null
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
  • 4.5 Inch Square 36 Diode Work light - Flood Beam - 21,600 Lumens

    4.5 Inch Square 36 Diode Work light - Flood Beam - 21,600 Lumens

    TRUX ACCESSORIES

    $188.99
    Commercial 4.5 Inch LED Work Light - 90ft Wide Flood Beam PatternThis powerful 4.5-inch LED work light blasts 23,000 lumens across a 90-foot-wide area. Built tough with aluminum housing and a premium...
    09-16110043
    SKU:
    09-16110043
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    Style Options:
    Aluminum Housing
    Lumens:
    5000+ Lumens
    Color:
    White
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    $188.99
    Qty in Cart: 0
    Price:
    $188.99
    Subtotal:
  • 3/4 Inch Round Stainless Steel Bezel

    3/4 Inch Round Stainless Steel Bezel

    ROADWORKS

    $5.39
    3/4 Inch Round SS Bezel* High Quality Bezel* Light Bezel* Round Button* Stainless Steel* 3/4 Inch Diameter* Made In USA* Warranty On Bezels Against Defects In Workmanship & Material From Date Of...
    09-1605166
    SKU:
    09-1605166
    Diameter Options:
    3/4 Inch
    Shape Options:
    Round
    Product Type:
    Lighting
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Location:
    Made In USA
    $5.39
    Qty in Cart: 0
    Price:
    $5.39
    Subtotal:
  • 6.5 Inch Oval Pearl LED Light - Red LED / Red Lens

    6.5 Inch Oval Pearl LED Light - Red LED / Red Lens

    GRAND GENERAL

    $25.15
    Oval Stop/Turn/Tail Pearl LED Light* High Quality Light* Oval Pearl LED Light* 3 Prong Pigtail* 3 Functions  - Stop  - Turn  - Tail* Polycarbonate Lens* 6-1/2 Inch Length* 2-5/16 Inch Width* 1-1/2...
    09-1601060324
    SKU:
    09-1601060324
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Product Type:
    Lighting
    Make:
    Universal Items
    Height Options:
    1 1/2 Inch
    Style Options:
    3 Prong
    Length Options:
    6 1/2 Inch
    Color:
    Red
    Width Options:
    2 1/4 Inch
    Ready To Ship:
    Yes
    $25.15
    Qty in Cart: 0
    Price:
    $25.15
    Subtotal:
  • Limited Quantity Available
    2 Inch Round Low Profile Pearl Marker Light Red LED / Clear Lens

    2 Inch Round Low Profile Pearl Marker Light Red LED / Clear Lens

    GRAND GENERAL

    $11.15
    7 Diode Red Round Low Profile Pearl Marker Light* High Quality Marker Light* Pearl LED Marker Light* Reverse Polarity Protected* Sealed Lens, Reflector, & Housing* 2-Prong Pigtail* Polycarbonate* 2...
    09-1601060316
    SKU:
    09-1601060316
    Diameter Options:
    2 Inch
    Truck Class:
    Heavy Duty
    Product Type:
    Lighting
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Style Options:
    2 Prong
    Height Options:
    1/2 Inch
    Shape Options:
    Round
    Color:
    Red
    $11.15
    Qty in Cart: 0
    Price:
    $11.15
    Subtotal:
  • Dual Function Guide 682-C Headlight Turn Signal - Amber LED Amber Lens

    Dual Function Guide 682-C Headlight Turn Signal - Amber LED Amber Lens

    UNITED PACIFIC

    $18.28
    Amber Dual Function 5 Diode Guide 682-C Turn Signal LightThis classic 682-C headlight signal works as both a daytime running light and turn signal, using bright amber LEDs with an amber lens. Fits...
    09-160102103
    SKU:
    09-160102103
    Color:
    Amber
    Style Options:
    LED
    Product Type:
    Lighting
    Make:
    Universal Items
    $18.28
    Qty in Cart: 0
    Price:
    $18.28
    Subtotal:
  • 3 3/4 X 1 5/16 Inch Chrome Window Crank With Red Jewel And Spin Slot

