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Chrome Rush countdown – 14% off semi truck parts and chrome accessories at 4 State Trucks
Chrome Rush countdown – 14% off semi truck parts and chrome accessories at 4 State Trucks

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
  • Quantity
  • Price
  • Subtotal
  • Shock Clamp For Hendrickson Turner Trailer Suspension Replaces B20919

    Shock Clamp For Hendrickson Turner Trailer Suspension Replaces B20919

    AUTOMANN USA

    $6.80
    Shock Clamp With 3/4 Inch IDProtect your trailer suspension system with the Hendrickson Turner Shock Clamp, engineered for reliable performance and long-term durability. Replacing B20919, it features...
    29-051000029
    SKU:
    29-051000029
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Make:
    Trailer
    Width Options:
    1 7/8 Inch
    Height Options:
    2 1/4 Inch
    Material Options:
    Steel
    $6.80
    Qty in Cart: 0
    Price:
    $6.80
    Subtotal:
  • 107 Inch Horizontal Track Coupler W/ 6 Inch Radius- Left Side

    107 Inch Horizontal Track Coupler W/ 6 Inch Radius- Left Side

    TRAMEC SLOAN

    $71.99
    Left Side 107 Inch Horizontal Track Coupler W/ 6 Inch RadiusUpgrade your track system with the 107 Inch Horizontal Track Coupler with 6 Inch Radius - Left Side, crafted for smooth horizontal...
    19-02700400
    SKU:
    19-02700400
    Diameter Options:
    6 Inch
    Width Options:
    1 Inch
    Length Options:
    107 Inch
    Product Type:
    Trailer
    Position:
    Driver Side
    Style Options:
    Horizontal
    Location:
    Made In USA
    Make:
    Universal Items
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • Red Single Diode 3/4 Inch Round Marker/ Clearance Light W/ Two .180 Bullet Pigtail

    Red Single Diode 3/4 Inch Round Marker/ Clearance Light W/ Two .180 Bullet Pigtail

    PETERSON MFG

    $9.90
    Single Diode 3/4 Inch Round Marker/ Clearance Light W/ Two .180 Bullet Pigtail- RedBrighten your truck and ensure compliance with the Red Single Diode 3/4 Inch Round Marker/Clearance Light, ideal for...
    177RBT2
    SKU:
    177RBT2
    Diameter Options:
    3/4 Inch
    Product Type:
    Lighting
    Color:
    Red
    Style Options:
    Bullet
    Shape Options:
    Round
    Make:
    Universal Items
    Material Options:
    Plastic/Poly
    Type Options:
    Grommet Mount
    $9.90
    Qty in Cart: 0
    Price:
    $9.90
    Subtotal:
  • Aluminum Oiler Hub Cap With Side Fill Plug With 6 Holes, 5.5 Inch Center to Center

    Aluminum Oiler Hub Cap With Side Fill Plug With 6 Holes, 5.5 Inch Center to Center

    AUTOMANN USA

    $17.36
    Oil Hub Cap With Side Fill PlugOptimize your trailer's axle performance with the Aluminum Oil Hub Cap with Side Fill Plug, a high-quality kit engineered for grease and oil applications. The kit...
    19-20200028
    SKU:
    19-20200028
    Product Type:
    Trailer
    Material Options:
    Aluminum
    Position:
    Kit Full
    Make:
    Universal Items
    $17.36
    Qty in Cart: 0
    Price:
    $17.36
    Subtotal:
  • Amber Single Diode 3/4 Inch Round Marker/ Clearance Light W/ Two .180 Bullet Pigtail

    Amber Single Diode 3/4 Inch Round Marker/ Clearance Light W/ Two .180 Bullet Pigtail

    PETERSON MFG

    $9.90
    Single Diode 3/4 Inch Round Marker/ Clearance Light W/ Two .180 Bullet Pigtail- AmberEnhance the side and clearance lighting on your truck with the Amber Single Diode 3/4 Inch Round Marker/Clearance...
    177ABT2
    SKU:
    177ABT2
    Product Type:
    Lighting
    Shape Options:
    Round
    Diameter Options:
    3/4 Inch
    Color:
    Amber
    Style Options:
    Bullet
    Make:
    Universal Items
    Type Options:
    Grommet Mount
    Material Options:
    Plastic/Poly
    $9.90
    Qty in Cart: 0
    Price:
    $9.90
    Subtotal:
  • On Sale
    Limited Quantity Available
    Wabam Heavy Duty Hand Soap- 16 Oz

