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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
  • Moto Mirror Switch Assembly

    Moto Mirror Switch Assembly

    BOSTROM TRUCK SEATS

    $161.99
    Dual Motor Moto Mirror Switch AssemblyUpgrade or replace your mirror control system with the Moto Mirror Switch Assembly, engineered for strength, precision, and long-lasting operation. Built with a...
    09-1530090
    SKU:
    09-1530090
    Product Type:
    Interior
    Make:
    Universal Items
    $161.99
    Qty in Cart: 0
    Price:
    $161.99
    Subtotal:
  • FASS Steel Pickup Frame Clamp Bracket Works W/ Titanium & Signature Series

    FASS Steel Pickup Frame Clamp Bracket Works W/ Titanium & Signature Series

    FASS

    $76.99
    Steel Pickup Frame Clamp Bracket Works W/ Titanium & Signature SeriesSecure your fuel system with the FASS Steel Pickup Frame Clamp Bracket designed for Titanium Series and Signature Series fuel...
    29-070300011
    SKU:
    29-070300011
    Product Type:
    Cargo Control
    Style Options:
    Heavy Duty
    Make:
    Universal Items
    $76.99
    Qty in Cart: 0
    Price:
    $76.99
    Subtotal:
  • Fiberglass Project One Double Hump Fender Set 38 Inch Drop W/ 5.5 Inch Lip For 52 & 54 Inch Axle Spread

    Fiberglass Project One Double Hump Fender Set 38 Inch Drop W/ 5.5 Inch Lip For 52 & 54 Inch Axle Spread

    BAD ASS CUSTOM TRUCK PARTS

    $1,339.99
    Project One Double Hump Fender Set Fiberglass 38 Inch Drop W/ 5.5 Inch Lip Fits 52 & 54 Inch Axle SpreadBuilt for durability and standout styling, the Fiberglass Project One Double Hump Fender Set...
    09-110404004
    SKU:
    09-110404004
    Finish Options:
    Paintable
    Length Options:
    106 Inch
    Material Options:
    Fiberglass
    Product Type:
    Rear Fenders
    Height Options:
    38 Inch
    Style Options:
    Double Hump
    Position:
    Rear
    Location:
    Made In USA
    Make:
    Universal Items
    $1,339.99
    Qty in Cart: 0
    Price:
    $1,339.99
    Subtotal:
  • Fiberglass Paintable High Boy Full Fender Set 38 Inch W/ 4 Inch Lip For 52 & 54 Inch Axle Spread

    Fiberglass Paintable High Boy Full Fender Set 38 Inch W/ 4 Inch Lip For 52 & 54 Inch Axle Spread

    BAD ASS CUSTOM TRUCK PARTS

    $1,236.99
    Paintable Fiberglass High Boy Full Fender Set 38 Inch W/ 4 Inch Lip Fits 52 & 54 Inch Axle SpreadBuilt for durability and style, the 41 Inch Fiberglass High Boy Full Fender Set offers a premium rear...
    09-110403001
    SKU:
    09-110403001
    Length Options:
    106 Inch
    Finish Options:
    Paintable
    Type Options:
    Full Tandem Fender
    Material Options:
    Fiberglass
    Product Type:
    Rear Fenders
    Location:
    Made In USA
    Height Options:
    41 Inch
    Make:
    Universal Items
    $1,236.99
    Qty in Cart: 0
    Price:
    $1,236.99
    Subtotal:
  • Fiberglass Paintable Project One Full Radius Fender Set 38 Inch Drop W/ 7.5 Inch Sidewall For 52 & 54 Inch Axle Spread

    Fiberglass Paintable Project One Full Radius Fender Set 38 Inch Drop W/ 7.5 Inch Sidewall For 52 & 54 Inch Axle Spread

    BAD ASS CUSTOM TRUCK PARTS

    $818.99
    Paintable Fiberglass Project One Full Radius Fender Set 38 Inch Drop W/ 7.5 Inch SidewallUpgrade your truck with the Fiberglass Project One Full Radius Fender Set with 7.5 Inch Sidewall, engineered...
    09-110401006
    SKU:
    09-110401006
    Location:
    Made In USA
    Height Options:
    38 Inch
    Length Options:
    106 Inch
    Product Type:
    Rear Fenders
    Finish Options:
    Paintable
    Type Options:
    Full Radius Fender
    Material Options:
    Fiberglass
    Make:
    Universal Items
    $818.99
    Qty in Cart: 0
    Price:
    $818.99
    Subtotal:
  • Fiberglass Paintable Stealth Double Hump Fender Set 38 Inch Drop W/ 7 Inch Sidewall For 52 & 54 Inch Axle Spread

