null

Peterbilt 388 Cab, Sleeper & Cowl Panels

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • On Sale
    Limited Quantity Available
    2.25 X 63 Inch Stainless Steel Sleeper Panels W/ Extensions & 20 M3 Light Holes For Peterbilt

    2.25 X 63 Inch Stainless Steel Sleeper Panels W/ Extensions & 20 M3 Light Holes For Peterbilt

    ROADWORKS

    Now: $106.05
    Was: $417.99
    RoadWorks Sleeper Panel W/ Extension & M3 Light Holes* High Quality Sleeper Panel* Made Of Stainless Steel* 63 Inch Sleeper* 2.25 Inch Tall * (12) Holes For M3 Lights Per Side* With Extension*...
    01-10123143
    SKU:
    01-10123143
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Length Options:
    63 Inch
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Peterbilt
    Light Options:
    Without Lights
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    Now: $106.05
    Was: $417.99
    Qty in Cart: 0
    Price:
    Now: $106.05
    Was: $417.99
    Subtotal:
  • 63 Inch Stainless Steel Blank Sleeper Panels For Peterbilt 388, 389, 389 Glider

    63 Inch Stainless Steel Blank Sleeper Panels For Peterbilt 388, 389, 389 Glider

    ROADWORKS

    $200.99
    RoadWorks 2.25 Inch Wide SS Blank Sleeper Panels* High Quality Sleeper Panel* Made Of Stainless Steel * 63 Inches* 2.25 Inch Wide* Matches Cab Bar 01-09123174 Or 01-09123175 With Cowl* Sold As Pair*...
    01-10123142
    SKU:
    01-10123142
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Length Options:
    63 Inch
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $200.99
    Qty in Cart: 0
    Price:
    $200.99
    Subtotal:
  • 3 Inch Stainless Steel Blank Sleeper Extension Panels For Peterbilt W/ 70/78 Inch Unibilt Sleepers W/ Extenders

    3 Inch Stainless Steel Blank Sleeper Extension Panels For Peterbilt W/ 70/78 Inch Unibilt Sleepers W/ Extenders

    PHOENIX DESIGN

    $80.99
    Stainless Steel Blank Sleeper Extension Panels Fit Peterbilt W/ 70/78 Inch Unibilt Sleepers* High Quality Sleeper Extension* Made Of 304 Stainless Steel * 3 Inch* Blank, No Lights * Made In USA* Sold...
    01-10123139
    SKU:
    01-10123139
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Exterior
    $80.99
    Qty in Cart: 0
    Price:
    $80.99
    Subtotal:
  • 3 X 70 Inch Blank Sleeper Panels For Peterbilt

    3 X 70 Inch Blank Sleeper Panels For Peterbilt

    PHOENIX DESIGN

    $171.99
    Sleeper Panel Fits Peterbilt* High Quality Sleeper Panel* Made Of 304 Stainless Steel* 70 Inch * 3 Inch Wide Blank* Sold As Pair* Warranty On Sleeper Panel Against Defects In Workmanship & Material...
    01-10123138
    SKU:
    01-10123138
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Paintable
    Make:
    Peterbilt
    Length Options:
    70 Inch
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $171.99
    Qty in Cart: 0
    Price:
    $171.99
    Subtotal:
  • 3 Inch Stainless Steel Blank Sleeper Extension Panel For Peterbilt 365, 367, 377, 378, 379, 384, 385, 386, 388 & 389 - Pair

    3 Inch Stainless Steel Blank Sleeper Extension Panel For Peterbilt 365, 367, 377, 378, 379, 384, 385, 386, 388 & 389 - Pair

    PHOENIX DESIGN

    $98.99
    Peterbilt Stainless Steel Blank Sleeper Extension Panel* High Quality Sleeper Extender Trim* Made Of 304 Stainless Steel* 3 Inch Wide Blank* Sold As Pair* Warranty On Sleeper Extender Trim Against...
    01-10123137
    SKU:
    01-10123137
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Exterior
    $98.99
    Qty in Cart: 0
    Price:
    $98.99
    Subtotal:
  • 3 Inch Stainless Steel Blank Sleeper Panels For Peterbilt W/ 63/72 Unibilt Sleepers No Extenders

