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Peterbilt 379 Tool & Battery Boxes

Explore precision-fit Peterbilt 379 battery boxes, step tool boxes with integrated steps, decorative battery box covers/trims/permit panels, and replacement lids/step plates/mounting hardware. So, whether you need a complete toolbox/battery box replacement, an aesthetic upgrade, or repair parts, you can find it here.
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  • Stainless Steel Tool Box Cover- 9.85 X 30 Inch For Peterbilt 379

    Stainless Steel Tool Box Cover- 9.85 X 30 Inch For Peterbilt 379

    PHOENIX DESIGN

    $59.99
    9.85 X 30 Inch SS Tool Box Cover Fits Peterbilt 379Protect your tools and gear with the durable 9.85 x 30 Inch Stainless Steel Tool Box Cover, designed for a perfect fit on Peterbilt trucks. Crafted...
    01-050100008
    SKU:
    01-050100008
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Toolboxes
    Make:
    Peterbilt
    $59.99
    Qty in Cart: 0
    Price:
    $59.99
    Subtotal:
  • Stainless Steel Tool & Battery Box Cover Set - 6 Piece For Peterbilt 379 1995-1996 - 6 Piece

    Stainless Steel Tool & Battery Box Cover Set - 6 Piece For Peterbilt 379 1995-1996 - 6 Piece

    PHOENIX DESIGN

    $172.99
    6 Piece SS Tool & Battery Box Cover Set Fits Peterbilt 379Designed for strength and a precise fit, this Stainless Steel Tool & Battery Box Cover Set is a reliable upgrade for Peterbilt 379 trucks...
    01-050100010
    SKU:
    01-050100010
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Toolboxes
    Make:
    Peterbilt
    $172.99
    Qty in Cart: 0
    Price:
    $172.99
    Subtotal:
  • Stainless Steel Battery Box Cover 30 X 12.5 Inch For Peterbilt 378, 379, 388, 389/Glider

    Stainless Steel Battery Box Cover 30 X 12.5 Inch For Peterbilt 378, 379, 388, 389/Glider

    PHOENIX DESIGN

    $68.99
    Battery Box Cover Stainless Steel 30 X 12.5 Inch Fits Peterbilt 378, 379, 388, 389/GliderProtect your Peterbilt truck's battery with the heavy-duty 12.5 x 30 Inch Stainless Steel Battery Box Cover,...
    01-050100006
    SKU:
    01-050100006
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Toolboxes
    Make:
    Peterbilt
    Length Options:
    30 Inch
    Height Options:
    12 1/2 Inch
    Ready To Ship:
    Yes
    $68.99
    Qty in Cart: 0
    Price:
    $68.99
    Subtotal:
  • Fiberglass Tool & Battery Box Cover For Peterbilt 378, 379, 389 Glider

    Fiberglass Tool & Battery Box Cover For Peterbilt 378, 379, 389 Glider

    FIBERTECH

    $600.99
    Tool & Battery Box Cover Fiberglass Fits Peterbilt 378, 379, 389 GliderProtect your Peterbilt's tools and batteries with the Fiberglass Tool & Battery Box Cover, engineered for durability and...
    01-050100002
    SKU:
    01-050100002
    Material Options:
    Fiberglass
    Truck Class:
    Heavy Duty
    Product Type:
    Toolboxes
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $600.99
    Qty in Cart: 0
    Price:
    $600.99
    Subtotal:
  • FREE SHIPPING OVER $249
    CSM Stainless Steel Battery Box Permit Panel 30 X 12.0875 Inch For Peterbilt 379 & 389

    CSM Stainless Steel Battery Box Permit Panel 30 X 12.0875 Inch For Peterbilt 379 & 389

