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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
  • 18 Inch Traveler Matte Black Steering Wheel W/ Leather Rim, Black Aluminum 4- Spoke, Matte Black Pad & Matte Black Horn Button

    18 Inch Traveler Matte Black Steering Wheel W/ Leather Rim, Black Aluminum 4- Spoke, Matte Black Pad & Matte Black Horn Button

    STEERING CREATIONS

    $643.50
    18 Inch Traveler Matte Black Steering Wheel W/ Leather Rim, Black Aluminum 4- Spoke, Matching Pad & Horn ButtonTake your truck's interior to the next level with the 18 Inch Traveler Matte Black...
    09-15000263
    SKU:
    09-15000263
    Material Options:
    Leather
    Color:
    Black
    Diameter Options:
    18 Inch
    Product Type:
    Interior
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $643.50
    Qty in Cart: 0
    Price:
    $643.50
    Subtotal:
  • 18 Inch Traveler Chrome Steering Wheel W/ Leather Rim, Aluminum 4- Spoke, Matte Black Pad & Matte Black Horn Button

    18 Inch Traveler Chrome Steering Wheel W/ Leather Rim, Aluminum 4- Spoke, Matte Black Pad & Matte Black Horn Button

    STEERING CREATIONS

    $656.99
    18 Inch Steering Wheel W/ Leather Rim, 4- Spoke, Black Pad & Black Horn ButtonDrive in style with the 18 Inch Traveler Chrome Steering Wheel, boasting a premium leather rim and chrome inserts for...
    09-15000258
    SKU:
    09-15000258
    Material Options:
    Leather
    Color:
    Black
    Diameter Options:
    18 Inch
    Product Type:
    Interior
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $656.99
    Qty in Cart: 0
    Price:
    $656.99
    Subtotal:
  • 16.50 X 7.00 Inch 10 Hole Brake Drum Replaces 3647, 3757, 1670176C1, 2605073C1, 55353F, 56353B, 56353F, 66353, 66353B, 66353F

    16.50 X 7.00 Inch 10 Hole Brake Drum Replaces 3647, 3757, 1670176C1, 2605073C1, 55353F, 56353B, 56353F, 66353, 66353B, 66353F

    AUTOMANN USA

    $341.99
    16.50 X 7.00 Inch 10 Hole Brake DrumUpgrade your truck's braking system with the 16.50 x 7.00 Inch 10 Hole Brake Drum, engineered for durability, precision, and consistent stopping performance. This...
    09-051700023
    SKU:
    09-051700023
    Height Options:
    7 Inch
    Diameter Options:
    16 1/2 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $341.99
    Qty in Cart: 0
    Price:
    $341.99
    Subtotal:
  • 30.25 Inch Post Style Round End Mount Fender Bracket

    30.25 Inch Post Style Round End Mount Fender Bracket

    TRAMEC SLOAN

    $109.99
    Post Style Round End Mount Fender BracketReinforce your fenders with the 30.25 Inch Post Style Round End Mount Fender Bracket, designed to provide secure and long-lasting support. Made from steel...
    09-11100046
    SKU:
    09-11100046
    Length Options:
    30 Inch
    Color:
    Black
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Location:
    Made In USA
    Type Options:
    Flush Mount
    Material Options:
    Steel
    Ready To Ship:
    Yes
    $109.99
    Qty in Cart: 0
    Price:
    $109.99
    Subtotal:
  • Automatic Slack Adjuster Clevis Pin Kit

    Automatic Slack Adjuster Clevis Pin Kit

    AUTOMANN USA

    $2.99
    Clevis Pin Kit With 1/4 and 1/2 Inch PinsMaintain your fleet's braking efficiency with the Automatic Slack Adjuster Clevis Pin Kit, engineered for precision and reliability in heavy-duty truck...
    09-051700028
    SKU:
    09-051700028
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Position:
    Kit Full
    Ready To Ship:
    Yes
    $2.99
    Qty in Cart: 0
    Price:
    $2.99
    Subtotal:
  • Black Steel Air Tank 9.50 X 22.50 Inch Replaces 19840, 19841, 461003, 461012, 2001A, 11019, 035104, 035106

