null

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
  • Metric Wheel Studs M22X1.5 X 3.5 Inch 2 GAL Pail 60 Piece

    Metric Wheel Studs M22X1.5 X 3.5 Inch 2 GAL Pail 60 Piece

    AUTOMANN USA

    $210.99
    Metric Wheel Stud 2 GAL Pail 60 PcsThis high-quality Metric Wheel Stud Set M22 x 1.5 x 3.5-inch comes in a 60-piece 2-gallon pail for convenience and bulk use. With serrated studs and 2.5 inches of...
    09-20200590
    SKU:
    09-20200590
    Product Type:
    Wheels
    Make:
    Universal Items
    Length Options:
    3 1/2 Inch
    $210.99
    Qty in Cart: 0
    Price:
    $210.99
    Subtotal:
  • 7 Inch Hub Odometer Mounting Bracket660012

    7 Inch Hub Odometer Mounting Bracket660012

    AFTERMARKET

    $46.18
    Replacement Hub Odometer Bracket* High Quality Hub Odometer* Dimensions:  - 7.00 Inch C To C  - 1.50 Inch Width  - 0.75 Inch Bolt Holes* Made In USA* Sold Individually* Warranty On Hub Odometers...
    09-20200288
    SKU:
    09-20200288
    Product Type:
    Wheels
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $46.18
    Qty in Cart: 0
    Price:
    $46.18
    Subtotal:
  • Spindle Nut Lock Ring And Washer Kit

    Spindle Nut Lock Ring And Washer Kit

    AUTOMANN USA

    $13.86
    Wheel End Lock Washer Kit 1229G4635, 1229F4634* High Quality Spindle Nut Lock Ring And Washer Kit* Kit Consists Of:   - (1) 4.578 Inch OD, 3.281 Inch ID Spindle Washer  - (1) 4.343 Inch OD, 3.281...
    09-20200223
    SKU:
    09-20200223
    Product Type:
    Wheels
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $13.86
    Qty in Cart: 0
    Price:
    $13.86
    Subtotal:
  • Unitized Spindle Nut 3.75 X 2-5/8 Inch-12 Thread 4494974. 449-4974

    Unitized Spindle Nut 3.75 X 2-5/8 Inch-12 Thread 4494974. 449-4974

    AFTERMARKET

    $61.99
    Replacement Unitized Drive Axle Spindle Nut* High Quality Unitized Spindle Nut* Dimensions:  - Thread- 2-5/8 Inch-12  - A.F.- 3.75 Inch  - Thickness- 1.00 Inch* Made In USA* Sold Individually*...
    09-20200233
    SKU:
    09-20200233
    Truck Class:
    Heavy Duty
    Product Type:
    Wheels
    Make:
    Universal Items
    $61.99
    Qty in Cart: 0
    Price:
    $61.99
    Subtotal:
  • Unitized Spindle Nut 3 X 1-3/4 Inch-12 Thread 448-4865

    Unitized Spindle Nut 3 X 1-3/4 Inch-12 Thread 448-4865

    AFTERMARKET

    $58.99
    Replacement Unitized Steer Axle Spindle Nut* High Quality Unitized Spindle Nut* Dimensions:  - Threads- 1-3/4 Inch-12  - A/F- 3.00 Inch  - Thickness- 0.97 Inch* Made In USA* Sold Individually*...
    09-20200232
    SKU:
    09-20200232
    Product Type:
    Wheels
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $58.99
    Qty in Cart: 0
    Price:
    $58.99
    Subtotal:
  • 3.74 Inch OD Bearing Cup JM207010

    3.74 Inch OD Bearing Cup JM207010

    AUTOMANN USA

    $45.41
    Single Cup Tapered Roller Bearing Cup* High Quality Bearing Cup* Dimensions:  - O.D.- 3.74 Inch  - Length 0.921 Inch* Sold Individually* Warranty On Bearing Cups Against Defects In Workmanship &...
    09-20200144
    SKU:
    09-20200144
    Truck Class:
    Heavy Duty
    Product Type:
    Trailer
    Diameter Options:
    3 1/2 Inch
    Shape Options:
    Round
    Make:
    Universal Items
    $45.41
    Qty in Cart: 0
    Price:
    $45.41
    Subtotal:
  • Heavy Duty Adjustable Folding Wheel Step - 500lb Capacity

    Heavy Duty Adjustable Folding Wheel Step - 500lb Capacity

    AFTERMARKET

    $104.99
    Heavy-Duty Wheel-Mounted Step - AdjustableGet safe, convenient access to your lifted truck or large vehicle with this heavy-duty folding wheel step. This universal wheel-mounted step installs...
    09-20200200
    SKU:
    09-20200200
    Product Type:
    Air, Electrical, & Safety
    Truck Class:
    Heavy Duty
    Rating:
    500 LBS
    Make:
    Universal Items
    $104.99
    Qty in Cart: 0
    Price:
    $104.99
    Subtotal:
  • 24.5 X 8.25 Inch Aluminum Stud Pilot Wheel

