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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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  • 0.625 X .875 Inch Shoulder Bolt For Luverne And Protech Grille Guards

    0.625 X .875 Inch Shoulder Bolt For Luverne And Protech Grille Guards

    LUVERNE

    $23.92
    .625 X .875 Inch Shoulder Bolt For Luverne And Protech Grille Guards* High Quality Shoulder Bolt* Used For Grille Guards* .625 Inch X .875 Inch* Sold Individually* Warranty On Shoulder Bolts Against...
    09-0109015
    SKU:
    09-0109015
    Product Type:
    Hood Parts & Acc.
    Make:
    Universal Items
    $23.92
    Qty in Cart: 0
    Price:
    $23.92
    Subtotal:
  • Stainless Steel Sleeper Panel With Extension Kit - Blank For Peterbilt 388 / 389

    Stainless Steel Sleeper Panel With Extension Kit - Blank For Peterbilt 388 / 389

    TRUX ACCESSORIES

    $294.99
    Peterbilt 388 / 389 Stainless Steel Sleeper Panel With Extension Kit* High Quality Sleeper Kit* 72 Inch (Old 63 Inch) Sleeper With Extension Kit* Blank* For Peterbilt 389/388* Stainless Steel* 72...
    01-101201038
    SKU:
    01-101201038
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Position:
    Kit Full
    Length Options:
    72 Inch
    Make:
    Peterbilt
    $294.99
    Qty in Cart: 0
    Price:
    $294.99
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  • 6.5 Inch Galvanized Panels For Peterbilt 70 & 78 Unibilt Sleepers W/ Ext, 300 Series

    6.5 Inch Galvanized Panels For Peterbilt 70 & 78 Unibilt Sleepers W/ Ext, 300 Series

    PHOENIX DESIGN

    $377.99
    6.5 Inch Galvanized Panels* High Quality Sleeper/Extension Panels* Galvanized* 6.5 Inch* Made In USA* Sold As Pair* Warranty On Sleeper/Extension Panels Against Defects In Workmanship & Material From...
    01-10123309
    SKU:
    01-10123309
    Product Type:
    Exterior
    $377.99
    Qty in Cart: 0
    Price:
    $377.99
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  • 4 X 70 Inch Paintable Galvanized Sleeper Panels For Peterbilt 300 Series

    4 X 70 Inch Paintable Galvanized Sleeper Panels For Peterbilt 300 Series

    PHOENIX DESIGN

    $174.99
    Peterbilt 70 Inch Sleeper Panels* High Quality Sleeper Panels* Galvanized Stainless Steel* 4 Inch* Paintable * Made In USA* Sold Individually* Warranty On Sleeper Panels Against Defects In...
    01-1012139
    SKU:
    01-1012139
    Product Type:
    Exterior
    $174.99
    Qty in Cart: 0
    Price:
    $174.99
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  • 6.5 Inch Steel Sleeper Panels With Extenders - Blank For Peterbilt 70-78 Inch Sleeper 300 Series

    6.5 Inch Steel Sleeper Panels With Extenders - Blank For Peterbilt 70-78 Inch Sleeper 300 Series

    PHOENIX DESIGN

    $216.99
    6.5 Inch Steel Sleeper Panels With Extenders - Blank* High Quality Sleeper Panels* Steel* 6.5 Inch* Paintable* No Lights Or Light Holes* Made In USA* Sold As Pair* Warranty On Sleeper Panels Against...
    01-101201153
    SKU:
    01-101201153
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $216.99
    Qty in Cart: 0
    Price:
    $216.99
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  • 63 Inch Sleeper Extension Panels With 8 Rnd 3/4 Inch Light Holes For Peterbilt 388, 389

    63 Inch Sleeper Extension Panels With 8 Rnd 3/4 Inch Light Holes For Peterbilt 388, 389

    TRUX ACCESSORIES

    $337.99
    63 Inch Sleeper Extension Panels With 8 Rnd 3/4 Inch Light Holes* High Quality Sleeper Panels* Stainless Steel* 72 Inch * (18) 3/4 Inch Light Holes* Hardware Included* Sold As Pair* Warranty On...
    01-101201042
    SKU:
    01-101201042
    Product Type:
    Exterior
    $337.99
    Qty in Cart: 0
    Price:
    $337.99
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  • Paintable Sleeper Extension Panels With 4 Rnd 3/4 Inch Lights For Peterbilt 300 Series