    Black Steel Air Tank 9.50 X 22.50 Inch Replaces 19840, 19841, 461003, 461012, 2001A, 11019, 035104, 035106

    AUTOMANN USA

    $138.99
    9.50 X 22.50 Inch Air Tank With Minimum Volume 1425 Cubic InchesImprove your truck's air system with the Black Steel Air Tank 9.50 X 22.50 Inch, designed for heavy-duty reliability and professional...
    09-051400074
    SKU:
    09-051400074
    Diameter Options:
    9 1/2 Inch
    Color:
    Black
    Product Type:
    Frame & Chassis
    Material Options:
    Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $138.99
    Qty in Cart: 0
    Price:
    $138.99
    Subtotal:
  • Right Hand S Camshaft Replaces E14821, E2446B, E5511, 2210D6868, 2210U8159, 17-724

    Right Hand S Camshaft Replaces E14821, E2446B, E5511, 2210D6868, 2210U8159, 17-724

    AUTOMANN USA

    $46.11
    Meritor Q+ S Camshaft-Head Style 7Ensure peak braking efficiency with the Right Hand S Camshaft, a durable Meritor camshaft built for heavy-duty applications. Designed with Head Style 7, 1.5-inch 28...
    09-051700018
    SKU:
    09-051700018
    Product Type:
    Engine Parts
    Position:
    Passenger Side
    Make:
    Universal Items
    $46.11
    Qty in Cart: 0
    Price:
    $46.11
    Subtotal:
  • Full Radius Black Poly Fender

    Full Radius Black Poly Fender

    TRAMEC SLOAN

    $164.99
    Black Poly Full Radius FenderThe Full Radius Black Poly Fender delivers strength, reliability, and style for trucks with 22-24 inch wheels. Constructed from premium injection-molded plastic, it...
    09-11050017
    SKU:
    09-11050017
    Color:
    Black
    Product Type:
    Rear Fenders
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Location:
    Made In USA
    Type Options:
    Full Radius Fender
    $164.99
    Qty in Cart: 0
    Price:
    $164.99
    Subtotal:
  • 45 Ton 6- Hole Air Compensated Pintle Hook Kit W/ Brake Chamber Bracket

    45 Ton 6- Hole Air Compensated Pintle Hook Kit W/ Brake Chamber Bracket

    BUYERS PRODUCTS

    $555.99
    45 Ton 6- Hole Air Compensated Pintle Hook KitTake on heavy loads with the 45 Ton 6-Hole Air Compensated Pintle Hook Kit, engineered for professional truckers who demand strength and durability...
    09-05110271
    SKU:
    09-05110271
    Product Type:
    Frame & Chassis
    Material Options:
    Steel
    Finish Options:
    Black Powder Coat
    Color:
    Black
    Make:
    Universal Items
    $555.99
    Qty in Cart: 0
    Price:
    $555.99
    Subtotal:
  • 16.50 X 5.00 Inch 10 Hole Brake Drum Replaces 10005332, 10014756, 107453, N42A107453, 3598, 3598X, 3758X, 85123383002, 65151, 65151B

    16.50 X 5.00 Inch 10 Hole Brake Drum Replaces 10005332, 10014756, 107453, N42A107453, 3598, 3598X, 3758X, 85123383002, 65151, 65151B

    AUTOMANN USA

    $326.99
    10 Hole 16.50 X 5.00 Inch Brake Drum With 8.78 Center Hub DiameterPrecision meets durability in this 16.50 x 5.00 Inch 10 Hole Brake Drum, engineered to replace multiple OEM brake drums with exacting...
    09-051700029
    SKU:
    09-051700029
    Height Options:
    5 Inch
    Diameter Options:
    16 1/2 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $326.99
    Qty in Cart: 0
    Price:
    $326.99
    Subtotal:
  • 16.50 X 5.00 Inch 10 Hole Brake Drum Replaces 10005331, 10020147, 3573, 3710, 1660600C2, 1660600C3, 4115968C1, 85123383002, 0202139, 65710, 55710B, 78401B

