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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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  • Quantity
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  • Merritt 52 Inch Smooth Aluminum Deep Drop Half Tandem Fender

    Merritt 52 Inch Smooth Aluminum Deep Drop Half Tandem Fender

    MERRITT

    $422.99
    Single Axle Fender* High Quality Half Fender* Smooth Aluminum Half Tandem Fender* 1.125 Thickness* Single Radius Deep Drop* Measurements  - 52 Inch Length  - 25 Inch Width  - 30 Inch Height   - 42.7...
    5230
    SKU:
    5230
    Height Options:
    30 Inch
    Length Options:
    52 Inch
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Width Options:
    25 Inch
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Light Options:
    Without Lights
    Type Options:
    Half
    Product Type:
    Rear Fenders
    $422.99
    Qty in Cart: 0
    Price:
    $422.99
    Subtotal:
  • Merritt 48 Inch Smooth Aluminum Full Radius Fender

    Merritt 48 Inch Smooth Aluminum Full Radius Fender

    MERRITT

    $308.99
    24 X 25 X 48 Inch Full Radius Fender By MerrittReinforce your truck's protection with the Merritt 48 Inch Smooth Aluminum Full Radius Fender, built for durability and a professional-grade finish...
    5034
    SKU:
    5034
    Height Options:
    24 Inch
    Length Options:
    48 Inch
    Truck Class:
    Universal
    Width Options:
    25 Inch
    Location:
    Made In USA
    Material Options:
    Aluminum
    Make:
    Universal Items
    Finish Options:
    Smooth
    Light Options:
    Without Lights
    Type Options:
    Full Radius
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    $308.99
    Qty in Cart: 0
    Price:
    $308.99
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  • Merritt Aluminum Extended Rear Half Fender, 139 in. L X 25 in. W X 16 in. H

    Merritt Aluminum Extended Rear Half Fender, 139 in. L X 25 in. W X 16 in. H

    MERRITT

    $622.99
    139 Inch Long Smooth Aluminum Extended Rear Half FenderMerritt extended rear half fender is a durable and reliable option constructed from .090" smooth aluminum. It measures 139 inches in length, 25...
    5011
    SKU:
    5011
    Height Options:
    16 Inch
    Truck Class:
    Heavy Duty
    Width Options:
    25 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    Finish Options:
    Smooth
    Light Options:
    Without Lights
    Type Options:
    Half
    Product Type:
    Rear Fenders
    $622.99
    Qty in Cart: 0
    Price:
    $622.99
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  • On Sale
    Limited Quantity Available
    Merritt Battery Hold Down Kit For 490 And 491 Battery Box

    Merritt Battery Hold Down Kit For 490 And 491 Battery Box

    MERRITT

    Now: $105.69
    Was: $150.99
    Merritt Battery Hold Down Kit - Easy Install & Secure FitKeep your batteries firmly in place with this screw-in battery hold down kit. Designed for quick access when battery maintenance or...
    497
    SKU:
    497
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Location:
    Made In USA
    Material Options:
    Aluminum
    Position:
    Kit Full
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    Now: $105.69
    Was: $150.99
    Qty in Cart: 0
    Price:
    Now: $105.69
    Was: $150.99
    Subtotal:
  • FREE SHIPPING OVER $249
    63 Inch Or 70 Inch Sleeper Bars Under Glow Light Bracket

    63 Inch Or 70 Inch Sleeper Bars Under Glow Light Bracket

    IOWA CUSTOMS

    $228.99
    Under Cab Sleeper Glow BracketEnhance the look of your Peterbilt with a 63 or 70-inch sleeper with this high-quality stainless steel under body glow light bracket kit. It features brackets for under...
    29-1610000
    SKU:
    29-1610000
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Color:
    Amber
    Location:
    Made In USA
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $228.99
    Qty in Cart: 0
    Price:
    $228.99
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  • Single Radius Fender Bracket Set For Models W/ & , By CSM For Peterbilt Low Air Leaf & Kenworth AG400L Suspensions 2005 & Newer

