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

Online price only

Regular price $97.99

Online price only

SAVE 0% (833) 910-3416
4.5
Rated 4.5 out of 5 stars
136 Reviews
Shipping: Calculated at Checkout
Brake Options:
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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!

4.5
Rated 4.5 out of 5 stars
Based on 136 reviews
Total 5 star reviews: 108 Total 4 star reviews: 13 Total 3 star reviews: 5 Total 2 star reviews: 1 Total 1 star reviews: 9
Customers Talked About
136 reviews
  • EK
    Ed K.
    Verified Buyer
    1 hour ago
    Rated 5 out of 5 stars
    As described

    Fit was perfect, worked great

  • J
    Junior
    Yesterday
    Rated 5 out of 5 stars
    5 Stars

    Once again parts are perfect!! Will definitely continue to buy more parts. Yall never disappoint and customer service is fantastic.

  • BP
    ben p.
    Verified Buyer
    4 days ago
    Rated 5 out of 5 stars
    Good parts at reasonable prices!

    Everything arrived quickly (3 days). The parts were exactly as described and went on easily. As far as prices go they were the most reasonable I could find online. Locally these parts would have cost more than double. Thanks again.

    The Trailer Parts Outlet
    23 hours ago

    Great to hear everything arrived quickly and at a great price, Ben! We're thrilled the 7k Trailer Axle Electric Brake Assembly was exactly as described and went on easily. We appreciate you noting our competitive pricing - we work hard to offer quality parts at reasonable prices. Thank you for your business and your 5 star review!

    Anna Nicholas
    (936) 935-2186
    The Trailer Parts Outlet

  • MS
    Matthew S.
    Verified Buyer
    1 week ago
    Rated 5 out of 5 stars
    Super easy way to upgrade wore trailer brakes!

    All parts come pre-assembled and bolt right on. Made changing out my old boat trailer brakes easy!

    The Trailer Parts Outlet
    1 week ago

    Great to hear the pre-assembled parts made your boat trailer brake upgrade so easy, Matthew! We're glad everything bolted right on without any hassle. Thank you for your business and your 5 star review!

    Lindsey Millican
    (936) 935-2186
    The Trailer Parts Outlet

  • JF
    Jennifer F.
    Verified Buyer
    2 weeks ago
    Rated 1 out of 5 stars
    Received them damaged

    Customer service was suppose to do a case on this and have never heard another thing!!!

    The Trailer Parts Outlet
    2 weeks ago

    We do apologize for the inconvenience, thank you for your email communication, we are getting this taken care of today.

    Anna Nicholas
    The Trailer Parts Outlet
    936-935-2186