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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.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • 1 X 0.9 Inch Patriot LED Step Light With Red / White / Blue LEDs

    1 X 0.9 Inch Patriot LED Step Light With Red / White / Blue LEDs

    MAXXIMA

    $18.89
    Patriot LED Step Light With 3 DiodesAdd a patriotic touch to your step with this compact micro LED courtesy light. Housed in chrome and measuring just 1 inch wide by 0.9 inches tall, its low-profile...
    09-160105101
    SKU:
    09-160105101
    Light Options:
    With Lights
    Product Type:
    Lighting
    Color:
    Various
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Width Options:
    1 Inch
    Height Options:
    1 Inch
    Length Options:
    1/2 Inch
    $18.89
    Qty in Cart: 0
    Price:
    $18.89
    Subtotal:
  • On Sale
    Limited Quantity Available
    Green Plastic Lens For 3 Inch Projected Marker Light

    Green Plastic Lens For 3 Inch Projected Marker Light

    GRAND GENERAL

    Now: $0.49
    Was: $2.13
    3 Inch Green Plastic Lens* High Quality Lens* Plastic* Green * For 3 Inch Marker Light* Sold Individually* Warranty On Lens Against Defects In Workmanship & Material From Date Of Purchase *** High...
    09-160104252
    SKU:
    09-160104252
    Material Options:
    Plastic/Poly
    Product Type:
    Lighting
    Diameter Options:
    3 Inch
    Color:
    Green
    Ready To Ship:
    Yes
    Make:
    Universal Items
    Now: $0.49
    Was: $2.13
    Qty in Cart: 0
    Price:
    Now: $0.49
    Was: $2.13
    Subtotal:
  • 3 X 2 Inch M3 Marker Clearance Light With Chrome Bezel, .180 Bullet Connector - Red LED / Red Lens

    3 X 2 Inch M3 Marker Clearance Light With Chrome Bezel, .180 Bullet Connector - Red LED / Red Lens

    OPTRONICS

    $14.00
    M3 Series LED Light - Chrome Aero DesignThe M3 LED clearance marker lights feature a sleek, aerodynamic design with chrome-plated bezels that resist corrosion. Each light measures 3 inches long by 2...
    09-1601060121
    SKU:
    09-1601060121
    Product Type:
    Lighting
    Color:
    Red
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    $14.00
    Qty in Cart: 0
    Price:
    $14.00
    Subtotal:
  • 4 Inch Round High / Low Pearl Light Blue LED / Clear Smoked Lens

    4 Inch Round High / Low Pearl Light Blue LED / Clear Smoked Lens

    GRAND GENERAL

    $33.70
    Blue 4 Inch Sleeper Smoke Lens LED Light* High Quality LED Light* Polycarbonate* 4 Inch* 24 Diodes* High/Low Functions* Blue LED/Clear Smoked Lens * 12 Volts* Sold Individually* Warranty On Led...
    09-160102033
    SKU:
    09-160102033
    Product Type:
    Lighting
    Color:
    Blue
    Diameter Options:
    4 Inch
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    $33.70
    Qty in Cart: 0
    Price:
    $33.70
    Subtotal:
  • 4 Inch Specialty Light 12 Diode - Blue LED & Clear Lens

    4 Inch Specialty Light 12 Diode - Blue LED & Clear Lens

    AFTERMARKET

    $29.06
    Specialty Light 12 Diode 4 Inch Blue LED & Clear Lens* High Quality LED Light* 4 Inch* 12 Diodes * Blue LED/ Clear Lens* Sold Individually* Warranty On LED Lights Against Defects In Workmanship &...
    09-160102116
    SKU:
    09-160102116
    Height Options:
    3 Inch
    Width Options:
    4 Inch
    Color:
    Blue
    Style Options:
    LED
    Product Type:
    Lighting
    Length Options:
    4 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $29.06
    Qty in Cart: 0
    Price:
    $29.06
    Subtotal:
  • 6.5 Inch Oval Spyder Light With Amber LED / Amber Lens

    6.5 Inch Oval Spyder Light With Amber LED / Amber Lens

    GRAND GENERAL

    $25.91
    6.5 Inch Oval Amber Spyder Light With Amber Lens* High Quality Spyder Light* 6.5 Inch * Oval* Amber LED/ Amber Lens* Sold Individually* Warranty On Spyder Lights Against Defects In Workmanship &...
    09-1601010561
    SKU:
    09-1601010561
    Shape Options:
    Oval
    Product Type:
    Lighting
    Width Options:
    6 1/2 Inch
    Color:
    Amber/Clear
    Make:
    Universal Items
    $25.91
    Qty in Cart: 0
    Price:
    $25.91
    Subtotal:
  • Oval Smart Dynamic Sequential Park/Turn/Clearance Light - Amber LED / Clear Lens

