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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
  • Merritt Aluminum Top Mount Cargo Stop Bracket - Pair W/ Bracket Finish Option

    Merritt Aluminum Top Mount Cargo Stop Bracket - Pair W/ Bracket Finish Option

    MERRITT

    $292.99 - $293.99
    Choose Option(s) to see description.Merritt Aluminum Top Mount Cargo Stop Bracket - Powder Coated Gloss Finish, Universal Fit - PairPowder Coated Top Mount Bracket For Cargo Stop* High Quality Top...
    PPR_205947
    SKU:
    PPR_205947
    Product Type:
    Cargo Control
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Truck Class:
    Universal
    Make:
    Universal Items
    $292.99 - $293.99
    Qty in Cart: 0
    Price:
    $292.99 - $293.99
    Subtotal:
  • Merritt Aluminum Textured Black Ladder Rack & 56 Inch Wide Loading Area W/ Length, Bed & Cab Option

    Merritt Aluminum Textured Black Ladder Rack & 56 Inch Wide Loading Area W/ Length, Bed & Cab Option

    MERRITT

    $5,949.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Light Duty TrucksMerritt Aluminum 12 Foot Textured Black Ladder Rack W/ 56 Inch Wide Loading Area For Full...
    PPR_205949
    SKU:
    PPR_205949
    Product Type:
    Cargo Control
    Material Options:
    Aluminum
    Truck Class:
    Light Duty
    Truck Class:
    Universal
    Make:
    Universal Items
    $5,949.99
    Qty in Cart: 0
    Price:
    $5,949.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Turnpike Truck Trim Stainless Steel Drop Visors For Dual Square Headlights

    Turnpike Truck Trim Stainless Steel Drop Visors For Dual Square Headlights

    TURNPIKE TRUCK TRIM

    $47.24
    Drop Dual Square Headlight Visor* High Quality Headlight Visor* Made Of 430 Stainless Steel * Drop Dual Square* Sold As Pair* Warranty On Headlight Visor Against Defects In Workmanship & Material...
    29-16060001
    SKU:
    29-16060001
    Finish Options:
    Polished
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Lighting
    Shape Options:
    Square
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $47.24
    Qty in Cart: 0
    Price:
    $47.24
    Subtotal:
  • 304 Stainless Steel Extended CB Bracket

    304 Stainless Steel Extended CB Bracket

    ROADWORKS

    $33.19
    CB Bracket Fits Most 10 Meter Cobra 148, Uniden Grant, Galaxy, Connex, Texas Ranger, Northstar And Voyager* High Quality CB Bracket* Made Of 304 Stainless Steel * Fits Most 10 Meter Cobra 148, Uniden...
    09-1520013
    SKU:
    09-1520013
    Truck Class:
    Heavy Duty
    Product Type:
    Interior
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $33.19
    Qty in Cart: 0
    Price:
    $33.19
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 15 Speed Sloped Replacement Shift Knob For Eaton Fuller- Replaces A-6915, A-5015

    BESTfit 15 Speed Sloped Replacement Shift Knob For Eaton Fuller- Replaces A-6915, A-5015

    BESTFIT TRUCK PARTS

    $65.99
    BESTfit Replacement Shift Knob Sloped Style For 15 Speed Eaton-Fuller TransmissionsAchieve effortless gear transitions with the BESTfit 15 Speed Sloped Replacement Shift Knob for Eaton Fuller...
    09-151340
    SKU:
    09-151340
    Color:
    Black
    Truck Class:
    Heavy Duty
    Product Type:
    Interior
    Style Options:
    Sloped
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $65.99
    Qty in Cart: 0
    Price:
    $65.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Turnpike Truck Trim 430 SS Extended CB Bracket

    Turnpike Truck Trim 430 SS Extended CB Bracket

    TURNPIKE TRUCK TRIM

    $25.26
    Stainless Steel Extended CB Bracket* High Quality CB Bracket * Made Of Stainless Steel* Cobra 148, Uniden Grant, Galaxy, Connex, Texas Ranger, Northstar And Voyager CBs* Made In USA* Sold...
    09-1520009
    SKU:
    09-1520009
    Product Type:
    Exterior
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $25.26
    Qty in Cart: 0
    Price:
    $25.26
    Subtotal:
  • FREE SHIPPING OVER $249
    Turnpike Truck Trim 11 X 20 Inch SS Smooth Anti-Sail Mud Flap Plates