    3 Inch Stainless Steel Blank Sleeper Panels For Peterbilt W/ 63/72 Unibilt Sleepers No Extenders

    PHOENIX DESIGN

    $247.99
    Stainless Steel Blank Sleeper Panels Fit Peterbilt W/ 63/72 Unibilt Sleepers* High Quality Sleeper Panels * Made Of 304 Stainless Steel * 3 Inch* Blank, No Lights * Made In USA* Sold As Pair *...
    01-10123136
    SKU:
    01-10123136
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Peterbilt
    Length Options:
    72 Inch
    Light Options:
    Without Lights
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $247.99
    Qty in Cart: 0
    Price:
    $247.99
    Subtotal:
  • 3 Inch Stainless Steel Sleeper Extension Panels W/ P1 Light Hole For Peterbilt 365, 367, 377, 379, 384, 385, 386, 388, 389

    3 Inch Stainless Steel Sleeper Extension Panels W/ P1 Light Hole For Peterbilt 365, 367, 377, 379, 384, 385, 386, 388, 389

    PHOENIX DESIGN

    $112.99
    Sleeper Extension Panels W/ 2 P1 Light Holes Fits Peterbilt W/ Unibilt Sleeper* High Quality Sleeper Extender Panels* Made Of 304 Stainless Steel * 3 Inch Tall* 12 Inch Light Spacing* 1 P1 Light Hole...
    01-10123135
    SKU:
    01-10123135
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Peterbilt
    Length Options:
    72 Inch
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $112.99
    Qty in Cart: 0
    Price:
    $112.99
    Subtotal:
  • CLR SS 3 Inch Sleeper Extensions W/ 2 P1 Amber/Clear LED Lights For Peterbilt W/ 70/78 Inch Unibilt Sleepers W/ Extenders

    CLR SS 3 Inch Sleeper Extensions W/ 2 P1 Amber/Clear LED Lights For Peterbilt W/ 70/78 Inch Unibilt Sleepers W/ Extenders

    PHOENIX DESIGN

    $113.99
    Sleeper Extension Panels W/ 2 P1 Amber LED Clear Lens LED Lights Fit Peterbilt W/ 70/78 Inch Unibilt Sleepers* High Quality Sleeper Extension* Made Of 304 Stainless Steel * 3 Inch* With 1 P1...
    01-10123122
    SKU:
    01-10123122
    Location:
    Made In USA
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Exterior
    $113.99
    Qty in Cart: 0
    Price:
    $113.99
    Subtotal:
  • 3 Inch Sleeper Panels W/ 12 P1 Amber/Clear LED Lights For Peterbilt W/ 63/72 Inch Unibilt Sleepers No Extenders

    3 Inch Sleeper Panels W/ 12 P1 Amber/Clear LED Lights For Peterbilt W/ 63/72 Inch Unibilt Sleepers No Extenders

    PHOENIX DESIGN

    $482.99
    Sleeper Panels W/ 12 P1 Amber LED Clear Lens Lights Fits Peterbilt W/ 63-72 Inch Unibilt Sleeper* High Quality Sleeper Panels * Made Of 304 Stainless Steel * 3 Inch* With 12 P1 Amber/Clear LED Lights...
    01-10123121
    SKU:
    01-10123121
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Peterbilt
    Length Options:
    72 Inch
    Product Type:
    Exterior
    $482.99
    Qty in Cart: 0
    Price:
    $482.99
    Subtotal:
  • 3 Inch Stainless Steel Sleeper Extension Panel W/ 2 P1 Amber/Amber LED Lights For Peterbilt 365, 367, 377, 378, 379, 384, 385, 386, 388, 389 - Pair

    3 Inch Stainless Steel Sleeper Extension Panel W/ 2 P1 Amber/Amber LED Lights For Peterbilt 365, 367, 377, 378, 379, 384, 385, 386, 388, 389 - Pair

    PHOENIX DESIGN

    $195.99
    Sleeper Extension Panels W/ 4 Amber/Amber LED Lights Fits Peterbilt W/ Unibilt Sleeper - 12 Inch Spacing* High Quality Sleeper Extender Panels* Made Of 304 Stainless Steel * 3 Inch Tall* 12 Inch...
    01-10123113
    SKU:
    01-10123113
    Location:
    Made In USA
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Product Type:
    Exterior
    $195.99
    Qty in Cart: 0
    Price:
    $195.99
    Subtotal:
  • 3 Inch Sleeper Panels W/ 10 P1 Amber/Amber LED Lights For Peterbilt W/ 63/72 Inch Unibilt Sleepers No Extenders