    CHROME SHOP MAFIA

    $86.99
    Battery Box Permit Panel Stainless Steel 30 x 12 Inch By Chrome Shop MafiaDisplay all of your permits on your battery box with this shiny 30 inch long panel. It is made with stainless steel and...
    01-050100
    SKU:
    01-050100
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Exterior
    Height Options:
    12 Inch
    Length Options:
    30 Inch
    Ready To Ship:
    Yes
    $86.99
    Qty in Cart: 0
    Price:
    $86.99
    Subtotal:
  • VC 30 Inch Stainless Steel Rounded Battery Box W/ Locks For Peterbilt 379, 388, 389, 389 Glider

    VC 30 Inch Stainless Steel Rounded Battery Box W/ Locks For Peterbilt 379, 388, 389, 389 Glider

    VALLEY CHROME PLATING

    $1,391.99
    SS 30 Inch Lockable Battery Box With Rounded Edge By Valley ChromeElevate the security and durability of your Peterbilt truck with the Stainless Steel Rounded Battery Box with Locks, designed...
    01-050100001
    SKU:
    01-050100001
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Toolboxes
    Make:
    Peterbilt
    $1,391.99
    Qty in Cart: 0
    Price:
    $1,391.99
    Subtotal:
  • Merritt Aluminum In Frame Tool Box W/ Smooth Single Door- 22 X 9 X 24 Inch

    Merritt Aluminum In Frame Tool Box W/ Smooth Single Door- 22 X 9 X 24 Inch

    MERRITT

    $1,494.99
    22 X 9 X 24 Inch Aluminum In Frame Tool Box W/ Single Door By MerrittMaximize your storage space with the Merritt 22 x 9 x 24 Inch Aluminum In-Frame Tool Box, built for durability, functionality, and...
    00020827C
    SKU:
    00020827C
    Product Type:
    Toolboxes
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Length Options:
    22 Inch
    Make:
    Universal Items
    Height Options:
    9 Inch
    Finish Options:
    Smooth
    Width Options:
    24 Inch
    Ready To Ship:
    Yes
    Location:
    Made In USA
    Style Options:
    In Frame
    $1,494.99
    Qty in Cart: 0
    Price:
    $1,494.99
    Subtotal:
  • FREE SHIPPING
    BLEMISHED: CSM SS Battery / Tool Box Replacement Lid W/ Square Corners For Peterbilt 378, 379 & 389 With No Upper Step

    BLEMISHED: CSM SS Battery / Tool Box Replacement Lid W/ Square Corners For Peterbilt 378, 379 & 389 With No Upper Step

    4 STATE TRUCKS

    $318.99
    Stainless Steel Battery Box & Tool Box Replacement Lid With No Upper Step By Chrome Shop MafiaNormally $418.99 Plus Shipping, Buy This One Now For $318.99 with Free Shipping! You Save $100+ Plus...
    ZB10001874
    SKU:
    ZB10001874
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $318.99
    Qty in Cart: 0
    Price:
    $318.99
    Subtotal:
  • Turnpike Truck Trim Stainless Steel Battery Box & Toolbox Covers For Peterbilt 379, 388, 389 & 389 Glider

    Turnpike Truck Trim Stainless Steel Battery Box & Toolbox Covers For Peterbilt 379, 388, 389 & 389 Glider

    TURNPIKE TRUCK TRIM

    $515.99 - $928.99
    Protect your Peterbilt truck with Turnpike Truck Trim Stainless Steel Battery Box and Toolbox Covers, designed for models 379, 388, 389, and 389 Glider. These high-quality stainless steel covers...
    PPR_299242
    SKU:
    PPR_299242
    Product Type:
    Frame & Chassis
    Size Options:
    14 Gauge
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Finish Options:
    Mirror
    Ready To Ship:
    Yes
    Finish Options:
    Polished
    Length Options:
    31 1/2 Inch
    Length Options:
    30 1/2 Inch
    $515.99 - $928.99
    Qty in Cart: 0
    Price:
    $515.99 - $928.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Bawer Black Tool Box Top Tray W/ Stainless Steel Panel Plates & 6 Inch Oval Light Hole- 4 X 18 X 60 Inch

