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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
  • On Sale
    Limited Quantity Available
    Yellow Poly Mud Flaps

    Yellow Poly Mud Flaps

    GRAND GENERAL

    Now: $6.79
    Was: $28.14
    Replacement Poly Mud Flaps- YellowEnhance your vehicle's protection with these Yellow Poly Mud Flaps, built for strength, flexibility, and long-lasting use. Engineered to resist damage from road...
    09-05070220
    SKU:
    09-05070220
    Material Options:
    Plastic/Poly
    Color:
    Yellow
    Make:
    Universal Items
    Product Type:
    Mud Flaps
    Ready To Ship:
    Yes
    Now: $6.79
    Was: $28.14
    Qty in Cart: 0
    Price:
    Now: $6.79
    Was: $28.14
    Subtotal:
  • Turnpike Truck Trim SS Spring Loaded Mud Flap Hanger Light Bars, 2.5 Inch Bolt Spacing With Grommets & 4 Inch Rnd Lights - Red LED / Red Lens

    Turnpike Truck Trim SS Spring Loaded Mud Flap Hanger Light Bars, 2.5 Inch Bolt Spacing With Grommets & 4 Inch Rnd Lights - Red LED / Red Lens

    TURNPIKE TRUCK TRIM

    $234.99
    Stainless Steel Spring-Loaded Light Bars with Six 4 Inch LED Lights* High Quality Spring Loaded Rear Light Bar* 430 Stainless Steel* (6) 4 Inch Lights* Red LED/ Red Lens* With Grommets* 2.5 Inch C To...
    09-0112031
    SKU:
    09-0112031
    Light Options:
    With Lights
    Length Options:
    8 Inch
    Width Options:
    35 Inch
    Height Options:
    10 Inch
    Color:
    Red
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Mud Flaps
    $234.99
    Qty in Cart: 0
    Price:
    $234.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Turnpike Truck Trim 24MM X 15/16 Inch Chrome Plastic Nut Covers

    Turnpike Truck Trim 24MM X 15/16 Inch Chrome Plastic Nut Covers

    TURNPIKE TRUCK TRIM

    Now: $0.75
    Was: $3.19
    24MM X 15/16 Inch Chrome Plastic Nut Covers* High Quality Nut Cover* Chrome-Plated Plastic* 24 MM x 15/16 Inch * Sold Individually* Warranty On Nut Covers Against Defects In Workmanship & Material...
    09-05060082
    SKU:
    09-05060082
    Material Options:
    Plastic/Poly
    Length Options:
    1/4 Inch
    Height Options:
    1 Inch
    Width Options:
    1 Inch
    Finish Options:
    Chrome-Plated
    Product Type:
    Wheels
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $0.75
    Was: $3.19
    Qty in Cart: 0
    Price:
    Now: $0.75
    Was: $3.19
    Subtotal:
  • Turnpike Truck Trim 94 Inch SS Reverse T-Bar W/ Red / Red 8 Rnd 4 Inch Lights W/ Brackets

    Turnpike Truck Trim 94 Inch SS Reverse T-Bar W/ Red / Red 8 Rnd 4 Inch Lights W/ Brackets

    TURNPIKE TRUCK TRIM

    $1,019.99
    Universal Reverse T-Bar With 12 Round 4 Inch Red LED Lights With Red Lens* High Quality Reverse T Bar* 304 Stainless Steel* Dimensions:  - 18 Inch Drop  - 94 Inch Width* (8) 4 Inch Round Light * Red...
    09-0110078
    SKU:
    09-0110078
    Length Options:
    3 Inch
    Width Options:
    94 Inch
    Product Type:
    Bumpers
    Color:
    Red
    Light Options:
    With Lights
    Height Options:
    18 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $1,019.99
    Qty in Cart: 0
    Price:
    $1,019.99
    Subtotal:
  • Turnpike Truck Trim 94 Inch SS Reverse T-Bar With 12 Rnd 4 Inch Light Holes W/ Z Bracket

    Turnpike Truck Trim 94 Inch SS Reverse T-Bar With 12 Rnd 4 Inch Light Holes W/ Z Bracket