    24.5 X 8.25 Inch Aluminum Stud Pilot Wheel

    AFTERMARKET

    $651.99
    Aluminum Truck Wheel With Bright Mirror FinishLooking for a reliable aluminum stud pilot wheel? This 24.5 X 8.25 model comes with mirror-polished sides and a 10-bolt setup. The wheel has a 6.57-inch...
    09-20130001
    SKU:
    09-20130001
    Truck Class:
    Heavy Duty
    Product Type:
    Wheels
    Finish Options:
    Polished
    Material Options:
    Aluminum
    Make:
    Universal Items
    $651.99
    Qty in Cart: 0
    Price:
    $651.99
    Subtotal:
  • PSI Hub Cap Grease Fill 3262S45, 3262W1245, T3262S45 For Trailer Axle

    PSI Hub Cap Grease Fill 3262S45, 3262W1245, T3262S45 For Trailer Axle

    AFTERMARKET

    $83.99
    Replacement Stemco PSI Trailer Hub Cap* High Quality Hub Cap Grease Fill* Diecast Aluminum* Dimensions:  - 5.50 Inch C To C  - 2.619 Inch Height* (6) 0.343 Inch Bolt Holes* Made In USA* Sold...
    09-20200164
    SKU:
    09-20200164
    Truck Class:
    Heavy Duty
    Product Type:
    Wheels
    Material Options:
    Aluminum
    Make:
    Universal Items
    $83.99
    Qty in Cart: 0
    Price:
    $83.99
    Subtotal:
  • 9.25 X 7.5 X 5.5 Inch Standard Wheel Chock

    9.25 X 7.5 X 5.5 Inch Standard Wheel Chock

    AUTOMANN USA

    $27.18
    Truck Wheel Chocks* High Quality Wheel Chock* Dimensions:  - 9.25 Inch Length  - 7.50 Inch Width  - 5.50 Inch Height* Sold Individually* Warranty On Wheel Chocks Against Defects In Workmanship &...
    09-20070007
    SKU:
    09-20070007
    Product Type:
    Exterior
    Truck Class:
    Heavy Duty
    Height Options:
    5 1/2 Inch
    Length Options:
    9 1/4 Inch
    Width Options:
    7 1/2 Inch
    Make:
    Universal Items
    $27.18
    Qty in Cart: 0
    Price:
    $27.18
    Subtotal:
  • 2.44 Inch OD Wheel Bearing Cup

    2.44 Inch OD Wheel Bearing Cup

    AUTOMANN USA

    $3.94
    Replacement Wheel Bearing CupThis precision-engineered Wheel Bearing Cup ensures smooth wheel rotation and long-lasting performance.* High Quality Wheel Bearing Cup* Dimensions:  - O.D.- 2.44 Inch  -...
    09-20200163
    SKU:
    09-20200163
    Product Type:
    Wheels
    Truck Class:
    Heavy Duty
    Diameter Options:
    2 1/4 Inch
    Shape Options:
    Round
    Make:
    Universal Items
    $3.94
    Qty in Cart: 0
    Price:
    $3.94
    Subtotal:
  • Hub Odometer Window Ring Style Bracket

    Hub Odometer Window Ring Style Bracket

    AUTOMANN USA

    $17.34
    Bracket Mounts Over Trailer Hub Cap Window Ring* High Quality Hub Odometer Bracket* Mounts On Top Of Hub Cap Window Ring* Sold Individually* Warranty On Hub Odometer Brackets Against Defects In...
    09-2004007
    SKU:
    09-2004007
    Truck Class:
    Heavy Duty
    Product Type:
    Wheels
    Make:
    Universal Items
    $17.34
    Qty in Cart: 0
    Price:
    $17.34
    Subtotal:
  • 1.25 Inch Wheel Bearing Cone 15123, 031-029-02

    1.25 Inch Wheel Bearing Cone 15123, 031-029-02

    AUTOMANN USA

    $6.25
    Replacement Wheel Bearing Cone* High Quality Wheel Bearing Cone* Dimensions:  - 1.25 Inch I.D.  - 0.715 Inch Bearing Width* Sold Individually* Warranty On Wheel Bearing Cones Against Defects In...
    09-20200147
    SKU:
    09-20200147
    Truck Class:
    Heavy Duty
    Product Type:
    Wheels
    Diameter Options:
    1 1/4 Inch
    Shape Options:
    Round
    Make:
    Universal Items
    $6.25
    Qty in Cart: 0
    Price:
    $6.25
    Subtotal:
  • 5 To 13 Ft Extendable Fiberglass Wash Brush Handle

