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Peterbilt 388 Cab, Sleeper & Cowl Panels

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • 4 Inch SS Sleeper Panels W/ 10 Amber/Clear P3 LEDs For Peterbilt W/ 36/44 Inch Unibilt Sleeper

    4 Inch SS Sleeper Panels W/ 10 Amber/Clear P3 LEDs For Peterbilt W/ 36/44 Inch Unibilt Sleeper

    PHOENIX DESIGN

    $453.99
    4 Inch Stainless Steel Sleeper Panels Fits Peterbilt W/ 36/44 Inch Unibilt Sleeper - No Extenders* High Quality Sleeper Panels* Made Of High Quality 304 Stainless Steel* 4 Inch* 5 P3 Amber LEDs Per...
    01-101200159
    SKU:
    01-101200159
    Location:
    Made In USA
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Length Options:
    44 Inch
    Product Type:
    Exterior
    $453.99
    Qty in Cart: 0
    Price:
    $453.99
    Subtotal:
  • 4 Inch SS Sleeper Panels W/ 10 Amber/Amber P3 LEDs For Peterbilt W/ 36/44 Inch Unibilt Sleeper

    4 Inch SS Sleeper Panels W/ 10 Amber/Amber P3 LEDs For Peterbilt W/ 36/44 Inch Unibilt Sleeper

    PHOENIX DESIGN

    $401.99
    4 Inch Stainless Steel Sleeper Panels Fits Peterbilt W/ 36/44 Inch Unibilt Sleeper - No Extenders* High Quality Sleeper Panels* Made Of High Quality 304 Stainless Steel* 4 Inch* 5 P3 Amber LEDs Per...
    01-101200158
    SKU:
    01-101200158
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Length Options:
    44 Inch
    Product Type:
    Exterior
    $401.99
    Qty in Cart: 0
    Price:
    $401.99
    Subtotal:
  • 4 Inch SS Sleeper Panels W/ 10 Amber/Clear 3/4 Inch Round LEDs For Peterbilt W/ 36/44 Inch Unibilt Sleeper

    4 Inch SS Sleeper Panels W/ 10 Amber/Clear 3/4 Inch Round LEDs For Peterbilt W/ 36/44 Inch Unibilt Sleeper

    PHOENIX DESIGN

    $376.99
    4 Inch Stainless Steel Sleeper Panels Fits Peterbilt W/ 36/44 Inch Unibilt Sleeper - No Extenders* High Quality Sleeper Panels* Made Of High Quality 304 Stainless Steel* 4 Inch* 5 - 3/4 Inch Amber...
    01-101200157
    SKU:
    01-101200157
    Location:
    Made In USA
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Length Options:
    44 Inch
    Product Type:
    Exterior
    $376.99
    Qty in Cart: 0
    Price:
    $376.99
    Subtotal:
  • 4 Inch SS Sleeper Panels W/ 10 Amber/Amber 3/4 Inch Round LEDs For Peterbilt W/ 36/44 Inch Unibilt Sleeper

    4 Inch SS Sleeper Panels W/ 10 Amber/Amber 3/4 Inch Round LEDs For Peterbilt W/ 36/44 Inch Unibilt Sleeper

    PHOENIX DESIGN

    $376.99
    4 Inch Stainless Steel Sleeper Panels Fits Peterbilt W/ 36/44 Inch Unibilt Sleeper - No Extenders* High Quality Sleeper Panels* Made Of High Quality 304 Stainless Steel* 4 Inch* 5 - 3/4 Inch Amber...
    01-101200156
    SKU:
    01-101200156
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Length Options:
    44 Inch
    Product Type:
    Exterior
    $376.99
    Qty in Cart: 0
    Price:
    $376.99
    Subtotal:
  • 48 Inch Sleeper Panels W/ 20 - 3/4 Inch Amber Lights For Peterbilt 379, 388, 389 Flat Top

