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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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  • 3 Inch Stainless Steel Cab Panel For Peterbilt 379 W/ Short Hood

    3 Inch Stainless Steel Cab Panel For Peterbilt 379 W/ Short Hood

    ARANDA TRUCK ACCESSORIES

    $216.99 - $260.99
    Choose Option(s) to see description.Fitment* Fits Peterbilt 379 1987 thru 2007* Fits Peterbilt 388 2008 thru 20143 Inch Stainless Steel Cab Panel W/ 2 Inch Light Holes For Peterbilt 379 & 3883 Inch...
    PPR_299540
    SKU:
    PPR_299540
    Location:
    Made In USA
    Style Options:
    Short Hood
    Light Options:
    Without Lights
    Size Options:
    18 Gauge
    Material Options:
    Stainless Steel
    Style Options:
    Wrap Around End
    Height Options:
    3 Inch
    Product Type:
    Exterior
    Make:
    Peterbilt
    $216.99 - $260.99
    Qty in Cart: 0
    Price:
    $216.99 - $260.99
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  • Minimizer Lift Axle Mounting Kit For 13,000 Lb Steerable Hendrickson W/ 4 Bolt Cam Flange & Drum Brakes

    Minimizer Lift Axle Mounting Kit For 13,000 Lb Steerable Hendrickson W/ 4 Bolt Cam Flange & Drum Brakes

    MINIMIZER

    $796.99
    Lift Axle Mounting Kit By MinimizerStrengthen and stabilize your Hendrickson lift axle system with the Minimizer Lift Axle Mounting Kit, designed for 13,000 lb steerable axles with 4 bolt cam flange...
    29-05200046
    SKU:
    29-05200046
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $796.99
    Qty in Cart: 0
    Price:
    $796.99
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  • Black Poly Single Axle Fender W/ Underside Ribs For 22 - 24 Inch Wheel Size

    Black Poly Single Axle Fender W/ Underside Ribs For 22 - 24 Inch Wheel Size

    TRAMEC SLOAN

    $421.99
    Poly Single Axle Fender Black W/ Underside RibsThe Black Poly Single Axle Fender for 22-24 Inch Wheels delivers high-strength protection and corrosion-free performance for your trailer's stationary...
    09-110500497
    SKU:
    09-110500497
    Color:
    Black
    Material Options:
    Plastic/Poly
    Product Type:
    Exterior
    Make:
    Universal Items
    $421.99
    Qty in Cart: 0
    Price:
    $421.99
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  • TPHD 66 Inch Stainless Steel 3 Rib Full Radius Fender W/ 2 Inch Flange

    TPHD 66 Inch Stainless Steel 3 Rib Full Radius Fender W/ 2 Inch Flange

    TPHD

    $448.99
    66 Inch Full Radius Fender W/ 2 Inch Flange By TPHDThe TPHD 66 Inch Stainless Steel 3 Rib Full Radius Fender with 2 Inch Flange delivers reliable wheel protection and professional-grade style. Built...
    09-110301012
    SKU:
    09-110301012
    Material Options:
    Stainless Steel
    Product Type:
    Exterior
    Size Options:
    16 Gauge
    Make:
    Universal Items
    $448.99
    Qty in Cart: 0
    Price:
    $448.99
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  • TPHD 80 Inch Stainless Steel Single Axle Fender W/ 1.5 Inch Flange

    TPHD 80 Inch Stainless Steel Single Axle Fender W/ 1.5 Inch Flange

    TPHD

    $593.99
    80 Inch Single Axle Fender W/ 1.5 Inch Flange By TPHDDrive with confidence knowing your trailer is equipped with the TPHD 80 Inch Stainless Steel Single Axle Fender, engineered for robust wheel...
    09-110301016
    SKU:
    09-110301016
    Length Options:
    80 Inch
    Style Options:
    Flanged
    Material Options:
    Stainless Steel
    Product Type:
    Exterior
    Size Options:
    16 Gauge
    Make:
    Universal Items
    $593.99
    Qty in Cart: 0
    Price:
    $593.99
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  • 16 X 1.92 X 6 Inch Smooth Aluminum Light Box W/ 2 Round 4 Inch Light Holes