    Turnpike Truck Trim 11 X 20 Inch SS Smooth Anti-Sail Mud Flap Plates

    TURNPIKE TRUCK TRIM

    $104.99
    Stainless Steel Plain Anti-Sail PlateCheck out our Mud flap Anti-Sail Plates for trailers. Made from stainless steel, these plates measure 20 inches tall and 11 inches wide. They're sold in pairs,...
    09-0507048
    SKU:
    09-0507048
    Height Options:
    20 Inch
    Product Type:
    Mud Flaps
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $104.99
    Qty in Cart: 0
    Price:
    $104.99
    Subtotal:
  • FREE SHIPPING OVER $249
    11 X 14 Inch SS Tapered Louvered Anti-Sail Mud Flap Plates

    11 X 14 Inch SS Tapered Louvered Anti-Sail Mud Flap Plates

    TURNPIKE TRUCK TRIM

    $62.99
    Stainless Steel Louvered Anti-Sail PlateThese Louvered Anti-Sail Plates are a smart choice for any truck owner. Made from durable stainless steel, they feature a tapered design, measuring 14 inches...
    09-0507047
    SKU:
    09-0507047
    Truck Class:
    Heavy Duty
    Height Options:
    14 Inch
    Product Type:
    Mud Flaps
    Make:
    Universal Items
    $62.99
    Qty in Cart: 0
    Price:
    $62.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Turnpike Truck Trim 4 X 20 Inch 430 Stainless Steel Step Plate

    Turnpike Truck Trim 4 X 20 Inch 430 Stainless Steel Step Plate

    TURNPIKE TRUCK TRIM

    $127.99
    20 X 4 X 0.5 Inch Stainless Steel Step Plate With Tape Mount* High Quality Step Plate* Made Of 430 Stainless Steel * Provides Better Traction On Horizontal Steps And Surfaces* Tread Pattern*...
    09-050500002
    SKU:
    09-050500002
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Height Options:
    1/2 Inch
    Width Options:
    4 Inch
    Length Options:
    20 Inch
    Ready To Ship:
    Yes
    $127.99
    Qty in Cart: 0
    Price:
    $127.99
    Subtotal:
  • Turnpike Truck Trim Custom Punched Grille Insert With Horizontal Ovals For Peterbilt 357, 377, 378, 379 & 385

    Turnpike Truck Trim Custom Punched Grille Insert With Horizontal Ovals For Peterbilt 357, 377, 378, 379 & 385

    TURNPIKE TRUCK TRIM

    $469.99
    42.25 X 33.75 Inch Punched Grille InsertThis high quality 42.25 X 33.75 inch stainless steel grille insert with horizontal oval cutouts is for the Peterbilt 357, 377, 378, 385, and 379 119 BBC. The...
    01-1210008
    SKU:
    01-1210008
    Truck Class:
    Heavy Duty
    Product Type:
    Hood Parts & Acc.
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $469.99
    Qty in Cart: 0
    Price:
    $469.99
    Subtotal:
  • Turnpike Truck Trim 11 Inch Stainless Steel Darwin Style Drop Visor For Peterbilt 2005 & Newer W/ Cab-Mounted Mirrors

    Turnpike Truck Trim 11 Inch Stainless Steel Darwin Style Drop Visor For Peterbilt 2005 & Newer W/ Cab-Mounted Mirrors

