12-1/4"x3-3/8 Electric Trailer Brake Magnet Kit for 9K-10K Trailer Axles 21026

12-1/4"x3-3/8 Electric Trailer Brake Magnet Kit

This electric trailer brake magnet kit, measuring 12-1/4 inches by 3-3/8 inches, provides braking force for 9K to 10K trailer axles, OEM cross-reference number 21026.

Overview

This brake magnet kit is a direct replacement for electric trailer brakes, designed to actuate the brake shoes when power is applied. It is suitable for trailers with 9,000 to 10,000 lb axles and ensures reliable stopping power.

Built For Performance

• Precision-machined magnet surface for consistent contact
• High-temperature resistant wiring insulation
• Corrosion-resistant steel construction
• Includes mounting hardware for easy installation
• Compatible with standard 12V electric brake systems

On-The-Job Use

• Commonly used on utility trailers, car haulers, and equipment trailers
• Ideal for heavy-duty towing applications requiring reliable braking
• Replacement during brake system maintenance or upgrade
• Works with both tandem and single axle configurations within the weight range

Specs At A Glance

Good To Know

Q: How often should trailer brake magnets be replaced? A: Inspection every 10,000 miles or annually is recommended; replace if magnet surface is uneven or worn beyond 1/16 inch.

Q: Can this magnet kit be used on both left and right trailer hubs? A: Yes, this kit is universal and fits both sides, but always confirm the magnet dimensions match your existing brake assembly.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.