    16 X 1.92 X 6 Inch Smooth Aluminum Light Box W/ 2 Round 4 Inch Light Holes

    ICONIC

    $129.99
    16 X 1.92 X 6 Inch Light Box W/ 2 Round Light HolesBuilt for heavy-duty use and clean installation, this 16 x 1.92 x 6 Inch Smooth Aluminum Light Box with Dual 4 Inch Light Holes provides a durable...
    09-02100039
    SKU:
    09-02100039
    Product Type:
    Cargo Control
    Height Options:
    2 Inch
    Length Options:
    6 Inch
    Width Options:
    16 Inch
    Light Options:
    Without Lights
    Finish Options:
    Smooth
    Material Options:
    Aluminum
    Make:
    Universal Items
    $129.99
    Qty in Cart: 0
    Price:
    $129.99
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  • Smooth Aluminum Big Mouth Step Box W/ Smooth Stainless Steel Lid- 24 X 24 X 29.13 Inch

    Smooth Aluminum Big Mouth Step Box W/ Smooth Stainless Steel Lid- 24 X 24 X 29.13 Inch

    ICONIC

    $1,364.99
    24 X 24 X 29.13 Inch Smooth Aluminum Big Mouth Step Box W/ Smooth LidMaximize cab access and storage with the Smooth Aluminum Big Mouth Step Box, featuring a smooth stainless steel lid and Big Mouth...
    09-020100855
    SKU:
    09-020100855
    Length Options:
    24 Inch
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Height Options:
    24 Inch
    Product Type:
    Toolboxes
    Width Options:
    29 Inch
    Make:
    Universal Items
    $1,364.99
    Qty in Cart: 0
    Price:
    $1,364.99
    Subtotal:
  • TPHD 120 Inch Stainless Steel 4 Rib Full Tandem Fender

    TPHD 120 Inch Stainless Steel 4 Rib Full Tandem Fender

    TPHD

    $745.99
    120 Inch Full Tandem Fender By TPHDDesigned for strength, style, and long-term reliability, the TPHD 120 Inch Stainless Steel 4 Rib Full Tandem Fender provides superior tandem wheel protection and...
    09-11030385
    SKU:
    09-11030385
    Length Options:
    120 Inch
    Material Options:
    Stainless Steel
    Product Type:
    Exterior
    Make:
    Universal Items
    $745.99
    Qty in Cart: 0
    Price:
    $745.99
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  • Smooth Aluminum Big Mouth Step Box W/ Smooth Lid- 36 X 24 X 29.13 Inch

    Smooth Aluminum Big Mouth Step Box W/ Smooth Lid- 36 X 24 X 29.13 Inch

    ICONIC

    $1,049.99
    36 X 24 X 29.13 Inch Smooth Aluminum Big Mouth Step Box W/ Smooth LidImprove organization and cab access with the Smooth Aluminum Big Mouth Step Box featuring a smooth lid and 36 x 24 x 29.13-inch...
    09-020100554
    SKU:
    09-020100554
    Length Options:
    36 Inch
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Height Options:
    29 Inch
    Product Type:
    Toolboxes
    Width Options:
    24 Inch
    Make:
    Universal Items
    $1,049.99
    Qty in Cart: 0
    Price:
    $1,049.99
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  • TPHD 120 Inch Aluminum 3 Rib Full Tandem Fender W/ 2 Inch Flange

    TPHD 120 Inch Aluminum 3 Rib Full Tandem Fender W/ 2 Inch Flange

    TPHD

    $296.99
    120 Inch Full Tandem Fender W/ 2 Inch Flange By TPHDSafeguard your tandem axles with the TPHD 120 Inch Aluminum 3 Rib Full Tandem Fender with 2 Inch Flange, engineered for truckers who demand...
    09-11010316
    SKU:
    09-11010316
    Style Options:
    Flanged
    Length Options:
    120 Inch
    Material Options:
    Aluminum
    Product Type:
    Exterior
    Make:
    Universal Items
    $296.99
    Qty in Cart: 0
    Price:
    $296.99
    Subtotal:
  • 30 Inch Stainless Steel Grab Handle

