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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.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • 3 X 70 Inch Stainless Steel Sleeper Extension Panels W/ 2 M1 Millennium Light Holes For Peterbilt 365, 378, 379, 384, 386, 387, 388, 389, 587

    3 X 70 Inch Stainless Steel Sleeper Extension Panels W/ 2 M1 Millennium Light Holes For Peterbilt 365, 378, 379, 384, 386, 387, 388, 389, 587

    PHOENIX DESIGN

    $94.99
    Sleeper Extension Panels Fits Peterbilt 378, 379, 384, 386, 388 & 389* High Quality Sleeper Panel* Made Of 304 Stainless Steel* 70 Inch Sleeper* Fits 3 Inch Tall Sleeper Panels* With 1 Hole For M1...
    01-10123078
    SKU:
    01-10123078
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Length Options:
    70 Inch
    Finish Options:
    Polished
    Make:
    Peterbilt
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $94.99
    Qty in Cart: 0
    Price:
    $94.99
    Subtotal:
  • 3 X 70 Inch Stainless Steel Sleeper Panels W/ 12 M1 Millennium Light Holes For Peterbilt

    3 X 70 Inch Stainless Steel Sleeper Panels W/ 12 M1 Millennium Light Holes For Peterbilt

    PHOENIX DESIGN

    $289.99
    Sleeper Panels Fits Peterbilt 378, 379, 384, 386, 388 & 389Enhance the style and visibility of your Peterbilt truck with these 3 x 70 Inch Stainless Steel Sleeper Panels with 12 M1 Millennium Light...
    01-10123076
    SKU:
    01-10123076
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Length Options:
    70 Inch
    Make:
    Peterbilt
    Light Options:
    Without Lights
    Product Type:
    Exterior
    Height Options:
    3 Inch
    $289.99
    Qty in Cart: 0
    Price:
    $289.99
    Subtotal:
  • 3 X 48 Inch Stainless Steel Sleeper Extension Panel W/ 1 M1 Amber/Clear LED Light For Peterbilt 365, 367, 377, 379, 384, 385, 386, 388 & 389

    3 X 48 Inch Stainless Steel Sleeper Extension Panel W/ 1 M1 Amber/Clear LED Light For Peterbilt 365, 367, 377, 379, 384, 385, 386, 388 & 389

    PHOENIX DESIGN

    $129.99
    Lighted Sleeper Extension Panel Fits Peterbilt W/ Unibilt Sleeper* High Quality Sleeper Extension Panels * Made Of 304 Stainless Steel* 48 Inch* 3 Inch Tall* With 1 M1 Magnum LED Clear* For Peterbilt...
    01-10123047
    SKU:
    01-10123047
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Product Type:
    Exterior
    $129.99
    Qty in Cart: 0
    Price:
    $129.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Sleeper Extension For 63 Inch Peterbilt Sleeper

    Stainless Steel Sleeper Extension For 63 Inch Peterbilt Sleeper

    TRUX ACCESSORIES

    $220.99
    Sleeper Extension Fits PeterbiltAdd some shine to your truck with this pair of lighted sleeper extensions. Each panel is made with polished stainless steel and has 3 round 2-inch amber LEDs. The...
    01-10123012
    SKU:
    01-10123012
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Length Options:
    63 Inch
    Style Options:
    LED
    Product Type:
    Exterior
    $220.99
    Qty in Cart: 0
    Price:
    $220.99
    Subtotal:
  • FREE SHIPPING OVER $249
    CSM Aluminum Rear Sleeper Fill In Pieces For Peterbilt 335, 357, 378, 379, 384, 385, 386, 387, 388, 389, 567, 579, 587

    CSM Aluminum Rear Sleeper Fill In Pieces For Peterbilt 335, 357, 378, 379, 384, 385, 386, 387, 388, 389, 567, 579, 587

    CHROME SHOP MAFIA

    $39.44
    Rear Sleeper Fill In Pieces Fits Peterbilt By Chrome Shop Mafia* High Quality Rear Sleeper Panel Piece* Made Of Aluminum* Fill In Pieces Use In Conjunction With Full Wrap Sleeper Bars* Sold As A...
    01-1012112
    SKU:
    01-1012112
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Finish Options:
    Paintable
    Material Options:
    Aluminum
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $39.44
    Qty in Cart: 0
    Price:
    $39.44
    Subtotal:
  • 6 X 63 Inch Paintable Aluminum Souther Style Sleeper Panels W/ Extenders For Peterbilt 359, 365, 367, 377, 378, 379, 384, 385, 386, 388, 389