    Bawer Black Tool Box Top Tray W/ Stainless Steel Panel Plates & 6 Inch Oval Light Hole- 4 X 18 X 60 Inch

    BAWER TOOL BOXES

    Now: $115.72
    Was: $234.99
    4 X 18 X 60 Inch Black Tool Box Top Tray With SS Panel Plates & 6 Inch Oval Light Hole By BawerProtect your tools and enhance your Bawer 60-inch tool box with the Black Top Tray featuring stainless...
    019999E7
    SKU:
    019999E7
    Product Type:
    Toolboxes
    Height Options:
    4 Inch
    Material Options:
    Stainless Steel
    Width Options:
    60 Inch
    Color:
    Black
    Light Options:
    Without Lights
    Length Options:
    18 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $115.72
    Was: $234.99
    Qty in Cart: 0
    Price:
    Now: $115.72
    Was: $234.99
    Subtotal:
  • Limited Quantity Available
    Bawer Stainless Steel Tool Box Top Tray W/ 6 Inch Oval Light Hole- 4 X 18 X 60 Inch

    Bawer Stainless Steel Tool Box Top Tray W/ 6 Inch Oval Light Hole- 4 X 18 X 60 Inch

    BAWER TOOL BOXES

    $338.99
    4 X 18 X 60 Inch SS Tool BoxTop Tray With 6 Inch Oval Light Hole By BawerImprove the performance and appearance of your 60-inch Bawer tool box with the Stainless Steel Top Tray, designed with a...
    019999E8
    SKU:
    019999E8
    Product Type:
    Toolboxes
    Width Options:
    18 Inch
    Height Options:
    4 Inch
    Light Options:
    Without Lights
    Length Options:
    60 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $338.99
    Qty in Cart: 0
    Price:
    $338.99
    Subtotal:
  • Herd Black Saddle Tool Box- 24 Inch

    Herd Black Saddle Tool Box- 24 Inch

    HERD BUMPERS

    $1,384.99
    24 Inch Black Saddle Tool Box By HerdEquip your truck with dependable storage using the Herd 24 Inch Black Saddle Tool Box, engineered for toughness and efficiency. This high-quality saddle tool box...
    09-0201028
    SKU:
    09-0201028
    Color:
    Black
    Width Options:
    24 Inch
    Make:
    Universal Items
    Product Type:
    Toolboxes
    $1,384.99
    Qty in Cart: 0
    Price:
    $1,384.99
    Subtotal:
  • Herd Black In- Frame Battery Box- 30 Inch

    Herd Black In- Frame Battery Box- 30 Inch

    HERD BUMPERS

    $850.99
    30 Inch In- Frame Battery Box By HerdStrengthen your truck's battery storage system with the Herd 30 Inch In-Frame Battery Box in a protective black finish. Crafted for durability, this high-quality...
    09-0201026
    SKU:
    09-0201026
    Width Options:
    30 Inch
    Color:
    Black
    Product Type:
    Toolboxes
    Make:
    Universal Items
    $850.99
    Qty in Cart: 0
    Price:
    $850.99
    Subtotal:
  • Herd Black Standard In-Frame Tool Box - 7.5 Inch Deep

    Herd Black Standard In-Frame Tool Box - 7.5 Inch Deep

    HERD BUMPERS

    $565.99
    7.5 Inch Black Standard In-Frame Tool Box By HerdKeep your tools organized and protected with the Herd Black Standard In-Frame Tool Box. With a shallow 7.5-inch depth, this in-frame design maximizes...
    09-0201024
    SKU:
    09-0201024
    Color:
    Black
    Make:
    Universal Items
    Product Type:
    Toolboxes
    Finish Options:
    Black Powder Coat
    Width Options:
    7 1/2 Inch
    $565.99
    Qty in Cart: 0
    Price:
    $565.99
    Subtotal:
  • Herd Black Saddle Tool Box- 12 Inch