    Oval Smart Dynamic Sequential Park/Turn/Clearance Light - Amber LED / Clear Lens

    GRAND GENERAL

    $41.72
    Oval Smart Dynamic Sequential LED SealedThis high-performance oval light combines 27 bright amber LEDs with smart detection technology for enhanced safety and visibility. Features instant-on brake...
    09-1601010789
    SKU:
    09-1601010789
    Product Type:
    Lighting
    Color:
    Amber/Clear
    Shape Options:
    Oval
    Width Options:
    6 1/2 Inch
    Make:
    Universal Items
    Length Options:
    1 7/8 Inch
    Height Options:
    2 1/4 Inch
    $41.72
    Qty in Cart: 0
    Price:
    $41.72
    Subtotal:
  • 3 3/4 X 1 5/16 Inch Chrome Window Crank With Purple Jewel And 3/8 Inch Square Adapter

    3 3/4 X 1 5/16 Inch Chrome Window Crank With Purple Jewel And 3/8 Inch Square Adapter

    GRAND GENERAL

    $14.94
    Chrome Window Crank Handle with Purple Color Jewel* High Quality Window Crank* Made Of Chrome Die Cast Plastic Flat Top* Includes:  - 3/8 Inch Square Adapter  - Purple Jewel* Dimensions:  - 3-3/4...
    09-1530086
    SKU:
    09-1530086
    Product Type:
    Interior
    Length Options:
    3 1/4 Inch
    Diameter Options:
    1 5/16 Inch
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $14.94
    Qty in Cart: 0
    Price:
    $14.94
    Subtotal:
  • 2.5 Inch Marker Light Amber LED / Clear Lens

    2.5 Inch Marker Light Amber LED / Clear Lens

    OPTRONICS

    $8.51
    2.5 Inch Amber Marker Light With Clear Lens* High Quality LED Light * 2.5 Inch * Marker Function* Amber LED/ Clear Lens* Sold Individually* Warranty On LED Lights Against Defects In Workmanship &...
    09-1601011170
    SKU:
    09-1601011170
    Style Options:
    LED
    Product Type:
    Lighting
    Color:
    Amber/Clear
    Diameter Options:
    2 1/2 Inch
    Make:
    Universal Items
    $8.51
    Qty in Cart: 0
    Price:
    $8.51
    Subtotal:
  • 6 5/8 Inch Oval Gen 1 Marker Light 16 Diode - Amber LED / Amber Lens

    6 5/8 Inch Oval Gen 1 Marker Light 16 Diode - Amber LED / Amber Lens

    TRUX ACCESSORIES

    $26.64
    Direct Replacement For Panelite M1 Marker LightsThis oval marker light has 16 amber diodes behind an amber lens and meets all DOT requirements. It's 6-5/8 Inch long and easily hooks up to standard...
    09-160101005
    SKU:
    09-160101005
    Finish Options:
    Chrome-Plated
    Length Options:
    9 Inch
    Shape Options:
    Oval
    Width Options:
    2 Inch
    Color:
    Amber
    Product Type:
    Lighting
    Style Options:
    LED
    Height Options:
    4 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $26.64
    Qty in Cart: 0
    Price:
    $26.64
    Subtotal:
  • Steering Creations 18 Inch Marion Black Leather 2 Spoke Steering Wheel With VIP Horn Button

    Steering Creations 18 Inch Marion Black Leather 2 Spoke Steering Wheel With VIP Horn Button

    STEERING CREATIONS

    $264.99
    Marion Black Leather 2 Spoke Steering WheelThe Marion 18-inch Black Leather Steering Wheel has a sleek, modern design with a nickel-plated 2-spoke frame and unique triangle cut-outs. It's wrapped in...
    09-1500414
    SKU:
    09-1500414
    Diameter Options:
    18 Inch
    Material Options:
    Leather
    Product Type:
    Interior
    Color:
    Black
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Shape Options:
    Round
    $264.99
    Qty in Cart: 0
    Price:
    $264.99
    Subtotal:
  • Rectangular 2-Bulb Sealed Marker Light With Clear Lens

    Rectangular 2-Bulb Sealed Marker Light With Clear Lens

    GRAND GENERAL

    $3.79
    Interior Rectangle Clear 2 Bulb Marker Light* High Quality Marker Light* 2 Bulb* Clear Lens* Rectangle* Sold Individually* Warranty On Marker Lights Against Defects In Workmanship & Material From...
    09-160000110
    SKU:
    09-160000110
    Product Type:
    Lighting
    Shape Options:
    Rectangular
    Make:
    Universal Items
    $3.79
    Qty in Cart: 0
    Price:
    $3.79
    Subtotal:
  • Turnpike Truck Trim 9 Inch SS Angled Shifter Extension With 3/4 Inch Thread

    Turnpike Truck Trim 9 Inch SS Angled Shifter Extension With 3/4 Inch Thread

    TURNPIKE TRUCK TRIM

    $40.79
    9-Inch Polished Stainless Steel Shifter ExtensionUpgrade your ride with our polished stainless steel shifter extension. This 9-inch angled design with 3/4-inch threading brings your shift knob closer...
    09-1513752
    SKU:
    09-1513752
    Product Type:
    Interior
    Length Options:
    9 Inch
    Diameter Options:
    3/4 Inch
    Material Options:
    Stainless Steel
    Style Options:
    Angled
    Finish Options:
    Polished
    Make:
    Universal Items
    $40.79
    Qty in Cart: 0
    Price:
    $40.79
    Subtotal:
  • On Sale
    Limited Quantity Available
    Small Dash Screw W/ Purple Jewel

