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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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  • Price
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  • Vendetta Premium 14 Gauge 304 SS Half Fenders - 33.5 Inch W/Out Brackets

    Vendetta Premium 14 Gauge 304 SS Half Fenders - 33.5 Inch W/Out Brackets

    VENDETTA

    $1,248.99
    14 Gauge Mirror Polished 304 Stainless Steel Half Fenders Without Brackets By VendettaCheck out the Vendetta half fenders at 4 State Trucks! These stylish and durable 14-gauge mirror-polished 304...
    09-11030239
    SKU:
    09-11030239
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Height Options:
    33 1/2 Inch
    Make:
    Universal Items
    Product Type:
    Rear Fenders
    Size Options:
    14 Gauge
    Location:
    Made In USA
    Length Options:
    73 Inch
    Type Options:
    Half Fender
    Finish Options:
    Polished
    Style Options:
    Vendetta
    Ready To Ship:
    Yes
    $1,248.99
    Qty in Cart: 0
    Price:
    $1,248.99
    Subtotal:
  • 15 Inch Rubber Wiper Blade W/ 9MM Hook, 3/16 Inch Side Lock

    15 Inch Rubber Wiper Blade W/ 9MM Hook, 3/16 Inch Side Lock

    AUTOMANN USA

    $16.51
    15 Inch Wiper Blade Made With 9X4 MM Hook* High Quality Wiper Blade* Rubber* 15 Inch* 9MM Hook * 9X4 Hook * 3/16 Inch Side Lock * Provides Max Windshield Contact* Swift Easy Connection For Quick...
    29-09110026
    SKU:
    29-09110026
    Material Options:
    Plastic/Poly
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Exterior
    $16.51
    Qty in Cart: 0
    Price:
    $16.51
    Subtotal:
  • 26 Inch Wiper Blade, 9MM Hook W/ 3/16 Inch Side Lock

    26 Inch Wiper Blade, 9MM Hook W/ 3/16 Inch Side Lock

    AUTOMANN USA

    $22.02
    Quiet 26 Inch Wiper Blade With Each Connection* High Quality Wiper Blade* 26 Inch* 9MM Hook * 9X4 Hook * 3/16 Inch Side Lock * 7MM Bayonet* Vortec Aerofoil Provides Max Windshield Contact* Treated...
    29-09110029
    SKU:
    29-09110029
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Exterior
    $22.02
    Qty in Cart: 0
    Price:
    $22.02
    Subtotal:
  • 28 Inch Wiper Blade, 9MM Hook W/ 3/16 Inch Side Lock

    28 Inch Wiper Blade, 9MM Hook W/ 3/16 Inch Side Lock

    AUTOMANN USA

    $22.02
    Quiet 28 Inch Wiper Blade With Each Connection* High Quality Wiper Blade* 28 Inch* 9MM Hook * 9X4 Hook * 3/16 Inch Side Lock * 7MM Bayonet* Provides Max Windshield Contact* Treated Rubber For Quieter...
    29-09110028
    SKU:
    29-09110028
    Material Options:
    Plastic/Poly
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Exterior
    $22.02
    Qty in Cart: 0
    Price:
    $22.02
    Subtotal:
  • 16 Inch Wiper Blade W/ Winter Saddle Mount For Curved Windshield

    16 Inch Wiper Blade W/ Winter Saddle Mount For Curved Windshield

    AUTOMANN USA

    $17.33
    16 X .54 Inch Wiper Blade W/ Saddle Mount AttachmentKeep your truck's windshield free of snow, ice, and debris with this 16 Inch Wiper Blade with Winter Saddle Mount for curved glass. This...
    29-09110022
    SKU:
    29-09110022
    Material Options:
    Plastic/Poly
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Exterior
    $17.33
    Qty in Cart: 0
    Price:
    $17.33
    Subtotal:
  • 19 Inch Rubber Wiper Blade W/ 9MM Hook, 3/16 Inch Side Lock

    19 Inch Rubber Wiper Blade W/ 9MM Hook, 3/16 Inch Side Lock

    AUTOMANN USA

    $16.51
    19 Inch Wiper Blade Made With 9X4 MM Hook* High Quality Wiper Blade* Rubber* 19 Inch* 9MM Hook * 9X4 Hook * 3/16 Inch Side Lock * 7MM Bayonet* Vortec Aerofoil Provides Max Windshield Contact* Treated...
    29-09110024
    SKU:
    29-09110024
    Material Options:
    Plastic/Poly
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Exterior
    $16.51
    Qty in Cart: 0
    Price:
    $16.51
    Subtotal:
  • 14 Inch Rubber Wiper Blade W/ 9MM Hook, 3/16 Inch Side Lock