    6 X 63 Inch Paintable Aluminum Souther Style Sleeper Panels W/ Extenders For Peterbilt 359, 365, 367, 377, 378, 379, 384, 385, 386, 388, 389

    TRUX ACCESSORIES

    $372.99
    Deep Sleeper Panels W/ Extenders Fits PeterbiltAre you looking to add something extra to your sleeper? 4 State Trucks offers this pair of paintable Southern Style sleeper panels with extenders. Made...
    01-1012103
    SKU:
    01-1012103
    Length Options:
    63 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Finish Options:
    Paintable
    Make:
    Peterbilt
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $372.99
    Qty in Cart: 0
    Price:
    $372.99
    Subtotal:
  • FREE SHIPPING OVER $249
    CSM 7 X 70 Inch Sleeper Wing Extender For Peterbilt 359, 377, 379, 378, 386, 388 & 389 Glider

    CSM 7 X 70 Inch Sleeper Wing Extender For Peterbilt 359, 377, 379, 378, 386, 388 & 389 Glider

    CHROME SHOP MAFIA

    $72.99
    70 Inch Sleeper Wing Extender Fits Peterbilt By Chrome Shop Mafia* High Quality Sleeper Wing Extender* Made Of Wide Aluminum* 70 Inch* Sold As Pairs* Warranty On Sleeper Wing Extenders Against...
    01-1012101
    SKU:
    01-1012101
    Length Options:
    70 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Peterbilt
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $72.99
    Qty in Cart: 0
    Price:
    $72.99
    Subtotal:
  • 3 Inch Unibilt Sleeper Extension Panel W/ 4 - 3/4 Inch Light Holes For 63/72 Inch Sleepers For Peterbilt 365, 367, 377, 378, 379, 384, 385, 386, 388, 389 - Pair

    3 Inch Unibilt Sleeper Extension Panel W/ 4 - 3/4 Inch Light Holes For 63/72 Inch Sleepers For Peterbilt 365, 367, 377, 378, 379, 384, 385, 386, 388, 389 - Pair

    PHOENIX DESIGN

    $121.99
    Sleeper Extension Panels W/ 8 - 3/4 Inch Light Holes Fits Peterbilt W/ 63 Or 72 Inch Unibilt Sleepers* High Quality Sleeper Extension* 304 Stainless Steel * 3 Inch Tall * For 63/72 Inch Sleepers*...
    01-1012097H001
    SKU:
    01-1012097H001
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Length Options:
    72 Inch
    Make:
    Peterbilt
    Finish Options:
    Polished
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $121.99
    Qty in Cart: 0
    Price:
    $121.99
    Subtotal:
  • 6.5 X 70 Inch Stainless Steel Sleeper Panels W/ Amber Bulkhead Under Glow Lights For Peterbilt 367, 384, 386, 387, 388, 389, 587

    6.5 X 70 Inch Stainless Steel Sleeper Panels W/ Amber Bulkhead Under Glow Lights For Peterbilt 367, 384, 386, 387, 388, 389, 587

    PHOENIX DESIGN

    $718.99
    Sleeper Panels W/ Amber Bulkhead Under Glow Lights Without Extensions* High Quality Sleeper Panels* 304 Stainless Steel* 6.5 Inch To 70 Inch Without Extensions * With Underglow Lights * Amber...
    01-1012096L002
    SKU:
    01-1012096L002
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Length Options:
    70 Inch
    Product Type:
    Exterior
    $718.99
    Qty in Cart: 0
    Price:
    $718.99
    Subtotal:
  • 6.5 X 70 Inch Paintable Sleeper Panels W/ Amber Bulkhead Under Glow Lights For Peterbilt 367, 384, 386, 387, 388, 389, 587

    6.5 X 70 Inch Paintable Sleeper Panels W/ Amber Bulkhead Under Glow Lights For Peterbilt 367, 384, 386, 387, 388, 389, 587

    PHOENIX DESIGN

    $606.99
    Sleeper Panels W/ Amber Bulkhead Under Glow Lights* High Quality Sleeper Panels* With Extensions* Paintable* 6.5 Inch To 70 Inch* 13 Round Lights* Amber LED/Clear Lens* Sold Individually * Warranty...
    01-1012096L001
    SKU:
    01-1012096L001
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Peterbilt
    Length Options:
    70 Inch
    Product Type:
    Exterior
    $606.99
    Qty in Cart: 0
    Price:
    $606.99
    Subtotal:
  • 3 X 70 Inch Stainless Steel Sleeper Panel W/ 8 Amber P1 LED Smoked Lens Lights For Peterbilt 367, 384, 386, 387, 388, 389, 587