    3 Inch Sleeper Panels W/ 10 P1 Amber/Amber LED Lights For Peterbilt W/ 63/72 Inch Unibilt Sleepers No Extenders

    PHOENIX DESIGN

    $441.99
    Sleeper Panels W/ 10 P1 Amber LED Amber Lens Lights Fits Peterbilt W/ 63-72 Inch Unibilt SleeperThese 3-inch Sleeper Panels fit Peterbilt's 63 and 72-inch Unibilt Sleepers without extenders. Each...
    01-10123112
    SKU:
    01-10123112
    Location:
    Made In USA
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Peterbilt
    Length Options:
    72 Inch
    Product Type:
    Exterior
    $441.99
    Qty in Cart: 0
    Price:
    $441.99
    Subtotal:
  • 36 Inch Stainless Steel Sleeper Panels W/ 6 P1 Amber/Amber LEDs For Peterbilt 357, 365, 367, 378, 379, 384, 385, 386, 388, 389, 567

    36 Inch Stainless Steel Sleeper Panels W/ 6 P1 Amber/Amber LEDs For Peterbilt 357, 365, 367, 378, 379, 384, 385, 386, 388, 389, 567

    PHOENIX DESIGN

    $308.99
    36 Inch Stainless Sleeper Panels W/ 6 P1 Amber LED Amber Lens Lights Fit Peterbilt 388* High Quality Sleeper Panel* Made Of 304 Stainless Steel * 3 P1 Lights Per Side* Amber LED/Amber Lens* 36/44...
    01-10123111
    SKU:
    01-10123111
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Light Options:
    With Lights
    Finish Options:
    Polished
    Make:
    Peterbilt
    Length Options:
    44 Inch
    Product Type:
    Exterior
    $308.99
    Qty in Cart: 0
    Price:
    $308.99
    Subtotal:
  • 70 Inch Stainless Steel Sleeper Extension Panels W/ 2 Inch Cutout W/ Pigtail For Peterbilt 357, 365, 367, 378, 379, 384, 385, 386, 388, 389, 567

    70 Inch Stainless Steel Sleeper Extension Panels W/ 2 Inch Cutout W/ Pigtail For Peterbilt 357, 365, 367, 378, 379, 384, 385, 386, 388, 389, 567

    PHOENIX DESIGN

    $98.99
    70 Inch SS Sleeper Extension Panels W/ 2 Inch Light Cutout W/ Pigtail For Peterbilt* High Quality Sleeper Extension Panels* 70 Inch * With 1 - 2 Inch Light Cutout * With Pigtail* Sold Individually*...
    01-10123110
    SKU:
    01-10123110
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Peterbilt
    Length Options:
    70 Inch
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $98.99
    Qty in Cart: 0
    Price:
    $98.99
    Subtotal:
  • 70 Inch Sleeper Panels W/ Eight 2 Inch Rnd Light Holes Per Side For Peterbilt 357, 365, 367, 378, 379, 384, 385, 386, 388, 389, 567

    70 Inch Sleeper Panels W/ Eight 2 Inch Rnd Light Holes Per Side For Peterbilt 357, 365, 367, 378, 379, 384, 385, 386, 388, 389, 567

    PHOENIX DESIGN

    $278.99
    Peterbilt 70 Inch Sleeper Panels W/ Round Light Holes And Pigtails* High Quality Sleeper Panels* 70 Inch* With (8) 2 Inch Round Light Holes Per Side And Pigtails* Sold As Pair* Warranty On Sleeper...
    01-10123109
    SKU:
    01-10123109
    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
    $278.99
    Qty in Cart: 0
    Price:
    $278.99
    Subtotal:
  • 3 Inch Sleeper Extensions W/ 2 P1 Amber/Amber LED Lights For Peterbilt 357, 365, 367, 378, 379, 384, 385, 386, 388, 389, 567 W/ 70/78 Inch Unibilt Sleepers

    3 Inch Sleeper Extensions W/ 2 P1 Amber/Amber LED Lights For Peterbilt 357, 365, 367, 378, 379, 384, 385, 386, 388, 389, 567 W/ 70/78 Inch Unibilt Sleepers

    PHOENIX DESIGN

    $113.99
    Sleeper Extension Panels W/ 2 P1 Amber LED Amber Lens Lights* High Quality Sleeper Extension* Made Of 304 Stainless Steel * 3 Inch* With 1 P1 Amber/Amber LED Lights Per Side * 12 Inch Light Spacing *...
    01-10123105
    SKU:
    01-10123105
    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
    $113.99
    Qty in Cart: 0
    Price:
    $113.99
    Subtotal:
  • 3 Inch Sleeper Panels W/ 12 P1 Amber/Amber LED Lights For Peterbilt 357, 365, 367, 378, 379, 384, 385, 386, 388, 389 W/ 70/78 Inch Unibilt Sleepers No Extenders

