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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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  • Quantity
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  • Stainless Steel Air Cleaner Light Panel W/ 6- 2 Inch Light Cutouts On Each Side For Peterbilt 378, 379

    Stainless Steel Air Cleaner Light Panel W/ 6- 2 Inch Light Cutouts On Each Side For Peterbilt 378, 379

    UNITED PACIFIC

    $77.99
    SS Air Cleaner Panel W/ 6 -2 Inch Light Cutouts On Each SideCheck out our stainless steel air cleaner light panel designed specifically for Peterbilt 378 and 379 trucks. It comes with 6 two-inch...
    01-0905301
    SKU:
    01-0905301
    Light Options:
    Without Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Peterbilt
    Product Type:
    Exterior
    $77.99
    Qty in Cart: 0
    Price:
    $77.99
    Subtotal:
  • 18 3/8 Stainless Steel Rear Air Cleaner Light Panels W/ Red 3/4 Inch LEDs/ Red Lens For Peterbilt 378, 379, 388, 389 W/ 13 Inch Breather

    18 3/8 Stainless Steel Rear Air Cleaner Light Panels W/ Red 3/4 Inch LEDs/ Red Lens For Peterbilt 378, 379, 388, 389 W/ 13 Inch Breather

    PHOENIX DESIGN

    $214.99
    Rear Air Cleaner Light Panels For 13 inch Breathers W/ Red 3/4 Inch LEDsEnhance the rear illumination of your Peterbilt truck with these stainless steel air cleaner light panels, crafted for 13-inch...
    01-09053119
    SKU:
    01-09053119
    Location:
    Made In USA
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Position:
    Rear
    Height Options:
    18 Inch
    Color:
    Red
    Product Type:
    Exterior
    $214.99
    Qty in Cart: 0
    Price:
    $214.99
    Subtotal:
  • Front Air Cleaner Light Panels W/ 14 M3 Light Holes For Kenworth W/ 15 Inch Donaldson 2011-Newer

    Front Air Cleaner Light Panels W/ 14 M3 Light Holes For Kenworth W/ 15 Inch Donaldson 2011-Newer

    ROADWORKS

    $227.99
    Roadworks Stainless Steel Front Breather Light Panels Fits KenworthThis high quality stainless steel front air cleaner light panels that fits Kenworth models has 14 light holes and includes a light...
    02-0905329
    SKU:
    02-0905329
    Light Options:
    Without Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Style Options:
    Donaldson Style
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Kenworth
    Position:
    Front
    Product Type:
    Exterior
    Height Options:
    15 Inch
    $227.99
    Qty in Cart: 0
    Price:
    $227.99
    Subtotal:
  • 20 Inch 304 Stainless Steel Rear Air Cleaner Light Boxes W/ Rnd 3/4 Inch FX Light Holes For Peterbilt 589

    20 Inch 304 Stainless Steel Rear Air Cleaner Light Boxes W/ Rnd 3/4 Inch FX Light Holes For Peterbilt 589

    PHOENIX DESIGN

    $257.99
    Peterbilt 589 SS Rear Air Cleaner Light Boxes W/ Round 3/4 Inch FX Style Light HolesPerfectly suited for Peterbilt 589 rear air cleaners, these 20-inch light boxes are made of premium 304 stainless...
    01-09053129
    SKU:
    01-09053129
    Product Type:
    Exterior
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Position:
    Rear
    Light Options:
    Without Lights
    Height Options:
    20 Inch
    Make:
    Peterbilt
    $257.99
    Qty in Cart: 0
    Price:
    $257.99
    Subtotal:
  • Stainless Steel Air Cleaner Light Panels For 15 Inch Donaldson AC W/ 2 Inch Round Amber LEDs For Kenworth W900B, W900L

    Stainless Steel Air Cleaner Light Panels For 15 Inch Donaldson AC W/ 2 Inch Round Amber LEDs For Kenworth W900B, W900L

