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Peterbilt 388 Exterior Parts

Upgrade your Peterbilt 388 with our premium exterior parts selection, including day cab conversion kits, sleeper accessories, replacement windshield wipers, and cowl panels.
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  • Price
  • Subtotal
  • 6 Inch Fiberglass Ultra Cab XL Big Window Kit- Tan For Peterbilt

    6 Inch Fiberglass Ultra Cab XL Big Window Kit- Tan For Peterbilt

    DAYCAB COMPANY

    $2,651.99
    6 Inch Tan Ultra Cab XL Big Window KitElevate your cab configuration with this 6 Inch Fiberglass Ultra Cab XL Big Window Kit in Tan designed for the Peterbilt 389 Ultra Cab setup. Featuring a 6-inch...
    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:
  • 3.5 Inch Blank Sanded Stainless Steel Sleeper Panel W/ Extension For Peterbilt W/ 70 Inch Sleeper

    3.5 Inch Blank Sanded Stainless Steel Sleeper Panel W/ Extension For Peterbilt W/ 70 Inch Sleeper

    ROADWORKS

    $271.99
    3.5 X 70 Inch Blank Sanded Sleeper Panel W/ Extension By RoadworksRefresh your Peterbilt 70-inch Ultra Sleeper with this 3.5 Inch Blank Sanded Stainless Steel Sleeper Panel with Extension. Crafted...
    01-1012128
    SKU:
    01-1012128
    Finish Options:
    Paintable
    Location:
    Made In USA
    Light Options:
    Without Lights
    Length Options:
    70 Inch
    Type Options:
    With Extensions
    Truck Class:
    Heavy Duty
    Product Type:
    Exterior
    Height Options:
    3 1/2 Inch
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    $271.99
    Qty in Cart: 0
    Price:
    $271.99
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  • Fiberglass Unibilt XL Standard Day Cab Conversion Kit W/ 6 Inch Extended Cab & Window For Peterbilt

    Fiberglass Unibilt XL Standard Day Cab Conversion Kit W/ 6 Inch Extended Cab & Window For Peterbilt

    DAYCAB COMPANY

    $2,766.99
    Unibilt XL Standard Day Cab Conversion Kit W/ 6 Inch Extended Cab & Window Fits PeterbiltUpgrade your Peterbilt with this Fiberglass Unibilt XL Standard Day Cab Conversion Kit with a 6 Inch Extended...
    01-0930042
    SKU:
    01-0930042
    Material Options:
    Fiberglass
    Position:
    Kit Full
    Product Type:
    Exterior
    Cab Style:
    Unibilt
    Style Options:
    Flat Top
    Make:
    Peterbilt
    $2,766.99
    Qty in Cart: 0
    Price:
    $2,766.99
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  • 15 Inch Stainless Steel Rear Air Cleaner For Peterbilt 379, 388 & 389

    15 Inch Stainless Steel Rear Air Cleaner For Peterbilt 379, 388 & 389

    PHOENIX DESIGN

    $167.99 - $347.99
    Choose Option(s) to see description.Fitment* Fits Peterbilt 379 1987 Thru 2007 * Fits Peterbilt 388 2008 Thru 2014 * Fits Peterbilt 389 2008 Thru 202321.5 Inch SS Rear AC Panels W/ 20- 3/4 Inch Rnd...
    PPR_300596
    SKU:
    PPR_300596
    Finish Options:
    Polished
    Color:
    Amber/Red
    Light Options:
    Without Lights
    Height Options:
    22 Inch
    Position:
    Rear
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Color:
    Red
    Light Options:
    With Lights
    Height Options:
    21.5 Inch
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $167.99 - $347.99
    Qty in Cart: 0
    Price:
    $167.99 - $347.99
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  • 17 X 2-3/4 X 1-1/2 Inch Stainless Steel Air Cleaner Light Panel

    17 X 2-3/4 X 1-1/2 Inch Stainless Steel Air Cleaner Light Panel

    ARANDA TRUCK ACCESSORIES

    $151.99 - $195.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks17 Inch Stainless Steel Air Cleaner Light Panel W/ 20 Rnd 3/4 Inch Light Holes17 Inch Air Cleaner Light...
    PPR_300583
    SKU:
    PPR_300583
    Height Options:
    17 Inch
    Product Type:
    Exterior
    Light Options:
    Without Lights
    Height Options:
    14 Inch
    Height Options:
    11 Inch
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Universal Items
    $151.99 - $195.99
    Qty in Cart: 0
    Price:
    $151.99 - $195.99
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  • 4 X 4 Inch Stainless Steel Air Cleaner Light Panel

