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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
  • 12 Gauge Customs 7 X 11 Inch Brushed Stainless Steel Reverse Bowtie Visor For Peterbilt 300 Series

    12 Gauge Customs 7 X 11 Inch Brushed Stainless Steel Reverse Bowtie Visor For Peterbilt 300 Series

    TWELVE GAUGE

    $375.99
    7 X 11 Inch Brushed Stainless Steel Reverse Bowtie Visor By 12 Gauge Customs Fits Peterbilt 300 SeriesStyle meets substance in the 11 x 7 Inch Brushed Stainless Steel Reverse Bowtie Visor for...
    01-09013099
    SKU:
    01-09013099
    Light Options:
    Without Lights
    Height Options:
    11 Inch
    Style Options:
    Reverse Bowtie
    Cab Style:
    Ultra Cab
    Product Type:
    Exterior
    Type Options:
    Side Mount
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    $375.99
    Qty in Cart: 0
    Price:
    $375.99
    Subtotal:
  • 12 Gauge Customs 14 Inch Stainless Steel Straight Slammed Post Mount Visor For Peterbilt UltraCab Or Flat Tops

    12 Gauge Customs 14 Inch Stainless Steel Straight Slammed Post Mount Visor For Peterbilt UltraCab Or Flat Tops

    TWELVE GAUGE

    $410.99
    14 Inch Stainless Steel Straight Slammed Post Mount Visor By 12 Gauge Customs Fits Peterbilt UltraCab Or Flat TopsTurn heads and block the sun in style with this 14 Inch Straight Slammed Post Mount...
    01-09003208
    SKU:
    01-09003208
    Cab Style:
    Ultra Cab
    Height Options:
    14 Inch
    Finish Options:
    Polished
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Type Options:
    Post Mount
    Style Options:
    Slammed
    $410.99
    Qty in Cart: 0
    Price:
    $410.99
    Subtotal:
  • Roadworks 11 Inch Stainless Steel Factory Style Extended Visor For Peterbilt W/ Door Mounted Mirrors

    Roadworks 11 Inch Stainless Steel Factory Style Extended Visor For Peterbilt W/ Door Mounted Mirrors

    ROADWORKS

    $385.99
    11 Inch Stainless Steel Factory Style Extended Visor By Roadworks Fits Peterbilt W/ Door Mounted MirrorsAdd a touch of timeless factory styling to your Peterbilt with this 11 Inch Stainless Steel...
    01-09000201
    SKU:
    01-09000201
    Light Options:
    Without Lights
    Location:
    Made In USA
    Style Options:
    Factory Style
    Height Options:
    11 Inch
    Material Options:
    Stainless Steel
    Product Type:
    Exterior
    Cab Style:
    Flat Top
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $385.99
    Qty in Cart: 0
    Price:
    $385.99
    Subtotal:
  • 14 X 9 Inch Stainless Steel Reverse Bowtie Visor For Peterbilt 1994 & Newer

    14 X 9 Inch Stainless Steel Reverse Bowtie Visor For Peterbilt 1994 & Newer

    TWELVE GAUGE

    $403.99
    14 Inch Reverse Bowtie VisorTake your Peterbilt's exterior to the next level with the 14 x 9 Inch Reverse Bowtie Stainless Steel Visor. Engineered for a snug, glass-hugging fit, this visor delivers a...
    01-090100166
    SKU:
    01-090100166
    Cab Style:
    Ultra Cab
    Type Options:
    Side Mount
    Height Options:
    14 Inch
    Material Options:
    Stainless Steel
    Product Type:
    Exterior
    Make:
    Peterbilt
    Finish Options:
    Polished
    Style Options:
    Slammed Reverse Bow Tie
    $403.99
    Qty in Cart: 0
    Price:
    $403.99
    Subtotal:
  • 12 Gauge Customs 10 To 14 Inch Stainless Steel Reverse Bowtie Visor For Peterbilt Flat Top & UltraCab

