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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.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • 4 Inch Stop Turn Tail Light W/ Flange Mount - Red LED/Red Lens

    4 Inch Stop Turn Tail Light W/ Flange Mount - Red LED/Red Lens

    GRAND GENERAL

    $24.12 - $26.54
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks4 Inch Stop Turn Tail Light With Flange Mount - 3 Pin - Red LED / Red18 LED 4 Inch Red Fleet Light With...
    PPR_301115
    SKU:
    PPR_301115
    Material Options:
    Plastic/Poly
    Diameter Options:
    4 Inch
    Product Type:
    Lighting
    Truck Class:
    Universal
    Shape Options:
    Round
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $24.12 - $26.54
    Qty in Cart: 0
    Price:
    $24.12 - $26.54
    Subtotal:
  • 4 Inch Round Back Up Light W/ Flange Mount - White LED/Clear Lens

    4 Inch Round Back Up Light W/ Flange Mount - White LED/Clear Lens

    GRAND GENERAL

    $29.32 - $37.53
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks4 Inch Round Back Up LED Light W/ Flange Mount - 3 Wire - White LED / Clear Lens4 Inch Fleet LED Light...
    PPR_301114
    SKU:
    PPR_301114
    Diameter Options:
    5 1/2 Inch
    Material Options:
    Plastic/Poly
    Product Type:
    Lighting
    Shape Options:
    Round
    Diameter Options:
    5 3/4 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $29.32 - $37.53
    Qty in Cart: 0
    Price:
    $29.32 - $37.53
    Subtotal:
  • Chrome ABS Rear Cone Axle Cover W/ Removable Cone Cap & 3 Inch Nut Covers

    Chrome ABS Rear Cone Axle Cover W/ Removable Cone Cap & 3 Inch Nut Covers

    GRAND GENERAL

    $67.99 - $75.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksChrome ABS Rear Cone Axle Cover W/Push-In 1.5 Inch Nut CoversChrome ABS Rear Cone Axle Cover W/Push-In...
    PPR_301112
    SKU:
    PPR_301112
    Finish Options:
    Chrome-Plated
    Product Type:
    Wheels
    Material Options:
    Plastic/Poly
    Truck Class:
    Universal
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $67.99 - $75.99
    Qty in Cart: 0
    Price:
    $67.99 - $75.99
    Subtotal:
  • 22 Inch Chrome Texas Boxed End Bumper With Tow Holes For Peterbilt 357/378 SFA & 379

    22 Inch Chrome Texas Boxed End Bumper With Tow Holes For Peterbilt 357/378 SFA & 379

    BESTFIT TRUCK PARTS

    $799.99
    22 Inch Chrome Texas Boxed End Bumper With Tow HolesGive your rig a bold, custom look with this BESTfit 22 Inch Chrome Texas Boxed End Bumper with Tow Holes, designed to fit Peterbilt 378, 379, and...
    01-010022248
    SKU:
    01-010022248
    Height Options:
    22 Inch
    Material Options:
    Stainless Steel
    Style Options:
    Texas Boxed End
    Product Type:
    Bumpers
    Finish Options:
    Chrome-Plated
    Size Options:
    11 Gauge
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $799.99
    Qty in Cart: 0
    Price:
    $799.99
    Subtotal:
  • Texas Boxed End 20-16 Inch Chrome Bumper With Tow Holes For Peterbilt 357/378 SFA & 379

    Texas Boxed End 20-16 Inch Chrome Bumper With Tow Holes For Peterbilt 357/378 SFA & 379

    BESTFIT TRUCK PARTS

    $989.99
    20-16 Inch Chrome Standard Boxed End Bumper With Tow HolesRestore your Peterbilt 378, 379, or 357 SFA with the BESTfit 20-16 Inch Chrome Standard Boxed End Bumper. Made of chrome-plated stainless...
    01-010020045
    SKU:
    01-010020045
    Finish Options:
    Chrome-Plated
    Size Options:
    11 Gauge
    Product Type:
    Bumpers
    Height Options:
    20 Inch
    Style Options:
    Texas Boxed End
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $989.99
    Qty in Cart: 0
    Price:
    $989.99
    Subtotal:
  • 20 Inch Chrome Texas Mitered End Bumper With Tow Holes For Peterbilt 357/378 SFA & 379

    20 Inch Chrome Texas Mitered End Bumper With Tow Holes For Peterbilt 357/378 SFA & 379

    BESTFIT TRUCK PARTS

    $930.99
    20 Inch Chrome Texas Mitered End Bumper With Tow HolesEquip your Peterbilt 357, 378, or 379 SFA with the 20 Inch Chrome Texas Mitered End Bumper, designed for lasting durability and classic style...
    01-010020043
    SKU:
    01-010020043
    Finish Options:
    Chrome-Plated
    Size Options:
    11 Gauge
    Height Options:
    20 Inch
    Product Type:
    Bumpers
    Style Options:
    Texas Mitered End
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    $930.99
    Qty in Cart: 0
    Price:
    $930.99
    Subtotal:
  • Limited Quantity Available
    Texas Boxed End 20-16 Inch Chrome Standard Rolled End Bumper With Tow Holes For Peterbilt 357/378 SFA & 379