    3 3/4 X 1 5/16 Inch Chrome Window Crank With Red Jewel And Spin Slot

    GRAND GENERAL

    $13.66
    3 3/4 X 1 5/16 Inch Chrome Window Crank With Red Jewel And Spin Slot* High Quality Window Crank* Window Crank* With Red Flat Top Jewel* Spin Slot* Chrome-Plated Die Cast Handle* Plastic Flat Top...
    09-1530087
    SKU:
    09-1530087
    Product Type:
    Interior
    Finish Options:
    Chrome-Plated
    Length Options:
    3 3/4 Inch
    Diameter Options:
    1 5/16 Inch
    Make:
    Universal Items
    $13.66
    Qty in Cart: 0
    Price:
    $13.66
    Subtotal:
  • Zinc Plated Throttle Set

    Zinc Plated Throttle Set

    GRAND GENERAL

    $4.55
    Zinc Plated Throttle Set* High Quality Throttle Set* Throttle Set* Ideal Tool To Warm Up The Engine In Cold Weather* Zinc (Cardium) Plated* Sold Individually* Warranty On Throttle Sets Against...
    09-151100012
    SKU:
    09-151100012
    Length Options:
    15 Inch
    Product Type:
    Interior
    Make:
    Universal Items
    $4.55
    Qty in Cart: 0
    Price:
    $4.55
    Subtotal:
  • 5 Inch Heavy Duty Chrome Exhaust Brackets 7/16in U-Bolt Style

    5 Inch Heavy Duty Chrome Exhaust Brackets 7/16in U-Bolt Style

    GRAND GENERAL

    $14.27
    5 Inch Chrome Exhaust Mounting Brackets | Heavy-Duty U-Bolt ClampsThese professional-grade chrome exhaust brackets securely mount 5-inch exhaust pipes with durable 7/16-inch U-bolts. Engineered for...
    09-080000070
    SKU:
    09-080000070
    Product Type:
    Exhaust
    Diameter Options:
    5 Inch
    Finish Options:
    Chrome-Plated
    Material Options:
    Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $14.27
    Qty in Cart: 0
    Price:
    $14.27
    Subtotal:
  • On Sale
    Stainless Steel Triangular Fender Mounting Arm With Bolt Kit And Welded End Cap For 24 And 26 Inch Wide Fenders

    Stainless Steel Triangular Fender Mounting Arm With Bolt Kit And Welded End Cap For 24 And 26 Inch Wide Fenders

    TRUX ACCESSORIES

    Now: $62.47
    Was: $70.99
    Stainless Steel Triangular Fender Mounting Arm With Bolt Kit And Welded End Cap* High Quality Fender Mounting Arm* Includes:  - (1) 14 Gauge Triangle Mount  - (1) Bolt Kit  - Welded End Cap  *...
    09-111000009
    SKU:
    09-111000009
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Length Options:
    31 Inch
    Finish Options:
    Smooth
    Size Options:
    14 Gauge
    Make:
    Universal Items
    Height Options:
    2 1/2 Inch
    Position:
    Kit Full
    Width Options:
    4 1/2 Inch
    Now: $62.47
    Was: $70.99
    Qty in Cart: 0
    Price:
    Now: $62.47
    Was: $70.99
    Subtotal:
  • Screw-In Trailer Air Valve Control Knobs With Stainless Steel Script Plate

