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Peterbilt 379 Parts

At 4 State Trucks, you’ll find everything you need to keep your iconic 379 model running strong and looking sharp. From bumpers and exhausts to fuel tanks, fenders, and chrome trim, we’ve got Peterbilt accessories and parts designed to fit your specific model year (87’ – 07’). Whether it’s a full-body restoration, a small component replacement, or a custom upgrade, our lineup has what you need.

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  • Qty in Cart
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  • Aluminum Cab Rack W/ 50 Gallon Hydraulic Tank 76 X 68 Inch

    Aluminum Cab Rack W/ 50 Gallon Hydraulic Tank 76 X 68 Inch

    ICONIC

    $3,644.99
    Smooth Aluminum Cab Rack W/ Sight Temp Gauge On Side & 4 Mounting PortsWhen performance and simplicity matter, the 76 x 68 Inch Smooth Aluminum Cab Rack with Integrated 50 Gallon Tank delivers a...
    09-021100073
    SKU:
    09-021100073
    Capacity:
    50 Gallons
    Product Type:
    Cargo Control
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Width Options:
    76 Inch
    Height Options:
    68 Inch
    Make:
    Universal Items
    $3,644.99
    Qty in Cart: 0
    Price:
    $3,644.99
    Subtotal:
  • Brunner Stainless Steel Upper Cab Rack Light Bar W/ 8 Round 4 Inch Light Holes & 5 Round 2 Inch Light Holes

    Brunner Stainless Steel Upper Cab Rack Light Bar W/ 8 Round 4 Inch Light Holes & 5 Round 2 Inch Light Holes

    BRUNNER FABRICATION

    $1,247.99
    Upper Cab Rack Light Bar W/ 8 Round 4 Inch Light Holes & 5 Round 2 Inch Light Holes By BrunnerStrength, precision, and customization come together in the Brunner Upper Cab Rack Light Bar, engineered...
    09-0210110
    SKU:
    09-0210110
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $1,247.99
    Qty in Cart: 0
    Price:
    $1,247.99
    Subtotal:
  • 46 X 10 X 1.75 Inch Stainless Steel Rear Center Panel W/ 11 Round 3/4 Inch Light Holes

    46 X 10 X 1.75 Inch Stainless Steel Rear Center Panel W/ 11 Round 3/4 Inch Light Holes

    ARANDA TRUCK ACCESSORIES

    $223.99
    46 X 10 X 1.75 Inch Rear Center Panel W/ 11 Round Light HolesTransform your truck's rear-end with this 46 x 10 x 1.75 inch stainless steel rear center panel. Featuring eleven 3/4 inch light holes...
    09-011100150
    SKU:
    09-011100150
    Height Options:
    10 Inch
    Product Type:
    Bumpers
    Material Options:
    Stainless Steel
    Length Options:
    1 3/4 Inch
    Light Options:
    Without Lights
    Size Options:
    16 Gauge
    Location:
    Made In USA
    Width Options:
    46 Inch
    Make:
    Universal Items
    $223.99
    Qty in Cart: 0
    Price:
    $223.99
    Subtotal:
  • 4 Inch X 33 Ft Blue Cargo Strap

    4 Inch X 33 Ft Blue Cargo Strap

    AFTERMARKET

    $20.07
    4 Inch X 33 Ft Cargo StrapEngineered for strength and adaptability, the 4 Inch x 33 Ft Blue Cargo Strap is a dependable option for professional cargo control. Its high-quality construction ensures...
    09-0207126
    SKU:
    09-0207126
    Length Options:
    396 Inch
    Product Type:
    Cargo Control
    Width Options:
    4 Inch
    Color:
    Blue
    Make:
    Universal Items
    $20.07
    Qty in Cart: 0
    Price:
    $20.07
    Subtotal:
  • 4 Inch X 30 Ft Blue Winch Strap W/ 4 Inch Flat Hook- 5400 Lb Working Load