    12 Gauge Customs 10 To 14 Inch Stainless Steel Reverse Bowtie Visor For Peterbilt Flat Top & UltraCab

    TWELVE GAUGE

    $375.99
    10 To 14 Inch Stainless Steel Reverse Bowtie Visor By 12 Gauge Customs Fits Peterbilt Flat Top & UltraCabThe 14 to 10 Inch Stainless Steel Reverse Bowtie Visor is a must-have for Peterbilt owners who...
    01-090100169
    SKU:
    01-090100169
    Style Options:
    Reverse Bowtie
    Light Options:
    Without Lights
    Finish Options:
    Polished
    Cab Style:
    Ultra Cab
    Size Options:
    12 Gauge
    Height Options:
    14 Inch
    Material Options:
    Stainless Steel
    Product Type:
    Exterior
    Type Options:
    Side Mount
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $375.99
    Qty in Cart: 0
    Price:
    $375.99
    Subtotal:
  • Roadworks 14 Inch Stainless Steel Blind Mount Drop Visor For Peterbilt 300 Series Ultracab

    Roadworks 14 Inch Stainless Steel Blind Mount Drop Visor For Peterbilt 300 Series Ultracab

    ROADWORKS

    $527.99
    14 Inch Stainless Steel Blind Mount Drop Visor By Roadworks Fits Peterbilt 300 Series UltracabBring standout looks and reliable protection to your Peterbilt with this high-quality 14 Inch Blind Mount...
    01-09000050
    SKU:
    01-09000050
    Type Options:
    Blind Mount
    Location:
    Made In USA
    Light Options:
    Without Lights
    Height Options:
    14 Inch
    Cab Style:
    Ultra Cab
    Style Options:
    Flat Top
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    $527.99
    Qty in Cart: 0
    Price:
    $527.99
    Subtotal:
  • 10 X 3 Inch Stainless Steel Air Tank Strap For Peterbilt

    10 X 3 Inch Stainless Steel Air Tank Strap For Peterbilt

    TWELVE GAUGE

    $55.99
    Stainless Steel Air Tank Strap Fits With 9.75 Inch Diameter TankEnhance your Peterbilt's air system with this premium 10 x 3-inch stainless steel air tank strap. Crafted from high-quality stainless...
    01-051417
    SKU:
    01-051417
    Width Options:
    3 Inch
    Product Type:
    Frame & Chassis
    Diameter Options:
    10 Inch
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $55.99
    Qty in Cart: 0
    Price:
    $55.99
    Subtotal:
  • Steering Shaft Assembly Extended Hood For Peterbilt 379

    Steering Shaft Assembly Extended Hood For Peterbilt 379

    DAN'S SHOP

    $438.99
    4 X 4 X 39 Inch Steering Shaft Assembly Extended HoodEnsure safe and smooth steering with the steering shaft assembly designed specifically for Peterbilt 379 trucks. This replacement part offers...
    01-0509134
    SKU:
    01-0509134
    Product Type:
    Frame & Chassis
    Height Options:
    4 Inch
    Material Options:
    Steel
    Width Options:
    4 Inch
    Length Options:
    39 Inch
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $438.99
    Qty in Cart: 0
    Price:
    $438.99
    Subtotal:
  • Valley Chrome Stainless Steel Tool Box Cover- 10 X 30 Inch For Peterbilt 378, 379

    Valley Chrome Stainless Steel Tool Box Cover- 10 X 30 Inch For Peterbilt 378, 379

    VALLEY CHROME PLATING

    $130.99
    10 X 30 Inch SS Tool Box Cover By Valley Chrome Fits Peterbilt 378 & 379Upgrade your Peterbilt 378 or 379 toolbox with the Valley Chrome Stainless Steel Tool Box Cover. Constructed from high-quality...
    01-05020038
    SKU:
    01-05020038
    Material Options:
    Stainless Steel
    Product Type:
    Toolboxes
    Location:
    Made In USA
    Height Options:
    10 Inch
    Width Options:
    30 Inch
    Make:
    Peterbilt
    $130.99
    Qty in Cart: 0
    Price:
    $130.99
    Subtotal:
  • Roadworks 11 Inch Stainless Steel Drop Visor For Peterbilt Ultra Cab