    16.50 X 5.00 Inch 10 Hole Brake Drum Replaces 10005331, 10020147, 3573, 3710, 1660600C2, 1660600C3, 4115968C1, 85123383002, 0202139, 65710, 55710B, 78401B

    AUTOMANN USA

    $284.99
    10 Hole 16.50 X 5.00 Inch Brake DrumKeep your truck operating safely with the 16.50 x 5.00 Inch 10 Hole Brake Drum, a high-quality, balanced drum designed for heavy-duty braking systems. With 10 bolt...
    09-051700020
    SKU:
    09-051700020
    Width Options:
    5 Inch
    Diameter Options:
    16 1/2 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $284.99
    Qty in Cart: 0
    Price:
    $284.99
    Subtotal:
  • 50 GPM 1.25 Inch Return Line Filter W/ 10 Micron & 25 PSI Bypass

    50 GPM 1.25 Inch Return Line Filter W/ 10 Micron & 25 PSI Bypass

    BUYERS PRODUCTS

    $60.99
    50 GPM 1.25 Inch Return Line FilterDeliver superior hydraulic protection with the 50 GPM 1.25 Inch Return Line Filter, a durable, high-performance solution for high-demand systems. With a 10-micron...
    09-02500266
    SKU:
    09-02500266
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $60.99
    Qty in Cart: 0
    Price:
    $60.99
    Subtotal:
  • Steel Hydraulic Filter Bracket

    Steel Hydraulic Filter Bracket

    BUYERS PRODUCTS

    $16.95
    Hydraulic Filter BracketThe Steel Hydraulic Filter Bracket is your go-to solution for reliable filter mounting in hydraulic systems. Designed for HFA1, HFA2, and HFA3 series assemblies, this carbon...
    09-02500267
    SKU:
    09-02500267
    Material Options:
    Steel
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $16.95
    Qty in Cart: 0
    Price:
    $16.95
    Subtotal:
  • Steel 50 Ton Heavy Duty Swivel Type Pintle Hook

    Steel 50 Ton Heavy Duty Swivel Type Pintle Hook

    BUYERS PRODUCTS

    $615.99
    50 Ton Heavy Duty Swivel Type Pintle HookEngineered for powerful towing, the Steel 50 Ton Heavy Duty Swivel Type Pintle Hook combines strength, safety, and precision. Its swivel action allows for...
    09-0511076
    SKU:
    09-0511076
    Product Type:
    Frame & Chassis
    Material Options:
    Steel
    Color:
    Black
    Style Options:
    Swivel
    Finish Options:
    Black Powder Coat
    Make:
    Universal Items
    Width Options:
    6 1/4 Inch
    Length Options:
    15 1/4 Inch
    $615.99
    Qty in Cart: 0
    Price:
    $615.99
    Subtotal:
  • 16.50 X 7.00 Inch 10 Hole Brake Drum Replaces 10001776, 10001778, 10001800, 10009830, 107150, 3570AX, 3600A, 3922X, 85123207002, 306613, 305449, 03-05449, 66864, 66874

    16.50 X 7.00 Inch 10 Hole Brake Drum Replaces 10001776, 10001778, 10001800, 10009830, 107150, 3570AX, 3600A, 3922X, 85123207002, 306613, 305449, 03-05449, 66864, 66874

    AUTOMANN USA

    $214.99
    10 Hole 16.50 X 7.00 Inch Brake DrumBuilt for trucks that demand excellence in braking, the 16.50 x 7.00 Inch 10 Hole Brake Drum features precision balancing, 10 bolt holes at 1.0 inch, 8.0-inch...
    09-051700021
    SKU:
    09-051700021
    Diameter Options:
    16 1/2 Inch
    Height Options:
    7 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $214.99
    Qty in Cart: 0
    Price:
    $214.99
    Subtotal:
  • 24 X 24 Inch Black Aerodynamic Mud Flap

