPANY

    $2,651.99
    Tan 6 Inch Fiberglass Ultra Cab XL Big Window Kit Fits Peterbilt 378, 379, 388 & 389 UltraCabElevate your cab configuration with this 6 Inch Fiberglass Ultra Cab XL Big Window Kit in Tan designed for...
    01-0930015
    SKU:
    01-0930015
    Truck Class:
    Heavy Duty
    Position:
    Kit Full
    Material Options:
    Fiberglass
    Cab Style:
    Ultra Cab
    Product Type:
    Exterior
    Make:
    Peterbilt
    $2,651.99
    Qty in Cart: 0
    Price:
    $2,651.99
    Subtotal:
  • Fibertech Deluxe Day Cab Conversion Kit For Peterbilt Flat Top

    Fibertech Deluxe Day Cab Conversion Kit For Peterbilt Flat Top

    FIBERTECH

    $1,735.99
    Peterbilt Flat Top Deluxe Day Cab Conversions KitThis aftermarket one-piece fiberglass panel offers a simple solution for your day cab needs. It comes with bonded internal aluminum bracing and all...
    01-093001
    SKU:
    01-093001
    Truck Class:
    Heavy Duty
    Material Options:
    Fiberglass
    Make:
    Peterbilt
    Finish Options:
    Paintable
    Length Options:
    73 Inch
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $1,735.99
    Qty in Cart: 0
    Price:
    $1,735.99
    Subtotal:
  • Fibertech Deluxe Day Cab Conversion Kit For Peterbilt Ultracab

    Fibertech Deluxe Day Cab Conversion Kit For Peterbilt Ultracab

    FIBERTECH

    $1,603.99
    Ultra Cab Deluxe Day Cab Conversions Kit Fits PeterbiltGet extra legroom with this Day Cab Flat Panel Deluxe Conversion Kit, made for Peterbilt models 378, 379, 386, 388, 389, and 389 Glider Ultracab...
    01-093002
    SKU:
    01-093002
    Truck Class:
    Heavy Duty
    Material Options:
    Fiberglass
    Make:
    Peterbilt
    Finish Options:
    Paintable
    Length Options:
    73 Inch
    Product Type:
    Exterior
    Cab Style:
    Flat Top
    Position:
    Kit Full
    Ready To Ship:
    Yes
    $1,603.99
    Qty in Cart: 0
    Price:
    $1,603.99
    Subtotal:
  • Fibertech Day Cab Extended Panel Complete Conversion Kit With Dark Gray Interior For Peterbilt 378, 379, 386, 388, 389 Ultracab

    Fibertech Day Cab Extended Panel Complete Conversion Kit With Dark Gray Interior For Peterbilt 378, 379, 386, 388, 389 Ultracab

    FIBERTECH

    $3,439.99
    Peterbilt Ultra Cab Day Cab Conversion Kit* High Quality Extended Panel Conversion Kit* Includes:  - 3 Piece 6 Inch Fiberglass Cab Extension  - Bonded 1 Inch X 2 Inch Aluminum Bracing  - Fiberglass...
    01-0930031
    SKU:
    01-0930031
    Product Type:
    Exterior
    Truck Class:
    Heavy Duty
    Material Options:
    Fiberglass
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $3,439.99
    Qty in Cart: 0
    Price:
    $3,439.99
    Subtotal:
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