    4 Inch X 30 Ft Blue Winch Strap W/ 4 Inch Flat Hook- 5400 Lb Working Load

    AFTERMARKET

    $29.51
    4 Inch X 30 Ft Winch Strap W/ Flat Hook- 5400 Lb Working LoadDependable load control starts with the right equipment, and this 4 Inch x 30 Ft Blue Winch Strap with Flat Hook is designed to deliver...
    09-0207125
    SKU:
    09-0207125
    Length Options:
    360 Inch
    Product Type:
    Cargo Control
    Width Options:
    4 Inch
    Color:
    Blue
    Make:
    Universal Items
    $29.51
    Qty in Cart: 0
    Price:
    $29.51
    Subtotal:
  • Smooth Aluminum Boot Box W/ Single Drop Down Lid & Stainless Steel T-Handle- 22 X 18 X 22 Inch

    Smooth Aluminum Boot Box W/ Single Drop Down Lid & Stainless Steel T-Handle- 22 X 18 X 22 Inch

    ICONIC

    $749.99
    22 X 18 X 22 Inch Aluminum Boot Box W/ Single Drop Down Lid & T-HandleBuilt for truck owners who demand quality, the 22 x 18 x 22 Inch Smooth Aluminum Boot Box features a single drop-down lid with...
    09-0201152
    SKU:
    09-0201152
    Length Options:
    22 Inch
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Product Type:
    Toolboxes
    Height Options:
    18 Inch
    Width Options:
    22 Inch
    Make:
    Universal Items
    $749.99
    Qty in Cart: 0
    Price:
    $749.99
    Subtotal:
  • Smooth Aluminum Tool Box W/ Aluminum Roll-Up Door & Stainless Steel Grab Bar- 72 X 30 X 24 Inch

    Smooth Aluminum Tool Box W/ Aluminum Roll-Up Door & Stainless Steel Grab Bar- 72 X 30 X 24 Inch

    ICONIC

    $2,394.99
    72 X 30 X 24 Inch Aluminum Tool Box W/ Roll-Up Door & Grab BarKeep your tools organized and secure with the 72 x 30 x 24 Inch Smooth Aluminum Tool Box, designed with an anodized aluminum roll-up door...
    09-0201151
    SKU:
    09-0201151
    Finish Options:
    Smooth
    Height Options:
    30 Inch
    Product Type:
    Toolboxes
    Width Options:
    72 Inch
    Length Options:
    24 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $2,394.99
    Qty in Cart: 0
    Price:
    $2,394.99
    Subtotal:
  • Smooth Aluminum Underbody Tool Box W/ Dual Barn Doors- 72 X 36 X 36 Inch

    Smooth Aluminum Underbody Tool Box W/ Dual Barn Doors- 72 X 36 X 36 Inch

    ICONIC

    $2,014.99
    72 X 36 X 36 Inch Smooth Aluminum Underbody Tool Box W/ Dual Barn DoorsTake your truck organization to the next level with this oversized 72-inch underbody tool box crafted from smooth marine-grade...
    09-020100850
    SKU:
    09-020100850
    Finish Options:
    Smooth
    Height Options:
    36 Inch
    Product Type:
    Toolboxes
    Width Options:
    36 Inch
    Length Options:
    72 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $2,014.99
    Qty in Cart: 0
    Price:
    $2,014.99
    Subtotal:
  • Smooth Aluminum Step Box W/ Smooth Lid & Lockable T-Handle- 18 X 25.13 X 21 Inch

    Smooth Aluminum Step Box W/ Smooth Lid & Lockable T-Handle- 18 X 25.13 X 21 Inch

    ICONIC

    $729.99
    18 X 25.13 X 21 Inch Smooth Aluminum Step Box W/ Smooth Lid & Lockable T-HandleWhen durability meets smart design, you get the Smooth Aluminum Step Box with Lockable T-Handle and Smooth...
    09-020100625
    SKU:
    09-020100625
    Length Options:
    21 Inch
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Product Type:
    Toolboxes
    Height Options:
    25 Inch
    Width Options:
    18 Inch
    Make:
    Universal Items
    $729.99
    Qty in Cart: 0
    Price:
    $729.99
    Subtotal:
  • Brunner Stainless Steel Fan Shroud Cover For Thermo King Tripac Evolution Model APU Equipped With External Condensers