    48 Inch Sleeper Panels W/ 20 - 3/4 Inch Amber Lights For Peterbilt 379, 388, 389 Flat Top

    ROADWORKS

    $582.99
    Sleeper Panels W/ 20 - 3/4 Inch Amber LED Lights Fits Peterbilt 379, 388, 389 Flat Top W/ 48 Inch Sleeper* High Quality Sleeper Panels * Made Of 430 Stainless Steel * 48 Inch Length* With 20 - 3/4...
    01-101200130
    SKU:
    01-101200130
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Light Options:
    With Lights
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Paintable
    Product Type:
    Exterior
    $582.99
    Qty in Cart: 0
    Price:
    $582.99
    Subtotal:
  • 3 Inch Sleeper Extensions W/ 4 P1 Amber/Clear LEDs For Peterbilt 36/44/48/58/63/72 Inch Unibilt Sleepers

    3 Inch Sleeper Extensions W/ 4 P1 Amber/Clear LEDs For Peterbilt 36/44/48/58/63/72 Inch Unibilt Sleepers

    PHOENIX DESIGN

    $195.99
    Stainless Sleeper Extension Panels W/ 4 P1 Amber LED Clear Lens LEDs Fit Peterbilt 36/44/48/58/63/72 Inch Unibilt* High Quality Sleeper Extension* Made Of 304 Stainless Steel * 3 Inch* With 2 P1...
    01-101200129
    SKU:
    01-101200129
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Exterior
    $195.99
    Qty in Cart: 0
    Price:
    $195.99
    Subtotal:
  • 3 Inch Sleeper Extensions W/ 1 - 2 Inch Amber/Clear LED Lights For Peterbilt W/ 70/78 Inch Unibilt Sleepers

    3 Inch Sleeper Extensions W/ 1 - 2 Inch Amber/Clear LED Lights For Peterbilt W/ 70/78 Inch Unibilt Sleepers

    PHOENIX DESIGN

    $105.99
    Stainless Sleeper Extension Panels W/ 1 - 2 Inch Amber LED Clear Lens LED Lights Fit Peterbilt W/ 70/78 Inch Unibilt* High Quality Sleeper Extension* Made Of 304 Stainless Steel * 3 Inch* With 1 - 2...
    01-101200128
    SKU:
    01-101200128
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Exterior
    $105.99
    Qty in Cart: 0
    Price:
    $105.99
    Subtotal:
  • 3 Inch Sleeper Extensions W/ 4 P3 Amber/Clear LED Lights For Peterbilt W/ 70/78 Inch Unibilt Sleepers

    3 Inch Sleeper Extensions W/ 4 P3 Amber/Clear LED Lights For Peterbilt W/ 70/78 Inch Unibilt Sleepers

    PHOENIX DESIGN

    $156.99
    Stainless Sleeper Extension Panels W/ 4 P3 Amber LED Clear Lens LED Lights Fit Peterbilt W/ 70/78 Inch Unibilt* High Quality Sleeper Extension* Made Of 304 Stainless Steel * 3 Inch* With 2 P3...
    01-101200127
    SKU:
    01-101200127
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Exterior
    $156.99
    Qty in Cart: 0
    Price:
    $156.99
    Subtotal:
  • 3 Inch Sleeper Extensions W/ 4 P3 Amber/Amber LED Lights For Peterbilt W/ 70/78 Inch Unibilt Sleepers

    3 Inch Sleeper Extensions W/ 4 P3 Amber/Amber LED Lights For Peterbilt W/ 70/78 Inch Unibilt Sleepers

    PHOENIX DESIGN

    $156.99
    Stainless Sleeper Extension Panels W/ 4 P3 Amber LED Amber Lens LED Lights Fit Peterbilt W/ 70/78 Inch Unibilt* High Quality Sleeper Extension* Made Of 304 Stainless Steel * 3 Inch* With 2 P3...
    01-101200126
    SKU:
    01-101200126
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Exterior
    $156.99
    Qty in Cart: 0
    Price:
    $156.99
    Subtotal:
  • 3 Inch Sleeper Extensions W/ 6 - 2 Inch Amber/Clear LEDs For Peterbilt 36/44/48/58/63/72 Inch Unibilt Sleepers

