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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
  • 21.5 Inch Aluminum LED Light Bar With RGB Accent

    21.5 Inch Aluminum LED Light Bar With RGB Accent

    AFTERMARKET

    $210.99
    Dual-Function LED Light Bar with Color AccentsThis 21.5-inch LED light bar combines main white lighting with red, blue, and green accent lighting effects in a durable aluminum housing. The unit...
    09-16090451
    SKU:
    09-16090451
    Product Type:
    Lighting
    Length Options:
    21 1/2 Inch
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    $210.99
    Qty in Cart: 0
    Price:
    $210.99
    Subtotal:
  • 4 Inch Round LED Work / Flood Lamp - 1755 Lumens

    4 Inch Round LED Work / Flood Lamp - 1755 Lumens

    AUTOMANN USA

    $35.23
    LED Work Flood Light - 4 Inch Round 1755 Lumens IP67 WaterproofLight up your job site with this bright 4-inch LED flood lamp that delivers 1,755 lumens. Built with a durable aluminum and...
    09-16090450
    SKU:
    09-16090450
    Lumens:
    1001 to 2000 Lumens
    Material Options:
    Plastic/Poly
    Product Type:
    Lighting
    Make:
    Universal Items
    Length Options:
    4 Inch
    Shape Options:
    Round
    $35.23
    Qty in Cart: 0
    Price:
    $35.23
    Subtotal:
  • 2.5 X 3 Inch Rectangular Warning / Strobe Light - Amber LED / Clear Lens

    2.5 X 3 Inch Rectangular Warning / Strobe Light - Amber LED / Clear Lens

    AUTOMANN USA

    $57.99
    Amber Rectangular Warning / Strobe Light With 10 Flash Patterns* High Quality Warning/Strobe Light* 2 Inch X 3 Inch* 4 Diodes * Amber Led * Rectangular * Aluminum Housing * 10 Flash Patterns * 11...
    09-160900219
    SKU:
    09-160900219
    Color:
    Amber
    Product Type:
    Lighting
    Make:
    Universal Items
    Shape Options:
    Rectangular
    $57.99
    Qty in Cart: 0
    Price:
    $57.99
    Subtotal:
  • 6 Inch Oval Strobe Warning Light With Reflector - Amber LED

    6 Inch Oval Strobe Warning Light With Reflector - Amber LED

    AUTOMANN USA

    $55.99
    Amber LED Oval Strobe Warning Light 24 DiodesBoost vehicle safety with the 6 Inch Oval Strobe Warning Light with Reflector - Amber LED. Its 24 bright amber diodes and three flash patterns, including...
    09-160900217
    SKU:
    09-160900217
    Product Type:
    Lighting
    Style Options:
    LED
    Make:
    Universal Items
    Color:
    Amber
    $55.99
    Qty in Cart: 0
    Price:
    $55.99
    Subtotal:
  • Electrical Connector Assortment Kit with Storage Case - 80-Piece

    Electrical Connector Assortment Kit with Storage Case - 80-Piece

    AUTOMANN USA

    $11.45
    Assortment of Common Size Insulated Connectors* High Quality Electrical Kit* Quick Connect* 80 Pieces* Sold As Set* Warranty On Electrical Kits Against Defects In Workmanship & Material From Date Of...
    09-16030825
    SKU:
    09-16030825
    Product Type:
    Lighting
    Make:
    Universal Items
    $11.45
    Qty in Cart: 0
    Price:
    $11.45
    Subtotal:
  • 19 Diode Bullet Marker Cab Light - Amber LED/ Amber Lens