    Fiberglass Paintable Stealth Double Hump Fender Set 38 Inch Drop W/ 7 Inch Sidewall For 52 & 54 Inch Axle Spread

    BAD ASS CUSTOM TRUCK PARTS

    $1,339.99
    Paintable Fiberglass Stealth Double Hump Fender Set 38 Inch Drop W/ 7 Inch Sidewall Fits 52 & 54 Inch Axle SpreadUpgrade your truck's appearance and durability with the Fiberglass Stealth Double Hump...
    09-110404005
    SKU:
    09-110404005
    Material Options:
    Fiberglass
    Length Options:
    106 Inch
    Location:
    Made In USA
    Finish Options:
    Paintable
    Product Type:
    Rear Fenders
    Height Options:
    38 Inch
    Style Options:
    Double Hump
    Position:
    Rear
    Make:
    Universal Items
    $1,339.99
    Qty in Cart: 0
    Price:
    $1,339.99
    Subtotal:
  • TPHD Steel Threaded Side Mount Fender Post

    TPHD Steel Threaded Side Mount Fender Post

    TPHD

    $17.65
    Threaded Side Mount Fender Post By TPHDBuilt for strength and dependability, the TPHD Steel Side Mount Fender Post offers a high-quality stainless steel solution for secure fender mounting. Its...
    09-11100037
    SKU:
    09-11100037
    Material Options:
    Steel
    Style Options:
    Thread On
    Type Options:
    Side Mount
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    $17.65
    Qty in Cart: 0
    Price:
    $17.65
    Subtotal:
  • TPHD 72 Inch Stainless Steel Half Fender W/ 18.5 Inch Drop

    TPHD 72 Inch Stainless Steel Half Fender W/ 18.5 Inch Drop

    TPHD

    $658.99
    72 Inch 304 Stainless Steel Half Fender W/ 18.5 Inch DropAdd lasting shine and dependable protection to your rig with the TPHD 72 Inch Stainless Steel Half Fender, manufactured from heavy-duty 14...
    09-110300058
    SKU:
    09-110300058
    Material Options:
    Stainless Steel
    Height Options:
    18 Inch
    Type Options:
    Half Fender
    Size Options:
    14 Gauge
    Length Options:
    72 Inch
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $658.99
    Qty in Cart: 0
    Price:
    $658.99
    Subtotal:
  • Fiberglass Paintable Outlaw Full Fender Set 38 Inch Drop W/ 5.5 Inch Sidewall For 52 & 54 Inch Axle Spread

    Fiberglass Paintable Outlaw Full Fender Set 38 Inch Drop W/ 5.5 Inch Sidewall For 52 & 54 Inch Axle Spread

    BAD ASS CUSTOM TRUCK PARTS

    $1,236.99
    Paintable Fiberglass Outlaw Full Fender Set 38 Inch Drop W/ 5.5 Inch Sidewall Fits 52 & 54 Inch Axle SpreadUpgrade to the Fiberglass Outlaw Full Fender Set with 5.5 Inch Sidewall delivers a premium...
    09-110403002
    SKU:
    09-110403002
    Height Options:
    38 Inch
    Length Options:
    106 Inch
    Location:
    Made In USA
    Product Type:
    Rear Fenders
    Type Options:
    Full Tandem Fender
    Finish Options:
    Paintable
    Material Options:
    Fiberglass
    Make:
    Universal Items
    $1,236.99
    Qty in Cart: 0
    Price:
    $1,236.99
    Subtotal:
  • Fiberglass Paintable Long Style Full Fender Set 38 Inch Drop W/ 5.5 Inch Sidewall For Super Single Tires

    Fiberglass Paintable Long Style Full Fender Set 38 Inch Drop W/ 5.5 Inch Sidewall For Super Single Tires