    3 Inch Sleeper Extensions W/ 6 - 2 Inch Amber/Clear LEDs For Peterbilt 36/44/48/58/63/72 Inch Unibilt Sleepers

    PHOENIX DESIGN

    $212.99
    Stainless Sleeper Extension Panels W/ 6 - 2 Inch Amber LED Clear Lens LEDs Fit Peterbilt 36/44/48/58/63/72 Inch Unibilt* High Quality Sleeper Extension* Made Of 304 Stainless Steel * 3 Inch* With 3 -...
    01-101200125
    SKU:
    01-101200125
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $212.99
    Qty in Cart: 0
    Price:
    $212.99
    Subtotal:
  • 3 Inch Sleeper Extensions W/ 6 P3 Amber/Clear LEDs For Peterbilt 36/44/48/58/63/72 Inch Unibilt Sleepers

    3 Inch Sleeper Extensions W/ 6 P3 Amber/Clear LEDs For Peterbilt 36/44/48/58/63/72 Inch Unibilt Sleepers

    PHOENIX DESIGN

    $212.99
    Stainless Sleeper Extension Panels W/ 6 P3 Amber LED Clear Lens LEDs Fit Peterbilt 36/44/48/58/63/72 Inch Unibilt* High Quality Sleeper Extension* Made Of 304 Stainless Steel * 3 Inch* With 3 P3...
    01-101200124
    SKU:
    01-101200124
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Exterior
    $212.99
    Qty in Cart: 0
    Price:
    $212.99
    Subtotal:
  • 3 Inch Sleeper Extensions W/ 6 P3 Amber/Amber LEDs For Peterbilt 36/44/48/58/63/72 Inch Unibilt Sleepers

    3 Inch Sleeper Extensions W/ 6 P3 Amber/Amber LEDs For Peterbilt 36/44/48/58/63/72 Inch Unibilt Sleepers

    PHOENIX DESIGN

    $188.99
    Stainless Sleeper Extension Panels W/ 6 P3 Amber LED Amber Lens LEDs Fit Peterbilt 36/44/48/58/63/72 Inch Unibilt* High Quality Sleeper Extension* Made Of 304 Stainless Steel * 3 Inch* With 3 P3...
    01-101200123
    SKU:
    01-101200123
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Exterior
    $188.99
    Qty in Cart: 0
    Price:
    $188.99
    Subtotal:
  • 3 Inch Sleeper Extensions W/ 6 P1 Amber/Clear LEDs For Peterbilt 36/44/48/58/63/72 Inch Unibilt Sleepers

    3 Inch Sleeper Extensions W/ 6 P1 Amber/Clear LEDs For Peterbilt 36/44/48/58/63/72 Inch Unibilt Sleepers

    PHOENIX DESIGN

    $243.99
    Stainless Sleeper Extension Panels W/ 6 P1 Amber LED Clear Lens LEDs Fit Peterbilt 36/44/48/58/63/72 Inch Unibilt* High Quality Sleeper Extension* Made Of 304 Stainless Steel * 3 Inch* With 3 P1...
    01-101200122
    SKU:
    01-101200122
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Exterior
    $243.99
    Qty in Cart: 0
    Price:
    $243.99
    Subtotal:
  • 3 In. Sleeper Panels W/ 16 - 2 In. Amber/Clear LED Lights For Peterbilt W/ 70/78 In. Unibilt Sleeper No Extenders