    TURNPIKE TRUCK TRIM

    $917.99
    Universal Reverse T-Bar With 12 Round 4 Inch Light Cutouts* High Quality Reverse T Bar* 304 Stainless Steel* Dimensions:  - 18 Inch Drop  - 94 Inch Width * (12) 4 Inch Round Light Holes * With Z...
    09-0110074
    SKU:
    09-0110074
    Light Options:
    Without Lights
    Width Options:
    94 Inch
    Height Options:
    18 Inch
    Length Options:
    3 Inch
    Material Options:
    Stainless Steel
    Product Type:
    Bumpers
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $917.99
    Qty in Cart: 0
    Price:
    $917.99
    Subtotal:
  • Turnpike Truck Trim 94 Inch SS T-Bar W/ Red / Red 8 Rnd 4 Inch Lights W/ Brackets

    Turnpike Truck Trim 94 Inch SS T-Bar W/ Red / Red 8 Rnd 4 Inch Lights W/ Brackets

    TURNPIKE TRUCK TRIM

    $1,019.99
    Universal Reverse T-Bar With 8 Round 4 Inch Red LED Lights With Red Lens* High Quality T Bar* 304 Stainless Steel* Dimensions:  - 18 Inch Drop  - 94 Inch Width* (8) 4 Inch Round Light * Red LED/ Red...
    09-0110079
    SKU:
    09-0110079
    Light Options:
    With Lights
    Length Options:
    3 Inch
    Height Options:
    18 Inch
    Color:
    Red
    Width Options:
    94 Inch
    Product Type:
    Bumpers
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $1,019.99
    Qty in Cart: 0
    Price:
    $1,019.99
    Subtotal:
  • Stainless Steel Rear Lightbar

    Stainless Steel Rear Lightbar

    TWELVE GAUGE

    $764.99
    Replacement Rear Stainless Lightbar* High Quality Rear Light Bar* Made Of Stainless Steel* 20 Inch Width* (5) 4 Inch Round Light Holes* Sold Individually* Warranty On Rear Light Bars Against Defects...
    09-01100155
    SKU:
    09-01100155
    Product Type:
    Bumpers
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Width Options:
    20 Inch
    Make:
    Universal Items
    $764.99
    Qty in Cart: 0
    Price:
    $764.99
    Subtotal:
  • Turnpike Truck Trim 94 Inch SS T-Bar W/ 8 Rnd 4 Inch Light Holes W/ Brackets

    Turnpike Truck Trim 94 Inch SS T-Bar W/ 8 Rnd 4 Inch Light Holes W/ Brackets

    TURNPIKE TRUCK TRIM

    $917.99
    Universal T-Bar With 8 Round 4 Inch Light Cutouts* High Quality T Bar* 304 Stainless Steel* Dimensions:  - 18 Inch Drop  - 94 Inch Width* (8) 4 Inch Round Light Holes * With Z Bracket* (2) Support...
    09-0110077
    SKU:
    09-0110077
    Height Options:
    18 Inch
    Product Type:
    Bumpers
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Length Options:
    3 Inch
    Width Options:
    94 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $917.99
    Qty in Cart: 0
    Price:
    $917.99
    Subtotal:
  • Turnpike Truck Trim 94 Inch SS T-Bar With 8 Rnd 4 Inch Light Holes W/ Brackets

    Turnpike Truck Trim 94 Inch SS T-Bar With 8 Rnd 4 Inch Light Holes W/ Brackets

    TURNPIKE TRUCK TRIM

    $917.99
    Universal T-Bar With 8 Round 4 Inch Light Cutouts* High Quality T Bar* 304 Stainless Steel* Dimensions:  - 18 Inch Drop  - 94 Inch Width* (8) 4 Inch Round Light Holes * With Z Bracket* (2) Support...
    09-0110075
    SKU:
    09-0110075
    Height Options:
    18 Inch
    Product Type:
    Bumpers
    Material Options:
    Stainless Steel
    Length Options:
    3 Inch
    Light Options:
    Without Lights
    Width Options:
    94 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $917.99
    Qty in Cart: 0
    Price:
    $917.99
    Subtotal:
  • 94 Inch Stainless Steel Rear Light Bar With Six 4 Inch Round Light Holes