    3 X 70 Inch Stainless Steel Sleeper Panel W/ 8 Amber P1 LED Smoked Lens Lights For Peterbilt 367, 384, 386, 387, 388, 389, 587

    PHOENIX DESIGN

    $560.99
    3 Inch Sleeper Panels Without Extensions Fits Peterbilt W/ 70 Inch Sleeper* High Quality Steel Sleeper Panel* 304 Stainless Steel * 3 Inch * For 70 Inch Sleepers Without Extensions* Has 8 Amber P1...
    01-1012093L001
    SKU:
    01-1012093L001
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Paintable
    Length Options:
    70 Inch
    Product Type:
    Exterior
    $560.99
    Qty in Cart: 0
    Price:
    $560.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Stainless Steel 63 Inch Sleeper Panel W/ 9 3/4 Inch Light Holes On Each Panel, For Peterbilt 365, 367, 384, 386, 388, 389 Pair

    Stainless Steel 63 Inch Sleeper Panel W/ 9 3/4 Inch Light Holes On Each Panel, For Peterbilt 365, 367, 384, 386, 388, 389 Pair

    PHOENIX DESIGN

    Now: $321.29
    Was: $458.99
    SS Sleeper Panels For Peterbilt Models W/ 63 Inch Sleepers* High Quality Sleeper Panel* Made Of 304 Stainless Steel* For 63 Inch Sleepers * Without Extensions* Includes:  - (9) 3/4 Inch Round Light...
    01-1012048H001
    SKU:
    01-1012048H001
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Length Options:
    63 Inch
    Make:
    Peterbilt
    Finish Options:
    Polished
    Light Options:
    Without Lights
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    Now: $321.29
    Was: $458.99
    Qty in Cart: 0
    Price:
    Now: $321.29
    Was: $458.99
    Subtotal:
  • 3 Inch Stainless Steel Sleeper Extension Panel W/ 3 P1 Amber/Amber LED Lights For Peterbilt - Pair

    3 Inch Stainless Steel Sleeper Extension Panel W/ 3 P1 Amber/Amber LED Lights For Peterbilt - Pair

    PHOENIX DESIGN

    $214.99
    Sleeper Extension Panels W/ 6 P1 Amber LED Lights Fits Peterbilt W/ Unibilt Sleeper* High Quality Sleeper Extender Panels* Made Of 304 Stainless Steel * 3 Inch Tall* 8 Inch Light Spacing* 3 P1...
    01-1012014L003
    SKU:
    01-1012014L003
    Location:
    Made In USA
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Length Options:
    72 Inch
    Product Type:
    Exterior
    $214.99
    Qty in Cart: 0
    Price:
    $214.99
    Subtotal:
  • 4 X 70 Inch Blank Sleeper Extension Panels For Peterbilt 379, 388 & 389

    4 X 70 Inch Blank Sleeper Extension Panels For Peterbilt 379, 388 & 389

    VALLEY CHROME PLATING

    $132.99
    Valley Chrome Stainless Steel Blank 70 Inch Length 4 Inch Width Sleeper Extension Panels Fits PeterbiltAdd some shine to your truck with this pair of blank sleeper extensions. They are made of...
    01-1012010B001
    SKU:
    01-1012010B001
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Paintable
    Length Options:
    70 Inch
    Light Options:
    Without Lights
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $132.99
    Qty in Cart: 0
    Price:
    $132.99
    Subtotal:
  • 6.5 Inch Paintable Sleeper Panels W/ 14 - 3/4 Inch Round Amber/Clear Downglow LEDs

    6.5 Inch Paintable Sleeper Panels W/ 14 - 3/4 Inch Round Amber/Clear Downglow LEDs

    PHOENIX DESIGN

    $321.99
    6.5 Inch Paintable Sleeper Panels W/ 14 - 3/4 Inch Round Amber LED Clear Lens Downglow Lights* High Quality Sleeper Panels* Made Of Galvanized Steel* Paintable * 48/58 Inch* 6.5 Inch Tall * 7 3/4...
    01-101200497
    SKU:
    01-101200497
    Location:
    Made In USA
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Paintable
    Make:
    Peterbilt
    Length Options:
    58 Inch
    Product Type:
    Exterior
    $321.99
    Qty in Cart: 0
    Price:
    $321.99
    Subtotal:
  • 4 Inch Paintable Sleeper Panels W/ 14 - 3/4 Inch Round Downglow Light Holes For Peterbilt 378, 379, 389 & 389 Glider

