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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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  • On Sale
    Limited Quantity Available
    31 Inch Smoke & Mirror Smooth SS Quarter Fenders 16 Gauge

    31 Inch Smoke & Mirror Smooth SS Quarter Fenders 16 Gauge

    TRUX ACCESSORIES

    $439.99 - $545.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks31 Inch Black Mirror Finish SS Quarter Fenders W/ Triangle Mounts31 Inch Smoke & Mirror Smooth 16 Gauge...
    PPR_299070
    SKU:
    PPR_299070
    Product Type:
    Rear Fenders
    Size Options:
    16 Gauge
    Position:
    Kit Full
    Length Options:
    31 Inch
    Material Options:
    Stainless Steel
    Style Options:
    Straight Drop
    Type Options:
    Quarter Fender
    Make:
    Universal Items
    $439.99 - $545.99
    Qty in Cart: 0
    Price:
    $439.99 - $545.99
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  • On Sale
    Limited Quantity Available
    Smoke & Mirror Stainless Mounting Kit For Half Tandem Fenders W/ Adjustable Colored Brackets

    Smoke & Mirror Stainless Mounting Kit For Half Tandem Fenders W/ Adjustable Colored Brackets

    TRUX ACCESSORIES

    Now: $289.51
    Was: $328.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksSmoke & Mirror Half Fender Mounting Kit W/ Black Adjustable Brackets14 Gauge Stainless Mounting Kit For...
    PPR_299068
    SKU:
    PPR_299068
    Product Type:
    Rear Fenders
    Position:
    Kit Full
    Material Options:
    Stainless Steel
    Size Options:
    14 Gauge
    Type Options:
    Half Fender
    Make:
    Universal Items
    Now: $289.51
    Was: $328.99
    Qty in Cart: 0
    Price:
    Now: $289.51
    Was: $328.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    80 Inch Smoke & Mirror Stainless Steel Single Axle Fenders W/ 24 Inch Drop & Color Options

    80 Inch Smoke & Mirror Stainless Steel Single Axle Fenders W/ 24 Inch Drop & Color Options

    TRUX ACCESSORIES

    $696.95 - $805.19
    Make a bold statement with 80 Inch Smoke & Mirror Stainless Steel 14 Gauge Single Axle Fenders. Built for strength and durability, these fenders protect tires from debris while showcasing a polished...
    PPR_299071
    SKU:
    PPR_299071
    Product Type:
    Rear Fenders
    Length Options:
    80 Inch
    Type Options:
    Full Radius Fender
    Height Options:
    24 Inch
    Size Options:
    14 Gauge
    Material Options:
    Stainless Steel
    Position:
    Kit Full
    Make:
    Universal Items
    Color:
    Black
    Color:
    Green
    Finish Options:
    Polished
    Color:
    Blue
    Style Options:
    Smooth Rolled Edge
    Color:
    Purple
    $696.95 - $805.19
    Qty in Cart: 0
    Price:
    $696.95 - $805.19
    Subtotal:
  • On Sale
    Limited Quantity Available
    72 Inch Smoke & Mirror Smooth Half Fender With 41 Inch Drop 16 Gauge

    72 Inch Smoke & Mirror Smooth Half Fender With 41 Inch Drop 16 Gauge

    TRUX ACCESSORIES

    $644.15 - $684.63
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks72 Inch Black Mirror Finish Half Fenders with Flange72 Inch OAL Smoke & Mirror Smooth 16 Gauge Half...
    PPR_299069
    SKU:
    PPR_299069
    Product Type:
    Rear Fenders
    Length Options:
    72 Inch
    Type Options:
    Half Fender
    Height Options:
    41 Inch
    Size Options:
    16 Gauge
    Position:
    Kit Full
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $644.15 - $684.63
    Qty in Cart: 0
    Price:
    $644.15 - $684.63
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  • SS Tape Mount Flat Permit Panel 18 Gauge

    SS Tape Mount Flat Permit Panel 18 Gauge

    JML KUSTOMS

    $15.29 - $24.47
    Choose Option(s) to see description.4 X 4 Inch 304 SS Tape Mount Flat Permit Panel18 Gauge SS Universal Tape Mount Flat Permit PanelThe 4" x 4" flat permit panels are made of durable 18-gauge 304...
    PPR_299008
    SKU:
    PPR_299008
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Exterior
    $15.29 - $24.47
    Qty in Cart: 0
    Price:
    $15.29 - $24.47
    Subtotal:
  • CSM 100 Inch 304 Stainless Steel Quilted Pattern Full Radius Fender With Long Drop

    CSM 100 Inch 304 Stainless Steel Quilted Pattern Full Radius Fender With Long Drop

    CHROME SHOP MAFIA

    $2,008.99
    100 Inch Quilted Pattern SS Long Drop Full Radius Fenders By Chrome Shop MafiaUpgrade your truck's style and protection with the CSM 100 Inch 304 Stainless Steel Quilted Pattern Full Radius Fender...
    09-11030125
    SKU:
    09-11030125
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    $2,008.99
    Qty in Cart: 0
    Price:
    $2,008.99
    Subtotal:
  • 16 Gauge SS Center Of Cab Roof Interior Panel W/ 5 Watermelon Style Light Holes For Peterbilt 386, 387, 388, 389

