12K-16K Trailer Axle Hydraulic Drum Brake Assembly - 12.25"x5" - 12000-16000 lb Capacity - Left Hand (Driver Side)

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12K-16K Trailer Axle Hydraulic Drum Brake Assembly - 12.25"x5" - 12000-16000 lb Capacity - Left Hand (Driver Side)

12K-16K Trailer Axle Hydraulic Drum Brake Assembly - 12.25"x5" - 12000-16000 lb Capacity - Left Hand (Driver Side)

SKU : ASK-12HYD

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Regular price $1,242

Online price only

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4.6
Rated 4.6 out of 5 stars
130 Reviews
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12.25"x5" Hydraulic Brake Assembly Package – 12000 lb-16000 lb Axles

Repair or Upgrade your trailer’s stopping power with this 12.25"x5" Hydraulic Brake Assembly Package. Designed for 12K–16K trailer axles, this repair kit fits popular brands like Dexter, TK, Lippert, and Texas Pride, making replacements simple and reliable.

Package Includes:

  • (1) 12.25" Left Hand Side Hydraulic Brake Assembly, Self -Adjusting
  • (1) 12.25" Right Hand Side Hydraulic Brake Assembly, Self -Adjusting
  • (1) 1 Quart Jug of Axle Oil (Oil Brand May Vary)
  • (2) 12K Trailer Axle Hub and Drum 8x6.5
  • (2) 21-36 Oil Bath Cap and Plug
  • (2) 3984 Inner Bearing 2.625" I.D
  • (2) 28682 Outer Bearing 2.250" I.D
  • (2) 10-56 Oil Seal 4.506" O.D 3.125" I.D
  • (2) 3920 Inner Race 4.438" O.D (Pre-Pressed In Hub)
  • (2) 28622 Outer Race 3.844" O.D (Pre-Pressed In Hub)
  • (2) 12-15K Tang Washer - 1.75 I.D" x 0.60"
  • (16) Coned Wheel Nuts

Brake Assembly Specs:

  • Brake Type: Hydraulic
  • Brake Size: 12.25" x 5"
  • Mounting Flange: 7-Bolt
  • Axle Rating: 12,000 lb – 16,000 lb
  • Adjustment: Self-Adjust
  • Compatibility: Dexter, TK, Lippert, Texas Pride
  • Warranty: 1 Year
  • Not Compatible with Rockwell American Axles

Features:

  • Easy Installation – Mounts with a 7-bolt brake flange and connects with just two wires (sold separately).
  • Simple Maintenance – Rear adjustment ports allow fast and precise brake adjustments.
  • Durable Construction – Built to handle heavy loads and demanding road conditions.
  • Trusted Quality – Backed by a 1-year warranty from The Trailer Parts Outlet.
  • Dexter Compatible Part: K23-408-00 & K23-409-00

Ready to Ship-Package Specs: (2) 14"x14"x7" Box @ 22 lbs each, (2) 14"x14"x7" Box @ 46 lbs each, (1) 13"x13"x6" @ 10 lbs. *Quantity 2 or more will ship on a 32"x32"x19" Wood Pallet with Freight Carrier chosen @ checkout.

Burnishing Instructions: To achieve optimal braking performance, burnish new brakes by performing 20–30 gradual stops from approximately 40 mph to 20 mph, allowing brakes to cool between each application.

Why Buy From The Trailer Parts Outlet?
We make trailer repairs simple. Whether you’re upgrading your fleet or replacing worn-out components, our premium hydraulic brake assemblies are engineered for strength, reliability, and safety. Order online today and get your trailer back on the road with confidence!

4.6
Rated 4.6 out of 5 stars
Based on 130 reviews
Total 5 star reviews: 104 Total 4 star reviews: 13 Total 3 star reviews: 5 Total 2 star reviews: 1 Total 1 star reviews: 7
130 reviews
  • JS
    jody s.
    Verified Buyer
    4 minutes ago
    Rated 5 out of 5 stars
    Quality Product

    Quality product, great service! Would recommend.

  • DF
    David F.
    Verified Buyer
    1 month 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 month ago
    Rated 5 out of 5 stars
    Mr

    The brake was easy to install. Great product.

    Thanks Michael

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

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

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

    What i expected