    PHOENIX DESIGN

    $335.99
    Air Cleaner Light Panels For 15 Inch Donaldson AC W/ 2 Inch Round Amber LEDsAdd a clean custom look with high quality front air cleaner panels made from 304 stainless steel for durability and...
    02-0905341
    SKU:
    02-0905341
    Light Options:
    With Lights
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Kenworth
    Color:
    Amber
    Height Options:
    15 Inch
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $335.99
    Qty in Cart: 0
    Price:
    $335.99
    Subtotal:
  • Stainless Steel Front Air Cleaner Panels W/ 12 Round Light Holes For Peterbilt

    Stainless Steel Front Air Cleaner Panels W/ 12 Round Light Holes For Peterbilt

    ROADWORKS

    $112.99
    Front Air Cleaner Panels W/ Light HolesBring a new level of lighting customization to your Peterbilt's front air cleaner area with these durable stainless steel panels. Designed for 13-inch diameter...
    01-09053102
    SKU:
    01-09053102
    Light Options:
    Without Lights
    Style Options:
    Donaldson Style
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Product Type:
    Exterior
    Make:
    Peterbilt
    Position:
    Front
    $112.99
    Qty in Cart: 0
    Price:
    $112.99
    Subtotal:
  • 25.5 Inch 304 Stainless Steel Front Air Cleaner Light Boxes W/ Single Plug & Rnd 3/4 Inch FX Light Holes For Peterbilt 589

    25.5 Inch 304 Stainless Steel Front Air Cleaner Light Boxes W/ Single Plug & Rnd 3/4 Inch FX Light Holes For Peterbilt 589

    PHOENIX DESIGN

    $274.99
    Peterbilt 589 SS Front Air Cleaner Light Boxes W/ Round 3/4 Inch FX Style Light HolesBrighten up your truck with a set of Air Cleaner Light Boxes! Each box comes with 8 round 3/4 inch light holes,...
    01-09053128
    SKU:
    01-09053128
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $274.99
    Qty in Cart: 0
    Price:
    $274.99
    Subtotal:
  • Stainless Steel 18 Gauge Rear AC Light Panel W/ 16 - 2 Inch Light Holes For Peterbilt 378 & 379

    Stainless Steel 18 Gauge Rear AC Light Panel W/ 16 - 2 Inch Light Holes For Peterbilt 378 & 379

    ROADWORKS

    $121.99
    Stinless Steel Rear Breather Light Panels W/ 16 Cutouts Fits Peterbilt 378 & 379This high quality stainless steel rear AC light panel that fits Peterbilt 378 and 379 models has 16 light holes. The...
    01-0905304
    SKU:
    01-0905304
    Height Options:
    26 Inch
    Position:
    Rear
    Location:
    Made In USA
    Light Options:
    Without Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Peterbilt
    Product Type:
    Exterior
    $121.99
    Qty in Cart: 0
    Price:
    $121.99
    Subtotal:
  • Rear Air Cleaner Light Panels W/ 12 - 2 Inch Light Holes For Freightliner Classic

    Rear Air Cleaner Light Panels W/ 12 - 2 Inch Light Holes For Freightliner Classic

    ROADWORKS

    $93.99
    Roadworks Stainless Steel Rear Breather Light Panels Fits Freightliner Classic* Made of High Quality Stainless Steel* Fits Trucks with Donaldson 13 Inch Diameter Air Cleaners* Designed for Rear Side...
    03-0905300
    SKU:
    03-0905300
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Freightliner
    Position:
    Rear
    Product Type:
    Exterior
    $93.99
    Qty in Cart: 0
    Price:
    $93.99
    Subtotal:
  • 13 Inch Stainless Steel Rear Air Cleaner Panels W/ 8 Red Round Flat Lights For 15 Inch Vortox Air Cleaner For Peterbilt

    13 Inch Stainless Steel Rear Air Cleaner Panels W/ 8 Red Round Flat Lights For 15 Inch Vortox Air Cleaner For Peterbilt

    ROADWORKS

    $135.99
    13 Inch Rear Air Cleaner Panels W/ LightsBring high-impact lighting and durability to your Peterbilt's breather setup with this set of 13-inch stainless rear panels, built for 15-inch Vortox units...
    01-09053111
    SKU:
    01-09053111
    Light Options:
    With Lights
    Color:
    Red
    Product Type:
    Exterior
    Position:
    Rear
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Peterbilt
    Height Options:
    13 Inch
    Style Options:
    Vortox Style
    $135.99
    Qty in Cart: 0
    Price:
    $135.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Front Air Cleaner Light Panels W/ 10 Holes For Watermelon Lights, 5 Inch Wide For Peterbilt 379, 388, 389, 389 Glider