    Herd Black Saddle Tool Box- 12 Inch

    HERD BUMPERS

    $1,227.99
    12 Inch Black Saddle Tool Box By HerdAdd practical storage to your truck with the Herd 12 Inch Black Saddle Tool Box, built for durability and professional styling. This high-quality saddle tool box...
    09-0201027
    SKU:
    09-0201027
    Width Options:
    12 Inch
    Color:
    Black
    Make:
    Universal Items
    Product Type:
    Toolboxes
    $1,227.99
    Qty in Cart: 0
    Price:
    $1,227.99
    Subtotal:
  • Stainless Steel Tool Box Replacement 30 Inch W/ Hardware For Peterbilt

    Stainless Steel Tool Box Replacement 30 Inch W/ Hardware For Peterbilt

    TRUX ACCESSORIES

    $1,356.99
    Stainless Steel Tool Box Replacement 30 Inch W/ Hardware Fits PeterbiltEnsure your toolbox stays secure and stylish with this high-quality 30 Inch Stainless Steel Tool Box Replacement. Engineered...
    01-05020037
    SKU:
    01-05020037
    Material Options:
    Stainless Steel
    Length Options:
    30 Inch
    Make:
    Peterbilt
    $1,356.99
    Qty in Cart: 0
    Price:
    $1,356.99
    Subtotal:
  • 30 Inch Stainless Steel Battery Box Replacement For Peterbilt

    30 Inch Stainless Steel Battery Box Replacement For Peterbilt

    TRUX ACCESSORIES

    $1,379.99
    Peterbilt 30 Inch Stainless Steel Battery BoxThe 30 Inch Stainless Steel Battery Box Replacement is the ultimate solution for Peterbilt owners looking to safeguard their battery system with tough,...
    01-05010081
    SKU:
    01-05010081
    Material Options:
    Stainless Steel
    Length Options:
    30 Inch
    Make:
    Peterbilt
    Product Type:
    Frame & Chassis
    $1,379.99
    Qty in Cart: 0
    Price:
    $1,379.99
    Subtotal:
  • Aluminum Lid For Iowa Customs In-Frame Tool Box

    Aluminum Lid For Iowa Customs In-Frame Tool Box

    IOWA CUSTOMS

    $361.99
    Aluminum In Frame Tool Box Lid By Iowa CustomsProtect your equipment with the Aluminum Lid for Iowa Customs In-Frame Tool Boxes, designed for long-lasting durability and easy access. Made from...
    09-050200007
    SKU:
    09-050200007
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Location:
    Made In USA
    Product Type:
    Toolboxes
    $361.99
    Qty in Cart: 0
    Price:
    $361.99
    Subtotal:
  • FREE SHIPPING
    Aluminum Large Mouth Step Box- 24 X 25 X 28 Inch

    Aluminum Large Mouth Step Box- 24 X 25 X 28 Inch

    AUTOMANN USA

    $877.99
    24 X 25 X 28 Inch Aluminum Large Mouth Step BoxReinforce your truck's storage and step access with the Aluminum Large Mouth Step Box - 24 x 25 x 28 Inch. Featuring aluminum construction, a large...
    09-05020001
    SKU:
    09-05020001
    Width Options:
    25 Inch
    Height Options:
    28 Inch
    Material Options:
    Aluminum
    Length Options:
    24 Inch
    Make:
    Universal Items
    Product Type:
    Toolboxes
    Size Options:
    9 Gauge
    $877.99
    Qty in Cart: 0
    Price:
    $877.99
    Subtotal:
  • T-Handle Replacement For Old Style Bawer Tool Box

    T-Handle Replacement For Old Style Bawer Tool Box

    BAWER TOOL BOXES

    $11.99
    Replacement Old Style Bawer Tool Box T-Handle* High Quality T-Handle* Not Complete Handle* Held On With Roll Pin* Sold Individually* Warranty On T-Handles Against Defects In Workmanship & Material...
    TC999964
    SKU:
    TC999964
    Product Type:
    Toolboxes
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Ready To Ship:
    Yes
    $11.99
    Qty in Cart: 0
    Price:
    $11.99
    Subtotal:
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Adding your products to cart

