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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
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  • Quantity
  • Price
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  • FREE SHIPPING OVER $249
    7-1/2 Inch Adjustable Saddle Type Stainless Steel Wiper Arm

    7-1/2 Inch Adjustable Saddle Type Stainless Steel Wiper Arm

    UNITED PACIFIC

    $9.85
    Adjustable Length Saddle Type Wiper Arm Replacement Fits Any 1/4 Inch Motor ShaftsInstalling this wiper arm is a breeze. It extends from 7-1/2 to 11-1/2 inches, giving you flexibility for different...
    09-0911004
    SKU:
    09-0911004
    Truck Class:
    Universal
    Length Options:
    11 1/2 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Exterior
    $9.85
    Qty in Cart: 0
    Price:
    $9.85
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel 11 Inch Hook Style Wiper Arm W/ Rubber Blade

    Stainless Steel 11 Inch Hook Style Wiper Arm W/ Rubber Blade

    UNITED PACIFIC

    $6.49
    Hook Style Stainless Steel Wiper Arm Mounts To 1/4 Inch Wiper Motor ShaftThis 11-inch stainless steel hook style wiper blade features a polished frame and a durable rubber blade for effective wiping...
    09-0911006
    SKU:
    09-0911006
    Length Options:
    11 Inch
    Truck Class:
    Universal
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Finish Options:
    Polished
    Product Type:
    Exterior
    $6.49
    Qty in Cart: 0
    Price:
    $6.49
    Subtotal:
  • FREE SHIPPING OVER $249
    11 Inch Hook Saddle Type Stainless Steel Wiper Arm With 7.5 Inch Blade

    11 Inch Hook Saddle Type Stainless Steel Wiper Arm With 7.5 Inch Blade

    UNITED PACIFIC

    $16.39
    Hook & Saddle Type 11 Inch Stainless Steel Wiper Arm With 7.5 Inch Wiper BladeCheck out the 11-inch stainless steel wiper arm with a 7.5-inch blade, featuring a hook and saddle style. It's easy to...
    09-0911002
    SKU:
    09-0911002
    Length Options:
    11 Inch
    Truck Class:
    Universal
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Exterior
    $16.39
    Qty in Cart: 0
    Price:
    $16.39
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  • TPHD Rubber 7 x 7 Inch ID Elbow W/ 45 Degree Bend

    TPHD Rubber 7 x 7 Inch ID Elbow W/ 45 Degree Bend

    AFTERMARKET

    $103.99
    Rubber Elbow W/ 45 Degree Bend By TPHDThe TPHD Rubber 7 x 7 Inch ID Elbow is an essential component for heavy-duty trucks, providing a durable 45-degree connection point in fluid or air systems...
    09-09055008
    SKU:
    09-09055008
    Truck Class:
    Universal
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Diameter Options:
    7 Inch
    Degree Options:
    45
    Style Options:
    Elbow
    Ready To Ship:
    Yes
    $103.99
    Qty in Cart: 0
    Price:
    $103.99
    Subtotal:
  • Stainless Steel Front Grille Insert W/ Oval Punch Outs For Peterbilt 388, 389, 389 Glider

    Stainless Steel Front Grille Insert W/ Oval Punch Outs For Peterbilt 388, 389, 389 Glider

    TRUX ACCESSORIES

    $611.99
    SS Front Grille Insert W/ Oval Punch Outs* High Quality Front Grille Insert* 18 Gauge 304 Stainless Steel * With Oval Punch Outs* Sold Individually * Warranty On Front Grille Inserts Against Defects...
    01-1210042
    SKU:
    01-1210042
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Hood Parts & Acc.
    Ready To Ship:
    Yes
    $611.99
    Qty in Cart: 0
    Price:
    $611.99
    Subtotal:
  • Stainless Steel 3.5 Inch Blank Sleeper Panels For Peterbilt W/ 48 Inch Sleeper

