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4 State Trucks semi truck parts and chrome accessories sale – shop big rig deals online
4 State Trucks semi truck parts and chrome accessories sale – shop big rig deals online

Peterbilt 379 Drum Brake Parts

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  • Front Brake Drum Spacers For 19.5, 22.5, 24.5 Inch Wheels - 1.25 Inch Hole Diameter, 1/2 Inch Hole Depth

    Front Brake Drum Spacers For 19.5, 22.5, 24.5 Inch Wheels - 1.25 Inch Hole Diameter, 1/2 Inch Hole Depth

    TRU-BALANCE

    $56.99
    Brake Drum Spacers For 22MM Wheel Studs Centers Brake Drum* High Quality Brake Drum Spacers* Machined From Solid Steel Bar Stock* Specifications:   - Front Brake Drums  - 19.50 Inch, 22.50 Inch, 24...
    09-201000065
    SKU:
    09-201000065
    Location:
    Made In USA
    Truck Class:
    Universal
    Diameter Options:
    1 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Wheels
    Availability:
    Ready To Ship
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • Brake Drum Outboard 16.5 x 7 Inch Light Weight 9006X, 53-123537-002, 89996B

    Brake Drum Outboard 16.5 x 7 Inch Light Weight 9006X, 53-123537-002, 89996B

    AUTOMANN USA

    $282.99
    80000 Series Brake Drum* High quality drum* Steel Shell With Fused GrAY iRON lINER* Brake size: 16.5 x 7 inches* Bolt number: 10* Bolt circle diameter: 11.25 inches* Pilot diameter: 8.78 inches*...
    09-0517303
    SKU:
    09-0517303
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Steel
    Product Type:
    Frame & Chassis
    $282.99
    Qty in Cart: 0
    Price:
    $282.99
    Subtotal:
  • Brake Drum 10 Hole Unimount Balanced 16.5 x 7 Inch

    Brake Drum 10 Hole Unimount Balanced 16.5 x 7 Inch

    OPP - ORIGINAL PARTS PROGRAM

    $240.99
    Unimount Balanced Wheel Brake Drum* High Quality Drum* Brake Size: 16.5 x 7 Inches* Bolt Number: 10* Bolt Center Diameter: 7.56 inches* Surface Flat: 7.56 inches* Balanced* Sold Individually*...
    09-0517300
    SKU:
    09-0517300
    Diameter Options:
    16 1/2 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $240.99
    Qty in Cart: 0
    Price:
    $240.99
    Subtotal:
  • 15.0 X 4.0 IN Brake Shoe Set W/ 2 Shores & Hardware

    15.0 X 4.0 IN Brake Shoe Set W/ 2 Shores & Hardware

    AFTERMARKET

    $122.99
    Brake Shoe Set W/ 2 Shores & Hardware* High Quality Brake Shoe Set* Contains: - 2 Shoes - Hardware Kit* 15.0 X 4.0 Inch* Sold As Set* Warranty On Brake Shoe Sets Against Defects In Workmanship &...
    09-0517111
    SKU:
    09-0517111
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Availability:
    Ready To Ship
    $122.99
    Qty in Cart: 0
    Price:
    $122.99
    Subtotal:
  • 12.25 X 7.5 Inch Brake Drum W/ 8 Mounting Holes For Dexter Axles - Replaces 63680

    12.25 X 7.5 Inch Brake Drum W/ 8 Mounting Holes For Dexter Axles - Replaces 63680

    AUTOMANN USA

    $216.99
    Brake Drum W/ 9 Inch Pilot Diameter & 11.22 Inch Brake SurfaceMaintain safe, efficient braking on Dexter axle-equipped vehicles with this 12.25 x 7.5 inch Brake Drum. Designed with a commonly used...
    09-051700007
    SKU:
    09-051700007
    Diameter Options:
    9 Inch
    Height Options:
    11 Inch
    Length Options:
    10 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Availability:
    Ready To Ship
    $216.99
    Qty in Cart: 0
    Price:
    $216.99
    Subtotal:
  • 12.25 X 7.5 Inch Brake Drum For Commonly Used Hubs - 150.T1108.S5, 150.T1108.S6

    12.25 X 7.5 Inch Brake Drum For Commonly Used Hubs - 150.T1108.S5, 150.T1108.S6

    AUTOMANN USA

    $364.99
    12.25 X 7.5 Inch Brake Drum* High Quality Brake Drum* Brake Surface Dia (A): 12.250* Overall Depth (B): 10.470 Inch* Brake Surface Flat (C): 8.25* Pilot Dia (D): 7.130* Bolt Circle Dia (E): 8.750*...
    09-051700005
    SKU:
    09-051700005
    Diameter Options:
    12 Inch
    Height Options:
    10 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $364.99
    Qty in Cart: 0
    Price:
    $364.99
    Subtotal:
  • Brake Drum 7 X 15 Inch - Replaces 2308400, HWI633049, 3219A, 61577, 61577F