    Single Radius Fender Bracket Set For Models W/ & , By CSM For Peterbilt Low Air Leaf & Kenworth AG400L Suspensions 2005 & Newer

    CHROME SHOP MAFIA

    $639.99
    Fender Bracket Set For Single Radius Fits PACCAR Low Air Leaf And AG400L Suspensions By Chrome Shop Mafia* High Quality Single Radius Fender Bracket* Made Of Steel* Driver/Passenger Side* Will Need...
    29-11113
    SKU:
    29-11113
    Make:
    Peterbilt
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Location:
    Made In USA
    Material Options:
    Steel
    Type Options:
    Full Radius
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    $639.99
    Qty in Cart: 0
    Price:
    $639.99
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  • Full Fender Bracket Set By CSM For Peterbilt Low Air Leaf & Kenworth AG400L Suspensions 2005 & Newer

    Full Fender Bracket Set By CSM For Peterbilt Low Air Leaf & Kenworth AG400L Suspensions 2005 & Newer

    CHROME SHOP MAFIA

    $471.99
    Custom Full Fender Bracket Set Fits Low Air Leaf And AG400L Paccar Suspensions By Chrome Shop Mafia* High Quality Full Fender Bracket * Made Of Steel* Driver/Passenger Side* Will Need Painted Or...
    29-11111
    SKU:
    29-11111
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Make:
    Kenworth
    Location:
    Made In USA
    Material Options:
    Steel
    Type Options:
    Full
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    $471.99
    Qty in Cart: 0
    Price:
    $471.99
    Subtotal:
  • Peterbilt & Kenworth Half Fender Mounting Bracket Set By CSM For Peterbilt Flex Air & Kenworth AG380 Suspensions 2005 & Newer

    Peterbilt & Kenworth Half Fender Mounting Bracket Set By CSM For Peterbilt Flex Air & Kenworth AG380 Suspensions 2005 & Newer

    CHROME SHOP MAFIA

    $487.99
    Bracket Set For Half Fenders For PACCAR Flex Air And AG380 Suspensions By Chrome Shop MafiaLooking for a Fender Mounting Bracket Set for your 1/2 fenders? Our set is designed to fit perfectly with...
    29-11110
    SKU:
    29-11110
    Make:
    Peterbilt
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Location:
    Made In USA
    Material Options:
    Steel
    Type Options:
    Half
    Product Type:
    Rear Fenders
    $487.99
    Qty in Cart: 0
    Price:
    $487.99
    Subtotal:
  • Peterbilt & Kenworth Half Fender Mounting Bracket Set, By CSM For Peterbilt New Style Lo Air Leaf & Kenworth AG400L Suspensions 2005 & Newer

    Peterbilt & Kenworth Half Fender Mounting Bracket Set, By CSM For Peterbilt New Style Lo Air Leaf & Kenworth AG400L Suspensions 2005 & Newer

    CHROME SHOP MAFIA

    $318.99
    Half Fender Bracket Set For Paccar Low Air Leaf And AG400L Suspensions By Chrome Shop MafiaSecurely mount your half fenders with the reliable Chrome Shop Mafia Fender Mounting Bracket Set. This...
    29-11109
    SKU:
    29-11109
    Make:
    Peterbilt
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Location:
    Made In USA
    Material Options:
    Steel
    Type Options:
    Half
    Product Type:
    Rear Fenders
    $318.99
    Qty in Cart: 0
    Price:
    $318.99
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  • Medium Stainless Steel Wing 76 X 26 X 20 Inch For Standup Sleepers

    Medium Stainless Steel Wing 76 X 26 X 20 Inch For Standup Sleepers

    VALLEY CHROME PLATING

    $1,223.99
    Valley Chrome Medium Size Wing Ideal Size For Standup Sleepers* High Quality Wing* Made Of Stainless Steel* Wing Measures   - 76 Inch Length  - 26 Inch Width   - 20 Inch Height* Medium Size Turbo...
    29-101601
    SKU:
    29-101601
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Material Options:
    Stainless Steel
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $1,223.99
    Qty in Cart: 0
    Price:
    $1,223.99
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  • Full Size Turbo Wing For Standard Flat Top Sleepers For Peterbilt, Kenworth & International

