Ultra-Fab | Electric Trailer Brake Assembly; Self-Adjusting (10" X 2-1/4") | 48-979250 | 10" | 3,500lb | Left Hand (Driver Side)| Boxed

Ultra-Fab 48-979250 Self-Adjusting Electric Trailer Brake Assembly – Reliable Braking Performance for 3,500 lb Axles

Upgrade your trailer's braking system with the Ultra-Fab 48-979250 Self-Adjusting Electric Trailer Brake Assembly, engineered to provide dependable stopping power, longer service life, and hassle-free maintenance. Designed for  3,500 lb trailer axles, this  10" x 2-1/4" left-hand (driver side) electric brake assembly features an automatic self-adjusting mechanism that maintains optimal brake performance without the need for routine manual adjustments.

Whether you're replacing worn-out trailer brakes or upgrading your current braking system, this complete boxed brake assembly delivers OEM-quality performance and is a direct replacement for many Dexter and Lippert brake assemblies. Its rugged construction, premium friction materials, and corrosion-resistant backing plate make it an excellent choice for utility trailers, cargo trailers, enclosed trailers, boat trailers, travel trailers, and RVs.

Built by  Ultra-Fab Products, a trusted name in the RV and trailer industry since 1958, this brake assembly is backed by an industry-leading 5-year warranty, giving you confidence mile after mile.

Key Features

Self-Adjusting Brake Technology

The integrated self-adjusting mechanism automatically maintains proper brake shoe clearance during normal operation, eliminating the need for periodic manual brake adjustments. This helps deliver more consistent braking performance while reducing maintenance time.

Reliable Electric Trailer Braking

Designed to provide smooth, dependable stopping power, this electric brake assembly helps improve trailer control and braking confidence whether you're hauling equipment, recreational vehicles, or cargo.

Premium Automotive-Grade Brake Shoes

High-quality automotive-grade friction material is fully bonded to the brake shoes to maximize braking torque, extend service life, and reduce the risk of cracking, separation, or premature wear.

Corrosion-Resistant E-Coated Backing Plate

The durable E-coated backing plate resists rust, corrosion, and environmental wear, helping protect the brake assembly from harsh road conditions, moisture, and debris for longer-lasting performance.

Easy Bolt-On Installation

Designed as a direct replacement for standard4-bolt mounting flanges, this complete brake assembly offers a straightforward installation with pre-installed components, making replacement quick and convenient.

OEM Replacement Compatibility

Direct replacement for:

• Dexter® 023-468-00
• Dexter® K23-468-00
• Lippert® 122468
• Lippert® 296SA10L

Perfect for restoring factory braking performance without modifications.

Specifications

• Brand: Ultra-Fab Products
• Manufacturer Part Number: 48-979250
• Brake Type: Electric Self-Adjusting
• Brake Diameter: 10 inches
• Brake Width: 2-1/4 inches
• Axle Capacity: 3,500 lbs
• Side: Left Hand (Driver Side)
• Mounting Pattern: Standard 4-Bolt Flange
• Backing Plate Finish: E-Coated Corrosion-Resistant Steel
• Brake Shoe Material: Automotive-Grade Bonded Friction Material
• Packaging: Boxed
• Warranty: 5-Year Limited Warranty

Fits

Compatible with most trailer axles using:

• 3,500 lb axle capacity
• 10" x 2-1/4" electric drum brakes
• Standard 4-bolt brake mounting flange

Ideal for:

• Travel Trailers
• Fifth Wheels
• Utility Trailers
• Cargo Trailers
• Equipment Trailers
• Boat Trailers
• Horse Trailers
• RV Trailers

Why Choose the Ultra-Fab 48-979250?

• Automatic self-adjusting brake system reduces maintenance
• Premium bonded brake linings for longer service life
• Excellent stopping power and braking consistency
• Rust-resistant E-coated backing plate
• Direct OEM replacement for Dexter and Lippert brake assemblies
• Fast, simple bolt-on installation
• Trusted Ultra-Fab quality since 1958
• Industry-leading 5-year warranty

What's Included

• (1) Ultra-Fab Self-Adjusting Electric Trailer Brake Assembly
• Left Hand (Driver Side)
• Complete Pre-Assembled Backing Plate
• Boxed for protection during shipping