null

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
  • Single Male Bullet Connector Wire Harness W/ 7 Inch Spacing, 1 Wire Black, 100 Plugs

    Single Male Bullet Connector Wire Harness W/ 7 Inch Spacing, 1 Wire Black, 100 Plugs

    4 STATE TRUCKS

    $150.99
    100 Single Male Bullet Connector Wire Harness W/ 7 Inch Spacing, 1 Wire BlackSimplify your truck's wiring with the Single Male Bullet Connector Wire Harness. Made from 18-gauge wire, this harness...
    09-1603062K100
    SKU:
    09-1603062K100
    Style Options:
    Bullet
    Product Type:
    Lighting
    Size Options:
    18 Gauge
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $150.99
    Qty in Cart: 0
    Price:
    $150.99
    Subtotal:
  • 16 Inch Black Vinyl Half Wrap Cover For Steering Wheel

    16 Inch Black Vinyl Half Wrap Cover For Steering Wheel

    FOREVER SHARP

    $44.87
    Black Vinyl Half Wrap Cover 16 InchAdd style and performance to your truck with this 16 Inch Black Vinyl Half Wrap Steering Wheel Cover. Made of leather grained vinyl, it improves comfort and grip...
    09-150100619
    SKU:
    09-150100619
    Product Type:
    Interior
    Make:
    Universal Items
    $44.87
    Qty in Cart: 0
    Price:
    $44.87
    Subtotal:
  • EV2 2-1/16 Inch Oil Pressure Gauge 0-100 PSI W/ Black Bezel & Built-In Warning Light

    EV2 2-1/16 Inch Oil Pressure Gauge 0-100 PSI W/ Black Bezel & Built-In Warning Light

    ISSPRO

    $212.99
    Oil Pressure Gauge 0-100 PSI W/ Black Bezel & Built-In Warning LightProtect your engine and monitor oil pressure efficiently with the EV2 2-1/16 Inch Oil Pressure Gauge. Reads 0-100 PSI with black...
    09-150100634
    SKU:
    09-150100634
    Product Type:
    Interior
    Make:
    Universal Items
    $212.99
    Qty in Cart: 0
    Price:
    $212.99
    Subtotal:
  • EV2 2-1/16 Inch Coolant Temperature Gauge 100-280F W/ Black Bezel & Built-In Warning Light

    EV2 2-1/16 Inch Coolant Temperature Gauge 100-280F W/ Black Bezel & Built-In Warning Light

    ISSPRO

    $177.99
    Coolant Temperature Gauge 100-280F W/ Black Bezel & Built-In Warning LightMonitor engine coolant accurately with the EV2 2-1/16 Inch Coolant Temperature Gauge. Measures 100-280F with black bezel,...
    09-150100635
    SKU:
    09-150100635
    Product Type:
    Interior
    Make:
    Universal Items
    $177.99
    Qty in Cart: 0
    Price:
    $177.99
    Subtotal:
  • EV2 2-1/16 Inch Pyrometer Gauge 0-1600F W/ White Face, Black Bezel & Built-In Warning Light

    EV2 2-1/16 Inch Pyrometer Gauge 0-1600F W/ White Face, Black Bezel & Built-In Warning Light

    ISSPRO

    $262.99
    Pyrometer Gauge 0-1600F W/ White Face, Black Bezel & Built-In Warning LightKeep your truck running at peak performance with the EV2 2-1/16 Inch Pyrometer Gauge, featuring a white face, black bezel,...
    09-150100628
    SKU:
    09-150100628
    Product Type:
    Interior
    Make:
    Universal Items
    $262.99
    Qty in Cart: 0
    Price:
    $262.99
    Subtotal:
  • 16 Inch Carbon Fiber Leather Grained Vinyl Half Wrap

    16 Inch Carbon Fiber Leather Grained Vinyl Half Wrap

    FOREVER SHARP

    $49.73
    Carbon Fiber Vinyl Half Wrap For 16 Inch Steering WheelsImprove both style and grip with this 16 Inch Carbon Fiber Leather Grained Vinyl Half Wrap for Forever Sharp steering wheels. Durable leather...
    09-150000036
    SKU:
    09-150000036
    Product Type:
    Interior
    Make:
    Universal Items
    $49.73
    Qty in Cart: 0
    Price:
    $49.73
    Subtotal:
  • EV2 2-1/16 Inch Pyrometer Gauge 0-1600F W/ Color Band, Black Bezel & Built-In Warning Light

    EV2 2-1/16 Inch Pyrometer Gauge 0-1600F W/ Color Band, Black Bezel & Built-In Warning Light

    ISSPRO

    $226.99
    Pyrometer Gauge 0-1600F W/ Color Band, Black Bezel & Built-In Warning LightAccurately track your truck's pre-turbo exhaust temperatures with the EV2 2-1/16 Inch Pyrometer Gauge. This EV2 series gauge...
    09-150100631
    SKU:
    09-150100631
    Product Type:
    Interior
    Make:
    Universal Items
    $226.99
    Qty in Cart: 0
    Price:
    $226.99
    Subtotal:
  • EV2 2-1/16 Inch Pyrometer Gauge 0-1600F W/ Black Bezel & Built-In Warning Light