    94 Inch Stainless Steel Rear Light Bar With Six 4 Inch Round Light Holes

    GRAND GENERAL

    $547.99
    Stainless Steel One Piece Rear Light Bar* High Quality Light Bar* Stainless Steel* (6) 4 Inch Round Light Holes* Sold Individually* Warranty On Light Bars Against Defects In Workmanship & Material...
    09-0110080
    SKU:
    09-0110080
    Product Type:
    Bumpers
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Make:
    Universal Items
    $547.99
    Qty in Cart: 0
    Price:
    $547.99
    Subtotal:
  • Turnpike Truck Trim 94 Inch SS Reverse T-Bar With 8 Rnd 4 Inch Light Holes W/ Bracket

    Turnpike Truck Trim 94 Inch SS Reverse T-Bar With 8 Rnd 4 Inch Light Holes W/ Bracket

    TURNPIKE TRUCK TRIM

    $917.99
    Universal Reverse T-Bar With 8 Round 4 Inch Light Cutouts* High Quality Reverse T Bar* 304 Stainless Steel* Dimensions:  - 18 Inch Drop  - 94 Inch Width* (8) 4 Inch Round Light Holes * With Z...
    09-0110073
    SKU:
    09-0110073
    Height Options:
    18 Inch
    Product Type:
    Bumpers
    Length Options:
    3 Inch
    Width Options:
    94 Inch
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $917.99
    Qty in Cart: 0
    Price:
    $917.99
    Subtotal:
  • Turnpike Truck Trim 94 Inch SS Reverse T-Bar With 8 Rnd 4 Inch Light Holes W/ Z Bracket

    Turnpike Truck Trim 94 Inch SS Reverse T-Bar With 8 Rnd 4 Inch Light Holes W/ Z Bracket

    TURNPIKE TRUCK TRIM

    $917.99
    Universal Reverse T-Bar With 8 Round 4 Inch Light CutoutsEnhance your truck's lighting with this rugged stainless steel Reverse T-bar. It features eight 4-inch light cutouts with reinforced brackets...
    09-0110071
    SKU:
    09-0110071
    Material Options:
    Stainless Steel
    Product Type:
    Bumpers
    Height Options:
    18 Inch
    Length Options:
    3 Inch
    Light Options:
    Without Lights
    Width Options:
    94 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $917.99
    Qty in Cart: 0
    Price:
    $917.99
    Subtotal:
  • Turnpike Truck Trim 94 Inch SS T-Bar With 12 Rnd 4 Inch Light Holes W/ Brackets

    Turnpike Truck Trim 94 Inch SS T-Bar With 12 Rnd 4 Inch Light Holes W/ Brackets

    TURNPIKE TRUCK TRIM

    $917.99
    Universal T-Bar With 12 Round 4 Inch Light Cutouts* High Quality T Bar* 304 Stainless Steel* Dimensions:  - 18 Inch Drop  - 94 Inch Width* (12) 4 Inch Round Light Holes * With Z Bracket* (2) Support...
    09-0110076
    SKU:
    09-0110076
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Height Options:
    18 Inch
    Length Options:
    3 Inch
    Product Type:
    Bumpers
    Width Options:
    94 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $917.99
    Qty in Cart: 0
    Price:
    $917.99
    Subtotal:
  • Stainless Steel License Plate Frame Plain 2 Holes

    Stainless Steel License Plate Frame Plain 2 Holes

    GRAND GENERAL

    $24.23
    Plain 2-Hole License Plate FrameThis stainless steel license plate frame features a plain design with 9/16" thickness and two mounting holes for secure installation.* High Quality License Plate...
    09-01070055
    SKU:
    09-01070055
    Product Type:
    Bumpers
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $24.23
    Qty in Cart: 0
    Price:
    $24.23
    Subtotal:
  • Turnpike Truck Trim 94 Inch Stainless Steel Reverse T-Bar With 12 Rnd 4 Inch Light Holes W/ Bracket

    Turnpike Truck Trim 94 Inch Stainless Steel Reverse T-Bar With 12 Rnd 4 Inch Light Holes W/ Bracket