    Stainless Steel Front Air Cleaner Light Panels W/ 10 Holes For Watermelon Lights, 5 Inch Wide For Peterbilt 379, 388, 389, 389 Glider

    TWELVE GAUGE

    $110.99
    12 Gauge Stainless Steel Breather Panels W/ 10 Cutouts For Watermelon Style LightsThis pair of stainless steel front air cleaner light panels are designed for select Peterbilt 379, 388, 389, and 389...
    01-0905374
    SKU:
    01-0905374
    Truck Class:
    Heavy Duty
    Light Options:
    Without Lights
    Position:
    Front
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Peterbilt
    Style Options:
    Watermelon
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $110.99
    Qty in Cart: 0
    Price:
    $110.99
    Subtotal:
  • 18 3/8 Inch SS Rear Air Breather Panels W/ 6 P3 Style Light Holes For Peterbilt 378, 379, 388, 389 W/ 13 Inch Breather

    18 3/8 Inch SS Rear Air Breather Panels W/ 6 P3 Style Light Holes For Peterbilt 378, 379, 388, 389 W/ 13 Inch Breather

    PHOENIX DESIGN

    $131.99
    SS Rear Air Breather Panels For Peterbilt 378, 379, 388, 389Built for durability and versatility, these 18 3/8 inch stainless steel rear air breather panels are the perfect addition to Peterbilt 378,...
    01-09053125
    SKU:
    01-09053125
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Exterior
    $131.99
    Qty in Cart: 0
    Price:
    $131.99
    Subtotal:
  • FREE SHIPPING
    Stainless Steel Air Cleaner Bracket & Strapless Breather Bars W/ 5 Cab Light Holes For Peterbilt 389

    Stainless Steel Air Cleaner Bracket & Strapless Breather Bars W/ 5 Cab Light Holes For Peterbilt 389

    TWELVE GAUGE

    $686.99
    12 Gauge Stainless Steel Strapless Breather Bar And Breather Bracket Fits Peterbilt 389Give your Peterbilt 379 a custom, streamlined look with this Stainless Steel Air Cleaner Bracket and Strapless...
    01-0905391
    SKU:
    01-0905391
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Material Options:
    Stainless Steel
    Product Type:
    Exterior
    $686.99
    Qty in Cart: 0
    Price:
    $686.99
    Subtotal:
  • Stainless Steel Rear Light Panels For 13 Inch Air Cleaner W/ 6 3/4 Inch Bulkhead Light Holes For Peterbilt 378, 379, 388, 389

    Stainless Steel Rear Light Panels For 13 Inch Air Cleaner W/ 6 3/4 Inch Bulkhead Light Holes For Peterbilt 378, 379, 388, 389

    PHOENIX DESIGN

    $132.99
    Rear Light Panels For 13 Inch Air Cleaner W/ 6 3/4 Inch Bulkhead Light HolesDesigned for maximum durability and customization, these Stainless Steel Rear Light Panels are the ideal upgrade for...
    01-0905376
    SKU:
    01-0905376
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Peterbilt
    Height Options:
    13 Inch
    Position:
    Rear
    Product Type:
    Exterior
    Style Options:
    Donaldson Style
    $132.99
    Qty in Cart: 0
    Price:
    $132.99
    Subtotal:
  • 19.75 Inch Stainless Steel Rear Air Cleaner Panels W/ 12 Bullseye Light Holes For Peterbilt 1987-Current

    19.75 Inch Stainless Steel Rear Air Cleaner Panels W/ 12 Bullseye Light Holes For Peterbilt 1987-Current

    ROADWORKS

    $161.99
    19.75 Inch Rear Air Cleaner PanelsFor truckers who demand a combination of strength, style, and flexibility, these 19.75-inch stainless steel rear air cleaner panels for Peterbilt are an excellent...
    01-09053101
    SKU:
    01-09053101
    Location:
    Made In USA
    Light Options:
    Without Lights
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Position:
    Rear
    Make:
    Peterbilt
    Height Options:
    19 1/2 Inch
    $161.99
    Qty in Cart: 0
    Price:
    $161.99
    Subtotal:
  • FREE SHIPPING
    Brushed Stainless Steel Paintable Air Cleaner Bracket & Strapless Breather Bars W/ 5 Cab Light Holes For Peterbilt 389