    19 Diode Bullet Marker Cab Light - Amber LED/ Amber Lens

    AUTOMANN USA

    $17.90
    Amber Bullet Marker Cab Light* High Quality Marker Light* 19 Diodes* Amber Lens* Lens Shape- Round/ Bullet* Grommet Mount* Hardwired* Voltage Range- 12V* LED Light Only* Sold Individually* Warranty...
    09-16080009
    SKU:
    09-16080009
    Product Type:
    Lighting
    Style Options:
    Grommet Mount
    Color:
    Amber
    Make:
    Universal Items
    $17.90
    Qty in Cart: 0
    Price:
    $17.90
    Subtotal:
  • Heated Snow Plow Lamp White LED / Clear Lens

    Heated Snow Plow Lamp White LED / Clear Lens

    AFTERMARKET

    $348.99
    White Heated Lens Snow Plow Lamp* High Quality Snow Plow Lamp* 18 Diodes* Amber LED* With Heated Lens * 36 Diodes Front Position White Light* 2 Diode 1800 Lumen Low Beam * 5 Diode 3600 Lumen High...
    09-160900210
    SKU:
    09-160900210
    Product Type:
    Lighting
    Style Options:
    Heated
    Make:
    Universal Items
    Color:
    Amber
    $348.99
    Qty in Cart: 0
    Price:
    $348.99
    Subtotal:
  • 4 X 6 Inch Rectangular LED Headlight With Heated Lens & Auxiliary Bars, High Beam 1720 Lumens

    4 X 6 Inch Rectangular LED Headlight With Heated Lens & Auxiliary Bars, High Beam 1720 Lumens

    AUTOMANN USA

    $219.99
    Heated Rectangular LED Headlight 1720 Lumens* High Quality Headlamp* 4 Inch X 6 Inch* Rectangular * With Heated Lens And Auxiliary Bars * High Beam 1720 Lumens * SAE DOT Ip67/Ip69K* Made In USA* Sold...
    09-160600107
    SKU:
    09-160600107
    Style Options:
    LED
    Height Options:
    4 Inch
    Width Options:
    6 Inch
    Product Type:
    Lighting
    Make:
    Universal Items
    Shape Options:
    Rectangular
    $219.99
    Qty in Cart: 0
    Price:
    $219.99
    Subtotal:
  • 5 X 7 Inch Rectangular LED Headlight With Heated Lens & Auxiliary Bars

    5 X 7 Inch Rectangular LED Headlight With Heated Lens & Auxiliary Bars

    AUTOMANN USA

    $301.99
    Heated LED Headlamp* High Quality Headlamp* 5 Inch X 7 Inch* Rectangular * With Heated Lens And Auxiliary Bars * High Beam 1380 Lumens * Low Beam 1008 Lumens * SAE DOT Ip67/Ip69K* Made In USA* Sold...
    09-160600105
    SKU:
    09-160600105
    Width Options:
    7 Inch
    Product Type:
    Lighting
    Style Options:
    LED
    Height Options:
    5 Inch
    Make:
    Universal Items
    Shape Options:
    Rectangular
    $301.99
    Qty in Cart: 0
    Price:
    $301.99
    Subtotal:
  • 4 X 6 Inch Rectangular LED Headlight With Heated Lens & Auxiliary Bars, Low Beam 465 Lumens

    4 X 6 Inch Rectangular LED Headlight With Heated Lens & Auxiliary Bars, Low Beam 465 Lumens

    AUTOMANN USA

    $219.99
    Heated Low Beam LED Headlamp With Diecast Aluminum Housing* High Quality Headlamp* 4 Inch X 6 Inch* Rectangular* With Heated Lens And Auxiliary Bars * Low Beam 465 Lumens * 10-30V * SAE Dot...
    09-160600106
    SKU:
    09-160600106
    Product Type:
    Lighting
    Width Options:
    6 Inch
    Height Options:
    4 Inch
    Make:
    Universal Items
    Style Options:
    LED
    Shape Options:
    Rectangular
    $219.99
    Qty in Cart: 0
    Price:
    $219.99
    Subtotal:
  • Electrical Kit Butt Connectors 76 PCS

