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Lippert 8K Tandem-Axle Self-Adjusting 12.25 3.38 Electric Brake Assemblies & Pre-Greased 8-on-6.5 Drum Hub Kit (9/16 Studs) Dexter/Alko/Rockwell Compatible

$1,209.99
SKU: LP721HBA
✅ Universal Fit Product(No vehicle selection required)
1
In Stock

Lippert 8K Tandem-Axle Electric Brake & Grease Drum Hub Kit

Service both axles of your heavy-duty trailer with one convenient package. This bundle pairs Lippert’s forward self-adjusting 12.25″ × 3.38″ electric brake assemblies with pre-greased 8-on-6.5″ drum hubs, delivering OEM-grade stopping power, smoother installs, and less downtime for livestock, equipment, flatbed, and other 8,000-lb-axle trailers.

Bundle Contents:

  • QTY (2): Lippert 12.25″ × 3.38″ Electric Brake Assembly – Left Hand
    • Forward self-adjusting design — no manual adjustments
    • Roadside (driver-side) fit for 8K axles
    • 4-bolt brake mounting pattern; DIY friendly
    • Works with 16″ – 17.5″ wheels
    • Includes park-brake feature
    • Dexter Compatible Part Number: K23-434-00 | 023-434-00
  • QTY (2): Lippert 12.25″ × 3.38″ Electric Brake Assembly – Right Hand
    • Self-adjusts every forward stop for consistent braking
    • Curb-side (passenger) installation only
    • Rated for 8,000-lb axles
    • 4-bolt brake flange pattern
    • Break-in period required for optimal performance
    • Dexter Compatible Part Number: K23-435-00 | 023-435-00
  • QTY (4): Lippert Grease Drum Hub – 8-on-6.5″, 9/16″ Stud
    • Cast-iron drum hub rated for 8K axles
    • 8-lug, 6.5″ bolt circle with 9/16″ studs
    • Pre-installed bearing cones, seal & grease
    • Drum hub only — brake assemblies supplied separately in this kit
    • Fits 16″ – 17.5″ wheels
    • 1-year limited warranty

Always verify your original equipment, follow torque specs, and inspect brakes, bearings, and seals at regular service intervals.

Product image for reference only — minor cosmetic details (casting style, cap color, stud protectors, packaging) may vary between production runs. All items ship to the exact specifications listed.

Specifications:
Kit Type Complete Tandem-Axle Brake & Drum Hub Kit
Axle Rating 8,000 lbs per axle
Brake Drum Dimensions 12.25″ × 3.38″
Brake Mounting Pattern 4-bolt brake flange
Hub Bolt Pattern 8-on-6.5″
Hub Type Cast-iron drum hub (pre-greased)
Stud Size 9/16″
Type of Adjustment Forward self-adjusting
Brake Location Left & Right (driver & passenger side)
Wheel Size Compatibility Brakes & Hubs: 16″, 16.5″, 17″, 17.5″
Includes (2) LH brakes, (2) RH brakes, (4) greased drum hubs
Order today or call us at 1-201-580-9007 for expert advice and personalized service.