10K Heavy Duty 12.25"x4" Trailer Axle Electric Brake Assembly - 10000 lb Capacity - Right Hand (Passenger Side)

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10K Heavy Duty 12.25"x4" Trailer Axle Electric Brake Assembly - 10000 lb Capacity - Right Hand (Passenger Side)

10K Heavy Duty 12.25"x4" Trailer Axle Electric Brake Assembly - 10000 lb Capacity - Right Hand (Passenger Side)

SKU : 10HDRHBRKAS

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Regular price $142

Online price only

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4.6
Rated 4.6 out of 5 stars
129 Reviews
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Upgrade your trailer with this premium 12.25" x 4" electric brake assembly, built for 10,000 lb heavy-duty trailer axles. Designed for Dexter Heavy-Duty Trailer Axles, this brake system ensures reliable stopping power and simplified installation.

Note: This brake assembly is not compatible with Rockwell, Texas Pride, or TK Trailer Axles and only fits Dexter Heavy-Duty Axles.

Single Brake Assembly:

  • Size: 12.25" x 4"
  • Capacity: 10,000 lb per axle
  • Side: Passenger Side Only (Right Hand)
  • Bolt Pattern: 7-Bolt Flange
  • Heavy Duty
  • Shipment Specs: 1) 14x14x6 Box @ 19 lbs

Pair Set:

  • (1) Driver Side Brake Assembly – 12.25" x 4"
  • (1) Passenger Side Brake Assembly – 12.25" x 4"
  • Heavy-duty 10K capacity
  • 7-bolt brake flange
  • Shipment Specs: 2) 14x14x6 Box @ 19 lbs

Complete Brake Kit:

  • (1) Driver Side Brake Assembly – 12.25" x 4"
  • (1) Passenger Side Brake Assembly – 12.25" x 4"
  • (1) Quart Axle Oil
  • (2) 10-56 Unitized Oil Seals – 4.506" O.D. / 3.125" I.D.
  • (2) 395S Inner Bearings – 4.331" I.D.
  • (2) 387A Outer Bearings – 2.250" I.D.
  • (2) 394A Inner Races – 4.331" O.D.
  • (2) 382A Outer Races – 2.810" O.D.
  • Shipment Specs: 2) 14x14x6 Box @ 19 lbs 1) 14x14x7 @ 28 lbs

Half Crate (20 Brakes Total):

  • (20) Driver Side Brake Assemblies – 12.25" x 4"
  • (20) Passenger Side Brake Assemblies – 12.25" x 4"
  • Shipment Specs: 1) Crate/Pallet @ 800 lbs

Crate (80 Brakes Total):

  • (40) Driver Side Brake Assemblies – 12.25" x 4"
  • (40) Passenger Side Brake Assemblies – 12.25" x 4"
  • Shipment Specs: 1) Crate @ 1560 lbs

Features:

  • Easy-to-Install: Only 7 bolts and 2 wires required for a full install (hardware sold separately)
  • Rear Adjustment Ports: Make brake adjustments fast and simple
  • Compatibility: Dexter Heavy-Duty Trailer Axles ONLY
  • Durable & Reliable: Built to perform under heavy loads and demanding trailer use
  • 1-Year Manufacturer Warranty for peace of mind

New brake assemblies must be properly burnished to ensure optimal performance:

  • Perform 20–30 brake applications
  • Decelerate from 40 mph to 20 mph each time
  • Allow brakes to cool between applications

Order Your 10K Electric Trailer Brake Assemblies Today
Whether you need a single assembly or crate quantities, The Trailer Parts Outlet provides high-quality, affordable trailer brake parts with fast shipping and top-tier support. If you're unsure about fitment or need help selecting the right setup, contact our experts — we're here to help!

4.6
Rated 4.6 out of 5 stars
Based on 129 reviews
Total 5 star reviews: 103 Total 4 star reviews: 13 Total 3 star reviews: 5 Total 2 star reviews: 1 Total 1 star reviews: 7
129 reviews
  • DF
    David F.
    Verified Buyer
    3 days ago
    Rated 5 out of 5 stars
    BEST PRICE

    Works good

    Best Prices Around

    Easy to find parts always

    Thank you.

  • MA
    Michael A.
    Verified Buyer
    1 week ago
    Rated 5 out of 5 stars
    Mr

    The brake was easy to install. Great product.

    Thanks Michael

  • IE
    Ira E.
    Verified Buyer
    1 week ago
    Rated 5 out of 5 stars
    Trailer repair

    Worked perfect, great, fast shipping. Thank you for the excellent service.

  • M
    Manuel
    1 week ago
    Rated 5 out of 5 stars
    5 Stars

    What i expected

  • BO
    BRENT O.
    Verified Buyer
    2 weeks ago
    Rated 5 out of 5 stars
    Owner

    Perfect