    Paintable Sleeper Extension Panels With 4 Rnd 3/4 Inch Lights For Peterbilt 300 Series

    PHOENIX DESIGN

    $186.99
    Peterbilt Paintable Sleeper Extension Panels* High Quality Sleeper Extension Panel* Galvanized* (4) Round 3/4 Inch Light* Made In USA* Sold As Pair* Warranty On Sleeper Extension Panels Against...
    01-101200895
    SKU:
    01-101200895
    Product Type:
    Exterior
    $186.99
    Qty in Cart: 0
    Price:
    $186.99
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  • 4 Inch Tall Sleeper Panel W-22 Rnd 3/4-Inch Downglow Lights - Amber LED / Amber Lens - Pair For Peterbilt 70 & 78 Inch Sleepers

    4 Inch Tall Sleeper Panel W-22 Rnd 3/4-Inch Downglow Lights - Amber LED / Amber Lens - Pair For Peterbilt 70 & 78 Inch Sleepers

    PHOENIX DESIGN

    $383.99
    Peterbilt 70 and 78 Inch Sleeper Panels With Amber Down Glow Led Lights* High Quality Sleeper Panel* Stainless Steel* 4 Inch* (11) Round 3/4 Inch Round Lights Per Side* Amber LED/ Amber Lens* Down...
    01-101200686
    SKU:
    01-101200686
    Product Type:
    Exterior
    $383.99
    Qty in Cart: 0
    Price:
    $383.99
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  • 58 To 72 Inch SS Sleeper Extension Panels- Blank For Peterbilt 388, 389

    58 To 72 Inch SS Sleeper Extension Panels- Blank For Peterbilt 388, 389

    TRUX ACCESSORIES

    $111.99
    58 To 72 Inch SS Sleeper Extension Panels- Blank* High Quality Sleeper Extension Panels* Stainless Steel* 58 To 72 Inch* Blank* Hardware Included* Sold Individually* Warranty On Sleeper Extension...
    01-101201034
    SKU:
    01-101201034
    Product Type:
    Exterior
    $111.99
    Qty in Cart: 0
    Price:
    $111.99
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  • 4 X 70 Inch SS Unibilt Sleeper Panel With 3/4 Inch Downglow Light Holes For Peterbilt 330, 335, 337, 352, 357, 378, 359, 362, 367, 375, 377, 379, 386, 387, 388, 389

    4 X 70 Inch SS Unibilt Sleeper Panel With 3/4 Inch Downglow Light Holes For Peterbilt 330, 335, 337, 352, 357, 378, 359, 362, 367, 375, 377, 379, 386, 387, 388, 389

    PHOENIX DESIGN

    $362.99
    4 X 70 Inch SS Unibilt Sleeper Panel With 3/4 Inch Down Glow Light Holes* High Quality Sleeper Panel* Stainless Steel* 4 Inch x 70 Inch* With 3/4 Inch Down Glow Light Holes* Made In USA* Sold...
    01-101200803
    SKU:
    01-101200803
    Product Type:
    Exterior
    $362.99
    Qty in Cart: 0
    Price:
    $362.99
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  • 2.5 X 70 Inch SS Sleeper Panel With Extensions Blank For Peterbilt 300 Series

    2.5 X 70 Inch SS Sleeper Panel With Extensions Blank For Peterbilt 300 Series

    PHOENIX DESIGN

    $436.99
    2.5 X 70 Inch SS Sleeper Panel With Extensions Blank* High Quality Sleeper Panel* 304 Stainless Steel* 2.5 Inch Face* Blank* With Extension* Made In USA* Sold As Pair* Warranty On Sleeper Panels...
    01-1012000157
    SKU:
    01-1012000157
    Product Type:
    Exterior
    $436.99
    Qty in Cart: 0
    Price:
    $436.99
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  • 3 Inch Paintable Galvanized Exhaust Filler Panel For Peterbilt Trucks W/O Side Exhaust