    Texas Boxed End 20-16 Inch Chrome Standard Rolled End Bumper With Tow Holes For Peterbilt 357/378 SFA & 379

    BESTFIT TRUCK PARTS

    $1,051.99
    20-16 Inch Chrome Standard Rolled End Bumper With Tow HolesProtect your Peterbilt 357, 378, or 379 SFA with the BESTfit 20-16 Inch Chrome Standard Rolled End Bumper, engineered for both strength and...
    01-010020044
    SKU:
    01-010020044
    Material Options:
    Stainless Steel
    Height Options:
    20 Inch
    Product Type:
    Bumpers
    Style Options:
    Standard Rolled End
    Size Options:
    11 Gauge
    Finish Options:
    Chrome-Plated
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $1,051.99
    Qty in Cart: 0
    Price:
    $1,051.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    16-12 Inch Chrome Standard Rolled End Bumper With Tow Holes For Peterbilt 357, 378 & 379 SFA

    16-12 Inch Chrome Standard Rolled End Bumper With Tow Holes For Peterbilt 357, 378 & 379 SFA

    BESTFIT TRUCK PARTS

    Now: $347.19
    Was: $495.99
    16-12 Inch Chrome Standard Rolled End Bumper With Tow Holes* High Quality Bumper* Standard Rolled Ends* With Mounting And Tow Holes* Chrome-Plated Stainless Steel* 16 Inch - 12 Inch* Sold...
    01-010016021
    SKU:
    01-010016021
    Height Options:
    16 Inch
    Material Options:
    Stainless Steel
    Style Options:
    Standard Rolled End
    Product Type:
    Bumpers
    Finish Options:
    Chrome-Plated
    Size Options:
    11 Gauge
    Make:
    Peterbilt
    Now: $347.19
    Was: $495.99
    Qty in Cart: 0
    Price:
    Now: $347.19
    Was: $495.99
    Subtotal:
  • Chome Hub Cover Bolt Driver/Passenger Side

    Chome Hub Cover Bolt Driver/Passenger Side

    PHOENIX USA

    $26.51 - $33.65
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksChome Hub Cover Bolt - Passenger SideReplacement Center Attachment Bolt* High Quality Hub Cover Bolt*...
    PPR_301110
    SKU:
    PPR_301110
    Product Type:
    Wheels
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    $26.51 - $33.65
    Qty in Cart: 0
    Price:
    $26.51 - $33.65
    Subtotal:
  • Gloss Black Diamond Plate Aluminum Transfer Tank

    Gloss Black Diamond Plate Aluminum Transfer Tank

    AFTERMARKET

    $1,523.99 - $1,820.99
    Needing to be able to transfer extra fuel to the job site with ease and safety in mind? This 50 gallon fuel transfer tank is the way to go! It is constructed from heavy duty aluminum for extra...
    PPR_301106
    SKU:
    PPR_301106
    Capacity:
    50 Gallons
    Color:
    Black
    Height Options:
    24 Inch
    Finish Options:
    Diamond Plate
    Product Type:
    Fuel Tanks
    Length Options:
    54 Inch
    Height Options:
    26 Inch
    Width Options:
    22 Inch
    Truck Class:
    Universal
    Length Options:
    60 Inch
    Capacity:
    75 Gallons
    Capacity:
    85 Gallons
    Width Options:
    33 Inch
    Width Options:
    12 Inch
    Height Options:
    20 Inch
    Height Options:
    22 Inch
    Width Options:
    34 Inch
    Length Options:
    37 Inch
    Length Options:
    48 Inch
    Material Options:
    Aluminum
    Width Options:
    18 Inch
    Make:
    Universal Items
    Position:
    Passenger Side
    $1,523.99 - $1,820.99
    Qty in Cart: 0
    Price:
    $1,523.99 - $1,820.99
    Subtotal:
  • 100 Gallon Hammerhead-Style Transfer Tank