    5 To 13 Ft Extendable Fiberglass Wash Brush Handle

    AFTERMARKET

    $65.99
    Wash Brush Handle With Dual ExtensionNeed to clean tall vehicles? This extendable wash brush handle stretches from 5 feet to 13 feet (60" to 156"), making it perfect for washing trucks, RVs, and...
    09-17040010
    SKU:
    09-17040010
    Product Type:
    Polishing
    Material Options:
    Fiberglass
    Make:
    Universal Items
    $65.99
    Qty in Cart: 0
    Price:
    $65.99
    Subtotal:
  • 10 Stud Mount Drive Axle Wheel Hub Assembly

    10 Stud Mount Drive Axle Wheel Hub Assembly

    AFTERMARKET

    $557.99
    Drive Axle Wheel Hub Assembly - Bolt Circle 11 1/4 InchGet superior performance with this heavy-duty drive hub assembly, built tough for steel wheels. The cast body and dual-wheel design delivers...
    09-20200146
    SKU:
    09-20200146
    Product Type:
    Wheels
    Truck Class:
    Heavy Duty
    Height Options:
    10 Inch
    Make:
    Universal Items
    $557.99
    Qty in Cart: 0
    Price:
    $557.99
    Subtotal:
  • Medium Weight Oil Absorbent Pads 15 X 20 Inch

    Medium Weight Oil Absorbent Pads 15 X 20 Inch

    AFTERMARKET

    $135.99
    Medium Weight Absorbent PadsThese tough oil-only pads work like a magnet for spills - they grab oil but push water away. Each pad is 20 inches long and 15 Inches wide. They'll soak up to 22 gallons...
    09-17040006
    SKU:
    09-17040006
    Product Type:
    Polishing
    Length Options:
    15 Inch
    Width Options:
    20 Inch
    Make:
    Universal Items
    $135.99
    Qty in Cart: 0
    Price:
    $135.99
    Subtotal:
  • 1 Inch Chemical / Heat Vulcanization Tire Patch - 100 Pack

    1 Inch Chemical / Heat Vulcanization Tire Patch - 100 Pack

    AUTOMANN USA

    $6.35
    Tire Repair Plug Patch - Tube or Tubeless* High Quality Tire Patch Tube* 1.00 Inch* Chemical Or Heat Vulcanization* 100 Pieces* Sold As Pack* Warranty On Tire Patch Tubes Against Defects In...
    09-20100008
    SKU:
    09-20100008
    Product Type:
    Exterior
    Truck Class:
    Heavy Duty
    Width Options:
    1 Inch
    Make:
    Universal Items
    $6.35
    Qty in Cart: 0
    Price:
    $6.35
    Subtotal:
  • 9.625 X 7 X 5.625 Inch Orange Rubber Wheel Chock

    9.625 X 7 X 5.625 Inch Orange Rubber Wheel Chock

    AFTERMARKET

    $51.99
    Heavy Duty Truck Wheel Chocks* High Quality Wheel Chock* Rubber* Dimensions:  - 9.625 Inch Length  - 7.75 Inch Width  - 5.625 Inch Height* Orange* Made In USA* Sold Individually* Warranty On Wheel...
    09-20070006
    SKU:
    09-20070006
    Product Type:
    Exterior
    Truck Class:
    Heavy Duty
    Height Options:
    5 1/2 Inch
    Width Options:
    7 3/4 Inch
    Length Options:
    9 1/2 Inch
    Color:
    Orange
    Material Options:
    Rubber
    Make:
    Universal Items
    $51.99
    Qty in Cart: 0
    Price:
    $51.99
    Subtotal:
  • Tire Valve Cores- 100 Pack

    Tire Valve Cores- 100 Pack

    AUTOMANN USA

    $28.44
    100 pcs Valve Stem Core Part Replacement* High Quality Valve Core* 0.760 Inch Length* Black* Sold As Pack* Warranty On Valve Cores Against Defects In Workmanship & Material From Date Of Purchase***...
    09-20100003
    SKU:
    09-20100003
    Truck Class:
    Heavy Duty
    Product Type:
    Exterior
    Color:
    Black
    Length Options:
    3/4 Inch
    Make:
    Universal Items
    $28.44
    Qty in Cart: 0
    Price:
    $28.44
    Subtotal:
  • 4 Inch LED Spot Work Lamp, U Bracket Mount

    4 Inch LED Spot Work Lamp, U Bracket Mount

    AUTOMANN USA

    $35.85
    1755 Lumens Spot Work Lamp* High Quality Work Lamp * Polycarbonate* 4 Inch* 9 Diodes * 1.5W OSRAM LEDs* 1755 Raw Lumens* 10-30 VDC* Diecast Aluminum Housing* Spot Beam* DT Type Plug* Mount-...
    09-16090460
    SKU:
    09-16090460
    Product Type:
    Lighting
    Material Options:
    Plastic/Poly
    Length Options:
    4 Inch
    Make:
    Universal Items
    $35.85
    Qty in Cart: 0
    Price:
    $35.85
    Subtotal:
  • Total: items /

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.


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