    30 Inch Stainless Steel Grab Handle

    ICONIC

    $119.99
    30 Inch Grab HandleImprove cab access with confidence using this 30 Inch Stainless Steel Grab Handle, built to deliver strength and stability in demanding environments. Made from high-quality...
    09-0210012
    SKU:
    09-0210012
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Height Options:
    30 Inch
    Make:
    Universal Items
    $119.99
    Qty in Cart: 0
    Price:
    $119.99
    Subtotal:
  • Minimizer Underbody Tool Box Bracket Kit- 16.8 X 18 Inch For 18 Inch Underbody Tool Box

    Minimizer Underbody Tool Box Bracket Kit- 16.8 X 18 Inch For 18 Inch Underbody Tool Box

    MINIMIZER

    $248.99
    16.8 X 18 Inch Underbody Tool Box Bracket KitSecure your truck's underbody storage with the Minimizer 16.8 x 18 Inch Tool Box Bracket Kit, designed to hold an 18-inch tool box safely and securely...
    09-020100856
    SKU:
    09-020100856
    Position:
    Kit Full
    Height Options:
    17 Inch
    Product Type:
    Toolboxes
    Width Options:
    18 Inch
    Make:
    Universal Items
    $248.99
    Qty in Cart: 0
    Price:
    $248.99
    Subtotal:
  • Smooth Aluminum Underbody Tool Box W/ Dual Inset Barn Door & Stainless Steel T-Handles- 72 X 24 X 24 Inch

    Smooth Aluminum Underbody Tool Box W/ Dual Inset Barn Door & Stainless Steel T-Handles- 72 X 24 X 24 Inch

    ICONIC

    $1,199.99
    72 X 24 X 24 Inch Smooth Aluminum Underbody Tool Box W/ Dual Inset Barn Door & Stainless Steel T-HandlesBuilt to withstand the grind of daily use, this underbody tool box offers reliable storage...
    09-020100622
    SKU:
    09-020100622
    Width Options:
    24 Inch
    Finish Options:
    Smooth
    Height Options:
    24 Inch
    Product Type:
    Toolboxes
    Length Options:
    72 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $1,199.99
    Qty in Cart: 0
    Price:
    $1,199.99
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  • Smooth Aluminum Boot Box W/ Single Drop Down Lid & Stainless Steel T-Handle- 22 X 18 X 22 Inch

    Smooth Aluminum Boot Box W/ Single Drop Down Lid & Stainless Steel T-Handle- 22 X 18 X 22 Inch

    ICONIC

    $749.99
    22 X 18 X 22 Inch Aluminum Boot Box W/ Single Drop Down Lid & T-HandleBuilt for truck owners who demand quality, the 22 x 18 x 22 Inch Smooth Aluminum Boot Box features a single drop-down lid with...
    09-0201152
    SKU:
    09-0201152
    Length Options:
    22 Inch
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Product Type:
    Toolboxes
    Height Options:
    18 Inch
    Width Options:
    22 Inch
    Make:
    Universal Items
    $749.99
    Qty in Cart: 0
    Price:
    $749.99
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  • Smooth Aluminum Tool Box W/ Aluminum Roll-Up Door & Stainless Steel Grab Bar- 72 X 30 X 24 Inch

    Smooth Aluminum Tool Box W/ Aluminum Roll-Up Door & Stainless Steel Grab Bar- 72 X 30 X 24 Inch

    ICONIC

    $2,394.99
    72 X 30 X 24 Inch Aluminum Tool Box W/ Roll-Up Door & Grab BarKeep your tools organized and secure with the 72 x 30 x 24 Inch Smooth Aluminum Tool Box, designed with an anodized aluminum roll-up door...
    09-0201151
    SKU:
    09-0201151
    Finish Options:
    Smooth
    Height Options:
    30 Inch
    Product Type:
    Toolboxes
    Width Options:
    72 Inch
    Length Options:
    24 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $2,394.99
    Qty in Cart: 0
    Price:
    $2,394.99
    Subtotal:
  • Smooth Aluminum Underbody Tool Box W/ Dual Barn Doors- 72 X 36 X 36 Inch