    3 Inch Paintable Galvanized Exhaust Filler Panel For Peterbilt Trucks W/O Side Exhaust

    PHOENIX DESIGN

    $68.99
    3 Inch Paintable Galvanized Exhaust Filler Panel* High Quality Exhaust Filler Panel* Galvanized* 3 Inch* Paintable * Fills The Gap Between The Cab And Sleeper * For Trucks W/O Side Exhaust* Made In...
    01-09123386
    SKU:
    01-09123386
    Product Type:
    Exterior
    $68.99
    Qty in Cart: 0
    Price:
    $68.99
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  • 2.25 X 44 Inch Cab Panels Blank - Pair For Peterbilt 388 2008- 2014

    2.25 X 44 Inch Cab Panels Blank - Pair For Peterbilt 388 2008- 2014

    PHOENIX DESIGN

    $239.99
    2.25 X 44 Inch Cab Panels Blank - Pair* High Quality Cab Panels* 2.25 Inch x 44 Inch* Blank* Made In USA* Sold As Pair* Warranty On Cab Panels Against Defects In Workmanship & Material From Date Of...
    01-091201504
    SKU:
    01-091201504
    Product Type:
    Exterior
    $239.99
    Qty in Cart: 0
    Price:
    $239.99
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  • 2.25/1.75 X 44 Inch Cab Panels Blank - Pair For Peterbilt 388 2008- 2014

    2.25/1.75 X 44 Inch Cab Panels Blank - Pair For Peterbilt 388 2008- 2014

    PHOENIX DESIGN

    $221.99
    2.25/1.75 X 44 Inch Cab Panels Blank - Pair* High Quality Cab Panels* 44 Inch* Blank* Made In USA* Sold As Pair* Warranty On Cab Panels Against Defects In Workmanship & Material From Date Of...
    01-091201503
    SKU:
    01-091201503
    Product Type:
    Exterior
    $221.99
    Qty in Cart: 0
    Price:
    $221.99
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  • 2.5 X 44 Inch Stainless Steel Cab Panels Blank For Peterbilt 379, 388, 389

    2.5 X 44 Inch Stainless Steel Cab Panels Blank For Peterbilt 379, 388, 389

    PHOENIX DESIGN

    $101.99
    2.5 X 44 Inch Stainless Steel Cab Panels Blank* High Quality Cab Panels* Stainless Steel* Dimensions:  - 44 Inch  - 2.5 Inch Face* Blank* Made In USA* Sold As Pair* Warranty On Cab Panels Against...
    01-091201423
    SKU:
    01-091201423
    Product Type:
    Exterior
    $101.99
    Qty in Cart: 0
    Price:
    $101.99
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  • 3 Inch Paintable Galvanized Steel Extended Cab Panels - Blank For Peterbilt 378, 379, 388, 389

    3 Inch Paintable Galvanized Steel Extended Cab Panels - Blank For Peterbilt 378, 379, 388, 389

    PHOENIX DESIGN

    $112.99
    Extended Cab Panels-3 Inch Blanks* High Quality Cab Panels* Galvanized Steel* 3 Inch* Paintable* Made In USA* Sold Individually* Warranty On Cab Panels Against Defects In Workmanship & Material From...
    01-091201400
    SKU:
    01-091201400
    Finish Options:
    Paintable
    Product Type:
    Exterior
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    $112.99
    Qty in Cart: 0
    Price:
    $112.99
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  • 4 Inch Stainless Steel Cab Cowl One Piece Panels For Peterbilt 388, 389 Short Hood

    4 Inch Stainless Steel Cab Cowl One Piece Panels For Peterbilt 388, 389 Short Hood

    PHOENIX DESIGN

    $850.99
    4 Inch Stainless Steel Cab Cowl One Piece Panels* High Quality Cab Cowl* Stainless Steel* 4 Inch* No Light Holes* Made In USA* Sold Individually* Warranty On Cab Cowls Against Defects In Workmanship...
    01-091201568
    SKU:
    01-091201568
    Product Type:
    Exterior
    $850.99
    Qty in Cart: 0
    Price:
    $850.99
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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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