    4 X 4 Inch Stainless Steel Air Cleaner Light Panel

    ARANDA TRUCK ACCESSORIES

    $195.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks12 Inch Stainless Steel Air Cleaner Light Panel W/ 6 Watermelon Light Holes12 Inch Air Cleaner Light...
    PPR_300584
    SKU:
    PPR_300584
    Location:
    Made In USA
    Height Options:
    12 Inch
    Material Options:
    Stainless Steel
    Height Options:
    17 Inch
    Light Options:
    Without Lights
    Product Type:
    Exterior
    Make:
    Universal Items
    $195.99
    Qty in Cart: 0
    Price:
    $195.99
    Subtotal:
  • Roadworks 3.5 Inch Stainless Steel Cab- Cowl Panel For Peterbilt 388 W/ Side Stacks & Passenger Side KW Style Boxes

    Roadworks 3.5 Inch Stainless Steel Cab- Cowl Panel For Peterbilt 388 W/ Side Stacks & Passenger Side KW Style Boxes

    ROADWORKS

    $533.99 - $552.99
    Choose Option(s) to see description.Fitment* Fits Peterbilt 388 2008 thru 2014Roadworks 3.5 Inch Blank Stainless Steel Cab- Cowl Panel For Peterbilt 388 W/ Side Stacks & Passenger Side KW Style...
    PPR_300571
    SKU:
    PPR_300571
    Material Options:
    Stainless Steel
    Height Options:
    3 1/2 Inch
    Position:
    Passenger Side
    Light Options:
    Without Lights
    Location:
    Made In USA
    Product Type:
    Exterior
    Make:
    Peterbilt
    $533.99 - $552.99
    Qty in Cart: 0
    Price:
    $533.99 - $552.99
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  • Roadworks 3.5 Inch Stainless Steel Cab- Cowl Panel W/ Light Options For Peterbilt 388

    Roadworks 3.5 Inch Stainless Steel Cab- Cowl Panel W/ Light Options For Peterbilt 388

    ROADWORKS

    $554.99 - $562.99
    Choose Option(s) to see description.Fitment* Fits Peterbilt 388 2008 thru 2014Roadworks 3.5 Inch Stainless Steel Cab- Cowl Panel W/ Wide Cowl & 18 Supernova Light Holes For Peterbilt 3883.5 Inch SS...
    PPR_300566
    SKU:
    PPR_300566
    Location:
    Made In USA
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Style Options:
    Wide Style
    Height Options:
    3 1/2 Inch
    Product Type:
    Exterior
    Make:
    Peterbilt
    $554.99 - $562.99
    Qty in Cart: 0
    Price:
    $554.99 - $562.99
    Subtotal:
  • Roadworks 3.5 Inch Blank Stainless Steel Cab Cowl Panel For Peterbilt 388

    Roadworks 3.5 Inch Blank Stainless Steel Cab Cowl Panel For Peterbilt 388

    ROADWORKS

    $525.99 - $552.99
    Choose Option(s) to see description.Fitment* Fits Peterbilt 388 2008 thru 2014Roadworks 3.5 Inch Blank Stainless Steel Cab- Cowl Panel For Peterbilt 3883.5 Inch Blank SS Cab- Cowl Panel By Roadworks...
    PPR_300569
    SKU:
    PPR_300569
    Location:
    Made In USA
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Height Options:
    3 1/2 Inch
    Product Type:
    Exterior
    Make:
    Peterbilt
    $525.99 - $552.99
    Qty in Cart: 0
    Price:
    $525.99 - $552.99
    Subtotal:
  • Roadworks Stainless Steel Wide Cowl Extension Panels W/ Set Back DPF For Peterbilt 388

    Roadworks Stainless Steel Wide Cowl Extension Panels W/ Set Back DPF For Peterbilt 388

