Editor's Choice
BBMTA Trailer Brake Backing Plate Flange 3-1/8" Hole
-4X 3-1/8" Center Hole Trailer Brake Backing Plate Flange - Measures 4-1/2" Width, 4-1/4 Height, 5" Corner to Corner, 1/4" Thick
Where to buy
Current$39.76
90 days low$39.76
90 days high$39.76
Average$39.76
Current price is near its 90 days low — this is a good time to buy.
Key features
- -4X 3-1/8" Center Hole Trailer Brake Backing Plate Flange
- - Measures 4-1/2" Width, 4-1/4 Height, 5" Corner to Corner, 1/4" Thick
- - 3-1/8" Inner Hole Diameter, Takes 3/8" Bolts
- Used on 5,200#, 6,000, 7,000 LB axle, Must be welded on
- 2-1/8" spacing (measured from center of mounting holes to the next)
About this product
The BBMTA Replacement Trailer Brake Backing Plate Flange is an essential component for RV owners looking to maintain or upgrade their braking systems. Designed for axles with a capacity of 5,200, 6,000, or 7,000 pounds, this robust flange features a 3-1/8" inner hole diameter and accommodates 3/8" bolts, ensuring a secure fit. Measuring 4-1/2" in width and 4-1/4" in height, with a thickness of 1/4", it provides the durability needed for safe towing.
This product is particularly ideal for those who frequently travel with large trailers or fifth-wheel RVs, where reliable braking is crucial for safety on the road. Whether you're heading out for a weekend getaway or a long cross-country trip, having properly functioning brake components is vital to prevent accidents and ensure peace of mind. The 2-1/8" spacing between the mounting holes allows for straightforward installation, as these flanges must be welded on for optimal performance. Upgrade your trailer's braking system with this dependable set of four flanges.
This product is particularly ideal for those who frequently travel with large trailers or fifth-wheel RVs, where reliable braking is crucial for safety on the road. Whether you're heading out for a weekend getaway or a long cross-country trip, having properly functioning brake components is vital to prevent accidents and ensure peace of mind. The 2-1/8" spacing between the mounting holes allows for straightforward installation, as these flanges must be welded on for optimal performance. Upgrade your trailer's braking system with this dependable set of four flanges.
Frequently asked questions

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