    3 Inch Sleeper Panels W/ 12 P1 Amber/Amber LED Lights For Peterbilt 357, 365, 367, 378, 379, 384, 385, 386, 388, 389 W/ 70/78 Inch Unibilt Sleepers No Extenders

    PHOENIX DESIGN

    $509.99
    Stainless Sleeper Panels W/ 12 P1 Amber LED Amber Lens LED Lights Fit Peterbilt W/ 70/78 Inch Unibilt SleepersCheck out our stainless steel sleeper panels, designed for durability and style. Each...
    01-10123104
    SKU:
    01-10123104
    Light Options:
    With Lights
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Length Options:
    78 Inch
    Make:
    Peterbilt
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $509.99
    Qty in Cart: 0
    Price:
    $509.99
    Subtotal:
  • 70 Inch Sleeper Ext. W/ One M1 Cutout On Each Panel For Peterbilt 357, 365, 367, 378, 379, 384, 385, 386, 388, 389, 567

    70 Inch Sleeper Ext. W/ One M1 Cutout On Each Panel For Peterbilt 357, 365, 367, 378, 379, 384, 385, 386, 388, 389, 567

    PHOENIX DESIGN

    $94.99
    Peterbilt 70 Inch Sleeper Ext. Panels* High Quality Sleeper Extension* With 1 M1 Cut Out On Each Panel* 70 Inch* Sold As Pair* Warranty On Sleeper Extensions Against Defects In Workmanship & Material...
    01-10123103
    SKU:
    01-10123103
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Length Options:
    70 Inch
    Make:
    Peterbilt
    Finish Options:
    Polished
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $94.99
    Qty in Cart: 0
    Price:
    $94.99
    Subtotal:
  • 4 Inch Wide Stainless Steel Blank Cowl Panels For Peterbilt 388

    4 Inch Wide Stainless Steel Blank Cowl Panels For Peterbilt 388

    PHOENIX DESIGN

    $283.99
    4 Inch Wide Stainless Steel Blank Cowl Panels Fits Peterbilt 388* High Quality Cowl Panels * Made Of 304 Stainless Steel * Blank* 4 Inch* Sold As Pair* Made In USA* Warranty On Cowl Panels Against...
    01-10123091
    SKU:
    01-10123091
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Peterbilt
    Length Options:
    20 Inch
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $283.99
    Qty in Cart: 0
    Price:
    $283.99
    Subtotal:
  • 3 X 70 Inch Stainless Steel Sleeper Extension Panels W/ 4 - 2 Inch Light Hole Cutouts For Peterbilt 365, 367, 378, 379, 384, 386, 387, 388, 389, 587

    3 X 70 Inch Stainless Steel Sleeper Extension Panels W/ 4 - 2 Inch Light Hole Cutouts For Peterbilt 365, 367, 378, 379, 384, 386, 387, 388, 389, 587

    PHOENIX DESIGN

    $103.99
    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 2 Holes For...
    01-10123084
    SKU:
    01-10123084
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Length Options:
    70 Inch
    Make:
    Peterbilt
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $103.99
    Qty in Cart: 0
    Price:
    $103.99
    Subtotal:
  • Stainless Steel Sleeper Extension Panels W/ 8 - 2 Inch Light Holes For Peterbilt 365, 367, 377, 378, 379, 384, 385, 386, 388, 389 Sleeper

    Stainless Steel Sleeper Extension Panels W/ 8 - 2 Inch Light Holes For Peterbilt 365, 367, 377, 378, 379, 384, 385, 386, 388, 389 Sleeper

    PHOENIX DESIGN

    $145.99
    Sleeper Extension Panels Fits Peterbilt* High Quality Sleeper Extension Panels* Made Of 304 Stainless Steel* For 36, 48 And 63 Inch Sleeper* Fits 3 Inch Tall Sleeper Panels* With 4 Holes For Round...
    01-10123083
    SKU:
    01-10123083
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Length Options:
    63 Inch
    Finish Options:
    Polished
    Make:
    Peterbilt
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $145.99
    Qty in Cart: 0
    Price:
    $145.99
    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.


Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!