    Roadworks 11 Inch Stainless Steel Drop Visor For Peterbilt Ultra Cab

    ROADWORKS

    $412.99
    11 Inch Stainless Steel Drop Visor By Roadworks Fits Peterbilt Ultra CabThis 11 Inch Stainless Steel Drop Visor is built for serious truckers who want a tough, custom look without compromising...
    01-090300007
    SKU:
    01-090300007
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Height Options:
    11 Inch
    Cab Style:
    Ultra Cab
    Style Options:
    Straight Drop
    Make:
    Peterbilt
    $412.99
    Qty in Cart: 0
    Price:
    $412.99
    Subtotal:
  • Led Step Light Chrome Plastic Blue Colored 5 Diodes For Universal

    Led Step Light Chrome Plastic Blue Colored 5 Diodes For Universal

    TRUX ACCESSORIES

    $23.91
    5 Diode Chrome Plastic LED Step Light Blue Colored* High Quality Light* Made of Chrome Plastic * LED 5 Diodes* Blue light* Can Be Mounted in Multiple Places Interior or Exterior* Sold Individually*...
    09-160102111
    SKU:
    09-160102111
    Product Type:
    Lighting
    Finish Options:
    Chrome-Plated
    Color:
    Blue
    Length Options:
    2 5/8 Inch
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    $23.91
    Qty in Cart: 0
    Price:
    $23.91
    Subtotal:
  • Chrome- Plated Aluminum Cigarette Lighter W/ Black Sticker

    Chrome- Plated Aluminum Cigarette Lighter W/ Black Sticker

    GRAND GENERAL

    $16.47
    Chrome- Plated Aluminum Cigarette Lighter* High Quality Cigarette Lighter* With 1 Inch Glossy Black Sticker* Chrome-Plated Aluminum* 3/16 Inch Diameter* 1-3/16 Inch X 1-9/32 Inch Length* Sold...
    09-15010217
    SKU:
    09-15010217
    Material Options:
    Aluminum
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    Product Type:
    Interior
    Diameter Options:
    3/16 Inch
    Length Options:
    3 Inch
    $16.47
    Qty in Cart: 0
    Price:
    $16.47
    Subtotal:
  • FREE SHIPPING OVER $249
    1/4 Inch Red Plastic Wire Loom - Sold Per Foot For Universal

    1/4 Inch Red Plastic Wire Loom - Sold Per Foot For Universal

    TRUX ACCESSORIES

    $0.96
    Split LoomAre you working on a wiring project? 4 State Trucks can help you keep those wires protected and organized with this flexible and high-strength red split wire loom. It is designed to fit...
    09-16040119
    SKU:
    09-16040119
    Product Type:
    Air, Electrical, & Safety
    Diameter Options:
    1/4 Inch
    Color:
    Red
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    $0.96
    Qty in Cart: 0
    Price:
    $0.96
    Subtotal:
  • Chrome Middle Exhaust Spool 6 X 55 Inch Tapered Top For Peterbilt 379

    Chrome Middle Exhaust Spool 6 X 55 Inch Tapered Top For Peterbilt 379

    TRUX ACCESSORIES

    $284.99
    Tapered top Exhaust Spool 6 Inch X 55 Inch4 State Trucks offers this quality replacement middle spool that is engineered to provide a seamless fit with both the top stack and elbow. Made of...
    09-08260559
    SKU:
    09-08260559
    Finish Options:
    Chrome-Plated
    Material Options:
    Steel
    Product Type:
    Exhaust
    Length Options:
    55 Inch
    Diameter Options:
    6 Inch
    Style Options:
    Tapered
    Make:
    Peterbilt
    $284.99
    Qty in Cart: 0
    Price:
    $284.99
    Subtotal:
  • 1/2 X 11/16 Inch Chrome Plated Steel Acorn Nut Cover

    1/2 X 11/16 Inch Chrome Plated Steel Acorn Nut Cover

    GRAND GENERAL

    $0.42
    1/2 X 11/16 Inch Acorn Nut Cover* High Quality Lug Nut Cover* Without Flange* Chrome-Plated Steel* Dimensions:  - 1/2 Inch Length  - 11/16 Inch A/F* Push-On* Sold Individually* Warranty On Lug Nut...
    09-20200402
    SKU:
    09-20200402
    Finish Options:
    Chrome-Plated
    Material Options:
    Steel
    Product Type:
    Wheels
    Make:
    Universal Items
    Style Options:
    Push On
    $0.42
    Qty in Cart: 0
    Price:
    $0.42
    Subtotal:
  • 18 Inch Chrome Dual Classic Wood Steering Wheel W/ Rivets