    Screw-In Trailer Air Valve Control Knobs With Stainless Steel Script Plate

    GRAND GENERAL

    $17.88
    Screw-In Trailer Air Valve Control Knobs With Stainless Steel Script Plate* High Quality Control Knob* Air Valve Control Knobs* Trailer Script Plate* Stainless Steel* 1-15/16 Inch Diameter* 1-5/8...
    09-15010323
    SKU:
    09-15010323
    Product Type:
    Interior
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Diameter Options:
    2 Inch
    Height Options:
    1 5/8 Inch
    Style Options:
    Thread On
    $17.88
    Qty in Cart: 0
    Price:
    $17.88
    Subtotal:
  • Rubber Mount For Protect Grille Guards

    Rubber Mount For Protect Grille Guards

    LUVERNE

    $19.42
    Rubber Mount For Protect Grille Guards* High Quality Mount* Rubber Extrusions Are Securely Bolted To The Uprights For Extra Protection* Rubber* Sold Individually* Warranty On Mounts Against Defects...
    09-013002
    SKU:
    09-013002
    Product Type:
    Hood Parts & Acc.
    Material Options:
    Rubber
    Make:
    Universal Items
    $19.42
    Qty in Cart: 0
    Price:
    $19.42
    Subtotal:
  • Shoe Brake Hardware Kit 142.453682 For Dana/Spicer Old Style Fast rise Camshafts

    Shoe Brake Hardware Kit 142.453682 For Dana/Spicer Old Style Fast rise Camshafts

    AFTERMARKET

    $71.99
    Cast To Fabricated Brake Conversion Shoe Kit* High Quality Brake Kit* Cast To Fabricated Brake Conversion* Convert To Shoes With Open Roller End & Closed Anchor End* Kit Includes:  - 1.5 Inch...
    09-05170254
    SKU:
    09-05170254
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Position:
    Kit Full
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • 1.5 Inch NPT Aluminum Full Round Weld-In Tank Flange - Flat

    1.5 Inch NPT Aluminum Full Round Weld-In Tank Flange - Flat

    AFTERMARKET

    $18.72
    1.5 Inch NPT Weld-In Flange Tank FittingThis aluminum weld flange features a 1.5-inch female NPT thread for secure tank connections. Designed for easy welding into fuel tanks, hydraulic systems, and...
    09-060100007
    SKU:
    09-060100007
    Material Options:
    Aluminum
    Product Type:
    Fuel Tanks
    Make:
    Universal Items
    Shape Options:
    Round
    Diameter Options:
    1 1/2 Inch
    $18.72
    Qty in Cart: 0
    Price:
    $18.72
    Subtotal:
  • 0.625 X .875 Inch Shoulder Bolt For Luverne And Protech Grille Guards

    0.625 X .875 Inch Shoulder Bolt For Luverne And Protech Grille Guards

    LUVERNE

    $23.92
    .625 X .875 Inch Shoulder Bolt For Luverne And Protech Grille Guards* High Quality Shoulder Bolt* Used For Grille Guards* .625 Inch X .875 Inch* Sold Individually* Warranty On Shoulder Bolts Against...
    09-0109015
    SKU:
    09-0109015
    Product Type:
    Hood Parts & Acc.
    Make:
    Universal Items
    $23.92
    Qty in Cart: 0
    Price:
    $23.92
    Subtotal:
  • One Piece Rear Light Bar With 8 Rectangular Holes,5 Rnd 2 Inch & S21 End Holes W/ Removable Back

    One Piece Rear Light Bar With 8 Rectangular Holes,5 Rnd 2 Inch & S21 End Holes W/ Removable Back

    ROADWORKS

    $740.99
    One Piece Rear Light Bar With 8 Rectangular Holes,5 Rnd 2 Inch & S21 End Holes W/ Removable Back* High Quality Light Bar* One Piece Rear Light Bar* Includes:  - (8) Rectangular Light Holes  - (5)...
    09-011100147
    SKU:
    09-011100147
    Length Options:
    3 Inch
    Height Options:
    6 Inch
    Product Type:
    Bumpers
    Position:
    Center
    Width Options:
    96 Inch
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Make:
    Universal Items
    Location:
    Made In USA
    $740.99
    Qty in Cart: 0
    Price:
    $740.99
    Subtotal:
  • 12 Inch Stainless Rear Panel With LED Lights And License Plate Mount