Peterbilt Battery Box Step Assemblies & Tool Boxes

Equip your rig with a complete Peterbilt battery box step assembly, OE-style direct replacements, or high-end chrome slip covers. Whether you need a 304-stainless steel step box from CMS for a custom show truck look or a durable BESTfit diamond plate aluminum step box, we have the exact fitment for your heavy-duty truck. Experience the benefit of stylizing your Peterbilt 379 while protecting your batteries and equipment from the elements:
  • Protect Essential Gear: Shield heavy-duty batteries and tools from harsh road conditions.
  • Maximize Cab Space: Relocate storage directly to the frame.
  • Boost Accessibility: Safely access your cab or deck with rugged, perforated lower steps.
  • Custom Styling: Choose from smooth mirror-polished, diamond plate, or sunburst-style finishes.

Battery Box Peterbilt 379 Upgrades & Replacements

Upgrade your factory setup with lightweight aluminum battery boxes featuring weather-sealed storage and durable “new style" step plates. Looking for specialized storage? Explore compact Merritt-made boxes equipped with hinged doors, T-handles, and ergonomic anti-slip steps.

Peterbilt 379 Battery Box Covers, Lids & Hardware

Add the final touch with paintable fiberglass or shining stainless steel battery box covers and permit panels. Complete the restoration by swapping worn-out tops with locking replacement lids, perforated stainless-steel lower step plates, and heavy-duty brackets that bolt securely to your Peterbilt 379 frame/chassis. Pair your new exterior stainless upgrades with Peterbilt 379 rear fenders, Peterbilt 379 deck plates and airline boxes, or add heavy-duty protection with Peterbilt 379 mud guards.

Frequently Asked Questions About Peterbilt 379 Tool & Battery Boxes

Will a tool or battery box made for the Peterbilt 379 fit my truck without modification?

Most boxes in this category are designed to match the 379's frame rail spacing and step/fairing layout, but fit can still vary depending on your truck's specific configuration, such as fuel tank size, frame length, and whether you have factory or aftermarket brackets already installed. Always check the listed dimensions and mounting hole pattern against your truck before ordering, and reach out to our team if you're unsure about compatibility.

What materials are these boxes made from, and how do they hold up over time?

You'll typically find these boxes offered in aluminum or steel, with aluminum being the more common choice for its lighter weight and natural corrosion resistance. Steel boxes are generally heavier and may offer added durability against impacts, but require more attention to prevent rust, especially in areas exposed to road salt and moisture. Finish options like diamond plate, smooth aluminum, or painted steel are available depending on the model, so consider both look and long-term maintenance when choosing.

How are these boxes typically mounted, and can I install one myself?

Most tool and battery boxes mount to the frame rail using brackets, either bolting directly into existing holes or requiring new holes to be drilled, depending on the box and your truck's setup. Many owners install these themselves with basic hand tools, but you'll want to plan for proper support given the weight of the box plus tools or batteries once loaded. If you're not comfortable drilling into your frame or aligning brackets, a shop install is a reasonable option.

Do battery boxes come with the necessary hardware, venting, or hold-down straps included?

This varies by product, so it's important to check the specific listing details before purchasing. Some battery boxes include mounting hardware, hold-down straps, and vent holes for battery gassing, while others are sold as the box only, requiring you to source hardware and safety components separately. If venting and secure hold-downs are a priority for your application, confirm these features are included before checkout.

Can these boxes handle the weight of tools, chains, or multiple batteries without sagging or failing?

Weight capacity depends on the gauge of material used and the mounting hardware supporting the box, so it's worth checking any listed weight ratings before loading it up. Heavier steel boxes generally handle more weight without flexing, while lighter aluminum options are better suited for tools and lighter gear rather than maximum battery loads. If you plan to carry particularly heavy items, look for boxes specifically rated for that use or consider additional bracket support.


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