    14 Inch Rubber Wiper Blade W/ 9MM Hook, 3/16 Inch Side Lock

    AUTOMANN USA

    $16.51
    14 Inch Wiper Blade Made With 9X4 MM Hook* High Quality Wiper Blade* Rubber* 14 Inch* 9MM Hook * 9X4 Hook * 3/16In Side Lock* Provides Max Windshield Contact* Swift Easy Connection For Quick...
    29-09110025
    SKU:
    29-09110025
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Exterior
    $16.51
    Qty in Cart: 0
    Price:
    $16.51
    Subtotal:
  • 19 Inch Wiper Blade W/ 9MM Hook, 3/16in Side Lock

    19 Inch Wiper Blade W/ 9MM Hook, 3/16in Side Lock

    AUTOMANN USA

    $11.01
    Exact Fit Wiper Blade With Pre-Assembled ConnectorThese Metal Conventional Wipers replace your OE Factory wiper blades. They feature a curved steel beam and come with a pre-attached adaptor for easy...
    29-09110021
    SKU:
    29-09110021
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Exterior
    $11.01
    Qty in Cart: 0
    Price:
    $11.01
    Subtotal:
  • 21 Inch Rubber Wiper Blade W/ 9MM Hook, 3/16 Inch Side Lock

    21 Inch Rubber Wiper Blade W/ 9MM Hook, 3/16 Inch Side Lock

    AUTOMANN USA

    $16.51
    21 Inch Wiper Blade Made With 9X4 MM Hook* High Quality Wiper Blade* Rubber* 21 Inch* 9MM Hook * 9X4 Hook * 3/16 Inch Side Lock* Provides Max Windshield Contact* Swift Easy Connection For Quick...
    29-09110027
    SKU:
    29-09110027
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Exterior
    $16.51
    Qty in Cart: 0
    Price:
    $16.51
    Subtotal:
  • 17 Inch Rubber Wiper Blade W/ 9MM Hook, 3/16 Inch Side Lock

    17 Inch Rubber Wiper Blade W/ 9MM Hook, 3/16 Inch Side Lock

    AUTOMANN USA

    $16.51
    17 Inch Wiper Blade Made With 9X4 MM HookLooking for a reliable wiper blade? Look no further! This 17-inch long wiper beam blade is designed with a 9 by 4 mm hook and a 3/16 inch side lock. Its 7MM...
    29-09110023
    SKU:
    29-09110023
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Exterior
    $16.51
    Qty in Cart: 0
    Price:
    $16.51
    Subtotal:
  • Merritt Diamond Plate Aluminum Super Duty Full Fender, 112 Inch For 60 To 66 Inch Tandem Axle

    Merritt Diamond Plate Aluminum Super Duty Full Fender, 112 Inch For 60 To 66 Inch Tandem Axle

    MERRITT

    $1,234.99
    Merritt 112 Inch Diamond Plated Finish Aluminum Fender* High Quality Full Fender * 1/8 Inch Thick Aluminum * Diamond Plated Finish* Dimensions:   - 27 Inch Width   - 22 Inch Height  - 112 Inch Tip To...
    180
    SKU:
    180
    Finish Options:
    Diamond Plate
    Material Options:
    Aluminum
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Rear Fenders
    $1,234.99
    Qty in Cart: 0
    Price:
    $1,234.99
    Subtotal:
  • Stainless Steel Box Type WC Mirror 6 Inch X 16 Inch W/ Marker Light- 10 Pack

    Stainless Steel Box Type WC Mirror 6 Inch X 16 Inch W/ Marker Light- 10 Pack

    AFTERMARKET

    $536.99
    Stainless Steel 6X16 Inch Box Type Mirrors W/ Marker Light* High Quality WC Mirror* Stainless Steel* 6 Inch X 16 Inch* West Coast Mirrors* Dual Mirror* Heated* Cover Marker Light* CB Antenna- No*...
    09-09140035
    SKU:
    09-09140035
    Length Options:
    6 Inch
    Material Options:
    Stainless Steel
    Height Options:
    16 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Exterior
    $536.99
    Qty in Cart: 0
    Price:
    $536.99
    Subtotal:
  • Fibertech Ultra-Flat Top Style 63 Inch Conversion Sleeper Cap For 63 Inch Peterbilt Ultracabs

    Fibertech Ultra-Flat Top Style 63 Inch Conversion Sleeper Cap For 63 Inch Peterbilt Ultracabs

    FIBERTECH

    $2,132.99
    Conversion Sleeper Cap Fits Peterbilt 377, 378, 379, 388, 389, & 389 Gliders.The Ultra-Flat Top Style 63 Inch Conversion Sleeper Cap is perfect if you want to give your truck that sleek flat top look...
    01-101518
    SKU:
    01-101518
    Truck Class:
    Heavy Duty
    Material Options:
    Fiberglass
    Make:
    Peterbilt
    Product Type:
    Exterior
    Length Options:
    63 Inch
    Ready To Ship:
    Yes
    $2,132.99
    Qty in Cart: 0
    Price:
    $2,132.99
    Subtotal:
  • Fibertech Day Cab Extended Complete Conversion Kit - Black Interior For Peterbilt 378, 379, 386, 388, 389