    BAD ASS CUSTOM TRUCK PARTS

    $1,236.99
    Paintable Fiberglass Long Style Full Fender Set 38 Inch Drop W/ 5.5 Inch Sidewall Fits Super Single TiresUpgrade to the Fiberglass Long Style Full Fend Set with 5.5 Inch Sidewall, designed for single...
    09-110403003
    SKU:
    09-110403003
    Finish Options:
    Paintable
    Material Options:
    Fiberglass
    Product Type:
    Rear Fenders
    Type Options:
    Full Tandem Fender
    Location:
    Made In USA
    Make:
    Universal Items
    $1,236.99
    Qty in Cart: 0
    Price:
    $1,236.99
    Subtotal:
  • Fiberglass Paintable Camello Double Hump Fender Set 38 Inch Drop W/ 7 Inch Sidewall For 52 & 54 Inch Axle Spread

    Fiberglass Paintable Camello Double Hump Fender Set 38 Inch Drop W/ 7 Inch Sidewall For 52 & 54 Inch Axle Spread

    BAD ASS CUSTOM TRUCK PARTS

    $1,339.99
    Paintable Fiberglass Camello Double Hump Fender Set 38 Inch Drop W/ 7 Inch Sidewall Fits 52 & 54 Inch Axle SpreadEnhance your truck's appearance and protection with the Fiberglass Camello Double Hump...
    09-110404003
    SKU:
    09-110404003
    Length Options:
    106 Inch
    Location:
    Made In USA
    Material Options:
    Fiberglass
    Product Type:
    Rear Fenders
    Style Options:
    Double Hump
    Height Options:
    38 Inch
    Position:
    Rear
    Make:
    Universal Items
    $1,339.99
    Qty in Cart: 0
    Price:
    $1,339.99
    Subtotal:
  • Fiberglass Paintable Project Two Full Radius Fender Set 38 Inch Drop W/ 7.5 Inch Sidewall

    Fiberglass Paintable Project Two Full Radius Fender Set 38 Inch Drop W/ 7.5 Inch Sidewall

    BAD ASS CUSTOM TRUCK PARTS

    $818.99
    Paintable Fiberglass Project Two Full Radius Fender Set 38 Inch Drop W/ 7.5 Inch SidewallBuilt for durability and custom styling, the Fiberglass Project Two Full Radius Fender Set with 7.5 Inch...
    09-110401007
    SKU:
    09-110401007
    Product Type:
    Rear Fenders
    Finish Options:
    Paintable
    Location:
    Made In USA
    Material Options:
    Fiberglass
    Height Options:
    38 Inch
    Type Options:
    Full Radius Fender
    Make:
    Universal Items
    $818.99
    Qty in Cart: 0
    Price:
    $818.99
    Subtotal:
  • Paintable Fiberglass 22.5 Inch Super Lo Pro/ 19.5 Inch Single Rear Fender Set

    Paintable Fiberglass 22.5 Inch Super Lo Pro/ 19.5 Inch Single Rear Fender Set

    BAD ASS CUSTOM TRUCK PARTS

    $818.99
    22.5 Inch Super Lo Pro/ 19.5 Inch Paintable Fiberglass Single Rear Fender SetBuilt for durability and style, the 22.5 Inch Super Lo Pro / 19.5 Inch Fiberglass Single Fender Set offers a reliable...
    09-110401008
    SKU:
    09-110401008
    Material Options:
    Fiberglass
    Finish Options:
    Paintable
    Type Options:
    Full Radius Fender
    Location:
    Made In USA
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    $818.99
    Qty in Cart: 0
    Price:
    $818.99
    Subtotal:
  • Fiberglass Paintable Road Rage Full Fender Set 38 Inch Drop W/ 5.5 Inch Sidewall

    Fiberglass Paintable Road Rage Full Fender Set 38 Inch Drop W/ 5.5 Inch Sidewall

    BAD ASS CUSTOM TRUCK PARTS

    $1,236.99
    Paintable Fiberglass Road Rage Full Fender Set 38 Inch Drop W/ 5.5 Inch SidewallThe Fiberglass Road Rage Full Fender Set with 5.5 Inch Sidewall is built for strength, fitment, and a bold custom...
    09-110403000
    SKU:
    09-110403000
    Height Options:
    38 Inch
    Product Type:
    Rear Fenders
    Location:
    Made In USA
    Finish Options:
    Paintable
    Material Options:
    Fiberglass
    Length Options:
    106 Inch
    Type Options:
    Full Tandem Fender
    Make:
    Universal Items
    $1,236.99
    Qty in Cart: 0
    Price:
    $1,236.99
    Subtotal:
  • TPHD 120 Inch Stainless Steel 4 Ribbed Full Fender W/ Beaded Edge