    18 Inch Chrome Dual Classic Wood Steering Wheel W/ Rivets

    FOREVER SHARP

    $178.99
    Chrome Dual Classic Steering Wheel 18 Inch W/ Rivets* 18 Inch Diameter* Chrome Dual Classic Wood With Rivets* Stained Dark Wood* Real Wood Wheel* 4 Chrome Plated Spokes With Slot Cutout* Sealed with...
    09-15003105
    SKU:
    09-15003105
    Diameter Options:
    18 Inch
    Product Type:
    Interior
    Material Options:
    Wood
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    $178.99
    Qty in Cart: 0
    Price:
    $178.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    4 Inch Round Stop, Turn, Tail, Back Up & Work Light

    4 Inch Round Stop, Turn, Tail, Back Up & Work Light

    TRUX ACCESSORIES

    Now: $41.00
    Was: $49.99
    4 Inch Round Grommet Mount Stop, Turn, Tail, Back Up & Work Light* High Quality Work Lamp* Polycarbonate* 4 Inch* 25 Diodes* STT To Reverse Function* Red Led/Clear Lens * Grommet Mount * With 1,000...
    09-160116058
    SKU:
    09-160116058
    Product Type:
    Lighting
    Diameter Options:
    4 Inch
    Type Options:
    Grommet Mount
    Material Options:
    Plastic/Poly
    Shape Options:
    Round
    Color:
    Red/Clear
    Style Options:
    3 Prong
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $41.00
    Was: $49.99
    Qty in Cart: 0
    Price:
    Now: $41.00
    Was: $49.99
    Subtotal:
  • Chrome- Plated Aluminum Door Knob W/ Blue Crystal

    Chrome- Plated Aluminum Door Knob W/ Blue Crystal

    GRAND GENERAL

    $16.93
    Chrome- Plated Aluminum Door Knob* High Quality Door Knob* Includes Blue Crystal* Chrome-Plated Aluminum* Head: 1/2 Inch Diameter X 3/4 Inch Height* Tube: 1/2 Inch Inner Diameter X 1-1/2 Inch Height*...
    09-1530082
    SKU:
    09-1530082
    Product Type:
    Interior
    Length Options:
    2 1/4 Inch
    Diameter Options:
    1/2 Inch
    Finish Options:
    Chrome-Plated
    Material Options:
    Aluminum
    Color:
    Blue
    Make:
    Universal Items
    $16.93
    Qty in Cart: 0
    Price:
    $16.93
    Subtotal:
  • 80 Inch 14 Gauge Stainless Steel Straight Drop Half Fenders

    80 Inch 14 Gauge Stainless Steel Straight Drop Half Fenders

    TRUX ACCESSORIES

    $1,682.99
    80 Inch Stainless Steel Half Fenders* High Quality Half Fenders* 80 Inch* 14 Gauge Stainless Steel* Smooth * Straight Drop * With Mounting Kit  - Mounting Arms Are 14 Ga Stainless Steel  - Threaded...
    09-1103020013
    SKU:
    09-1103020013
    Product Type:
    Rear Fenders
    Style Options:
    Straight Drop
    Finish Options:
    Smooth
    Material Options:
    Stainless Steel
    Position:
    Kit Full
    Length Options:
    80 Inch
    Size Options:
    14 Gauge
    Make:
    Universal Items
    $1,682.99
    Qty in Cart: 0
    Price:
    $1,682.99
    Subtotal:
  • 18 Inch Chrome Dual Classic Wood Steering Wheel

    18 Inch Chrome Dual Classic Wood Steering Wheel

    FOREVER SHARP

    $165.99
    Chrome Dual Classic Steering Wheel 18 Inch* 18 Inch Diameter* Chrome Dual Classic - Dark* Dark Wood Wheel* 4 Chrome Plated Spokes* Real Wood Grip* 1.75 Inch Depth* 5 Hole Wheel Bolt* Sold...
    09-15003104
    SKU:
    09-15003104
    Product Type:
    Interior
    Diameter Options:
    18 Inch
    Finish Options:
    Chrome-Plated
    Material Options:
    Wood
    Make:
    Universal Items
    $165.99
    Qty in Cart: 0
    Price:
    $165.99
    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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