    Wabam Heavy Duty Hand Soap- 16 Oz

    WABAM

    Now: $7.99
    Was: $11.42
    Wabam Heavy Duty Hand SoapTake on dirty jobs without worrying about harsh chemicals with Wabam Heavy Duty Hand Soap, the ultimate cleaning solution for professionals. This high-quality hand soap...
    09-1703099
    SKU:
    09-1703099
    Product Type:
    Polishing
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $7.99
    Was: $11.42
    Qty in Cart: 0
    Price:
    Now: $7.99
    Was: $11.42
    Subtotal:
  • 6 Inch Oval Strobe Light With Amber & Clear LED/ Clear Lens

    6 Inch Oval Strobe Light With Amber & Clear LED/ Clear Lens

    BUYERS PRODUCTS

    $48.21
    Amber & Clear LED/ Clear Lens 6 Inch Oval Strobe LightBoost your vehicle's safety and visibility with the 6 Inch Oval Strobe Light With Amber & Clear LED/Clear Lens. This high-quality strobe light...
    09-16090746
    SKU:
    09-16090746
    Shape Options:
    Oval
    Length Options:
    6 Inch
    Material Options:
    Plastic/Poly
    Product Type:
    Lighting
    Make:
    Universal Items
    Color:
    Amber/Clear
    Type Options:
    Grommet Mount
    Width Options:
    7 1/2 Inch
    $48.21
    Qty in Cart: 0
    Price:
    $48.21
    Subtotal:
  • 2.5 Inch Stainless Steel Light Bezel W/ Out Visor

    2.5 Inch Stainless Steel Light Bezel W/ Out Visor

    PETERSON MFG

    $5.50
    2.5 Inch Light Bezel W/ Out VisorSecure, protect, and enhance your lights with the 2.5 Inch Stainless Steel Light Bezel W/ Out Visor. This high-quality bezel accommodates 2.5-inch round...
    09-1605152
    SKU:
    09-1605152
    Shape Options:
    Round
    Product Type:
    Lighting
    Make:
    Universal Items
    Diameter Options:
    3 1/4 Inch
    Light Options:
    Without Lights
    Type Options:
    Flange Mount
    Material Options:
    Stainless Steel
    $5.50
    Qty in Cart: 0
    Price:
    $5.50
    Subtotal:
  • 4 X 1.25 Inch Amber Rectangle Marker/ Clearance LED Light

    4 X 1.25 Inch Amber Rectangle Marker/ Clearance LED Light

    PETERSON MFG

    $7.79
    4 X 1.25 Inch Rectangle Marker/ Clearance LED Light- AmberKeep your rig visible and compliant with the 4 x 1.25 Inch Amber Rectangle Marker/Clearance LED Light, a high-performance LED solution...
    09-160116148
    SKU:
    09-160116148
    Material Options:
    Plastic/Poly
    Color:
    Amber/Red
    Product Type:
    Lighting
    Shape Options:
    Rectangular
    Style Options:
    2 Prong
    Make:
    Universal Items
    Width Options:
    7/8 Inch
    Length Options:
    4 Inch
    Height Options:
    1 1/4 Inch
    $7.79
    Qty in Cart: 0
    Price:
    $7.79
    Subtotal:
  • 4 Inch Round Black Rubber Light Grommet- 10 Pack

    4 Inch Round Black Rubber Light Grommet- 10 Pack

    UNITED PACIFIC

    $13.59
    Black 4 Inch Round Rubber Light GrommetSecure your 4-inch lights with the 4 Inch Round Black Rubber Light Grommet - 10 Pack, crafted for durability and reliable performance. These high-quality rubber...
    09-16021700010
    SKU:
    09-16021700010
    Material Options:
    Rubber
    Color:
    Black
    Diameter Options:
    4 Inch
    Product Type:
    Lighting
    Shape Options:
    Round
    Style Options:
    Grommet Mount
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $13.59
    Qty in Cart: 0
    Price:
    $13.59
    Subtotal:
  • 6 Inch Red Oval Stop/ Turn/ Tail LED Light W/ 10 Diodes & Flange