    Electrical Kit Butt Connectors 76 PCS

    AUTOMANN USA

    $17.80
    Heavy Duty Value Butt Connector Assortment* High Quality Electrical Kit* Butt Connectors* 76 Pieces* Sold As Set* Warranty On Electrical Kits Against Defects In Workmanship & Material From Date Of...
    09-16030381
    SKU:
    09-16030381
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $17.80
    Qty in Cart: 0
    Price:
    $17.80
    Subtotal:
  • Electrical Ring Terminal Assortment Kit with Storage Case - 80-Piece

    Electrical Ring Terminal Assortment Kit with Storage Case - 80-Piece

    AUTOMANN USA

    $12.71
    Value Heavy Duty Assorted Ring Connectors* High Quality Electrical Kit * Ring Terminal* 80 Pieces* Sold As Set* Warranty On Electrical Kit S Against Defects In Workmanship & Material From Date Of...
    09-16030826
    SKU:
    09-16030826
    Product Type:
    Lighting
    Make:
    Universal Items
    $12.71
    Qty in Cart: 0
    Price:
    $12.71
    Subtotal:
  • Nylon Terminal Electrical Terminal Kit 454 Piece

    Nylon Terminal Electrical Terminal Kit 454 Piece

    AFTERMARKET

    $85.99
    454 Piece Assorted Terminal Kit* High Quality Electrical Kit* Nylon Insulation* Includes:  - (9) 22-18 Gauge M/F Quick Disconnect  - (25) 16-14 Gauge 3/8 Inch Ring Terminals  - (28) 22-18 Gauge No...
    09-16030811
    SKU:
    09-16030811
    Product Type:
    Air, Electrical, & Safety
    Material Options:
    Nylon
    Make:
    Universal Items
    $85.99
    Qty in Cart: 0
    Price:
    $85.99
    Subtotal:
  • 8 Gauge Primary Wire - 100 Ft

    8 Gauge Primary Wire - 100 Ft

    AFTERMARKET

    $171.99
    Electronics Bulk Primary WiringThis 8 gauge primary wire is used in automotive and trailer applications.* High Quality Wire* 100Ft Length* Black* Rated To 221 Degree* Meets SAE J1128* SAE J378*...
    09-16030382
    SKU:
    09-16030382
    Color:
    Black
    Size Options:
    8 Gauge
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    Length Options:
    100 Feet
    $171.99
    Qty in Cart: 0
    Price:
    $171.99
    Subtotal:
  • 1 X 2-1/2 Inch 8 Diode Rectangular Marker Light, Surface Mount - Amber LED / Amber Lens

    1 X 2-1/2 Inch 8 Diode Rectangular Marker Light, Surface Mount - Amber LED / Amber Lens

    AUTOMANN USA

    $11.56
    Amber Rectangular Marker Light* High Quality Marker Light* 1 Inch X 2-1/2 Inch* 8 Diodes* Amber Lens* 10-30V* Lighting Technology- LED* Lens Shape- Rectangular* Surface Mount* Sold Individually*...
    09-16010186
    SKU:
    09-16010186
    Product Type:
    Lighting
    Type Options:
    Surface Mount
    Color:
    Amber
    Make:
    Universal Items
    $11.56
    Qty in Cart: 0
    Price:
    $11.56
    Subtotal:
  • 2 X 4 Inch Oval 6 Diode Marker Light With Chrome Housing - Amber LED / Amber Lens