    16 Gauge SS Center Of Cab Roof Interior Panel W/ 5 Watermelon Style Light Holes For Peterbilt 386, 387, 388, 389

    JML KUSTOMS

    $499.99
    Peterbilt Interior (Headliner) Roof Panel Light Bracket* High Quality Cab Roof Panel* 16 Gauge 304 Stainless Steel* 41 Inch X 20 1/4 Inch* (5) Watermelon Light Holes* No Drilling Required* Made In...
    01-101500011
    SKU:
    01-101500011
    Length Options:
    41 Inch
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Height Options:
    20 1/4 Inch
    Make:
    Peterbilt
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $499.99
    Qty in Cart: 0
    Price:
    $499.99
    Subtotal:
  • Bawer Double Door Kit For TU823501 Tool Box

    Bawer Double Door Kit For TU823501 Tool Box

    BAWER TOOL BOXES

    $297.99
    Double Door Kit For Bawer TU823501 Tool BoxReplace the doors on your TU823501 toolbox with the Bawer Replacement Double Door Kit for a fresh, reliable fit.* High Quality Double Door Kit* No Hardware*...
    TU823508
    SKU:
    TU823508
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Toolboxes
    Finish Options:
    Polished
    Material Options:
    Stainless Steel
    $297.99
    Qty in Cart: 0
    Price:
    $297.99
    Subtotal:
  • End Beam Bushing 6 Inch - 45407000, R309419, E9419 For Hendrickson

    End Beam Bushing 6 Inch - 45407000, R309419, E9419 For Hendrickson

    AFTERMARKET

    $133.99
    End Beam Bushing 2-1/2 ID x 4-3/4 OD x 6 Inch W/ 4-1/4in Sleeve* High Quality End Beam Bushing* Rubber* Dimensions:  - 2 1/2 Inch ID   - 4 3/4 Inch OD   - 6 Inch Length* With 4 1/4 Inch Sleeve* Made...
    29-05100193
    SKU:
    29-05100193
    Length Options:
    6 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Diameter Options:
    2 1/2 Inch
    $133.99
    Qty in Cart: 0
    Price:
    $133.99
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  • TPHD 79 Inch Aluminum Long Drop Half Fenders

    TPHD 79 Inch Aluminum Long Drop Half Fenders

    TPHD

    $860.99
    Smooth Aluminum 79 Inch Half Fender W/ Long DropProtect your truck with this aluminum half fender set, featuring a 79-inch overall length and an extended 3-inch longer drop for added coverage. Built...
    09-11010107
    SKU:
    09-11010107
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    $860.99
    Qty in Cart: 0
    Price:
    $860.99
    Subtotal:
  • TPHD 101 Inch Aluminum Full Fender With Rolled Edge

    TPHD 101 Inch Aluminum Full Fender With Rolled Edge

    TPHD

    $1,421.99
    TPHD Aluminum Full Fender With 32 Inch DropEnhance your truck's protection and style with this full aluminum fender set, measuring 101 inches tip to tip with a 32-inch drop and 1/8 inch thickness...
    09-11010105
    SKU:
    09-11010105
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Length Options:
    101 Inch
    Height Options:
    32 Inch
    Make:
    Universal Items
    Product Type:
    Rear Fenders
    Style Options:
    Long Drop
    Ready To Ship:
    Yes
    $1,421.99
    Qty in Cart: 0
    Price:
    $1,421.99
    Subtotal:
  • 2.5 Inch Stainless Steel Cab Panels With 3 P1 Lights Amber LED / Amber Lens For Peterbilt 379, 388 & 389

    2.5 Inch Stainless Steel Cab Panels With 3 P1 Lights Amber LED / Amber Lens For Peterbilt 379, 388 & 389

    PHOENIX DESIGN

    $345.99
    2.5 Inch Stainless Steel Cab Panels With Lights Spaced 12 Inches Apart* High Quality Cab Panels* Stainless Steel* 2.5 Inch* (3) P1 Lights On Either Side* Amber LED/Amber Lens* 12 Inch Spacing* One...
    01-091201415
    SKU:
    01-091201415
    Length Options:
    124 BBC
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Exterior
    $345.99
    Qty in Cart: 0
    Price:
    $345.99
    Subtotal:
  • Rear Single Leaf Z Spring - 56940000 For Hendrickson

    Rear Single Leaf Z Spring - 56940000 For Hendrickson

    AFTERMARKET

    $436.99
    Hendrickson Single Leaf Z Spring* High Quality Z Spring* Width-3 Inch * Spring Eye- No* Number Of Leaves- Single* Center Bolt Size- Stud* Made In USA* Sold Individually* Warranty On Z Springs Against...
    29-05100117
    SKU:
    29-05100117
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Width Options:
    3 Inch
    $436.99
    Qty in Cart: 0
    Price:
    $436.99
    Subtotal:
  • Rear Single Leaf Z Spring - 21,000 lbs. Capacity