    TPHD 120 Inch Stainless Steel 4 Ribbed Full Fender W/ Beaded Edge

    TPHD

    $591.99
    Stainless Steel 4 Ribbed Full Fender 120 Inch W/ Beaded Edge By TPHDDeliver premium protection and a high-end stainless steel finish with the TPHD 120 Inch Four Ribbed Full Fender, designed...
    09-11030334
    SKU:
    09-11030334
    Length Options:
    120 Inch
    Product Type:
    Rear Fenders
    Type Options:
    Full Tandem Fender
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $591.99
    Qty in Cart: 0
    Price:
    $591.99
    Subtotal:
  • Fiberglass Paintable Single Axle Full Radius Fender Set 38 Inch Drop W/ 2.5 Inch Lip

    Fiberglass Paintable Single Axle Full Radius Fender Set 38 Inch Drop W/ 2.5 Inch Lip

    BAD ASS CUSTOM TRUCK PARTS

    $818.99
    Paintable Fiberglass Single Axle Full Radius Fender Set 38 Inch Drop W/ 2.5 Inch SidewallEnhance your truck's appearance and protection with the Fiberglass Single Axle Full Radius Fender Set with 2.5...
    09-110401005
    SKU:
    09-110401005
    Finish Options:
    Paintable
    Length Options:
    106 Inch
    Material Options:
    Fiberglass
    Type Options:
    Full Radius Fender
    Height Options:
    38 Inch
    Product Type:
    Rear Fenders
    Location:
    Made In USA
    Make:
    Universal Items
    $818.99
    Qty in Cart: 0
    Price:
    $818.99
    Subtotal:
  • Door Mirror Hardware Kit

    Door Mirror Hardware Kit

    DAYTON / DORMAN

    $18.43
    Folding Mirror Repair KitDesigned with both performance and safety in mine, this hardware kit delivers a Safety Rating of 9, giving drivers confidence in consistent mirror stability on the road. With...
    09-091500012
    SKU:
    09-091500012
    Product Type:
    Exterior
    Make:
    Universal Items
    $18.43
    Qty in Cart: 0
    Price:
    $18.43
    Subtotal:
  • Stainless Steel Mud Flap Top Trims W/ Mounting Hardware 2 X 24 Inch

    Stainless Steel Mud Flap Top Trims W/ Mounting Hardware 2 X 24 Inch

    TURNPIKE TRUCK TRIM

    $61.99
    2 X 24 Inch Stainless Steel Universal Top Mud Flap Accent TrimThese stainless steel universal top Mud Flap accent trims securely mount the mud flap to the hangers with include hardware for easy...
    09-0507055
    SKU:
    09-0507055
    Height Options:
    2 Inch
    Material Options:
    Stainless Steel
    Width Options:
    24 Inch
    Product Type:
    Mud Flaps
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $61.99
    Qty in Cart: 0
    Price:
    $61.99
    Subtotal:
  • Minimizer Heavy Duty Plastic Bolt-On Paddle Bracket Kit

    Minimizer Heavy Duty Plastic Bolt-On Paddle Bracket Kit

    MINIMIZER

    $381.99
    Heavy Duty Plastic Bolt-On Paddle Brackets* High Quality Fender Bracket Set* Made of Plastic* Composite Paddle Style* Enough Brackets For Driver And Passenger Sides* Includes:  - 5.75 Inch Swivel...
    09-11190
    SKU:
    09-11190
    Product Type:
    Rear Fenders
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $381.99
    Qty in Cart: 0
    Price:
    $381.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    CSM End Plate Reinforcement- 24 x 24 Inch For CSM Heavy Duty Aluminum Toolboxes

    CSM End Plate Reinforcement- 24 x 24 Inch For CSM Heavy Duty Aluminum Toolboxes

    CHROME SHOP MAFIA

    Now: $168.34
    Was: $244.99
    24 X 24 Inch End Plate Reinforcement By Chrome Shop MafiaEnhance the strength and durability of your CSM Heavy Duty Aluminum Toolbox with the CSM End Plate Reinforcement - 24 x 24 Inch. Constructed...
    09-0201242401
    SKU:
    09-0201242401
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Product Type:
    Toolboxes
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $168.34
    Was: $244.99
    Qty in Cart: 0
    Price:
    Now: $168.34
    Was: $244.99
    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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