    Fibertech Day Cab Extended Complete Conversion Kit - Black Interior For Peterbilt 378, 379, 386, 388, 389

    FIBERTECH

    $3,439.99
    6 Inch Cab Extension With Window Trim, Rear Window Glass, Padded Interior Panel, & HardwareThe Fibertech 6-inch fiberglass cab extension for Peterbilt 378, 379, 386, 388, 389, and 389 Glider Ultracab...
    01-093009
    SKU:
    01-093009
    Material Options:
    Fiberglass
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Exterior
    $3,439.99
    Qty in Cart: 0
    Price:
    $3,439.99
    Subtotal:
  • Fibertech Day Cab Flat Panel Complete Conversion Kit W/ Black Interior For Peterbilt

    Fibertech Day Cab Flat Panel Complete Conversion Kit W/ Black Interior For Peterbilt

    FIBERTECH

    $2,456.99
    Peterbilt Day Cab Flat Panel W/ Aluminum Bracing, Window Trim, Rear Window Glass, & HardwareThe Day Cab Flat Panel Complete Conversion Kit with Black Interior adds an impressive 4 inches of extra leg...
    01-093007
    SKU:
    01-093007
    Truck Class:
    Heavy Duty
    Material Options:
    Fiberglass
    Make:
    Peterbilt
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $2,456.99
    Qty in Cart: 0
    Price:
    $2,456.99
    Subtotal:
  • FREE SHIPPING
    Merritt Offset Lelox Fender Mount Bracket Kits

    Merritt Offset Lelox Fender Mount Bracket Kits

    MERRITT

    $624.99 - $959.99
    Reinforce your truck's fender assembly with the Merritt Offset Lelox Fender Mount Bracket Kits. Available with curved or flat mounts for metal fenders, these kits provide dependable support for...
    PPR_206759
    SKU:
    PPR_206759
    Material Options:
    Aluminum
    Truck Class:
    Universal
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Make:
    Universal Items
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    $624.99 - $959.99
    Qty in Cart: 0
    Price:
    $624.99 - $959.99
    Subtotal:
  • SS 21 Inch Half Fender For 16 to 19.5 Inch Wheels

    SS 21 Inch Half Fender For 16 to 19.5 Inch Wheels

    PHOENIX USA

    $1,192.99
    Mirror Polished Stainless Steel 21 inch Wide Half FendersThese stainless steel Half Fenders effectively prevent sand, salt, mud, and road debris from flying forward and causing a mess underneath your...
    09-11030111
    SKU:
    09-11030111
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Light Options:
    Without Lights
    Make:
    Universal Items
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    $1,192.99
    Qty in Cart: 0
    Price:
    $1,192.99
    Subtotal:
  • SS Box-Type Side Mirrors, 7 X 16 Inch, 10 Pack

    SS Box-Type Side Mirrors, 7 X 16 Inch, 10 Pack

    AFTERMARKET

    $320.99
    Stainless Steel 7 X 16 Inch Dual Mirrors* High Quality Mirror* Stainless Steel* 7 Inch X 16 Inch* Dual Mirror* Box Type * CB Antenna- No* Temp Sensor- No* Made In USA* Sold Individually* Warranty On...
    09-09140037
    SKU:
    09-09140037
    Material Options:
    Stainless Steel
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Exterior
    $320.99
    Qty in Cart: 0
    Price:
    $320.99
    Subtotal:
  • Stainless Steel Box Type Mirrors, 7 X1 6 Inch, 10 Pack

    Stainless Steel Box Type Mirrors, 7 X1 6 Inch, 10 Pack

    AFTERMARKET

    $560.99
    Box Style Cab Side Mirrors* High Quality Mirror* Stainless Steel* Style- Dual Mirror* Make- Universal* Heated* Cover Marker Light* CB Antenna- No* Temp Sensor- No* Made In USA* Sold As Pack* Warranty...
    09-09140036
    SKU:
    09-09140036
    Material Options:
    Stainless Steel
    Truck Class:
    Universal
    Style Options:
    Heated
    Make:
    Universal Items
    Product Type:
    Exterior
    $560.99
    Qty in Cart: 0
    Price:
    $560.99
    Subtotal:
  • FREE SHIPPING OVER $249
    SS 45 Degree Angle Mirror Bracket For Watermelon Lights

    SS 45 Degree Angle Mirror Bracket For Watermelon Lights

    TWELVE GAUGE

    $42.96
    Stainless Steel Mirror Bracket For Watermelon Lights At 45 Degree Angle By 12 Gauge* High Quality Mirror Bracket* Stainless Steel * For Mounting Watermelon Lights At A 45 Degree Angle From The Mirror...
    09-16100110
    SKU:
    09-16100110
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Exterior
    $42.96
    Qty in Cart: 0
    Price:
    $42.96
    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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