    2 X 4 Inch Oval 6 Diode Marker Light With Chrome Housing - Amber LED / Amber Lens

    AUTOMANN USA

    $9.24
    Oval Marker Light With Chrome Housing* High Quality Marker Light* 2 Inch X 4 Inch* 6 Diodes* Amber Lens* Chrome-Plated Plastic Housing* Lens Shape- Oval* Surface Mount* Hardwired* Sold Individually*...
    09-16010189
    SKU:
    09-16010189
    Product Type:
    Lighting
    Length Options:
    4 Inch
    Finish Options:
    Chrome-Plated
    Shape Options:
    Oval
    Color:
    Amber
    Height Options:
    2 Inch
    Material Options:
    Plastic/Poly
    Type Options:
    Surface Mount
    Make:
    Universal Items
    $9.24
    Qty in Cart: 0
    Price:
    $9.24
    Subtotal:
  • 3/4 X 3.5 Inch 8 Diode Mini Marker Light, Surface Mount - Amber LED / Amber Lens

    3/4 X 3.5 Inch 8 Diode Mini Marker Light, Surface Mount - Amber LED / Amber Lens

    AUTOMANN USA

    $6.92
    Amber Mini Marker Light* High Quality Marker Light* 3/4 Inch X 3.5 Inch* 8 Diodes* Amber Lens* Mount- Surface Mount* Light Technology- LED* Hardwired* Sold Individually* Warranty On Marker Lights...
    09-16010184
    SKU:
    09-16010184
    Product Type:
    Lighting
    Length Options:
    3 1/2 Inch
    Width Options:
    3/4 Inch
    Type Options:
    Surface Mount
    Color:
    Amber
    Make:
    Universal Items
    $6.92
    Qty in Cart: 0
    Price:
    $6.92
    Subtotal:
  • 4 Inch 60 Diode Round Park / Front / Rear Turn Light Kit - Amber LED

    4 Inch 60 Diode Round Park / Front / Rear Turn Light Kit - Amber LED

    AUTOMANN USA

    $34.26
    Round Park / Front / Rear Turn Light Kit* High Quality Light Kit* Consists Of:  - (1) Led Light  - (1) Light Grommet   - (1) 3 Wire Pigtail* 60 Diodes* Front/ Parking/ Turn Function* Amber Led* 12...
    09-160100759
    SKU:
    09-160100759
    Product Type:
    Lighting
    Style Options:
    Grommet Mount
    Color:
    Amber
    Make:
    Universal Items
    $34.26
    Qty in Cart: 0
    Price:
    $34.26
    Subtotal:
  • 2 X 4 Inch 10 Diode Rectangular Marker Light, Surface Mount - Amber LED / Amber Lens

    2 X 4 Inch 10 Diode Rectangular Marker Light, Surface Mount - Amber LED / Amber Lens

    AUTOMANN USA

    $13.86
    Rectangular Marker Light* High Quality Marker Light* 2 Inch X 4 Inch* 10 LED* Amber Lens* 10-30 Volt* Shape- Rectangular* Mount- Surface Mount* Sold Individually* Warranty On Marker Lights Against...
    09-160100760
    SKU:
    09-160100760
    Product Type:
    Lighting
    Height Options:
    2 Inch
    Shape Options:
    Rectangular
    Length Options:
    4 Inch
    Type Options:
    Surface Mount
    Color:
    Amber
    Make:
    Universal Items
    $13.86
    Qty in Cart: 0
    Price:
    $13.86
    Subtotal:
  • 1 X 3.5 Inch 6 Diode Mini Marker Light, Surface Mount - Amber LED / Amber Lens

    1 X 3.5 Inch 6 Diode Mini Marker Light, Surface Mount - Amber LED / Amber Lens

    AUTOMANN USA

    $5.77
    Mini Amber LED Marker Light* High Quality Marker Light* 1 Inch X 3 Inch* 6 Diodes* Amber * Hardwired* Mounting Holes 2-3/4 Inch* Surface Mount* Sold Individually* Warranty On Marker Lights Against...
    09-16010185
    SKU:
    09-16010185
    Product Type:
    Lighting
    Height Options:
    1 Inch
    Type Options:
    Surface Mount
    Length Options:
    3 Inch
    Color:
    Amber
    Make:
    Universal Items
    $5.77
    Qty in Cart: 0
    Price:
    $5.77
    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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