    24 X 24 Inch Black Aerodynamic Mud Flap

    TRAMEC SLOAN

    $44.28
    24 X 24 Inch Aerodynamic Mud FlapProtect your rig and surrounding vehicles with the 24 X 24 Inch Black Aerodynamic Mud Flap, engineered to withstand the toughest road conditions. Its AF 24 AeroFlap...
    09-050700266
    SKU:
    09-050700266
    Material Options:
    Rubber
    Product Type:
    Mud Flaps
    Height Options:
    24 Inch
    Color:
    Black
    Width Options:
    24 Inch
    Make:
    Universal Items
    Location:
    Made In USA
    Ready To Ship:
    Yes
    $44.28
    Qty in Cart: 0
    Price:
    $44.28
    Subtotal:
  • 26 GPM 1 Inch In- Tank Filter W/ 25 Micron & 25 PSI Bypass

    26 GPM 1 Inch In- Tank Filter W/ 25 Micron & 25 PSI Bypass

    BUYERS PRODUCTS

    $138.99
    26 GPM 1 Inch In- Tank FilterRely on the 26 GPM 1 Inch In-Tank Filter to keep your fuel system clean and operating efficiently. With 25-micron filtration, 25 PSI bypass, and a 26 GPM flow rate, it...
    09-02500264
    SKU:
    09-02500264
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $138.99
    Qty in Cart: 0
    Price:
    $138.99
    Subtotal:
  • 35 Gallon Aluminum Side Mount Cylindrical Reservoir- 24 X 19 Inch

    35 Gallon Aluminum Side Mount Cylindrical Reservoir- 24 X 19 Inch

    BUYERS PRODUCTS

    $1,069.99
    35 Gallon Side Mount Cylindrical ReservoirBuilt for strength and reliability, the 35 Gallon Aluminum Side Mount Cylindrical Reservoir offers a premium hydraulic fluid storage solution. Constructed...
    09-02500265
    SKU:
    09-02500265
    Capacity:
    35 Gallons
    Product Type:
    Cargo Control
    Diameter Options:
    24 Inch
    Material Options:
    Aluminum
    Shape Options:
    Cylindrical
    Length Options:
    19 Inch
    Type Options:
    Side Mount
    Make:
    Universal Items
    $1,069.99
    Qty in Cart: 0
    Price:
    $1,069.99
    Subtotal:
  • Plastic Rear Interior Bunk Window Trim Replaces 20-15886-251 For Peterbilt

    Plastic Rear Interior Bunk Window Trim Replaces 20-15886-251 For Peterbilt

    TRUCK SHROUDS

    $312.99
    Rear Interior Bunk Window TrimRefresh your sleeper's style with this Plastic Rear Interior Bunk Window Trim-the perfect replacement for OEM part 20-15886-251 on Peterbilt Unibilt models. Engineered...
    01-15240000
    SKU:
    01-15240000
    Product Type:
    Interior
    Material Options:
    Plastic/Poly
    Location:
    Made In USA
    Make:
    Peterbilt
    $312.99
    Qty in Cart: 0
    Price:
    $312.99
    Subtotal:
  • Upper Double Roller Bracket Kit - Either Side For Peterbilt 379

    Upper Double Roller Bracket Kit - Either Side For Peterbilt 379

    TRUCK SHROUDS

    $220.99
    Upper Double Roller Bracket KitEnsure dependable operation and top-tier performance for your Peterbilt 379 with the Double Roller Bracket Kit. This premium upper roller bracket kit includes...
    01-124000027
    SKU:
    01-124000027
    Product Type:
    Hood Parts & Acc.
    Location:
    Made In USA
    Material Options:
    Steel
    Make:
    Peterbilt
    Position:
    Kit Full
    $220.99
    Qty in Cart: 0
    Price:
    $220.99
    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.


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