    100 Gallon Hammerhead-Style Transfer Tank

    AFTERMARKET

    $1,588.99 - $1,820.99
    Choose Option(s) to see description.Fitment** Please Check Measurements Prior To Ordering **** 58.875 Inch Length Top** 47.8125 Inch Length Bottom** 24.625 Inch Height** 12.875 Inch Width Top** 30...
    PPR_301102
    SKU:
    PPR_301102
    Capacity:
    100 Gallons
    Height Options:
    13 Inch
    Finish Options:
    Diamond Plate
    Product Type:
    Fuel Tanks
    Material Options:
    Aluminum
    Width Options:
    12 Inch
    Width Options:
    47 Inch
    Width Options:
    30 Inch
    Color:
    White
    Color:
    Black
    Length Options:
    58 Inch
    Height Options:
    24 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Position:
    Passenger Side
    $1,588.99 - $1,820.99
    Qty in Cart: 0
    Price:
    $1,588.99 - $1,820.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Chrome Rocker Actuator Horizontal Switch Cover For Peterbilt 2006 & Newer

    Chrome Rocker Actuator Horizontal Switch Cover For Peterbilt 2006 & Newer

    ROCKWOOD

    $17.16
    When you want to refresh the look of your dash, a simple trim change can make a noticeable difference. The chrome rocker actuator switch cover is an aftermarket interior accent designed to fit common...
    PPR_301111
    SKU:
    PPR_301111
    Product Type:
    Interior
    Material Options:
    Plastic/Poly
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Finish Options:
    Chrome-Plated
    Style Options:
    Horizontal
    Make:
    Peterbilt
    Make:
    Trailer
    Ready To Ship:
    Yes
    $17.16
    Qty in Cart: 0
    Price:
    $17.16
    Subtotal:
  • Bright Diamond Plate Aluminum L-Shape Transfer Tank

    Bright Diamond Plate Aluminum L-Shape Transfer Tank

    AFTERMARKET

    $1,135.99 - $1,399.99
    Choose Option(s) to see description.Fitment** Check Fitment For Each Tank Size Prior To Ordering **Bright Diamond Plate Aluminum 75 Gallon L-Shape Transfer Tank75 Gallon L-Shape Bright Diamond Plate...
    PPR_301108
    SKU:
    PPR_301108
    Material Options:
    Aluminum
    Height Options:
    22 Inch
    Width Options:
    32 Inch
    Height Options:
    24 Inch
    Length Options:
    48 Inch
    Finish Options:
    Diamond Plate
    Height Options:
    26 Inch
    Length Options:
    59 Inch
    Truck Class:
    Universal
    Length Options:
    36 Inch
    Width Options:
    27 Inch
    Width Options:
    9 Inch
    Product Type:
    Fuel Tanks
    Width Options:
    34 Inch
    Make:
    Universal Items
    Position:
    Passenger Side
    $1,135.99 - $1,399.99
    Qty in Cart: 0
    Price:
    $1,135.99 - $1,399.99
    Subtotal:
  • Bright Diamond Plate Aluminum Transfer Tank

    Bright Diamond Plate Aluminum Transfer Tank

    AFTERMARKET

    $1,368.99 - $1,632.99
    Choose Option(s) to see description.Fitment** Please Check Fitment Prior To Ordering **Bright Diamond Plate Aluminum 100 Gallon Transfer Tank100 Gallon Bright Diamond Plate Aluminum Transfer Tank*...
    PPR_301109
    SKU:
    PPR_301109
    Height Options:
    20 Inch
    Length Options:
    36 Inch
    Finish Options:
    Diamond Plate
    Height Options:
    24 Inch
    Material Options:
    Aluminum
    Height Options:
    22 Inch
    Height Options:
    26 Inch
    Length Options:
    54 Inch
    Length Options:
    48 Inch
    Width Options:
    22 Inch
    Length Options:
    60 Inch
    Truck Class:
    Universal
    Product Type:
    Fuel Tanks
    Width Options:
    18 Inch
    Width Options:
    24 Inch
    Make:
    Universal Items
    Position:
    Passenger Side
    $1,368.99 - $1,632.99
    Qty in Cart: 0
    Price:
    $1,368.99 - $1,632.99
    Subtotal:
  • Steel Aluminum 75 Gallon Transfer Tank

    Steel Aluminum 75 Gallon Transfer Tank

    AFTERMARKET

    $1,378.99
    Choose Option(s) to see description.Fitment** Fits Cadillac Escalade EXT ** Fits Chevrolet Avalanche ** Fits Chevrolet Avalanche 1500 ** Fits Chevrolet Avalanche 2500 ** Fits Chevrolet Silverado 1500...
    PPR_301103
    SKU:
    PPR_301103
    Length Options:
    48 Inch
    Width Options:
    27 Inch
    Truck Class:
    Universal
    Color:
    Black
    Capacity:
    75 Gallons
    Height Options:
    24 Inch
    Product Type:
    Fuel Tanks
    Material Options:
    Aluminum
    Make:
    Universal Items
    $1,378.99
    Qty in Cart: 0
    Price:
    $1,378.99
    Subtotal:
  • Smooth Steel-Aluminum 85 Gallon Transfer Tank