    3 In. Sleeper Panels W/ 16 - 2 In. Amber/Clear LED Lights For Peterbilt W/ 70/78 In. Unibilt Sleeper No Extenders

    PHOENIX DESIGN

    $444.99
    Sleeper Panels W/ 16 - 2 In. Amber LED Clear Lens LED Lights Fit Peterbilt W/ 70/78 In. Unibilt Sleeper No Extenders* High Quality Sleeper Panels * Made Of 304 Stainless Steel * 3 Inch* With 8 -2...
    01-101200121
    SKU:
    01-101200121
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Length Options:
    78 Inch
    Product Type:
    Exterior
    $444.99
    Qty in Cart: 0
    Price:
    $444.99
    Subtotal:
  • 3 In. Sleeper Panels W/ 16 P3 Amber/Amber LED Lights For Peterbilt W/ 70/78 In. Unibilt Sleeper No Extenders

    3 In. Sleeper Panels W/ 16 P3 Amber/Amber LED Lights For Peterbilt W/ 70/78 In. Unibilt Sleeper No Extenders

    PHOENIX DESIGN

    $444.99
    Sleeper Panels W/ 16 P3 Amber LED Amber Lens LED Lights Fit Peterbilt W/ 70/78 In. Unibilt Sleeper No Extenders* High Quality Sleeper Panels * Made Of 304 Stainless Steel * 3 Inch* With 8 P3...
    01-101200120
    SKU:
    01-101200120
    Location:
    Made In USA
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Length Options:
    78 Inch
    Product Type:
    Exterior
    $444.99
    Qty in Cart: 0
    Price:
    $444.99
    Subtotal:
  • 3 In. Sleeper Panels W/ 16 P1 Amber/Amber LED Lights For Peterbilt W/ 70/78 In. Unibilt Sleeper No Extenders

    3 In. Sleeper Panels W/ 16 P1 Amber/Amber LED Lights For Peterbilt W/ 70/78 In. Unibilt Sleeper No Extenders

    PHOENIX DESIGN

    $513.99
    Sleeper Panels W/ 16 P1 Amber LED Amber Lens LED Lights Fit Peterbilt W/ 70/78 In. Unibilt Sleeper No Extenders* High Quality Sleeper Panels * Made Of 304 Stainless Steel * 3 Inch* With 8 P1...
    01-101200119
    SKU:
    01-101200119
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Length Options:
    78 Inch
    Product Type:
    Exterior
    $513.99
    Qty in Cart: 0
    Price:
    $513.99
    Subtotal:
  • 3 In. Sleeper Panels W/ 14 - 2 In. Amber/Clear LED Lights For Peterbilt W/ 63/72 In. Unibilt Sleeper No Extenders

    3 In. Sleeper Panels W/ 14 - 2 In. Amber/Clear LED Lights For Peterbilt W/ 63/72 In. Unibilt Sleeper No Extenders

    PHOENIX DESIGN

    $410.99
    Sleeper Panels W/ 14 - 2 In. Amber LED Clear Lens LED Lights Fit Peterbilt W/ 63/72 In. Unibilt Sleeper No Extenders* High Quality Sleeper Panels * Made Of 304 Stainless Steel * 3 Inch* With 7 - 2...
    01-101200118
    SKU:
    01-101200118
    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
    Ready To Ship:
    Yes
    $410.99
    Qty in Cart: 0
    Price:
    $410.99
    Subtotal:
  • 3 In. Sleeper Panels W/ 14 P3 Amber/Clear LED Lights For Peterbilt W/ 63/72 In. Unibilt Sleeper No Extenders

    3 In. Sleeper Panels W/ 14 P3 Amber/Clear LED Lights For Peterbilt W/ 63/72 In. Unibilt Sleeper No Extenders

    PHOENIX DESIGN

    $410.99
    Sleeper Panels W/ 14 P3 Amber LED Clear Lens LED Lights Fit Peterbilt W/ 63/72 In. Unibilt Sleeper No Extenders* High Quality Sleeper Panels * Made Of 304 Stainless Steel * 3 Inch* With 7 P3...
    01-101200117
    SKU:
    01-101200117
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Length Options:
    72 Inch
    Product Type:
    Exterior
    $410.99
    Qty in Cart: 0
    Price:
    $410.99
    Subtotal:
  • 3 In. Sleeper Panels W/ 14 P3 Amber/Amber LED Lights For Peterbilt W/ 63/72 In. Unibilt Sleeper No Extenders