    ROADWORKS

    $295.99 - $307.99
    Choose Option(s) to see description.Fitment* Fits Peterbilt 388 2008 thru 2014Roadworks Stainless Steel Wide Style Cowl Extensions W/ Notch For Peterbilt 388SS Wide Style Cowl Extensions W/ Notch By...
    PPR_300557
    SKU:
    PPR_300557
    Style Options:
    Set Back Axle
    Light Options:
    Without Lights
    Location:
    Made In USA
    Product Type:
    Exterior
    Style Options:
    Wide Style
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    $295.99 - $307.99
    Qty in Cart: 0
    Price:
    $295.99 - $307.99
    Subtotal:
  • Roadworks 3.5 Inch Stainless Steel Cab Panel W/ Light Options For Peterbilt 379 & Non-DPF 388 & 389

    Roadworks 3.5 Inch Stainless Steel Cab Panel W/ Light Options For Peterbilt 379 & Non-DPF 388 & 389

    ROADWORKS

    $120.99 - $552.99
    Choose Option(s) to see description.Fitment* Fits Peterbilt 379 1987 thru 2007* Fits Peterbilt 388 2008 thru 2014* Fits Peterbilt 389 2008 thru 2023Roadworks 3.5 Inch Stainless Steel Cab Panel W/ 14...
    PPR_300565
    SKU:
    PPR_300565
    Height Options:
    3 1/2 Inch
    Product Type:
    Exterior
    Light Options:
    Without Lights
    Cab Style:
    Day Cab
    Style Options:
    Wide Style
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Peterbilt
    $120.99 - $552.99
    Qty in Cart: 0
    Price:
    $120.99 - $552.99
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  • Roadworks Stainless Steel Low Profile Cab/Cowl Panel W/ Set Forward DPF & Light Options For Peterbilt 388

    Roadworks Stainless Steel Low Profile Cab/Cowl Panel W/ Set Forward DPF & Light Options For Peterbilt 388

    ROADWORKS

    $524.99
    Choose Option(s) to see description.Fitment* Fits Peterbilt 388 2008 thru 2014Roadworks 3.5 Inch Stainless Steel Low Profile Cab- Cowl Panel W/ 18 Supernova Light Holes For Peterbilt 3883.5 Inch SS...
    PPR_300559
    SKU:
    PPR_300559
    Material Options:
    Stainless Steel
    Height Options:
    3 1/2 Inch
    Product Type:
    Exterior
    Location:
    Made In USA
    Light Options:
    Without Lights
    Style Options:
    Low Profile
    Make:
    Peterbilt
    $524.99
    Qty in Cart: 0
    Price:
    $524.99
    Subtotal:
  • Roadworks Stainless Steel Narrow Cowl Extension Panels For Peterbilt 388

    Roadworks Stainless Steel Narrow Cowl Extension Panels For Peterbilt 388

    ROADWORKS

    $235.99
    Choose Option(s) to see description.Fitment* Fits Peterbilt 388 2008 thru 2014Roadworks Stainless Steel Narrow Style Cowl Extensions W/ 8 Supernova Light Holes For Peterbilt 388SS Narrow Style Cowl...
    PPR_300555
    SKU:
    PPR_300555
    Light Options:
    Without Lights
    Style Options:
    Narrow Style
    Location:
    Made In USA
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    $235.99
    Qty in Cart: 0
    Price:
    $235.99
    Subtotal:
  • Aluminum In Frame Toolbox W/ Smooth Body & Diamond Plate Lid - 13 Inches

    Aluminum In Frame Toolbox W/ Smooth Body & Diamond Plate Lid - 13 Inches

    ICONIC

    $599.99
    18 X 23 X 13 Inch In-Frame ToolboxOptimize your truck's storage with the In-Frame Toolbox with Smooth Body Checker Lid - 13 Inches, built to mount securely inside your frame rails and save valuable...
    09-050200004
    SKU:
    09-050200004
    Material Options:
    Aluminum
    Length Options:
    18 Inch
    Finish Options:
    Smooth
    Product Type:
    Toolboxes
    Height Options:
    13 Inch
    Width Options:
    23 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $599.99
    Qty in Cart: 0
    Price:
    $599.99
    Subtotal:
  • Smooth Aluminum Big Mouth Step Box W/ Diamond Plate Lid- 16 X 29.13 X 24 Inch