    Rear Single Leaf Z Spring - 21,000 lbs. Capacity

    AFTERMARKET

    $479.99
    Hendrickson Truck Air Leaf Spring -1 Leaf Replaces 56943-000.* High Quality Z Spring* 3 Inch Width* 2 Holes At 6-1/2 Inch C To C* Spring Eye- No* Number Of Leaves- Single* Center Bolt Size- Stud*...
    29-05100116
    SKU:
    29-05100116
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Width Options:
    3 Inch
    $479.99
    Qty in Cart: 0
    Price:
    $479.99
    Subtotal:
  • Single Leaf Z Spring - 20,000 lbs. Capacity

    Single Leaf Z Spring - 20,000 lbs. Capacity

    AFTERMARKET

    $469.99
    Hendrickson Truck Air Leaf Spring - 1 Leaf Replaces 49835, 56871001, 4Qk4146* High Quality Z Spring* 3 Inch Width* Number Of Leaves- Single* Center Bolt Size- Stud* 24 Inch Short End x 20-3/4 Inch...
    29-05100113
    SKU:
    29-05100113
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Width Options:
    3 Inch
    $469.99
    Qty in Cart: 0
    Price:
    $469.99
    Subtotal:
  • Silent Block Bushing 0.438 ID X 0.875 OD X 1.813 Inch With 1.75 Inch Sleeve

    Silent Block Bushing 0.438 ID X 0.875 OD X 1.813 Inch With 1.75 Inch Sleeve

    BESTFIT TRUCK PARTS

    $5.77
    Silent Block Replaces J0921055, JO921055* High Quality Silent Block* Dimensions:  - 0.438 Inch Bushing ID  - 0.875 Inch Bushing OD  - 1.813 Inch Overall Length  - 1.750 Inch Bushing Sleeve Length*...
    21-05100001
    SKU:
    21-05100001
    Material Options:
    Steel
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Length Options:
    1 5/8 Inch
    Make:
    Jeep
    $5.77
    Qty in Cart: 0
    Price:
    $5.77
    Subtotal:
  • Single Air Leaf Z Spring - 8,000 lbs. Capacity For Hendrickson

    Single Air Leaf Z Spring - 8,000 lbs. Capacity For Hendrickson

    AFTERMARKET

    $544.99
    Hendrickson Truck Air Leaf Spring - 1 Leaf Replaces 48112001* High Quality Z Spring* 3 Inch Width* Spring Eye- No* Number Of Leaves- Single* Center Bolt Size- Stud* Center Bolt Head Size - 3/4 D x...
    29-05100114
    SKU:
    29-05100114
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Width Options:
    3 Inch
    $544.99
    Qty in Cart: 0
    Price:
    $544.99
    Subtotal:
  • FREE SHIPPING
    BLEMISHED: CSM Aluminum 5 X 36 Inch Sleeper Panels For Peterbilt

    BLEMISHED: CSM Aluminum 5 X 36 Inch Sleeper Panels For Peterbilt

    4 STATE TRUCKS

    $249.00
    Sleeper Panels Fits Peterbilt By Chrome Shop MafiaNormally $347.99 Plus Shipping, Buy This One Now For $249 with Free Shipping! You Save $95+ Plus Shipping Cost!***MINOR...
    ZB10001417
    SKU:
    ZB10001417
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $249.00
    Qty in Cart: 0
    Price:
    $249.00
    Subtotal:
  • FREE SHIPPING
    BLEMISHED: 3 Inch Sleeper Panels W/ 8 P1 Amber/Amber LED Lights For Peterbilt W/ 48/58 Inch Unibilt Sleepers No Extenders

    BLEMISHED: 3 Inch Sleeper Panels W/ 8 P1 Amber/Amber LED Lights For Peterbilt W/ 48/58 Inch Unibilt Sleepers No Extenders

    4 STATE TRUCKS

    $249.99
    Stainless Sleeper Panels W/ 8 P1 Amber LED Amber Lens LED Lights Fit Peterbilt W/ 48/58 Inch Unibilt Sleepers No ExtendersNormally $360.99 Plus Shipping, Buy This One Now For $249 with Free Shipping!...
    ZB10001283
    SKU:
    ZB10001283
    Color:
    Amber
    Material Options:
    Stainless Steel
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Exterior
    $249.99
    Qty in Cart: 0
    Price:
    $249.99
    Subtotal:
  • 18 Inch Metal Frame Wiper Blade For Peterbilt

    18 Inch Metal Frame Wiper Blade For Peterbilt

    AUTOMANN USA

    $5.77
    Peterbilt Metal Frame Multi-Fit Windshield Wiper Blade* High Quality Wiper Blade* 18 Inch* Metal Frame* Multi-Fit* Sold Individually* Warranty On Wiper Blades Against Defects In Workmanship &...
    29-09110034
    SKU:
    29-09110034
    Length Options:
    18 Inch
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Exterior
    $5.77
    Qty in Cart: 0
    Price:
    $5.77
    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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