    Stainless Steel 3.5 Inch Blank Sleeper Panels For Peterbilt W/ 48 Inch Sleeper

    TRUX ACCESSORIES

    $177.99
    3.5 Inch Blank Sleeper Panels Stainless Steel Fits Peterbilt W/ 48 Inch SleeperThis pair of quality sleeper panels fit Peterbilt models with a 48 inch sleeper. They mount underneath the sleeper and...
    01-10123035
    SKU:
    01-10123035
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Length Options:
    48 Inch
    Finish Options:
    Paintable
    Make:
    Peterbilt
    Product Type:
    Exterior
    Height Options:
    3 1/2 Inch
    $177.99
    Qty in Cart: 0
    Price:
    $177.99
    Subtotal:
  • 70 Inch Stainless Steel Sleeper Shock Bag Cover W/ 6 - 3/4 Inch Button Light Holes For Peterbilt W/ Unibilt Sleeper

    70 Inch Stainless Steel Sleeper Shock Bag Cover W/ 6 - 3/4 Inch Button Light Holes For Peterbilt W/ Unibilt Sleeper

    ROADWORKS

    $355.99
    Stainless Steel 70 Inch Sleeper Shock Bag Cover W/ 6 - 3/4 Inch Button Light Holes* High Quality Sleeper Shock Bag Cover* 70 Inch* 6 - 3/4 Inch Button Light Holes* For Unibilt Sleepers* Sold...
    01-101100002
    SKU:
    01-101100002
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Product Type:
    Exterior
    $355.99
    Qty in Cart: 0
    Price:
    $355.99
    Subtotal:
  • 7 Inch Stainless Steel Door Chop For Peterbilt 378, 379, 386, 388, 389 W/ Cab Mounted Mirrors

    7 Inch Stainless Steel Door Chop For Peterbilt 378, 379, 386, 388, 389 W/ Cab Mounted Mirrors

    UNITED PACIFIC

    $73.99
    7 Inch Stainless Steel Door Chop Fits Peterbilt 378, 379, 386, 388, 389 W/ Cab Mounted Mirrors* High Quality Window Trim* 304 Premium Grade Stainless Steel* 7 Inch Drop* Chopped * Easy To Install...
    01-09140001
    SKU:
    01-09140001
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Height Options:
    7 Inch
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $73.99
    Qty in Cart: 0
    Price:
    $73.99
    Subtotal:
  • FREE SHIPPING
    12 Gauge Customs 15 X 13 Inch Stainless Steel Rear Window Visor For Peterbilt 300 Series Day Cab

    12 Gauge Customs 15 X 13 Inch Stainless Steel Rear Window Visor For Peterbilt 300 Series Day Cab

    TWELVE GAUGE

    $395.99
    15 X 13 Inch Stainless Steel Rear Window Visor By 12 Gauge Customs Fits Peterbilt 300 Series Day CabProtect and upgrade your Peterbilt Day Cab with this premium 13-15 Inch stainless steel large rear...
    01-09003176
    SKU:
    01-09003176
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Light Options:
    Without Lights
    Position:
    Rear
    Product Type:
    Exterior
    Style Options:
    Drop
    Height Options:
    15 Inch
    Size Options:
    16 Gauge
    Width Options:
    56 Inch
    $395.99
    Qty in Cart: 0
    Price:
    $395.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Catch Plate

    Stainless Steel Catch Plate

    AFTERMARKET

    $8.06
    SS Catch Plate4 State Trucks offers replacement stainless steel catch plates for rubber strap tension securement. These plates are made by Austin Hardware and Supply and we offer free shipping on...
    WJ90SS
    SKU:
    WJ90SS
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    Location:
    Made In USA
    $8.06
    Qty in Cart: 0
    Price:
    $8.06
    Subtotal:
  • FREE SHIPPING OVER $249
    Bawer Tool Box Aerator- 100MM

    Bawer Tool Box Aerator- 100MM

    BAWER TOOL BOXES

    $44.84
    100MM Tool Box Aerator By BawerAre you looking for a replacement aerator for your Bawer tool box? 4 State Trucks has the part you need to keep your tool box properly vented and dry. This quality...
    VA9997
    SKU:
    VA9997
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    Diameter Options:
    4 Inch
    $44.84
    Qty in Cart: 0
    Price:
    $44.84
    Subtotal:
  • FREE SHIPPING OVER $249
    Bawer Tool Box Gas Strut Spring Set For Open Down