    Smooth Aluminum Underbody Tool Box W/ Dual Barn Doors- 72 X 36 X 36 Inch

    ICONIC

    $2,014.99
    72 X 36 X 36 Inch Smooth Aluminum Underbody Tool Box W/ Dual Barn DoorsTake your truck organization to the next level with this oversized 72-inch underbody tool box crafted from smooth marine-grade...
    09-020100850
    SKU:
    09-020100850
    Finish Options:
    Smooth
    Height Options:
    36 Inch
    Product Type:
    Toolboxes
    Width Options:
    36 Inch
    Length Options:
    72 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $2,014.99
    Qty in Cart: 0
    Price:
    $2,014.99
    Subtotal:
  • Smooth Aluminum Step Box W/ Smooth Lid & Lockable T-Handle- 18 X 25.13 X 21 Inch

    Smooth Aluminum Step Box W/ Smooth Lid & Lockable T-Handle- 18 X 25.13 X 21 Inch

    ICONIC

    $729.99
    18 X 25.13 X 21 Inch Smooth Aluminum Step Box W/ Smooth Lid & Lockable T-HandleWhen durability meets smart design, you get the Smooth Aluminum Step Box with Lockable T-Handle and Smooth...
    09-020100625
    SKU:
    09-020100625
    Length Options:
    21 Inch
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Product Type:
    Toolboxes
    Height Options:
    25 Inch
    Width Options:
    18 Inch
    Make:
    Universal Items
    $729.99
    Qty in Cart: 0
    Price:
    $729.99
    Subtotal:
  • Brunner Smooth Aluminum Step Box W/ Stainless Steel Drop Down Door & Aluminum Step Pad Cover- Opens Passenger Side- 22 X 24 X 22 Inch

    Brunner Smooth Aluminum Step Box W/ Stainless Steel Drop Down Door & Aluminum Step Pad Cover- Opens Passenger Side- 22 X 24 X 22 Inch

    BRUNNER FABRICATION

    $720.99
    22 X 24 X 22 Inch Smooth Aluminum Step Box W/ Stainless Steel Drop Down Door & Aluminum Step Pad Cover By BrunnerBuilt to handle the rigors of the road, this Brunner smooth aluminum step box delivers...
    09-020100539
    SKU:
    09-020100539
    Position:
    Passenger Side
    Material Options:
    Aluminum
    Height Options:
    24 Inch
    Product Type:
    Toolboxes
    Length Options:
    22 Inch
    Width Options:
    22 Inch
    Make:
    Universal Items
    $720.99
    Qty in Cart: 0
    Price:
    $720.99
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  • Blank Stainless Steel Sleeper Wrap- 3 Piece For Peterbilt

    Blank Stainless Steel Sleeper Wrap- 3 Piece For Peterbilt

    VALLEY CHROME PLATING

    $506.99
    Valley Chrome Blank 3 Piece Sleeper WrapEnhance your truck's style and durability with this blank stainless steel sleeper wrap for Peterbilt. This 3-piece set fits large flat top sleepers and...
    01-101500012
    SKU:
    01-101500012
    Product Type:
    Exterior
    Make:
    Peterbilt
    $506.99
    Qty in Cart: 0
    Price:
    $506.99
    Subtotal:
  • 4 Inch Stainless Steel Sleeper Extension Panel W/ 2 Oval Light Holes For Peterbilt 379, 384, 388, 389 W/ 70 Inch Sleeper

    4 Inch Stainless Steel Sleeper Extension Panel W/ 2 Oval Light Holes For Peterbilt 379, 384, 388, 389 W/ 70 Inch Sleeper

    VALLEY CHROME PLATING

    $107.99
    Valley Chrome 4 Inch Sleeper Extension Panel W/ 2 Oval Light HolesGive your Peterbilt sleeper a clean, professional look with these Valley Chrome 4 Inch Stainless Steel Sleeper Extension Panels...
    01-1012010H012
    SKU:
    01-1012010H012
    Length Options:
    70 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Product Type:
    Exterior
    Make:
    Peterbilt
    $107.99
    Qty in Cart: 0
    Price:
    $107.99
    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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