    Full Size Turbo Wing For Standard Flat Top Sleepers For Peterbilt, Kenworth & International

    VALLEY CHROME PLATING

    $1,376.99
    900 Series Stainless Steel Flat Top Sleeper Turbo Wing"The Original Turbowing" is not only a smart investment for enhancing your truck's appearance but also for improving fuel efficiency. Owner...
    29-101600
    SKU:
    29-101600
    Truck Class:
    Heavy Duty
    Make:
    International
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Exterior
    $1,376.99
    Qty in Cart: 0
    Price:
    $1,376.99
    Subtotal:
  • Whale Tail 71 X 12.5 X 14.5 Inch With Brackets, By Fibertech Truck Parts

    Whale Tail 71 X 12.5 X 14.5 Inch With Brackets, By Fibertech Truck Parts

    FIBERTECH

    $449.99
    Fibertech Whale Tail With BracketsMade of fiberglass, this Aftermarket whale tail is 71 inches long, 12.5 inches tall, and 14.5 inches wide. It is bottom mounted and will need to be trimmed to match...
    29-10003
    SKU:
    29-10003
    Truck Class:
    Heavy Duty
    Make:
    Volvo
    Make:
    Peterbilt
    Make:
    Freightliner
    Make:
    International
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $449.99
    Qty in Cart: 0
    Price:
    $449.99
    Subtotal:
  • Universal Turbo Wing Bracket Kit For Peterbilt, Kenworth & Freightliner W/ Stand-Up Sleeper

    Universal Turbo Wing Bracket Kit For Peterbilt, Kenworth & Freightliner W/ Stand-Up Sleeper

    VALLEY CHROME PLATING

    $422.99
    Turbo Wing Bracket Kit Fits Peterbilt, Kenworth & Freightliner W/ Stand-Up Sleeper By Valley Chrome* High Quality Turbo Wing Bracket Kit* For Models With Stand Up Sleepers* Made In USA* Sold As Kit*...
    29-100000001
    SKU:
    29-100000001
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Make:
    Kenworth
    Product Type:
    Exterior
    $422.99
    Qty in Cart: 0
    Price:
    $422.99
    Subtotal:
  • 8 X 8.5 Inch Heated Convex Aerodynamic Mirror

    8 X 8.5 Inch Heated Convex Aerodynamic Mirror

    LUVERNE

    $121.99
    Heated Convex Mirror Aero Replacement Mirror* High Quality Mirror* Heated Convex Mirror * Aerodynamic * Perfect OEM Replacement * Universal Clamp * Easily Attaches * 3/4 Inch to 1-1/4 Inch Diameter...
    29-091533
    SKU:
    29-091533
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Style Options:
    Heated
    Make:
    Universal Items
    Product Type:
    Exterior
    $121.99
    Qty in Cart: 0
    Price:
    $121.99
    Subtotal:
  • FREE SHIPPING OVER $249
    18 Inch Premium Wiper Blade With Universal Connector

    18 Inch Premium Wiper Blade With Universal Connector

    AFTERMARKET

    $6.41
    Wiper Blade Premium* High Quality Wiper Blade* 18 Inch * With Universal Connector* Premium All-Metal Heavy-Gauged With Riveted Steel Frame* High-Density 100% Natural Molded Rubber* Sold Individually*...
    29-091122
    SKU:
    29-091122
    Truck Class:
    Heavy Duty
    Length Options:
    18 Inch
    Make:
    Peterbilt
    Make:
    Universal Items
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $6.41
    Qty in Cart: 0
    Price:
    $6.41
    Subtotal:
  • 16 Inch Heated Replacement Wiper Blades For J-Hook Style Windshield Wipers For International, Peterbilt