    4 Inch Paintable Sleeper Panels W/ 14 - 3/4 Inch Round Downglow Light Holes For Peterbilt 378, 379, 389 & 389 Glider

    PHOENIX DESIGN

    $227.99
    4 Inch Paintable Sleeper Panels W/ 14 - 3/4 Inch Round Downglow Light Holes* High Quality Sleeper Panel* Made Of Galvanized Steel* Paintable* For 48 Or 58 Inch Sleepers * Includes:  - (7) 3/4 Inch...
    01-101200495
    SKU:
    01-101200495
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Finish Options:
    Paintable
    Make:
    Peterbilt
    Length Options:
    58 Inch
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $227.99
    Qty in Cart: 0
    Price:
    $227.99
    Subtotal:
  • 4 Inch Paintable Sleeper Panels W/ 14 - 3/4 Inch Round Amber/Clear Downglow LEDs

    4 Inch Paintable Sleeper Panels W/ 14 - 3/4 Inch Round Amber/Clear Downglow LEDs

    PHOENIX DESIGN

    $288.99
    4 Inch Paintable Sleeper Panels W/ 14 - 3/4 Inch Round Amber LED Clear Lens Downglow Lights* High Quality Sleeper Panels* Made Of Galvanized Steel* Amber LED/Clear Lens* Paintable * 48/58 Inch* 3...
    01-101200494
    SKU:
    01-101200494
    Location:
    Made In USA
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Paintable
    Make:
    Peterbilt
    Length Options:
    58 Inch
    Product Type:
    Exterior
    $288.99
    Qty in Cart: 0
    Price:
    $288.99
    Subtotal:
  • 4 Inch Paintable Sleeper Panels W/ 14 - 3/4 Inch Round Amber/Amber Downglow LEDs

    4 Inch Paintable Sleeper Panels W/ 14 - 3/4 Inch Round Amber/Amber Downglow LEDs

    PHOENIX DESIGN

    $288.99
    4 Inch Paintable Sleeper Panels W/ 14 - 3/4 Inch Round Amber LED Amber Lens Downglow Lights* High Quality Sleeper Panels* Made Of Galvanized Steel* Amber LED/Amber Lens* Paintable * 48/58 Inch* 3...
    01-101200493
    SKU:
    01-101200493
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Finish Options:
    Paintable
    Make:
    Peterbilt
    Length Options:
    58 Inch
    Product Type:
    Exterior
    $288.99
    Qty in Cart: 0
    Price:
    $288.99
    Subtotal:
  • 3 Inch Paintable Sleeper Panels W/ 14 - 3/4 Inch Round Downglow Light Holes

    3 Inch Paintable Sleeper Panels W/ 14 - 3/4 Inch Round Downglow Light Holes

    PHOENIX DESIGN

    $209.99
    3 Inch Paintable Sleeper Panels W/ 14 - 3/4 Inch Round Downglow Light Holes* High Quality Sleeper Panels* Made Of Galvanized Steel* Paintable * 48/58 Inch* 3 Inch Tall * 7 3/4 Inch Round Lights Per...
    01-101200492
    SKU:
    01-101200492
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Paintable
    Make:
    Peterbilt
    Length Options:
    58 Inch
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $209.99
    Qty in Cart: 0
    Price:
    $209.99
    Subtotal:
  • 3 Inch Paintable Sleeper Panels W/ 14 - 3/4 Inch Round Amber/Clear Downglow LEDs

    3 Inch Paintable Sleeper Panels W/ 14 - 3/4 Inch Round Amber/Clear Downglow LEDs

    PHOENIX DESIGN

    $277.99
    3 Inch Paintable Sleeper Panels W/ 14 - 3/4 Inch Round Amber LED Clear Lens Downglow Lights* High Quality Sleeper Panels* Made Of Galvanized Steel* Amber LED/Clear Lens* Paintable * 48/58 Inch* 3...
    01-101200491
    SKU:
    01-101200491
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Finish Options:
    Paintable
    Make:
    Peterbilt
    Length Options:
    58 Inch
    Product Type:
    Exterior
    $277.99
    Qty in Cart: 0
    Price:
    $277.99
    Subtotal:
  • Total: items /

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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