    EV2 2-1/16 Inch Pyrometer Gauge 0-1600F W/ Black Bezel & Built-In Warning Light

    ISSPRO

    $226.99
    Pyrometer Gauge 0-1600F W/ Black Bezel & Built-In Warning LightEnsure optimal engine performance with the EV2 2-1/16 Inch Pyrometer Gauge. EV2 series gauge measures 0-1600F, with black bezel, green...
    09-150100626
    SKU:
    09-150100626
    Product Type:
    Interior
    Make:
    Universal Items
    $226.99
    Qty in Cart: 0
    Price:
    $226.99
    Subtotal:
  • Chrome O-Ring Horn Button

    Chrome O-Ring Horn Button

    FOREVER SHARP

    $80.99
    O-Ring Horn Button- ChromeAdd a classic chrome finish to your steering wheel with this O-Ring Horn Button. Featuring a billet O-ring and high-shine chrome plating, it delivers strength and style...
    09-150000055
    SKU:
    09-150000055
    Product Type:
    Interior
    Make:
    Universal Items
    $80.99
    Qty in Cart: 0
    Price:
    $80.99
    Subtotal:
  • 16 Inch Billet Muscle Half Wrap Steering Wheel

    16 Inch Billet Muscle Half Wrap Steering Wheel

    FOREVER SHARP

    $111.99
    16 Inch Billet Muscle Steering WheelAdd bold style to your truck's steering setup with this 16 Inch Billet Muscle Half Wrap Steering Wheel. Constructed from CNC machined aluminum, it features three...
    09-150100618
    SKU:
    09-150100618
    Product Type:
    Interior
    Make:
    Universal Items
    $111.99
    Qty in Cart: 0
    Price:
    $111.99
    Subtotal:
  • 14 Inch Classic Dark Wood Steering Wheel W/ 3 Chrome Spokes & Polished Horn Button

    14 Inch Classic Dark Wood Steering Wheel W/ 3 Chrome Spokes & Polished Horn Button

    FOREVER SHARP

    $149.99
    14 Inch Dark Wood Steering Wheel W/ 3 Chrome Spokes & Polished Horn ButtonAchieve timeless style and comfort with this 14 Inch Classic Dark Wood Steering Wheel. The mahogany grip is urethane-coated...
    09-150000024
    SKU:
    09-150000024
    Product Type:
    Interior
    Make:
    Universal Items
    $149.99
    Qty in Cart: 0
    Price:
    $149.99
    Subtotal:
  • 6- Hole Chrome Horn Button W/ Logo For Forever Sharp Steering Wheel

    6- Hole Chrome Horn Button W/ Logo For Forever Sharp Steering Wheel

    FOREVER SHARP

    $38.75
    Chrome Horn Button- 6- HoleUpgrade your Forever Sharp steering wheel with this high-quality 6-Hole Chrome Horn Button featuring the engraved Forever Sharp logo. Crafted with high-shine chrome...
    09-150000026
    SKU:
    09-150000026
    Product Type:
    Interior
    Make:
    Universal Items
    $38.75
    Qty in Cart: 0
    Price:
    $38.75
    Subtotal:
  • 3.5 Inch Air Cylinder Kit

    3.5 Inch Air Cylinder Kit

    VELVAC

    $274.99
    Air Cylinder Kit W/ 8.68 Inch StrokeBoost your equipment's functionality with this durable 3.5 Inch Air Cylinder Kit. With an 8.68-inch stroke and push/pull design, it's perfect for tailgate...
    09-02500260
    SKU:
    09-02500260
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $274.99
    Qty in Cart: 0
    Price:
    $274.99
    Subtotal:
  • CSM Aluminum Toolbox W/ Stainless Steel Door- 18 x 18 x 48 Inch

    CSM Aluminum Toolbox W/ Stainless Steel Door- 18 x 18 x 48 Inch

    CHROME SHOP MAFIA

    $940.99
    18 x 18 x 48 Inch Aluminum Toolbox W/ SS Door By Chrome Shop MafiaImprove your truck's storage and protection with the CSM Aluminum Toolbox - 18 x 18 x 48 Inch featuring a Stainless Steel Door, built...
    09-020118184801
    SKU:
    09-020118184801
    Length Options:
    18 Inch
    Width Options:
    18 Inch
    Material Options:
    Aluminum
    Product Type:
    Toolboxes
    Truck Class:
    Universal
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $940.99
    Qty in Cart: 0
    Price:
    $940.99
    Subtotal:
  • CNC Cut Floor Padding For Peterbilt 379 W/ 63 Inch Sleeper

    CNC Cut Floor Padding For Peterbilt 379 W/ 63 Inch Sleeper

    SPARETIME FAB

    $263.99
    63 Inch Sleeper CNC Cut Floor Padding Fits Peterbilt 379 W/ 63 Inch SleeperKeep your Peterbilt 379 sleeper interior fresh and protected with CNC Cut Floor Padding. Waterproof, 3/8-inch thick, and...
    01-151500073
    SKU:
    01-151500073
    Product Type:
    Interior
    $263.99
    Qty in Cart: 0
    Price:
    $263.99
    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.


Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!