    16 Inch Heated Replacement Wiper Blades For J-Hook Style Windshield Wipers For International, Peterbilt

    AFTERMARKET

    $78.99
    Heated Replacement Wiper Blades For 16 Inch J-Hook Style Windshield Wipers* High Quality Heated Wiper Blade* 16 Inch * Heated Blade And Frame* Radiates Heat (230 Degrees Fahrenheit) Throughout The...
    29-091100012
    SKU:
    29-091100012
    Truck Class:
    Heavy Duty
    Length Options:
    16 Inch
    Style Options:
    Heated
    Make:
    Peterbilt
    Product Type:
    Exterior
    $78.99
    Qty in Cart: 0
    Price:
    $78.99
    Subtotal:
  • 18 Inch Heated J-Hook Style Wiper Blades For Kenworth, Peterbilt, International, Mack, Western Star, Ford, GMC

    18 Inch Heated J-Hook Style Wiper Blades For Kenworth, Peterbilt, International, Mack, Western Star, Ford, GMC

    AFTERMARKET

    $208.99
    18 Inch Heated J-Hook Style Wiper Blades* High Quality Heated Wiper Blade* 18 Inch J-Hook Style* Heated Blade And Frame* Radiates Heat (230 Degrees Fahrenheit) Throughout The Silicone Blade And Metal...
    29-091100006
    SKU:
    29-091100006
    Length Options:
    18 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Heated
    Make:
    Ford
    Make:
    Kenworth
    Make:
    Chevrolet
    Make:
    International
    Make:
    Western Star
    Make:
    Freightliner
    Make:
    Mack
    Make:
    GMC
    Make:
    Peterbilt
    Product Type:
    Exterior
    $208.99
    Qty in Cart: 0
    Price:
    $208.99
    Subtotal:
  • 16 Inch Heated J-Hook Style Wiper Blades For Peterbilt, International

    16 Inch Heated J-Hook Style Wiper Blades For Peterbilt, International

    AFTERMARKET

    $203.99
    16 Inch Heated J-Hook Style Wiper Blades* High Quality Heated Wiper Blade* 16 Inch J-Hook Style* Heated Blade And Frame* Radiates Heat (230 Degrees Fahrenheit) Throughout The Silicone Blade And Metal...
    29-091100005
    SKU:
    29-091100005
    Length Options:
    16 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Heated
    Make:
    Peterbilt
    Product Type:
    Exterior
    $203.99
    Qty in Cart: 0
    Price:
    $203.99
    Subtotal:
  • Air Filter For Old Style 11 Inch Donaldson Air Cleaners P181007 LAF7797 PA2312

    Air Filter For Old Style 11 Inch Donaldson Air Cleaners P181007 LAF7797 PA2312

    OPP - ORIGINAL PARTS PROGRAM

    $94.99
    10.39 Dia X 22.83 L Old Style Air Filter* High Quality Air Filter* For Old Style 11 Inch Donaldson Air Cleaners * 22.83 OAL * 10.39 Inch Diameter* Sold Individually* Warranty On Air Filters Against...
    29-0905706
    SKU:
    29-0905706
    Truck Class:
    Heavy Duty
    Length Options:
    23 Inch
    Style Options:
    Donaldson Style
    Make:
    Universal Items
    Product Type:
    Exterior
    Diameter Options:
    10 Inch
    $94.99
    Qty in Cart: 0
    Price:
    $94.99
    Subtotal:
  • FREE SHIPPING OVER $249
    13 Inch Vortox Breather Air Filter Element AF25480 For Kenworth & Peterbilt

    13 Inch Vortox Breather Air Filter Element AF25480 For Kenworth & Peterbilt

    OPP - ORIGINAL PARTS PROGRAM

    $102.99
    Air Filter Element Fits 13 Inch Vortox Air CleanersNeed a reliable air filter for your ride? Check out the 13" VORTOX BRTHR air filter element. It's built tough and designed to keep your engine...
    29-0905703
    SKU:
    29-0905703
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Exterior
    $102.99
    Qty in Cart: 0
    Price:
    $102.99
    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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