    Smooth Aluminum Big Mouth Step Box W/ Diamond Plate Lid- 16 X 29.13 X 24 Inch

    ICONIC

    $729.99
    16 X 29.13 X 24 Inch Smooth Aluminum Big Mouth Step Box W/ Diamond Plate LidBoost your truck's efficiency with the Smooth Aluminum Big Mouth Step Box, built for rugged use and professional appearance...
    09-020100783
    SKU:
    09-020100783
    Finish Options:
    Smooth
    Product Type:
    Toolboxes
    Height Options:
    24 Inch
    Material Options:
    Aluminum
    Width Options:
    29 Inch
    Length Options:
    16 Inch
    Make:
    Universal Items
    $729.99
    Qty in Cart: 0
    Price:
    $729.99
    Subtotal:
  • Roadworks 3.5 Inch Blank Stainless Steel Low Profile Cab- Cowl Panel For Peterbilt 388

    Roadworks 3.5 Inch Blank Stainless Steel Low Profile Cab- Cowl Panel For Peterbilt 388

    ROADWORKS

    $504.99
    3.5 Inch Blank SS Low Profile Cab- Cowl Panel By Roadworks Fits Peterbilt 388Give your Peterbilt 388 a polished upgrade with the Roadworks 3.5 Inch Blank Stainless Steel Low Profile Cab-Cowl Panel...
    01-0912101995
    SKU:
    01-0912101995
    Height Options:
    3 1/2 Inch
    Style Options:
    Low Profile
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Peterbilt
    $504.99
    Qty in Cart: 0
    Price:
    $504.99
    Subtotal:
  • Roadworks 3.5 Inch Blank Stainless Steel Cab- Cowl Panel W/ Wide Cowl For Peterbilt 388

    Roadworks 3.5 Inch Blank Stainless Steel Cab- Cowl Panel W/ Wide Cowl For Peterbilt 388

    ROADWORKS

    $533.99
    3.5 Inch Blank SS Cab- Cowl Panel W/ Wide Cowl By Roadworks Fits Peterbilt 388Strengthen the front-end style of your Peterbilt 388 with the Roadworks 3.5 Inch Blank Stainless Steel Cab-Cowl Panel...
    01-0912102007
    SKU:
    01-0912102007
    Light Options:
    Without Lights
    Style Options:
    Wide Style
    Height Options:
    3 1/2 Inch
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Peterbilt
    $533.99
    Qty in Cart: 0
    Price:
    $533.99
    Subtotal:
  • Roadworks Stainless Steel Wide Style Cowl Extensions W/ Notch & 8 Fusion Light Holes For Peterbilt 388

    Roadworks Stainless Steel Wide Style Cowl Extensions W/ Notch & 8 Fusion Light Holes For Peterbilt 388

    ROADWORKS

    $307.99
    SS Wide Style Cowl Extensions W/ Notch & 4 Fusion Light Holes Per Panel By Roadworks Fits Peterbilt 388Reinforce your Peterbilt 388 with Roadworks Wide Style Stainless Steel Cowl Extensions,...
    01-0912101981
    SKU:
    01-0912101981
    Style Options:
    Wide Style
    Light Options:
    Without Lights
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Peterbilt
    $307.99
    Qty in Cart: 0
    Price:
    $307.99
    Subtotal:
  • Roadworks 3.5 Inch Stainless Steel Cab Panel W/ 14 Bullseye Light Holes For Peterbilt 379 DPF & 388/389 Non-DPF

    Roadworks 3.5 Inch Stainless Steel Cab Panel W/ 14 Bullseye Light Holes For Peterbilt 379 DPF & 388/389 Non-DPF

    ROADWORKS

    $151.99
    3.5 Inch SS Cab Panel W/ 7 Bullseye Light Holes Per Panel By RoadworksOutfit your Peterbilt 379 DPF or non-DPF 388/389 day cab with Roadworks 3.5 Inch Stainless Steel Cab Panels featuring 14 Bullseye...
    01-0912101994
    SKU:
    01-0912101994
    Light Options:
    Without Lights
    Height Options:
    3 1/2 Inch
    Product Type:
    Exterior
    Cab Style:
    Day Cab
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Peterbilt
    $151.99
    Qty in Cart: 0
    Price:
    $151.99
    Subtotal:
  • Roadworks 3.5 Inch Stainless Steel Cab Panel W/ 14 Supernova Light Holes For Peterbilt 379 DPF & 388/389 Non-DPF