    TURNPIKE TRUCK TRIM

    $917.99
    94 Inch Stainless Steel Reverse T-Bar With 12 Rnd 4 Inch Light Holes W/ Z BracketEnhance both function and appearance with this Turnpike Truck Trim 94 Inch Stainless Steel Reverse T-Bar. Built from...
    09-0110072
    SKU:
    09-0110072
    Product Type:
    Bumpers
    Ready To Ship:
    Yes
    Material Options:
    Stainless Steel
    Length Options:
    3 Inch
    Height Options:
    18 Inch
    Light Options:
    Without Lights
    Width Options:
    94 Inch
    Make:
    Universal Items
    $917.99
    Qty in Cart: 0
    Price:
    $917.99
    Subtotal:
  • Turnpike Truck Trim Sleeper Dome Light Panel With Two Watermelon Light Holes And One Switch Hole For Peterbilt

    Turnpike Truck Trim Sleeper Dome Light Panel With Two Watermelon Light Holes And One Switch Hole For Peterbilt

    TURNPIKE TRUCK TRIM

    $83.99
    Replacement Peterbilt Sleeper Dome Light Panel With Two Watermelon Light Holes And One Switch Hole* High Quality Light Panel* Has Cutouts For:  - (2) Watermelon Light Holes  - (1) Switch Hole* For...
    01-155000007
    SKU:
    01-155000007
    Product Type:
    Interior
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $83.99
    Qty in Cart: 0
    Price:
    $83.99
    Subtotal:
  • Stainless Cover Engraved Ashtray For Peterbilt 379 2000-2004

    Stainless Cover Engraved Ashtray For Peterbilt 379 2000-2004

    GRAND GENERAL

    $20.71
    Replacement Peterbilt 379 Stainless Cover Engraved Ashtray* High Quality Ash Tray Cover* Stainless Steel* Engraved Script * Sold Individually* Warranty On Ash Tray Covers Against Defects In...
    01-1504057
    SKU:
    01-1504057
    Material Options:
    Stainless Steel
    Product Type:
    Interior
    Make:
    Peterbilt
    $20.71
    Qty in Cart: 0
    Price:
    $20.71
    Subtotal:
  • Chrome Plastic Dash Instrument Warning Light Panel Bezel For Peterbilt 379 2000 - 2004

    Chrome Plastic Dash Instrument Warning Light Panel Bezel For Peterbilt 379 2000 - 2004

    GRAND GENERAL

    $9.34
    Peterbilt 379 Chrome Panel Bezel Cover For Dash Instrument Warning LightUpgrade your Peterbilt 379's dashboard with this chrome-plated plastic instrument panel bezel. This direct-fit replacement...
    01-15010079
    SKU:
    01-15010079
    Product Type:
    Interior
    Finish Options:
    Chrome-Plated
    Material Options:
    Plastic/Poly
    Make:
    Peterbilt
    $9.34
    Qty in Cart: 0
    Price:
    $9.34
    Subtotal:
  • Chrome Plastic Dash Instrument Warning Light Panel Bezel For Peterbilt 379 1995 - 2000

    Chrome Plastic Dash Instrument Warning Light Panel Bezel For Peterbilt 379 1995 - 2000

    GRAND GENERAL

    $9.14
    Peterbilt 379 Instrument Dash Panel Cover / BezelUpdate your Peterbilt 379's dash with this triple-plated chrome warning light bezel. Built tough for 1995-2000 379 models, this bezel features durable...
    01-1501207
    SKU:
    01-1501207
    Product Type:
    Interior
    Material Options:
    Plastic/Poly
    Finish Options:
    Chrome-Plated
    Make:
    Peterbilt
    $9.14
    Qty in Cart: 0
    Price:
    $9.14
    Subtotal:
  • 47.5 X 6 Inch Louvered Hood Panel For Peterbilt 379 1987-2007

    47.5 X 6 Inch Louvered Hood Panel For Peterbilt 379 1987-2007

    ROADWORKS

    $130.99
    Replacement Peterbilt Louvered Hood Panel* High Quality Hood Panel * Louvered * Logo Not Included* Dimensions:  - 47.5 Inch Length  - 6.0 Inch Height* Sold As Pair* Warranty On Hood Panels Against...
    01-12335
    SKU:
    01-12335
    Length Options:
    47 1/4 Inch
    Width Options:
    6 Inch
    Product Type:
    Hood Parts & Acc.
    Make:
    Peterbilt
    $130.99
    Qty in Cart: 0
    Price:
    $130.99
    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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