    Brunner Stainless Steel Fan Shroud Cover For Thermo King Tripac Evolution Model APU Equipped With External Condensers

    BRUNNER FABRICATION

    $320.99
    Thermo King Tripac Evolution Model APU Fan Shroud Cover By BrunnerImprove APU protection with this Brunner stainless steel fan shroud cover designed for Thermo King TriPac Evolution systems using...
    09-020100547
    SKU:
    09-020100547
    Material Options:
    Stainless Steel
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $320.99
    Qty in Cart: 0
    Price:
    $320.99
    Subtotal:
  • Brunner Smooth Aluminum Step Box W/ Stainless Steel Drop Down Door & Aluminum Step Pad Cover- Opens Passenger Side- 22 X 24 X 22 Inch

    Brunner Smooth Aluminum Step Box W/ Stainless Steel Drop Down Door & Aluminum Step Pad Cover- Opens Passenger Side- 22 X 24 X 22 Inch

    BRUNNER FABRICATION

    $720.99
    22 X 24 X 22 Inch Smooth Aluminum Step Box W/ Stainless Steel Drop Down Door & Aluminum Step Pad Cover By BrunnerBuilt to handle the rigors of the road, this Brunner smooth aluminum step box delivers...
    09-020100539
    SKU:
    09-020100539
    Position:
    Passenger Side
    Material Options:
    Aluminum
    Height Options:
    24 Inch
    Product Type:
    Toolboxes
    Length Options:
    22 Inch
    Width Options:
    22 Inch
    Make:
    Universal Items
    $720.99
    Qty in Cart: 0
    Price:
    $720.99
    Subtotal:
  • 34 Inch Stainless Steel Rear Reverse T-Bar Light Bar W/ 8 Round 4 Inch Light Holes

    34 Inch Stainless Steel Rear Reverse T-Bar Light Bar W/ 8 Round 4 Inch Light Holes

    ARANDA TRUCK ACCESSORIES

    $1,359.99
    34 Inch Rear Reverse T-Bar Light Bar W/ 4 Round 4 Inch Light Hole Each EndGive your truck a rear lighting upgrade that combines durability and style with this 34-inch stainless steel rear reverse...
    09-0110082
    SKU:
    09-0110082
    Light Options:
    Without Lights
    Size Options:
    14 Gauge
    Location:
    Made In USA
    Width Options:
    34 Inch
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Product Type:
    Bumpers
    Make:
    Universal Items
    $1,359.99
    Qty in Cart: 0
    Price:
    $1,359.99
    Subtotal:
  • 6.5 X 25 Inch Stainless Steel Two Plate License Plate Holder

    6.5 X 25 Inch Stainless Steel Two Plate License Plate Holder

    BORES

    $79.99
    6.5 X 25 Inch Two Plate License Plate Holder- Flanged MountKeep your truck looking sharp while staying fully compliant with the 6.5 X 25 Inch Stainless Steel Two Plate License Plate Holder, crafted...
    09-01070057
    SKU:
    09-01070057
    Style Options:
    Flanged
    Material Options:
    Stainless Steel
    Product Type:
    Bumpers
    Make:
    Universal Items
    $79.99
    Qty in Cart: 0
    Price:
    $79.99
    Subtotal:
  • Herd Super Road Train Aluminum Grille Guard W/ Slam Latch, Oval Turn Lights & Lower Rake With Balusters For Peterbilt 379, 389

    Herd Super Road Train Aluminum Grille Guard W/ Slam Latch, Oval Turn Lights & Lower Rake With Balusters For Peterbilt 379, 389

    HERD BUMPERS

    $7,269.99
    Peterbilt 379 & 389 16 Inch Super Road Train Grille Guard W/ Slam Latch, Oval Turn Lights & Lower Rake With BalustersCommand attention and enhance safety with the Herd Super Road Train Aluminum...
    02-013000390
    SKU:
    02-013000390
    Material Options:
    Aluminum
    Height Options:
    16 Inch
    Product Type:
    Bumpers
    Light Options:
    Without Lights
    Style Options:
    Super Road Train
    Make:
    Peterbilt
    $7,269.99
    Qty in Cart: 0
    Price:
    $7,269.99
    Subtotal:
  • Diamond Quilted Door Panel W/ Red Buttons For Peterbilt 379