    Bawer Tool Box Gas Strut Spring Set For Open Down

    BAWER TOOL BOXES

    $69.99
    Replacement Gas Shock Spring Strut Set For Bawer Tool BoxIs your Bawer toolbox lid having trouble closing smoothly? Look no further for the solution - 4 State Trucks offers a high-quality Bawer...
    VA9900
    SKU:
    VA9900
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    $69.99
    Qty in Cart: 0
    Price:
    $69.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Bawer Stainless Steel Tool Box T-Handle Replacement

    Bawer Stainless Steel Tool Box T-Handle Replacement

    BAWER TOOL BOXES

    $90.99
    Replacement T-Handle With Hidden Lock By Bawer Tool BoxEasily replace the latch on your Bawer tool box with this new style lockable t-handle. Made of stainless steel, it has a hidden lock and comes...
    V9964
    SKU:
    V9964
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Finish Options:
    Polished
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    $90.99
    Qty in Cart: 0
    Price:
    $90.99
    Subtotal:
  • FREE SHIPPING
    Hogebuilt 304 Stainless Fender Mounting Front Bracket For Peterbilt

    Hogebuilt 304 Stainless Fender Mounting Front Bracket For Peterbilt

    HOGEBUILT FENDERS

    $633.99
    This top of the line Hogebuilt 304 stainless steel bracket is for mounting full or half fenders. It bolts directly to the spring hanger and fits Peterbilt Air Leaf 1993 and newer suspension. Brackets...
    PPR_509
    SKU:
    PPR_509
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Rear Fenders
    Position:
    Passenger Side
    Position:
    Front
    Finish Options:
    Polished
    Style Options:
    Air Leaf Suspension
    Position:
    Driver Side
    Ready To Ship:
    Yes
    $633.99
    Qty in Cart: 0
    Price:
    $633.99
    Subtotal:
  • FREE SHIPPING OVER $249
    CSM 24 X 30 Inch Matte Black Poly Tommy Gun Logo Mud Flap

    CSM 24 X 30 Inch Matte Black Poly Tommy Gun Logo Mud Flap

    CHROME SHOP MAFIA

    $14.05
    Add bold Chrome Shop Mafia attitude to your rig with the CSM 24 x 30 Inch Matte Black Poly Tommy Gun Logo Mud Flap, built for dependable road protection and aggressive styling. Constructed from...
    PPR_20748
    SKU:
    PPR_20748
    Height Options:
    30 Inch
    Width Options:
    24 Inch
    Truck Class:
    Universal
    Location:
    Made In USA
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Mud Flaps
    Ready To Ship:
    Yes
    Color:
    Black
    Position:
    Driver Side
    Position:
    Passenger Side
    Material Options:
    Plastic/Poly
    $14.05
    Qty in Cart: 0
    Price:
    $14.05
    Subtotal:
  • Merritt 18 X 24 Inch Smooth Aluminum Tool Box With Door Options

    Merritt 18 X 24 Inch Smooth Aluminum Tool Box With Door Options

    MERRITT

    $1,330.99 - $2,087.99
    Equip your truck or workspace with the Merritt 18 x 24 Inch Smooth Aluminum Tool Box, offering unmatched durability, flexible door configurations, and professional styling. Options include single...
    PPR_205424
    SKU:
    PPR_205424
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Width Options:
    24 Inch
    Height Options:
    18 Inch
    Finish Options:
    Smooth
    Make:
    Universal Items
    Product Type:
    Toolboxes
    Finish Options:
    Diamond Plate
    Style Options:
    1 Door
    Length Options:
    60 Inch
    Location:
    Made In USA
    Length Options:
    48 Inch
    Style Options:
    2 Door
    $1,330.99 - $2,087.99
    Qty in Cart: 0
    Price:
    $1,330.99 - $2,087.99
    Subtotal:
  • Merritt 24 X 24 Inch Smooth Aluminum Tool Box With Door Options

