If you need to replace your electric brake assembly, go with a trusted name. Get a genuine Lippert® replacement part. Standard electric brake assemblies are easier to install than hydraulic brakes, and a manual adjustment gives you more control than a self-adjusting brake assembly. This Electric Brake Assembly is compatible with 14.5-16” wheels, made for 4,000-7,000 lb. axles, and goes on the left side (roadside). Make sure you inspect and check your brakes every 3,000 miles for safety on the road. This Electric Brake Assembly is compatible with 10-13” wheels, made for 2,200 lb. axles, and goes on the left side (roadside/driver side). Make sure you inspect and check your brakes every 3,000 miles for safety on the road.