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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
  • Roadworks Icon NXT Low Profile Watermelon Fender Light Brackets W/ Chrome Billet, Front Amber LED & Lens, Back Red LED & Lens

    Roadworks Icon NXT Low Profile Watermelon Fender Light Brackets W/ Chrome Billet, Front Amber LED & Lens, Back Red LED & Lens

    ROADWORKS

    $158.99
    Icon NXT Low Profile Watermelon Fender Light Brackets W/ Chrome Billet, Front Amber LED & Amber Lens, Back Red LED & Red Lens By Roadworks* High Quality Double Face Fender Light* Made Of 430...
    09-1611107
    SKU:
    09-1611107
    Product Type:
    Lighting
    Material Options:
    Stainless Steel
    Color:
    Amber/Red
    Location:
    Made In USA
    Make:
    Universal Items
    $158.99
    Qty in Cart: 0
    Price:
    $158.99
    Subtotal:
  • LED Bulk Head Green Light W/ Recess Mount, Bullet Style Plugs & Clear Lens

    LED Bulk Head Green Light W/ Recess Mount, Bullet Style Plugs & Clear Lens

    AFTERMARKET

    $10.71
    Bulk Head Light W/ Recess Mount, Bullet Style Plugs, Green LED & Clear Lens* High Quality Bulkhead Light* 11/16 Inch Hole For Mounting * Includes:  - Bullet Style Plugs   - 16 Gauge 6 Inch Lead Wire ...
    09-160104115
    SKU:
    09-160104115
    Product Type:
    Lighting
    Color:
    Green
    Make:
    Universal Items
    $10.71
    Qty in Cart: 0
    Price:
    $10.71
    Subtotal:
  • Special Saber Light Bar LED Turn Signal Light W/ 29 Diode Amber LEDs & Polycarbonate Amber Lens

    Special Saber Light Bar LED Turn Signal Light W/ 29 Diode Amber LEDs & Polycarbonate Amber Lens

    UNITED PACIFIC

    $15.99
    Special Saber Light Bar Amber LED Turn Signal Light W/ 29 Diode, 12 V & Polycarbonate Amber Lens* High Quality LED Turn Signal Light* Special Saber Light Bar Design* DOT/SAE, FMVSS 108* IPX7 Water...
    09-1607002
    SKU:
    09-1607002
    Product Type:
    Lighting
    Material Options:
    Plastic/Poly
    Color:
    Amber
    Location:
    Made In USA
    Shape Options:
    Round
    Diameter Options:
    4 Inch
    Make:
    Universal Items
    $15.99
    Qty in Cart: 0
    Price:
    $15.99
    Subtotal:
  • FREE SHIPPING OVER $249
    HFA5 Series In Tank Filter 50 GPM, 25 PSI Bypass W/ Filter Head & 10 Micron Filter Element

    HFA5 Series In Tank Filter 50 GPM, 25 PSI Bypass W/ Filter Head & 10 Micron Filter Element

    BUYERS PRODUCTS

    $153.99
    HFA5 Series In Tank Filter 100 PSI Working Pressure W/ 1.25 Inch NPTF Thread* High Quality In-Tank Filter* Space Saving In-Tank Design* HFA5 Series* 50 GPM* Operates In Temperatures From -22 To 212...
    09-02500271
    SKU:
    09-02500271
    Product Type:
    Cargo Control
    Rating:
    100 PSI
    Make:
    Universal Items
    $153.99
    Qty in Cart: 0
    Price:
    $153.99
    Subtotal:
  • Double JJ Polished Aluminum Hood Ornament Base W/O Ornament Holes

    Double JJ Polished Aluminum Hood Ornament Base W/O Ornament Holes

    DOUBLE JJ

    $208.99
    Polished Aluminum Hood Ornament Base W/O Ornament Holes By Double JJ* High Quality Hood Ornament Base* Made Of Aluminum* Polished Finish* Base Mounting Holes Only* Ornament And Ornament Holes Not...
    09-126059
    SKU:
    09-126059
    Product Type:
    Hood Parts & Acc.
    Make:
    Universal Items
    $208.99
    Qty in Cart: 0
    Price:
    $208.99
    Subtotal:
  • Wire Harness W/ Waterproof Over-Molded Plug Housing, 50 3 Prong Right Angle Connectors & 3 Red/Black/White Wires