    TURNPIKE TRUCK TRIM

    $591.99
    11 Inch Stainless Steel Darwin Style Drop Visor By Turnpike Truck Trim Fits Peterbilt 2005 & Newer W/ Cab-Mounted MirrorsAdd classic style and practical sun protection to your Peterbilt with this 11...
    01-09003117
    SKU:
    01-09003117
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Product Type:
    Exterior
    Make:
    Peterbilt
    Cab Style:
    Ultra Cab
    Type Options:
    Post Mount
    Height Options:
    11 Inch
    Style Options:
    Darwin Drop
    Ready To Ship:
    Yes
    $591.99
    Qty in Cart: 0
    Price:
    $591.99
    Subtotal:
  • Roadworks 11 Inch Stainless Steel Darwin Drop Visor W/ 10 - 3/4 Inch Amber Lights & Clear Lens For Peterbilt

    Roadworks 11 Inch Stainless Steel Darwin Drop Visor W/ 10 - 3/4 Inch Amber Lights & Clear Lens For Peterbilt

    ROADWORKS

    $695.99
    11 Inch Stainless Steel Darwin Drop Visor W/ 10 - 3/4 Inch Amber Lights & Clear Lens By Roadworks Fits PeterbiltAdd functional flair to your Peterbilt with the 11 Inch Stainless Steel Darwin Drop...
    01-090000004
    SKU:
    01-090000004
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Type Options:
    Standard Mount
    Finish Options:
    Polished
    Product Type:
    Exterior
    Make:
    Peterbilt
    Style Options:
    Drop
    $695.99
    Qty in Cart: 0
    Price:
    $695.99
    Subtotal:
  • Stainless Steel Full Radius Upper Fuel Tank Bracket Cover W/ Sanded Finish For Peterbilt W/ 26 Inch Diameter Tanks

    Stainless Steel Full Radius Upper Fuel Tank Bracket Cover W/ Sanded Finish For Peterbilt W/ 26 Inch Diameter Tanks

    ROADWORKS

    $326.99
    Sanded Full Radius Upper Fuel Tank Bracket Cover For 26 Inch Diameter Fuel TanksAdd durability and style to your Peterbilt with a pair of Stainless Steel Full Radius Tank Saddle Covers designed for...
    01-0601026
    SKU:
    01-0601026
    Product Type:
    Fuel Tanks
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Diameter Options:
    26 Inch
    $326.99
    Qty in Cart: 0
    Price:
    $326.99
    Subtotal:
  • Stainless Steel Custom Punched Grille Inserts For Peterbilt 379 Extended Hood

    Stainless Steel Custom Punched Grille Inserts For Peterbilt 379 Extended Hood

    ROADWORKS

    $502.99 - $503.99
    Is it time to refresh the look of your Peterbilt 379? At 4 State Trucks, we offer premium replacement grille inserts that restore shine and function to your rig's front end.Crafted from polished...
    PPR_299994
    SKU:
    PPR_299994
    Finish Options:
    Polished
    Material Options:
    Stainless Steel
    Product Type:
    Hood Parts & Acc.
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    $502.99 - $503.99
    Qty in Cart: 0
    Price:
    $502.99 - $503.99
    Subtotal:
  • Roadworks Custom Stainless Steel Decorative Grille Bar W/ Mounting Hardware

    Roadworks Custom Stainless Steel Decorative Grille Bar W/ Mounting Hardware

    ROADWORKS

    $51.99 - $76.99
    Whether you're replacing an existing grille bar or adding a custom finishing touch to your truck, this stainless steel grille bar offers a clean, polished look that complements a wide variety of...
    PPR_299993
    SKU:
    PPR_299993
    Finish Options:
    Polished
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Ready To Ship:
    Yes
    Product Type:
    Hood Parts & Acc.
    Location:
    Made In USA
    Type Options:
    Bolt Mount
    $51.99 - $76.99
    Qty in Cart: 0
    Price:
    $51.99 - $76.99
    Subtotal:
  • Roadworks 14.5 Inch Stainless Steel Drop Visor For Peterbilt Ultracab 2005-Newer W/ Cab Mounted Mirrors

    Roadworks 14.5 Inch Stainless Steel Drop Visor For Peterbilt Ultracab 2005-Newer W/ Cab Mounted Mirrors