    Brake Drum 7 X 15 Inch - Replaces 2308400, HWI633049, 3219A, 61577, 61577F

    AUTOMANN USA

    $308.99
    7 X 15 Inch Brake DrumUpgrade your truck's braking system with the 7 x 15 Inch Brake Drum. Crafted for precision and performance, it features a 15-inch brake surface, 7-inch height, and 10.59-inch...
    09-051700003
    SKU:
    09-051700003
    Diameter Options:
    15 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $308.99
    Qty in Cart: 0
    Price:
    $308.99
    Subtotal:
  • Brake Drum 15 X 8.625 Inch Replaces 107866, 3744, 3744X, 85123466002, 61991, 61991B

    Brake Drum 15 X 8.625 Inch Replaces 107866, 3744, 3744X, 85123466002, 61991, 61991B

    AUTOMANN USA

    $310.99
    10 Hole Brake Drum With 15 Inch Brake Surface Diameter & 11.9 Inch Overall DepthKeep your truck's brakes performing at their best with this high-quality 15 x 8.625 inch Brake Drum, engineered to...
    09-051700001
    SKU:
    09-051700001
    Diameter Options:
    15 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $310.99
    Qty in Cart: 0
    Price:
    $310.99
    Subtotal:
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Peterbilt 379 Brake Shoes & Drums to Boost Performance

Maximizing the braking efficiency of a Peterbilt 379 requires a precision-engineered approach to the entire S-cam foundation. Upgrading to Long Stroke Air Brake Diaphragms (available in Types 24 to 36) provides a critical safety margin, ensuring full actuation even as 16.5 x 7-inch Outboard Brake Drums expand under high heat.

Find Camshaft Bushings, Air Brake Diaphragms & Brake Shoe Hardware

To maintain DOT compliance and consistent stopping power, integrating Gunite-style (10 spline) Automatic Slack Adjusters is essential for keeping the shoe-to-drum clearance perfectly tuned. However, for owner-operators looking to eliminate steering wheel vibration, the solution often lies in the "connective tissue" of the wheel end. Replacing standard nylon with Bronze Camshaft Bushings provides superior stability, while Tru-Balance Drum Spacers eliminate the radial runout that leads to uneven tire wear and "wheel hop." Whether you are performing a complete overhaul with a Brake Rebuild Kit—inclusive of high-tension springs and anchor pins—or securing the assembly with Spider Bolt Assemblies, using application-specific hardware is vital. From 15 x 4-inch steer drums to specialized Premier Couplers, selecting components engineered specifically for the 379 chassis ensures your rig stays out of the shop and operates with professional-grade reliability.

Frequently Asked Questions About Peterbilt 379 Drum Brake Parts

What drum brake components are available for the Peterbilt 379?

This category covers the parts commonly needed to service and rebuild drum brake systems on the Peterbilt 379, including brake drums, brake shoes, hardware kits, cam shafts, S-cams, brake chambers, and related mounting and adjustment components. If you are unsure whether a specific part you need is included, our sales team can help confirm availability.

How do I know these drum brake parts will fit my Peterbilt 379?

Fitment can vary depending on your truck's axle configuration, brake size, and production year, since the 379 was built over a long production run. We recommend checking the listed specifications on each product page, such as drum diameter and bolt pattern, and comparing them to your existing components or axle documentation before ordering. If you have questions about a specific part number, contact our team with your truck's details for confirmation.

Are these drum brake parts OEM or aftermarket?

Our Peterbilt 379 drum brake parts include a mix of OEM and quality aftermarket options, depending on the specific item. Each product listing notes the brand and manufacturer so you can choose based on your preference for factory-matched parts or a more budget-friendly alternative.

What should I check before installing new brake shoes or drums?

Before installation, inspect related components such as the brake chamber, S-cam, rollers, and hardware for wear, since worn parts nearby can cause premature failure of new shoes or drums. It is also important to follow proper torque specifications and adjustment procedures during installation. If you are not experienced with heavy-duty drum brake service, having a qualified technician complete the installation is recommended.

Do these drum brake parts meet FMVSS and DOT requirements?

Brake system components sold in this category are intended to meet applicable FMVSS and DOT standards for heavy-duty truck brake systems. That said, compliance can depend on correct part selection and proper installation for your specific vehicle configuration. Always verify that replacement parts match your truck's original specifications to maintain regulatory compliance and safe operation.

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