    Brushed Stainless Steel Paintable Air Cleaner Bracket & Strapless Breather Bars W/ 5 Cab Light Holes For Peterbilt 389

    TWELVE GAUGE

    $648.99
    12 Gauge Stainless Steel Strapless Breather Bar And Breather Bracket Fits Peterbilt 379Do you want to get rid of the straps to your air cleaner? 4 State Trucks has the quality mounting bracket with...
    01-0905390
    SKU:
    01-0905390
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Paintable
    Make:
    Peterbilt
    Product Type:
    Exterior
    $648.99
    Qty in Cart: 0
    Price:
    $648.99
    Subtotal:
  • Stainless Steel Front Blank Air Breather Panels For Peterbilt 379, 388, & 389 W/ 15 Inch Breather

    Stainless Steel Front Blank Air Breather Panels For Peterbilt 379, 388, & 389 W/ 15 Inch Breather

    PHOENIX DESIGN

    $81.99
    Front Breather Panels BlankRefresh your Peterbilt's exterior with a pair of 304 stainless steel front blank air breather panels that are built to perform. At 19.5 inches tall, these panels are...
    01-09053107
    SKU:
    01-09053107
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Height Options:
    19 1/2 Inch
    Position:
    Front
    Product Type:
    Exterior
    $81.99
    Qty in Cart: 0
    Price:
    $81.99
    Subtotal:
  • 13 Inch Rear Air Cleaner Light Panels W/ 12 - 2 Inch Light Holes For Kenworth W900

    13 Inch Rear Air Cleaner Light Panels W/ 12 - 2 Inch Light Holes For Kenworth W900

    ROADWORKS

    $181.99
    Rear Breather Light Bar Fits Kenworth W900* High Quality Air Cleaner Rear Light Bars* 12 Two Inch Light Holes* Lights And Chrome Bezels Not Included - Sold Separately * 13 Inch Vortox And Donaldson...
    02-0905301
    SKU:
    02-0905301
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Kenworth
    Product Type:
    Exterior
    Style Options:
    Donaldson Style
    Height Options:
    13 Inch
    $181.99
    Qty in Cart: 0
    Price:
    $181.99
    Subtotal:
  • Rear Air Cleaner Light Panel W/ 8 - 2 Inch Light Holes For Freightliner Classic

    Rear Air Cleaner Light Panel W/ 8 - 2 Inch Light Holes For Freightliner Classic

    ROADWORKS

    $111.99
    Roadworks Stainless Steel Rear Breather Light Panel Fits Freightliner Classic* High Quality Light Panels* 2 Inch Light Holes* 8 Light Holes Per Side* Sold Individually* Warranty On Light Panels...
    03-0905301
    SKU:
    03-0905301
    Position:
    Rear
    Light Options:
    Without Lights
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Style Options:
    Donaldson Style
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    Height Options:
    13 Inch
    Product Type:
    Exterior
    $111.99
    Qty in Cart: 0
    Price:
    $111.99
    Subtotal:
  • FREE SHIPPING OVER $249
    CSM Front Air Cleaner Panel W/ 16 - 2 Inch Light Holes For Peterbilt 378, 379, 388 & 389

    CSM Front Air Cleaner Panel W/ 16 - 2 Inch Light Holes For Peterbilt 378, 379, 388 & 389

    CHROME SHOP MAFIA

    $130.99
    Stainless Steel Front Breather Light Panels By Chrome Shop MafiaTake control of your truck's lighting customization with this high-quality CSM front air cleaner panel, designed specifically for...
    01-0905308
    SKU:
    01-0905308
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Light Options:
    Without Lights
    Position:
    Front
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Peterbilt
    Product Type:
    Exterior
    Style Options:
    Donaldson Style
    Ready To Ship:
    Yes
    $130.99
    Qty in Cart: 0
    Price:
    $130.99
    Subtotal:
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