12-1/4" x 5" Self-Adjusting Electric Brake Assembly – 2 Pairs (4 pcs) for 12K–15K Axles + 4 Unitized Oil Seals 3.125" ID x 4.50" OD – Replaces Dexter K23-442-00, 010-056-00
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Product details
| Management number | 215259508 | Release Date | 2026/04/12 | List Price | $244.79 | Model Number | 215259508 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- 【Complete 12K–15K Axle Kit】Includes 4 self-adjusting electric brake assemblies and 4 unitized oil seals—ideal for heavy-duty trailer axle maintenance or repair.
- 【Heavy-Duty Electric Brakes】Each 12-1/4" x 5" brake assembly comes fully pre-installed with shoes, magnets, springs, and backing plates—ready for bolt-on installation.
- 【Self-Adjusting Brake Function】Automatically maintains optimal shoe-to-drum clearance, ensuring consistent braking with minimal manual adjustment.
- 【High-Performance Oil Seals】Unitized design with 3.125" ID × 4.50" OD × 0.595" width; dual-lip seals prevent grease leakage and block contaminants in demanding conditions.
- 【Direct OEM Replacements】Replaces Dexter K23-442-00, Lippert 297998 (brakes); Dexter 010-056-00, Hayes 091023, AL-KO 568217 (seals); fits 12K–15K Dexter axles and more.
| Brand Name | TRAILER SUPPLIES |
|---|---|
| Model Year | 2025 |
| Orientation | Dual |
| Manufacturer | Trailer Supplies |
| Model Number | 12-1/4" x 5" 2 PAIR 4Seal |
| Automotive Fit Type | Universal Fit |
| Included Components | 2 Left + 2 Right 12-1/4" x 5" Self-Adjusting Electric Brake Assemblies, 4 Unitized Oil Seals (3.125" ID × 4.50" OD) |
| Is Assembly Required | No |
| Manufacturer Part Number | WA-77-1212-2PAIR4SEAL |
| OEM Equivalent Part Number | Dexter K23-442‑00 (LH/RH); Lippert 297998 (LH), Lippert 2979981 (RH); Dexter 010‑056‑00; AL‑KO 568217 |
| Compatible with Vehicle Type | Trailer |
| Manufacturer Warranty Description | 2-Year Limited Warranty against defects in materials and workmanship. Does not cover misuse, improper installation, or normal wear. Proof of purchase required. |
Trailer Brakes
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