    ROADWORKS

    $514.99 - $603.99
    Choose Option(s) to see description.Fitment* Fits Peterbilt 335 2005 thru 2010* Fits Peterbilt 357 2005 thru 2007* Fits Peterbilt 378 2005 thru 2007* Fits Peterbilt 379 2005 thru 2007* Fits Peterbilt...
    PPR_299991
    SKU:
    PPR_299991
    Material Options:
    Stainless Steel
    Finish Options:
    Paintable
    Type Options:
    Blind Mount
    Product Type:
    Exterior
    Finish Options:
    Polished
    Type Options:
    Standard Mount
    Make:
    Peterbilt
    Light Options:
    Without Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Height Options:
    14 1/2 Inch
    Cab Style:
    Ultra Cab
    Style Options:
    Straight Drop
    $514.99 - $603.99
    Qty in Cart: 0
    Price:
    $514.99 - $603.99
    Subtotal:
  • 2 Inch Round Single Diode Flat Marker Light - LED And Lens Color Options

    2 Inch Round Single Diode Flat Marker Light - LED And Lens Color Options

    ROADWORKS

    $13.21 - $14.31
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks2 Inch Round Flat Amber LED Clear Lens Light2 Inch Amber LED Clear Lens Light* High Quality LED Light *...
    PPR_299992
    SKU:
    PPR_299992
    Product Type:
    Lighting
    Truck Class:
    Universal
    Make:
    Universal Items
    Diameter Options:
    2 Inch
    Material Options:
    Plastic/Poly
    Shape Options:
    Round
    Location:
    Made In USA
    $13.21 - $14.31
    Qty in Cart: 0
    Price:
    $13.21 - $14.31
    Subtotal:
  • 2 Inch Orange Polyester Super Edge Ratchet Strap - 3335 Lb WLL

    2 Inch Orange Polyester Super Edge Ratchet Strap - 3335 Lb WLL

    AFTERMARKET

    $28.77 - $89.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks2 Inch X 27 Ft Super Edge Ratchet Strap W/ #210 Flat Hook- 3335 Lb WLL2 Inch X 27 Ft Super Edge Ratchet...
    PPR_299400
    SKU:
    PPR_299400
    Color:
    Orange
    Material Options:
    Polyester
    Length Options:
    360 Inch
    Rating:
    10000 LBS
    Width Options:
    2 Inch
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $28.77 - $89.99
    Qty in Cart: 0
    Price:
    $28.77 - $89.99
    Subtotal:
  • Adjustable Safety Vest

    Adjustable Safety Vest

    AFTERMARKET

    $20.80
    Choose Option(s) to see description.Adjustable Safety Vest- MediumMedium Adjustable Safety Vest* High Quality Safety Vest* Zipper Front Closure* With 3 Pockets* Elastic Inserts On Each Side For...
    PPR_299383
    SKU:
    PPR_299383
    Material Options:
    Polyester
    Size Options:
    3 XL
    Size Options:
    Large
    Color:
    Yellow
    Product Type:
    Air, Electrical, & Safety
    Size Options:
    2 XL
    Size Options:
    Med
    Size Options:
    XLarge
    Make:
    Universal Items
    $20.80
    Qty in Cart: 0
    Price:
    $20.80
    Subtotal:
  • Steel Heavy Duty Adjustable Load Bar - 85 to 116 Inch

    Steel Heavy Duty Adjustable Load Bar - 85 to 116 Inch

    AFTERMARKET

    $67.99 - $147.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksSteel Heavy Duty One Piece Adjustable Load Bar- 85 to 116 Inch85- 116 Inch Heavy Duty One Piece...
    PPR_299381
    SKU:
    PPR_299381
    Length Options:
    68 Inch
    Length Options:
    116 Inch
    Size Options:
    14 Gauge
    Shape Options:
    Square
    Color:
    Silver
    Diameter Options:
    1 1/2 Inch
    Material Options:
    Steel
    Product Type:
    Cargo Control
    Width Options:
    1 1/2 Inch
    Width Options:
    22 1/2 Inch
    Make:
    Universal Items
    Style Options:
    Heavy Duty
    Size Options:
    15 Gauge
    Finish Options:
    Zinc-Plated
    $67.99 - $147.99
    Qty in Cart: 0
    Price:
    $67.99 - $147.99
    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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