    Wire Harness W/ Waterproof Over-Molded Plug Housing, 50 3 Prong Right Angle Connectors & 3 Red/Black/White Wires

    4 STATE TRUCKS

    $168.99
    Wire Harness W/ 24 Inch Plug Spacing, Waterproof Over-Molded Plug Housing* High Quality Wire Harness* Waterproof Over-Molded Plug Housing* Includes:  - (50) 3 Prong Right Angle Connectors  - (3)...
    09-1603064K50
    SKU:
    09-1603064K50
    Product Type:
    Electronics
    Position:
    Kit Full
    Make:
    Universal Items
    $168.99
    Qty in Cart: 0
    Price:
    $168.99
    Subtotal:
  • Aluminum Weld On Locking Chain Rack 18 Inch

    Aluminum Weld On Locking Chain Rack 18 Inch

    STURDY-LITE

    $101.99
    Weld On 18 Inch Aluminum Locking Chain Rack* High Quality Locking Chain Rack* Made Of Aluminum Alloy* Weld On Style* 18 Inch Width* Sold Individually* Warranty On Locking Chain Racks Against Defects...
    09-0210001
    SKU:
    09-0210001
    Product Type:
    Cargo Control
    Material Options:
    Aluminum
    Type Options:
    Weld On
    Make:
    Universal Items
    $101.99
    Qty in Cart: 0
    Price:
    $101.99
    Subtotal:
  • New Style 5th Wheel Top Plate, Left Side Release Steel

    New Style 5th Wheel Top Plate, Left Side Release Steel

    OPP - ORIGINAL PARTS PROGRAM

    $3,199.99
    Left Side Release New Style 5th Wheel Top Plate Steel* High Quality 5th Wheel Top Plate* Made Of Steel* New Holland Style* Teflon No Lube Pad Inserts* Driver Side Hand Pull* Sold Individually*...
    09-05110202
    SKU:
    09-05110202
    Product Type:
    Frame & Chassis
    Location:
    Made In USA
    Style Options:
    New Holland Style
    Material Options:
    Steel
    Make:
    Universal Items
    $3,199.99
    Qty in Cart: 0
    Price:
    $3,199.99
    Subtotal:
  • Bores Stainless Steel License Plate Holder W/ Mounting Hardware & HUT Sticker

    Bores Stainless Steel License Plate Holder W/ Mounting Hardware & HUT Sticker

    BORES

    $51.99
    License Plate Holder Stainless Steel W/ Mounting Hardware & HUT Sticker By Bores* High Quality License Plate Holder* Made Of 304 Stainless Steel* Includes:  - Single Plate Holder  - HUT Sticker Place...
    09-01070056
    SKU:
    09-01070056
    Product Type:
    Bumpers
    Height Options:
    10 1/2 Inch
    Width Options:
    12 1/2 Inch
    Location:
    Made In USA
    Length Options:
    3 1/2 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $51.99
    Qty in Cart: 0
    Price:
    $51.99
    Subtotal:
  • Aluminum Weld On Half Chain Tray 11 X 18 X 7 Inch

    Aluminum Weld On Half Chain Tray 11 X 18 X 7 Inch

    STURDY-LITE

    $144.99
    Weld On Aluminum Half Chain Tray 11 X 18 X 7 Inch* High Quality Half Chain Tray* Made Of Aluminum Alloy* Weld On Style* Dimensions:  - 18 Inch Width  - 11 Inch Height  - 7 Inch Depth* Sold...
    09-0210002
    SKU:
    09-0210002
    Product Type:
    Cargo Control
    Height Options:
    11 Inch
    Type Options:
    Weld On
    Location:
    Made In USA
    Length Options:
    7 Inch
    Width Options:
    18 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $144.99
    Qty in Cart: 0
    Price:
    $144.99
    Subtotal:
  • Stainless Steel Wrecker Bar 6.5 X 12 X 48 Inch By Brunner For F1-1416-00001A Cab Rack

    Stainless Steel Wrecker Bar 6.5 X 12 X 48 Inch By Brunner For F1-1416-00001A Cab Rack