    Roadworks 3.5 Inch Stainless Steel Cab Panel W/ 14 Supernova Light Holes For Peterbilt 379 DPF & 388/389 Non-DPF

    ROADWORKS

    $151.99
    3.5 Inch SS Cab Panel W/ 7 Supernova Light Holes Per Panel By RoadworksEnhance your Peterbilt 379 DPF or non-DPF 388/389 day cab with Roadworks 3.5 Inch Stainless Steel Cab Panels, complete with 14...
    01-0912101993
    SKU:
    01-0912101993
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Height Options:
    3 1/2 Inch
    Light Options:
    Without Lights
    Product Type:
    Exterior
    Make:
    Peterbilt
    $151.99
    Qty in Cart: 0
    Price:
    $151.99
    Subtotal:
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Adding your products to cart

Our lineup of aftermarket Peterbilt 388 exterior parts include accessories for your cab and sleeper area. Selecting the right type of aftermarket sleeper roof trim or side window trim can serve to match the overall aesthetic of your Peterbilt 388 by complementing its truck hood trim or its incandescent accent cab lights. The customizations are pretty much endless, especially if you have a particular vision for how you want the exterior of your cab to look. By investing in the right aftermarket punch grilles, you can further accentuate the overall style of your truck, making it even more unique and iconic. Our extensive product lineup of polished, stainless steel exterior cab trim pieces can seamlessly match your Peterbilt 388 bumper style so that you get a uniform look. Now, if you're looking to start turning heads while on the open road, consider investing in exterior accessories like a full wrap sleeper bar, polished aluminum sleeper panels, or a 3-piece stainless steel roof trim kit. Choosing the right item from our exterior parts lineup is the perfect way to achieve that sleek, stylish look for your Peterbilt 388 at a competitive price point. If you need help deciding on the right piece, give our team a call!

Frequently Asked Questions About Peterbilt 388 Exterior Parts

What year models does the Peterbilt 388 bumper fit, and are there any compatibility issues I should know about?

Peterbilt 388 bumpers are designed specifically for model years 2006-2015. While the mounting points remained consistent throughout production, there are slight variations between early models (2006-2010) and later models (2011-2015) regarding fog light cutouts and sensor mounting provisions. Always verify your specific OEM and model year before ordering, as some 388s built for specialized applications may have unique mounting configurations.

What's the difference between chrome, stainless steel, and aluminum bumpers for my 388?

Chrome-plated steel bumpers offer the classic mirror finish but require regular polishing and can rust if the chrome chips. Stainless steel bumpers (typically 304-grade) provide excellent corrosion resistance and maintain their shine with minimal maintenance, though they're heavier and more expensive. Aluminum bumpers are the lightest option, won't rust, and take polish well, but they're more prone to denting and may show scratches more easily. For trucks in northern climates with road salt exposure, stainless steel typically offers the best long-term value.

Can I install a new bumper myself, or do I need special tools and expertise?

While bumper installation is possible for experienced DIYers, it typically requires two people, a floor jack or bumper stand, and basic hand tools including 3/4" and 7/8" wrenches. The bumper weighs between 85-120 pounds depending on material. Most installations take 2-3 hours. Common challenges include aligning mounting brackets, reconnecting fog lights and sensors, and ensuring proper fitment around the grille. Many customers find it worthwhile to have a shop install it, typically costing $200-400 in labor.

How do I match my existing exterior accessories when replacing just the bumper?

The most common finish mismatch occurs between older chrome and new chrome due to weathering. To ensure the best match, consider the age and condition of your existing chrome or stainless accessories. For trucks with mixed finishes, upgrading to all stainless steel components over time often provides the most uniform appearance. When ordering, specify if you need standard 16" or extended 18" bumpers, and whether you need cutouts for tow hooks, fog lights, or air dam provisions.

What's included with the bumper, and what additional parts might I need?

Most aftermarket Peterbilt 388 bumpers come as the bumper shell only. You'll typically need to purchase separately: mounting brackets (if not reusing OEM), bumper bolts, fog light brackets, license plate holder, and any chrome or stainless steel end caps. If upgrading from steel to aluminum, you may need different mounting hardware due to galvanic corrosion concerns. Budget an additional $100-300 for these accessories depending on your configuration.


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