    Diamond Quilted Door Panel W/ Red Buttons For Peterbilt 379

    EZ PETE

    $1,171.99
    Peterbilt 379 Diamond Quilted Door Panel W/ Red ButtonsElevate your Peterbilt 379's interior with the Diamond Quilted Door Panel with Red Buttons, designed to combine rugged durability and timeless...
    01-15230332
    SKU:
    01-15230332
    Product Type:
    Interior
    Color:
    Red
    Material Options:
    Cloth
    Make:
    Peterbilt
    $1,171.99
    Qty in Cart: 0
    Price:
    $1,171.99
    Subtotal:
  • Blank Stainless Steel Sleeper Wrap- 3 Piece For Peterbilt

    Blank Stainless Steel Sleeper Wrap- 3 Piece For Peterbilt

    VALLEY CHROME PLATING

    $506.99
    Valley Chrome Blank 3 Piece Sleeper WrapEnhance your truck's style and durability with this blank stainless steel sleeper wrap for Peterbilt. This 3-piece set fits large flat top sleepers and...
    01-101500012
    SKU:
    01-101500012
    Product Type:
    Exterior
    Make:
    Peterbilt
    $506.99
    Qty in Cart: 0
    Price:
    $506.99
    Subtotal:
  • 4 Inch Stainless Steel Sleeper Extension Panel W/ 2 Oval Light Holes For Peterbilt 379, 384, 388, 389 W/ 70 Inch Sleeper

    4 Inch Stainless Steel Sleeper Extension Panel W/ 2 Oval Light Holes For Peterbilt 379, 384, 388, 389 W/ 70 Inch Sleeper

    VALLEY CHROME PLATING

    $107.99
    Valley Chrome 4 Inch Sleeper Extension Panel W/ 2 Oval Light HolesGive your Peterbilt sleeper a clean, professional look with these Valley Chrome 4 Inch Stainless Steel Sleeper Extension Panels...
    01-1012010H012
    SKU:
    01-1012010H012
    Length Options:
    70 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Product Type:
    Exterior
    Make:
    Peterbilt
    $107.99
    Qty in Cart: 0
    Price:
    $107.99
    Subtotal:
  • Front Corner Gusset Hardware Kit For Peterbilt 379

    Front Corner Gusset Hardware Kit For Peterbilt 379

    TRUCK SHROUDS

    $35.69
    Peterbilt 379 Gusset Hardware KitMaintain the precision and strength of your Peterbilt 379 with this Front Corner Gusset Hardware Kit. Crafted from high-quality materials, each kit fits one corner...
    01-124000029
    SKU:
    01-124000029
    Product Type:
    Hood Parts & Acc.
    Position:
    Kit Full
    Make:
    Peterbilt
    $35.69
    Qty in Cart: 0
    Price:
    $35.69
    Subtotal:
  • 5 Inch Stainless Steel Cab Panel W/ Integrated Hood Extension & 2 Inch Light Holes For Peterbilt 379 W/ Long Hood

    5 Inch Stainless Steel Cab Panel W/ Integrated Hood Extension & 2 Inch Light Holes For Peterbilt 379 W/ Long Hood

    ARANDA TRUCK ACCESSORIES

    $555.99
    5 Inch Cab Panel W/ Hood Extension & 2 Inch Light HolesBring both functionality and style to your Peterbilt 379 with the 5 Inch Stainless Steel Cab Panel featuring an Integrated Hood Extension...
    01-091201839
    SKU:
    01-091201839
    Product Type:
    Exterior
    Height Options:
    5 Inch
    Light Options:
    Without Lights
    Location:
    Made In USA
    Make:
    Peterbilt
    $555.99
    Qty in Cart: 0
    Price:
    $555.99
    Subtotal:
  • OG Fiberglass Front Fender- Pair For Peterbilt 379