    BRUNNER FABRICATION

    $722.99
    Wrecker Bar For Strobe Lights For Cab Racks By Brunner FabricationAre you needing a way to mount lights? Brunner Fabrication and 4 State Trucks have you covered. With a sleek design, the bar gives...
    09-021005
    SKU:
    09-021005
    Length Options:
    6 1/2 Inch
    Product Type:
    Cargo Control
    Finish Options:
    Polished
    Location:
    Made In USA
    Light Options:
    Without Lights
    Height Options:
    12 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    48 Inch
    Ready To Ship:
    Yes
    $722.99
    Qty in Cart: 0
    Price:
    $722.99
    Subtotal:
  • Cab Rack Mounting Kit 19 Inch W/ 4 U Bolts

    Cab Rack Mounting Kit 19 Inch W/ 4 U Bolts

    ALTTEC

    $108.99
    19 Inch Cab Rack Mounting Kit W/ 4 U Bolts* High Quality Cab Rack Mounting Kit* Includes:  - (4) 1/4 Inch Mounting Plates  - (4) 5/8 Inch Threaded U-Bolts  - (8) 5/8 Inch Hex Bolts  - (8) 5/8 Inch...
    09-0210015
    SKU:
    09-0210015
    Position:
    Kit Full
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $108.99
    Qty in Cart: 0
    Price:
    $108.99
    Subtotal:
  • Roadworks Stainless Steel Rear Center Panel W/ 3 Crew Light Holes & 4 Inch Round Light Holes

    Roadworks Stainless Steel Rear Center Panel W/ 3 Crew Light Holes & 4 Inch Round Light Holes

    ROADWORKS

    $215.26
    Stainless Steel Rear Center Panel W/ Bezels & License Plate Holes By Roadworks* High Quality Rear Center Panel* Made Of 14 Gauge 430 Stainless Steel* Includes:  - (2) Round 4 Inch Light Holes (Lights...
    09-011100100
    SKU:
    09-011100100
    Product Type:
    Lighting
    Shape Options:
    Rectangular
    Light Options:
    Without Lights
    Size Options:
    14 Gauge
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Universal Items
    $215.26
    Qty in Cart: 0
    Price:
    $215.26
    Subtotal:
  • Roadworks 304 Stainless Steel Rear Light Bar W/ 1 Round 4 Inch Stop, Turn, Tail & 2 Super 21 Light Holes

    Roadworks 304 Stainless Steel Rear Light Bar W/ 1 Round 4 Inch Stop, Turn, Tail & 2 Super 21 Light Holes

    ROADWORKS

    $493.99
    304 Stainless Steel Rear Light Bar W/ 1 Round 4 Inch Stop, Turn, Tail & 2 Super 21 Light Holes By Roadworks* High Quality Rear Light Bar* Made Of 304 Stainless Steel* Includes:  - (2) Rear Light...
    09-011287
    SKU:
    09-011287
    Product Type:
    Bumpers
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Location:
    Made In USA
    Make:
    Universal Items
    $493.99
    Qty in Cart: 0
    Price:
    $493.99
    Subtotal:
  • Fiberglass Roof Cap Replaces R22-6273 For Peterbilt

    Fiberglass Roof Cap Replaces R22-6273 For Peterbilt

    TRUCK SHROUDS

    $1,287.99
    Roof Cap Fiberglass Fits Peterbilt Replaces R22-6273* High Quality Roof Cap* Made Of Fiberglass* Made In USA* Sold Individually* Warranty On Cab Roof Caps Against Defects In Workmanship & Material...
    01-091600002
    SKU:
    01-091600002
    Location:
    Made In USA
    Product Type:
    Exterior
    Material Options:
    Fiberglass
    Cab Style:
    Flat Top
    Make:
    Peterbilt
    $1,287.99
    Qty in Cart: 0
    Price:
    $1,287.99
    Subtotal:
  • Fiberglass Cab Cowl W/ Mounting Holes & Clips Replaces R29-6029 For Peterbilt

    Fiberglass Cab Cowl W/ Mounting Holes & Clips Replaces R29-6029 For Peterbilt

    TRUCK SHROUDS

    $643.99
    Cab Cowl W/ Mounting Holes & Clips Fiberglass Replaces R29-6029 Fits Peterbilt* High Quality Cab Cowl* Made Of Fiberglass* Includes:  - Pre-Drilled Mounting Holes  - Clips* Made In USA* Sold...
    01-091202057
    SKU:
    01-091202057
    Location:
    Made In USA
    Product Type:
    Exterior
    Material Options:
    Fiberglass
    Make:
    Peterbilt
    $643.99
    Qty in Cart: 0
    Price:
    $643.99
    Subtotal:
  • Minimizer Poly Texas Double Single Axle Style Fender Kit W/ Light Box & Bracket Options For 24.5 Dual Tires

