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TRAILERSUPPLIES 12-1/4" x 3-3/8" (12.25" x 3.375") Electric Trailer Brake Assembly 4-Pack for 9K/10K Axles, Self-Adjusting, Left & Right, 7-Bolt, Replaces Dexter K23-450-00 / K23-451-00
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US$274.66 cheaper than the new price!!
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Used US$183.11
Product details
| Management number | 219378086 | Release Date | 2026/05/03 | List Price | US$183.11 | Model Number | 219378086 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- 【Heavy-Duty Electric Trailer Brake Kit】Complete trailer brake kit for 9K–10K axles, includes 2 left and 2 right 12.25" x 3.375" electric drum brake assemblies. Designed to fit general duty trailer axles with a 7-hole brake flange. Designed for house trailer axles with 9K–10K capacities, ensuring optimal safety and reliability.
- 【Self-Adjusting Mechanism】 No more manual adjustments needed. Self-adjusting function automatically maintains proper shoe-to-drum clearance for consistent, reliable braking performance.
- 【Fully Assembled & Easy Installation】 Our 8 lug trailer brake kit comes fully assembled with pre-installed components, included shoes, springs, magnets, and backing plates — ready to bolt on with no extra setup. Just attach to your trailer's 7-bolt flange and wire into your system.
- 【Compatible with Dexter 9K–10K Axles】 Direct replacement for Dexter part numbers K23-450-00 (LH) and K23-451-00 (RH). Commonly used on utility trailers, livestock trailers, dump trailers, and more.
- 【Durable, Smooth & Safe Braking】 Heat-resistant friction material delivers smooth, quiet stops without jerking. Designed for trailers with 16"–17.5" wheels. Backed by a 2-Year Limited Manufacturer Warranty.
| Brand Name | TRAILER SUPPLIES |
|---|---|
| Model Year | 2025 |
| Item Weight | 78 Pounds |
| Orientation | Dual |
| Manufacturer | TRAILER SUPPLIES |
| Model Number | 2pair |
| Automotive Fit Type | Universal Fit |
| Included Components | 2 x Left-Hand Electric Brake Assemblies 2 x Right-Hand Electric Brake Assemblies |
| Is Assembly Required | No |
| Manufacturer Part Number | 77-1210-1/77-1210-2 |
| OEM Equivalent Part Number | Dexter Part Number K23-450-00(LH) / K23-451-00(RH) |
| Compatible with Vehicle Type | Trailer |
| Manufacturer Warranty Description | 2-Year Limited Warranty. Covers manufacturing defects only. Installation and usage must follow industry guidelines. Buyer is responsible for return shipping for warranty claims. |
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Trailer Brakes
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