    Merritt 24 X 24 Inch Smooth Aluminum Tool Box With Door Options

    MERRITT

    $1,149.99 - $1,979.99
    Boost your truck's organization with the Merritt 24 x 24 Inch Smooth Aluminum Tool Box, designed with flexible door options. Constructed of high-quality aluminum, this box resists corrosion, delivers...
    PPR_205422
    SKU:
    PPR_205422
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Height Options:
    24 Inch
    Location:
    Made In USA
    Finish Options:
    Smooth
    Width Options:
    24 Inch
    Length Options:
    36 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Toolboxes
    Length Options:
    48 Inch
    Length Options:
    24 Inch
    Style Options:
    1 Door
    Length Options:
    30 Inch
    Style Options:
    2 Door
    Finish Options:
    Diamond Plate
    Length Options:
    60 Inch
    $1,149.99 - $1,979.99
    Qty in Cart: 0
    Price:
    $1,149.99 - $1,979.99
    Subtotal:
  • 26 Inch 430 Stainless Steel Front/Rear Air Cleaner Light Panels For Peterbilt W/ 15 Inch Premium Donaldson

    26 Inch 430 Stainless Steel Front/Rear Air Cleaner Light Panels For Peterbilt W/ 15 Inch Premium Donaldson

    ROADWORKS

    $291.99 - $468.99
    Improve your rear-end style and mud flap support with this 30-inch 45-degree angled mud flap hanger. Designed as a high-quality aftermarket replacement, this heavy-duty hanger features a...
    PPR_204772
    SKU:
    PPR_204772
    Truck Class:
    Universal
    Material Options:
    Steel
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Color:
    Amber
    Location:
    Made In USA
    Color:
    Red
    Position:
    Rear
    Light Options:
    With Lights
    Style Options:
    Donaldson Style
    Height Options:
    26 Inch
    Product Type:
    Exterior
    Make:
    Peterbilt
    Finish Options:
    Polished
    Position:
    Front
    Diameter Options:
    15 Inch
    $291.99 - $468.99
    Qty in Cart: 0
    Price:
    $291.99 - $468.99
    Subtotal:
  • FREE SHIPPING OVER $249
    CSM SS Universal Hinged Permit Panel

    CSM SS Universal Hinged Permit Panel

    CHROME SHOP MAFIA

    $23.74 - $36.40
    Keep permits and IFTA decals organized with this stainless steel universal hinged permit panel from Chrome Shop Mafia. Built in the USA from corrosion-resistant stainless steel, this high-quality...
    PPR_204182
    SKU:
    PPR_204182
    Location:
    Made In USA
    Truck Class:
    Universal
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $23.74 - $36.40
    Qty in Cart: 0
    Price:
    $23.74 - $36.40
    Subtotal:
  • Front/Rear Air Cleaner Panels W/ Light Hole Options For Peterbilt 378, 379, 388, 389 & 389 Glider

    Front/Rear Air Cleaner Panels W/ Light Hole Options For Peterbilt 378, 379, 388, 389 & 389 Glider

    PHOENIX DESIGN

    $87.99 - $210.99
    Upgrade the look of your rig with stainless steel air cleaner panels designed for Peterbilt 378, 379, 382, 389, and 389 Glider models. These aftermarket panels are crafted from 304 stainless steel,...
    PPR_203964
    SKU:
    PPR_203964
    Light Options:
    Without Lights
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Position:
    Rear
    Position:
    Front
    Product Type:
    Exterior
    Height Options:
    15 Inch
    Style Options:
    Donaldson Style
    Height Options:
    24 1/2 Inch
    Height Options:
    26 Inch
    Height Options:
    13 Inch
    Height Options:
    18 Inch
    Height Options:
    19 Inch
    Height Options:
    22 Inch
    Height Options:
    19 1/2 Inch
    Height Options:
    24 Inch
    Height Options:
    21 1/2 Inch
    $87.99 - $210.99
    Qty in Cart: 0
    Price:
    $87.99 - $210.99
    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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