    Minimizer Poly Texas Double Single Axle Style Fender Kit W/ Light Box & Bracket Options For 24.5 Dual Tires

    MINIMIZER

    $761.99 - $2,417.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksMinimizer Black Diamond Poly Texas Double Single Axle Style Fender Kit W/ Plastic Brackets & 23 Inch...
    PPR_301152
    SKU:
    PPR_301152
    Truck Class:
    Heavy Duty
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Height Options:
    23 Inch
    Material Options:
    Plastic/Poly
    Ready To Ship:
    Yes
    $761.99 - $2,417.99
    Qty in Cart: 0
    Price:
    $761.99 - $2,417.99
    Subtotal:
  • Minimizer Poly Texas Double Multiple Axle Fender W/ Lightbox Option For 24.5 Dual Tires

    Minimizer Poly Texas Double Multiple Axle Fender W/ Lightbox Option For 24.5 Dual Tires

    MINIMIZER

    $328.99 - $655.99
    Choose Option(s) to see description.Fitment** Designed for 24.5 Dual Tires **Minimizer White High Bar Texas Double Single Axle Fender W/ Light Box 51 Inch & 23 Inch Drop For 24.5 Dual TiresWhite High...
    PPR_301151
    SKU:
    PPR_301151
    Product Type:
    Rear Fenders
    Height Options:
    23 Inch
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Ready To Ship:
    Yes
    $328.99 - $655.99
    Qty in Cart: 0
    Price:
    $328.99 - $655.99
    Subtotal:
  • Texas Chrome Bumper, 10 Gauge W/ Boxed Ends & Mounting Plates By BESTfit For Peterbilt 357/378 SFA & 379

    Texas Chrome Bumper, 10 Gauge W/ Boxed Ends & Mounting Plates By BESTfit For Peterbilt 357/378 SFA & 379

    BESTFIT TRUCK PARTS

    $759.99 - $868.99
    Choose Option(s) to see description.Fitment* Fits Peterbilt 357 1987 thru 2007* Fits Peterbilt 378 1988 thru 2007** Fits Above SBA Models Only* Fits Peterbilt 379 1987 thru 2007BESTfit 18 Inch Chrome...
    PPR_301150
    SKU:
    PPR_301150
    Finish Options:
    Chrome-Plated
    Product Type:
    Bumpers
    Height Options:
    20 Inch
    Material Options:
    Steel
    Type Options:
    Blind Mount
    Style Options:
    Texas Boxed End
    Truck Class:
    Heavy Duty
    Height Options:
    18 Inch
    Size Options:
    10 Gauge
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $759.99 - $868.99
    Qty in Cart: 0
    Price:
    $759.99 - $868.99
    Subtotal:
  • BESTfit Chrome Texas Bumper, 10 Gauge W/ Hand Formed Ends & Tow Hole For Peterbilt 357 & 378 SFA, & 379

    BESTfit Chrome Texas Bumper, 10 Gauge W/ Hand Formed Ends & Tow Hole For Peterbilt 357 & 378 SFA, & 379

    BESTFIT TRUCK PARTS

    $631.99 - $780.99
    Choose Option(s) to see description.Fitment* Fits Peterbilt 357 1987 thru 2007* Fits Peterbilt 378 1988 thru 2007** Fits SFA Models Above Only* Fits Peterbilt 379 1987 thru 2007BESTfit 18 Inch Chrome...
    PPR_301149
    SKU:
    PPR_301149
    Finish Options:
    Chrome-Plated
    Height Options:
    18 Inch
    Product Type:
    Bumpers
    Height Options:
    20 Inch
    Size Options:
    10 Gauge
    Truck Class:
    Heavy Duty
    Style Options:
    Texas Hand Formed
    Type Options:
    Standard Mount
    Material Options:
    Steel
    Style Options:
    Texas Square Hand Formed
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $631.99 - $780.99
    Qty in Cart: 0
    Price:
    $631.99 - $780.99
    Subtotal:
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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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