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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
Model: LP721HBALippert 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 |
$1,209 99 $1,683.60 28% OFF
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Product Details
- Brand: LIPPERT
- Model: LP721HBA
- Includes: Left Forward Self-Adjusting Brake Assembly (x2), Right Forward Self-Adjusting Brake Assembly (x2), Brake Drum Hub Assembly (x4)