    12 Inch Stainless Rear Panel With LED Lights And License Plate Mount

    ROADWORKS

    $366.99
    12 Inch Stainless Rear Panel With Backup & Round Light KitThis 304 stainless steel rear panel features LED lighting with two 4-inch backup lights, seven 2-inch round lights with bezels, and a license...
    09-0111164
    SKU:
    09-0111164
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Width Options:
    40 Inch
    Style Options:
    Angled
    Position:
    Center
    Height Options:
    18 Inch
    Product Type:
    Bumpers
    Make:
    Universal Items
    Location:
    Made In USA
    $366.99
    Qty in Cart: 0
    Price:
    $366.99
    Subtotal:
  • Gold Color License Frame Fastener

    Gold Color License Frame Fastener

    GRAND GENERAL

    $3.85
    Gold Color License Frame Fastener* High Quality License Frame Fastener* (4) Acorn Fasteners* (4) Washers* (4) Nuts* Brass Plated Steel* Gold* 0.441 Inch Hex* 0.645 Inch Length* Sold As Set* Warranty...
    09-01070059
    SKU:
    09-01070059
    Product Type:
    Bumpers
    Material Options:
    Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $3.85
    Qty in Cart: 0
    Price:
    $3.85
    Subtotal:
  • On Sale
    Limited Quantity Available
    Black Recessed License Plate Holder Adapter

    Black Recessed License Plate Holder Adapter

    ROADWORKS

    Now: $57.59
    Was: $95.99
    Recessed License Plate Mount With Black Powder Coat FinishThis license plate mount features a recessed design and durable black powder coating. It's made from a single solid piece with a removable...
    09-01070060
    SKU:
    09-01070060
    Material Options:
    Stainless Steel
    Product Type:
    Bumpers
    Finish Options:
    Black Powder Coat
    Make:
    Universal Items
    Location:
    Made In USA
    Ready To Ship:
    Yes
    Now: $57.59
    Was: $95.99
    Qty in Cart: 0
    Price:
    Now: $57.59
    Was: $95.99
    Subtotal:
  • Chrome Plastic Dash Panel Molding Trim For Peterbilt

    Chrome Plastic Dash Panel Molding Trim For Peterbilt

    GRAND GENERAL

    $49.58
    Peterbilt Chrome Plastic Dash Panel Molding Trim* High Quality Dash Panel Molding Trim* Chrome-Plated Plastic* Fits Peterbilt 2006 - Later* Horizontal* Sold Individually* Warranty On Molding Trims...
    01-150100255
    SKU:
    01-150100255
    Product Type:
    Interior
    Material Options:
    Plastic/Poly
    Finish Options:
    Chrome-Plated
    Make:
    Peterbilt
    Style Options:
    Horizontal
    $49.58
    Qty in Cart: 0
    Price:
    $49.58
    Subtotal:
  • Stainless Steel Dump Valve Switch Plate For Peterbilt 359, 375, 377, 378, 379

    Stainless Steel Dump Valve Switch Plate For Peterbilt 359, 375, 377, 378, 379

    GRAND GENERAL

    $3.38
    Peterbilt Stainless Steel Dump Valve Switch Plate* High Quality Switch Plate* Dump Valve Engraved Switch Plate* Stainless Steel* Sold Individually* Warranty On Switch Plates Against Defects In...
    01-150100257
    SKU:
    01-150100257
    Material Options:
    Stainless Steel
    Product Type:
    Interior
    Make:
    Peterbilt
    $3.38
    Qty in Cart: 0
    Price:
    $3.38
    Subtotal:
  • Total: items /

Adding your products to cart

View Cart Continue Shopping

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.

Steals & Deals Sign Up

Prefer to text? Receive exclusive deals by SMS*

Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!