    Small Dash Screw W/ Purple Jewel

    GRAND GENERAL

    Now: $2.64
    Was: $9.99
    Dash Screw Small W/ Purple Jewel* High Quality Dash Screw* Small* With Purple Jewel* Sold Individually* Warranty On Dash Screws Against Defects In Workmanship & Material From Date Of Purchase ***...
    09-15010161
    SKU:
    09-15010161
    Product Type:
    Interior
    Color:
    Purple
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $2.64
    Was: $9.99
    Qty in Cart: 0
    Price:
    Now: $2.64
    Was: $9.99
    Subtotal:
  • 18 Inch Triple Threat Chrome 3 Spoke Half Wrap Black Leather Steering Wheel

    18 Inch Triple Threat Chrome 3 Spoke Half Wrap Black Leather Steering Wheel

    STEERING CREATIONS

    $307.99
    Steering Creations Triple Threat Steering Wheel* High Quality Steering Wheel* Chrome-Plated Billet Aluminum* 18 Inch* 3-Spoke * Black Leather Rim * With Chrome Bezel And Horn Button * With Sci Logo *...
    09-15003155
    SKU:
    09-15003155
    Product Type:
    Interior
    Finish Options:
    Chrome-Plated
    Diameter Options:
    18 Inch
    Material Options:
    Billet Aluminum
    Make:
    Universal Items
    $307.99
    Qty in Cart: 0
    Price:
    $307.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Blue Tiger Black Microphone Covers 3 Pack

    Blue Tiger Black Microphone Covers 3 Pack

    BLUE TIGER

    Now: $1.87
    Was: $6.25
    3 Pack Blue Tiger Black Microphone Covers* High Quality Microphone Cover* Foam* Black * Pack Of 3* Made In USA* Sold Individually * Warranty On Microphone Covers Against Defects In Workmanship &...
    09-15200011
    SKU:
    09-15200011
    Color:
    Black
    Product Type:
    Interior
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Location:
    Made In USA
    Material Options:
    Foam
    Now: $1.87
    Was: $6.25
    Qty in Cart: 0
    Price:
    Now: $1.87
    Was: $6.25
    Subtotal:
  • Hardware Kit For Winter Front

    Hardware Kit For Winter Front

    BELMOR

    $48.40
    Replacement Hardware Kit For Winter Front* High Quality Hardware Kit* For Winter front* Made In USA* Sold Individually* Warranty On Hardware Kits Against Defects In Workmanship & Material From Date...
    09-12090001
    SKU:
    09-12090001
    Product Type:
    Hood Parts & Acc.
    Location:
    Made In USA
    Make:
    Universal Items
    $48.40
    Qty in Cart: 0
    Price:
    $48.40
    Subtotal:
  • Weld-In Bracket For Shortening Hogebuilt Fender Brackets

    Weld-In Bracket For Shortening Hogebuilt Fender Brackets

    CHROME SHOP MAFIA

    $29.73
    Weld-In Bracket For Shortening Hogebuilt Fender Brackets* High Quality Weld-In Bracket* Made In USA* Sold Individually* Warranty On Weld-In Brackets Against Defects In Workmanship & Material From...
    09-111010
    SKU:
    09-111010
    Product Type:
    Rear Fenders
    Location:
    Made In USA
    Make:
    Universal Items
    $29.73
    Qty in Cart: 0
    Price:
    $29.73
    Subtotal:
  • 20 Inch Chrome 4 Spoke Mahogany Steering Wheel - Without Hub

    20 Inch Chrome 4 Spoke Mahogany Steering Wheel - Without Hub

    STEERING CREATIONS

    $337.99
    20 Inch 4 Spoke Mahogany Steering Wheel* High Quality Steering Wheel * Mahogany * Wood Rim * 20 Inch* With Chrome 4-Spoke * With Slot Cut Outs * Includes Chrome Bezel And Horn Button * With Sci Logo...
    09-15003154
    SKU:
    09-15003154
    Product Type:
    Interior
    Diameter Options:
    20 Inch
    Material Options:
    Wood
    Make:
    Universal Items
    $337.99
    Qty in Cart: 0
    Price:
    $337.99
    Subtotal:
  • RoadWatch Digital Surface Temperature Sensor Kit

    RoadWatch Digital Surface Temperature Sensor Kit

    BOSTROM TRUCK SEATS

    $817.99
    Roadwatch Sensor Kit With Digital Display & 12 FT Extension CableThe RoadWatch Sensor Kit shows exact road temperatures in Fahrenheit on its digital display. With a 12-foot cable, the sensor mounts...
    09-09150119
    SKU:
    09-09150119
    Product Type:
    Seats
    Length Options:
    144 Inch
    Make:
    Universal Items
    $817.99
    Qty in Cart: 0
    Price:
    $817.99
    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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