    OG Fiberglass Front Fender- Pair For Peterbilt 379

    BAD ASS CUSTOM TRUCK PARTS

    $940.99
    Fiberglass Front Fender- OG StyleProtect your Peterbilt 379 from road debris while giving it a clean, custom look with OG Fiberglass Front Fenders. Each fender features durable fiberglass...
    01-12700012
    SKU:
    01-12700012
    Product Type:
    Hood Parts & Acc.
    Finish Options:
    Paintable
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Fiberglass
    Make:
    Peterbilt
    $940.99
    Qty in Cart: 0
    Price:
    $940.99
    Subtotal:
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Adding your products to cart

Shop for Repair & Performance Parts for the Peterbilt 379

We stock aftermarket parts from top-tier brands, each engineered to meet or exceed classic OEM Peterbilt 379 parts for both newer and older 379 model years. Replacement parts reduce downtime and can enhance the efficiency of your big rig. Easily swap out worn-out or broken mechanical components: - Turbochargers and exhaust manifolds. - Radiators, heater hoses, and electrical components. -Peterbilt 379 front shocks, air-ride suspension hardware and drivetrain or powertrain replacements. Installing high-quality aftermarket performance upgrades can lead to a positive ROI and stronger performance. Whether your Peterbilt needs an exhaust system upgrade or an extensive suspension rebuild, we've got the parts to get the job done.

Add Polished Chrome Upgrades

Elevate your truck's look with exterior chrome parts: stainless steel visors, grilles, rear fenders, and front bumpers for Peterbilt 379. Add larger Peterbilt diesel fuel storage tanks and a new set of Peterbilt 379 chrome stack tops.

Customize the Interior with Peterbilt 379 Accessories

Our Peterbilt 379 interior accessories let you mix and match designs to fit your truck's theme. For decades, we've helped source parts for drivers to build their custom show trucks. Customizing the interior? If you can dream it, there's likely a product to help you build it. Browse through dash trims, upholstery, dual-tone interior cab lights, vent trim covers, custom foot pedals, and more. Interior accessories help to customize the entirety of your rig. You can add unique rear sleeper window shapes, chrome-polished mirror accessories, cabin doors, and in-cab vinyl flooring kits. When it comes to fine-tuning your custom interior, there are endless options. Filter through a vast selection of products via the materials, design features, sizes, and aftermarket brands that truckers trust. At the bottom of the page, you can review the item details, check for product specs, search for limited-time discounts on popular items, and add the order to cart. Easy.

Frequently Asked Questions About Peterbilt 379 Parts

What years are Peterbilt 379 parts compatible with, and will they fit my specific model?

Most Peterbilt 379 parts fit 1987–2007 trucks, but fitment depends on the exact part and your setup (standard vs extended hood, trim packages, modifications). Always confirm OEM specs and model details before ordering. For custom builds, contact support with your truck info.

What's the difference between aftermarket and OEM Peterbilt 379 parts in terms of quality and durability?

OEM parts match factory specs and usually cost more. Quality aftermarket parts can perform similarly for 30–50% less, especially for chrome and accessories. Look for strong materials (ex: 16-gauge+ bumpers), good plating/finishing, and a warranty—avoid ultra-cheap parts that rust or peel quickly.

How difficult is it to install Peterbilt 379 bumpers and what tools do I need?

Most installs take 2–4 hours with basic tools: socket set (especially 3/4" and 7/8"), torque wrench, jack stands/lift, and ideally a helper. Many bumpers use factory mounts; some may need minor drilling. Rusted hardware and alignment are the usual challenges. Pro install is often $200–$400.

What chrome and finish options are available for Peterbilt 379 parts, and how do they hold up?

Triple chrome: best shine, needs regular upkeep (especially in winter). Powder coat: tough and chip-resistant, less mirror-like. Polished stainless: higher upfront cost, won’t rust, low maintenance. Choose based on climate and how much maintenance you want to do.

Which Peterbilt 379 parts should I prioritize replacing for both appearance and functionality?

Start with safety items (headlights/marker lights). Next, replace rust-prone parts like bumpers, battery boxes, and step plates. Then move to high-impact upgrades like air cleaners and exhaust. Interior items (dash panels, handles) improve daily comfort. Prices can vary. Budget $2,000-5,000 for a comprehensive exterior refresh, or tackle projects individually starting with the most visible or damaged components.


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