    3 In. Sleeper Panels W/ 14 P3 Amber/Amber LED Lights For Peterbilt W/ 63/72 In. Unibilt Sleeper No Extenders

    PHOENIX DESIGN

    $410.99
    Sleeper Panels W/ 14 P3 Amber LED Amber Lens LED Lights Fit Peterbilt W/ 63/72 In. Unibilt Sleeper No Extenders* High Quality Sleeper Panels * Made Of 304 Stainless Steel * 3 Inch* With 7 P3...
    01-101200116
    SKU:
    01-101200116
    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
    $410.99
    Qty in Cart: 0
    Price:
    $410.99
    Subtotal:
  • 3 In. Sleeper Panels W/ 14 P1 Amber/Clear LED Lights For Peterbilt W/ 63/72 In. Unibilt Sleeper No Extenders

    3 In. Sleeper Panels W/ 14 P1 Amber/Clear LED Lights For Peterbilt W/ 63/72 In. Unibilt Sleeper No Extenders

    PHOENIX DESIGN

    $470.99
    Sleeper Panels W/ 14 P1 Amber LED Clear Lens LED Lights Fit Peterbilt W/ 63/72 In. Unibilt Sleeper No Extenders* High Quality Sleeper Panels * Made Of 304 Stainless Steel * 3 Inch* With 7 P1...
    01-101200115
    SKU:
    01-101200115
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Length Options:
    72 Inch
    Product Type:
    Exterior
    $470.99
    Qty in Cart: 0
    Price:
    $470.99
    Subtotal:
  • Total: items /

Adding your products to cart

Upgrade Your Peterbilt Sleeper with stainless Steel Wrap Panels

This product lineup offers a wide selection of custom replacement panels and kits for the Peterbilt 388 and 389 models. From standard cab to extended sleeper configurations, these stainless steel and aluminum panels can enhance the appearance and functionality of your Peterbilt truck. Choose from a variety of lighting options, including amber LED accents, to create a unique look. Personalize your rig with blank panels or opt for panels with pre-drilled holes to easily install LED lights, mirrors, and other accessories. Aluminum and stainless steel wrap panels are the perfect accent piece for your fuel tank brackets or your exterior sleeper siding. Whether you need a simple replacement or a full cab/sleeper makeover, this product lineup has the premium quality parts to get the job done.

Frequently Asked Questions About Peterbilt 388 Cab, Sleeper & Cowl Panels

What is included in this category?

This category covers exterior sheet metal and structural panels for the Peterbilt 388, including cab corner panels, sleeper panels, cowl panels, and related trim pieces. These parts are used to repair rust, collision damage, or general wear on the cab and sleeper sections of the truck.

Will these panels fit my specific Peterbilt 388 without modification?

Panels are designed to match factory dimensions for the Peterbilt 388, but fitment can vary depending on the model year, cab configuration, and whether your truck has a factory or aftermarket sleeper. We recommend checking the listed specifications and measurements against your truck, or contacting our parts team to confirm fitment before you order.

What material are these panels made from, and how do they compare to OEM?

Most cab, sleeper, and cowl panels in this category are made from steel or aluminum, matching the material used in the original factory panels. Gauge and finish can vary by manufacturer, so check the product description for specifics like material type and whether the panel comes primed, coated, or unfinished.

Do these panels come painted, primed, or bare metal?

This depends on the individual product. Some panels ship primed and ready for paint, while others are bare metal requiring prep work before finishing. If color match or paint-ready condition matters for your job, check the product listing details or reach out to us before purchasing.

Can I install these panels myself, or do I need a body shop?

Many cowl and trim panels are bolt-on and can be installed with basic tools and some mechanical experience. Larger cab or sleeper panels that involve welding, cutting, or structural fitment are best handled by a qualified body shop or technician, especially if the repair involves matching factory seams or maintaining structural integrity.


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