    Smooth Steel-Aluminum 85 Gallon Transfer Tank

    AFTERMARKET

    $1,556.99
    Choose Option(s) to see description.Fitment** Fits Cadillac Escalade EXT ** Fits Chevrolet Avalanche ** Fits Chevrolet Avalanche 1500** Fits Chevrolet Avalanche 2500 ** Fits Chevrolet Silverado...
    PPR_301104
    SKU:
    PPR_301104
    Width Options:
    34 Inch
    Length Options:
    48 Inch
    Height Options:
    26 Inch
    Color:
    Black
    Capacity:
    85 Gallons
    Truck Class:
    Universal
    Product Type:
    Fuel Tanks
    Material Options:
    Aluminum
    Make:
    Universal Items
    $1,556.99
    Qty in Cart: 0
    Price:
    $1,556.99
    Subtotal:
  • Steel-Aluminum 100 Gallon Transfer Tank

    Steel-Aluminum 100 Gallon Transfer Tank

    AFTERMARKET

    $1,588.99
    Choose Option(s) to see description.Fitment** Fits Chevrolet Silverado 1500 ** Fits Chevrolet Silverado 1500 Classic ** Fits Chevrolet Silverado 1500 LTD** Fits Chevrolet Silverado 2500 ** Fits...
    PPR_301105
    SKU:
    PPR_301105
    Height Options:
    22 Inch
    Finish Options:
    Diamond Plate
    Color:
    Black
    Product Type:
    Fuel Tanks
    Material Options:
    Aluminum
    Capacity:
    100 Gallons
    Length Options:
    60 Inch
    Width Options:
    31 Inch
    Height Options:
    31 Inch
    Width Options:
    22 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    $1,588.99
    Qty in Cart: 0
    Price:
    $1,588.99
    Subtotal:
  • Bright Diamond Plate Aluminum Rectangle Transfer Tank W/ Capacity Options

    Bright Diamond Plate Aluminum Rectangle Transfer Tank W/ Capacity Options

    AFTERMARKET

    $902.99
    Choose Option(s) to see description.Fitment** Fits Chevrolet Colorado** Fits Chevrolet S10** Fits Chevrolet Silverado 1500** Fits Chevrolet Silverado 1500 Classic** Fits Chevrolet Silverado 2500**...
    PPR_301100
    SKU:
    PPR_301100
    Material Options:
    Aluminum
    Width Options:
    19 Inch
    Length Options:
    54 Inch
    Finish Options:
    Diamond Plate
    Length Options:
    36 Inch
    Width Options:
    10 Inch
    Height Options:
    19 Inch
    Truck Class:
    Universal
    Product Type:
    Fuel Tanks
    Make:
    Universal Items
    Position:
    Passenger Side
    $902.99
    Qty in Cart: 0
    Price:
    $902.99
    Subtotal:
  • Gloss Black Diamond Plate Aluminum L-Shape Transfer Tank

    Gloss Black Diamond Plate Aluminum L-Shape Transfer Tank

    AFTERMARKET

    $1,290.99 - $1,555.99
    Choose Option(s) to see description.Fitment** 50 Gallon** Fits Chevrolet Colorado ** Fits Chevrolet S10 ** Fits Chevrolet Silverado 1500 ** Fits Chevrolet Silverado 1500 Classic ** Fits Chevrolet...
    PPR_301101
    SKU:
    PPR_301101
    Height Options:
    24 Inch
    Height Options:
    22 Inch
    Finish Options:
    Diamond Plate
    Length Options:
    59 Inch
    Material Options:
    Aluminum
    Length Options:
    48 Inch
    Length Options:
    36 Inch
    Width Options:
    27 Inch
    Width Options:
    32 Inch
    Truck Class:
    Universal
    Product Type:
    Fuel Tanks
    Color:
    Black
    Width Options:
    9 Inch
    Width Options:
    34 Inch
    Height Options:
    26 Inch
    Make:
    Universal Items
    Position:
    Passenger Side
    $1,290.99 - $1,555.99
    Qty in Cart: 0
    Price:
    $1,290.99 - $1,555.99
    Subtotal:
  • Merritt Smooth Aluminum Tool Box With Smooth Double Doors- 18 X 18 X 36 Inch

    Merritt Smooth Aluminum Tool Box With Smooth Double Doors- 18 X 18 X 36 Inch

    MERRITT

    $1,490.99
    18 X 18 X 36 Inch Smooth Aluminum Double Door Tool Box By MerrittProtect and organize your equipment with the Merritt Smooth Aluminum Tool Box with Double Doors, measuring 18 x 18 x 36 inches. Made...
    287
    SKU:
    287
    Height Options:
    18 Inch
    Finish Options:
    Smooth
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Product Type:
    Toolboxes
    Width Options:
    18 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $1,490.99
    Qty in Cart: 0
    Price:
    $1,490.99
    Subtotal:
  • Total: items /

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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