    6 Inch Red Oval Stop/ Turn/ Tail LED Light W/ 10 Diodes & Flange

    OPTRONICS

    $21.85
    12V Oval Stop/ Turn/ Tail LED Light- RedIf you're looking for a reliable, heavy-duty lighting solution, the 6 Inch Red Oval Stop/Turn/Tail LED Light with 10 Diodes and Flange delivers unmatched...
    09-1601060638
    SKU:
    09-1601060638
    Shape Options:
    Oval
    Color:
    Red
    Product Type:
    Lighting
    Style Options:
    LED
    Make:
    Universal Items
    Length Options:
    3/4 Inch
    Material Options:
    Plastic/Poly
    Height Options:
    3 1/4 Inch
    Width Options:
    7 1/2 Inch
    Type Options:
    Surface Mount
    Ready To Ship:
    Yes
    $21.85
    Qty in Cart: 0
    Price:
    $21.85
    Subtotal:
  • 3/4 Inch Red Round Marker/ Clearance LED Light- 3-Wire W/ Auxiliary Function & 2 .180 Bullets

    3/4 Inch Red Round Marker/ Clearance LED Light- 3-Wire W/ Auxiliary Function & 2 .180 Bullets

    PETERSON MFG

    $10.61
    3/4 Inch Round Marker/ Clearance LED Light- 3-Wire W/ Auxiliary Function & 2 .180 Bullets- RedDurable, efficient, and designed for performance-the 3/4 Inch Red Round Marker/Clearance LED Light with...
    09-1601060652
    SKU:
    09-1601060652
    Product Type:
    Lighting
    Diameter Options:
    3/4 Inch
    Style Options:
    LED
    Material Options:
    Plastic/Poly
    Color:
    Red
    Shape Options:
    Round
    Make:
    Universal Items
    Type Options:
    Grommet Mount
    Ready To Ship:
    Yes
    $10.61
    Qty in Cart: 0
    Price:
    $10.61
    Subtotal:
  • Amber Piranha LED Oval Clearance & Side Marker Light

    Amber Piranha LED Oval Clearance & Side Marker Light

    PETERSON MFG

    $14.89
    Oval Clearance & Side Marker Light- AmberAdd dependable visibility and professional style to your truck or trailer with the Amber Piranha LED Oval Clearance & Side Marker Light. Designed for strength...
    09-160101418
    SKU:
    09-160101418
    Product Type:
    Lighting
    Height Options:
    1 1/2 Inch
    Color:
    Amber
    Material Options:
    Plastic/Poly
    Shape Options:
    Oval
    Make:
    Universal Items
    Type Options:
    Surface Mount
    Width Options:
    4 3/4 Inch
    Ready To Ship:
    Yes
    $14.89
    Qty in Cart: 0
    Price:
    $14.89
    Subtotal:
  • 18 Inch Matte Mahogany Wood Steering Wheel With Leather Spats W/ Aluminum 4- Spoke, Mahogany Pad and Horn Button

    18 Inch Matte Mahogany Wood Steering Wheel With Leather Spats W/ Aluminum 4- Spoke, Mahogany Pad and Horn Button

    STEERING CREATIONS

    $658.35
    18 Inch Wood Steering Wheel With Leather Spats W/ 4- Spoke, Mahogany Pad and Horn ButtonStep into luxury with the 18 Inch Matte Mahogany Wood Steering Wheel, designed to enhance both your truck's...
    09-15000264
    SKU:
    09-15000264
    Product Type:
    Interior
    Diameter Options:
    18 Inch
    Material Options:
    Wood
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $658.35
    Qty in Cart: 0
    Price:
    $658.35
    Subtotal:
  • 18 Inch Matte Mahogany Wood Steering Wheel With Leather Spats W/ Aluminum 4- Spoke, Mahogany Pad and Silver Horn Button

    18 Inch Matte Mahogany Wood Steering Wheel With Leather Spats W/ Aluminum 4- Spoke, Mahogany Pad and Silver Horn Button

    STEERING CREATIONS

    $656.99
    18 Inch Wood Steering Wheel With Leather Spats W/ 4- Spoke, Mahogany Pad and Silver Horn ButtonElevate your driving experience with the 18 Inch Matte Mahogany Wood Steering Wheel, a high-quality...
    09-15000265
    SKU:
    09-15000265
    Material Options:
    Leather
    Product Type:
    Interior
    Diameter Options:
    18 Inch
    Make:
    Universal Items
    $656.99
    Qty in Cart: 0
    Price:
    $656.99
    Subtotal:
  • 3/4 Inch White Round Utility LED Light Kit

    3/4 Inch White Round Utility LED Light Kit

    PETERSON MFG

    $5.39
    3/4 Inch Round Utility LED Light Kit- WhiteBring bright, efficient lighting to any vehicle or work setup with the 3/4 Inch White Round Utility LED Light Kit. This high-quality round utility light...
    09-16010000061
    SKU:
    09-16010000061
    Diameter Options:
    3/4 Inch
    Product Type:
    Lighting
    Shape Options:
    Round
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Type Options:
    Grommet Mount
    Color:
    White/Clear
    Ready To Ship:
    Yes
    $5.39
    Qty in Cart: 0
    Price:
    $5.39
    Subtotal:
  • Limited Quantity Available
    18 Inch Blue Carbon Fiber Steering Wheel W/ Painted Wood & Leather Rim, Chrome 4- Spoke W/ Slot Cut Outs, Chrome Bezel & Chrome Horn Button

    18 Inch Blue Carbon Fiber Steering Wheel W/ Painted Wood & Leather Rim, Chrome 4- Spoke W/ Slot Cut Outs, Chrome Bezel & Chrome Horn Button

    STEERING CREATIONS

    $280.50
    18 Inch Blue Carbon Fiber Steering Wheel W/ Painted Wood & Leather Rim, Chrome 4- Spoke W/ Slot Cut Outs, Matching Bezel & Horn ButtonStep up your truck's style with the 18 Inch Blue Carbon Fiber...
    09-15000260
    SKU:
    09-15000260
    Color:
    Blue
    Product Type:
    Interior
    Make:
    Universal Items
    Material Options:
    Carbon Fiber
    Diameter Options:
    18 Inch
    $280.50
    Qty in Cart: 0
    Price:
    $280.50
    Subtotal:
  • SCI 18 Inch Classic Viper Red Steering Wheel W/ Lightning Pattern 4- Spoke, Red Lightning Bezel & Horn Button

    SCI 18 Inch Classic Viper Red Steering Wheel W/ Lightning Pattern 4- Spoke, Red Lightning Bezel & Horn Button

    STEERING CREATIONS

    $202.13
    Viper Red Steering Wheel 18 Inch W/ Lightning Pattern 4- Spoke, Red Lightning Bezel & Horn Button By SCI* High Quality Steering Wheel* Includes:  - 18 Inch Classic Viper Red Rim With Lightning...
    09-15000266
    SKU:
    09-15000266
    Color:
    Red
    Make:
    Universal Items
    Diameter Options:
    18 Inch
    Product Type:
    Interior
    Material Options:
    Aluminum
    Location:
    Made In USA
    $202.13
    Qty in Cart: 0
    Price:
    $202.13
    Subtotal:
  • 20 Inch Leather Retro Steering Wheel W/ Bone 3- Spoke & Horn Button

    20 Inch Leather Retro Steering Wheel W/ Bone 3- Spoke & Horn Button

    STEERING CREATIONS

    $471.99
    20 Inch Leather Retro Steering Wheel W/ Bone 3- Spoke & Matching Horn ButtonBring classic style and superior control to your truck cab with the 20 Inch Leather Retro Steering Wheel. Featuring a...
    09-15000267
    SKU:
    09-15000267
    Material Options:
    Leather
    Diameter Options:
    20 Inch
    Product Type:
    Interior
    Make:
    Universal Items
    Shape Options:
    Round
    $471.99
    Qty in Cart: 0
    Price:
    $471.99
    Subtotal:
  • 18 Inch The Caddy Steering Wheel W/ Wood Rim, Aluminum 2- Spoke, Chrome Bezel & Chrome Horn Button

    18 Inch The Caddy Steering Wheel W/ Wood Rim, Aluminum 2- Spoke, Chrome Bezel & Chrome Horn Button

    STEERING CREATIONS

    $336.99
    18 Inch Half Wrap Billet Steering Wheel W/ Wood Rim, Aluminum 2- Spoke, Chrome Bezel & Chrome Horn ButtonRedefine your driving experience with the 18 Inch The Caddy Steering Wheel, designed to...
    09-15000262
    SKU:
    09-15000262
    Material Options:
    Leather
    Diameter Options:
    18 Inch
    Product Type:
    Interior
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $336.99
    Qty in Cart: 0
    Price:
    $336.99
    Subtotal:
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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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