Description
Product Overview
The Aizhuer Trailer Brake Backing Plate Flange is a precision‑engineered component designed to meet the rigorous demands of heavy‑duty trailer braking systems. Constructed from high‑strength steel, the flange provides a robust platform for drum brake assemblies, ensuring consistent contact and heat dissipation during prolonged use. With a width of 4.5 inches, a height of 4.25 inches, and a corner‑to‑corner measurement of 5 inches, the plate offers ample surface area while maintaining a compact profile that fits within standard axle housings. The central mounting hole measures 3‑1/8 inches in diameter, accommodating 3/8‑inch bolts for secure attachment, and the spacing between mounting holes is precisely 2‑1/8 inches, guaranteeing alignment with OEM specifications. The plate’s thickness of 0.25 inches balances durability with weight efficiency, weighing only 1.23 pounds, which helps reduce unsprung mass and improve overall trailer handling. Designed for axles rated at 5,200, 6,000, and 7,000 pounds, this flange is compatible with a wide range of trailer configurations, from utility trailers to large livestock carriers. The weld‑on installation method ensures a permanent, vibration‑resistant connection that can withstand the harsh conditions of road travel, including exposure to moisture, dust, and temperature fluctuations. Each unit undergoes rigorous quality control testing, including dimensional verification and tensile strength assessment, to meet Aizhuer’s exacting standards for safety and performance.
![[Product front view showing all components]](https://www.illusiongo.store/wp-content/uploads/2026/06/ecd8a91bdac849058ddea64ac28c54e7.jpg)
Usage
This backing plate flange is ideal for both professional mechanics and DIY enthusiasts who need a reliable solution for trailer brake upgrades or replacements. It excels in applications where consistent braking performance is critical, such as hauling heavy equipment, transporting livestock, or moving construction materials. The plate’s design facilitates easy integration into existing brake assemblies; simply remove the old backing plate, align the new flange with the axle mounting points, and weld it securely in place. The weld‑on approach eliminates the need for additional fasteners, reducing installation time and potential points of failure. For trailers operating in rugged environments—such as off‑road work sites, agricultural fields, or coastal regions—the flange’s corrosion‑resistant coating protects against rust and prolongs service life. Additionally, the component’s compatibility with standard 3/8‑inch bolts means that brake shoes and drums can be mounted without the need for specialized hardware, simplifying maintenance and part replacement. Whether the trailer is used daily for commercial transport or occasionally for recreational purposes, the Aizhuer flange delivers dependable braking response, helping to prevent premature wear and ensuring safety on the road.
Why Choose Us
Choosing Aizhuer means selecting a brand with a reputation for engineering excellence and customer focus. Our backing plate flange is manufactured in a state‑of‑the‑art facility that adheres to ISO‑9001 quality management principles, guaranteeing that each part meets precise dimensional tolerances and material specifications. The steel used in the flange is sourced from certified suppliers, providing superior tensile strength and resistance to deformation under load. Aizhuer’s commitment to durability is reflected in the plate’s weld‑on design, which eliminates the risk of loosening bolts and reduces maintenance intervals. We also offer comprehensive technical support; our engineering team is available to assist with fitment questions, installation guidance, and troubleshooting, ensuring that you have the expertise needed for a successful retrofit. In addition, every purchase is backed by a limited warranty that covers manufacturing defects, giving you confidence in the longevity of the product. Our customers consistently rate the flange highly for its fit, finish, and performance, as reflected in a 5‑star rating based on multiple reviews. By selecting this component, you benefit from a blend of robust construction, precise engineering, and responsive after‑sales service that sets Aizhuer apart from generic alternatives.
Key Features
- High‑strength steel construction provides long‑lasting durability and resistance to wear.
- Precise 4.5″ width and 3‑1/8″ center hole ensure perfect fit for 5,200‑, 6,000‑ and 7,000‑lb axles.
- Weld‑on installation creates a permanent, vibration‑free connection for reliable braking.
- Lightweight design at only 1.23 lb reduces unsprung mass and improves trailer handling.
- Dedicated Aizhuer support team offers expert assistance and a limited warranty for peace of mind.
FAQ
What axle sizes are compatible with this backing plate flange?
The flange is engineered to work with axles rated at 5,200 lb, 6,000 lb, and 7,000 lb. It matches the standard mounting dimensions used by most trailer manufacturers, making it a versatile replacement for a wide range of trailer types.
Can this flange be installed on a trailer that already has a welded brake assembly?
Yes. The flange is designed for weld‑on installation, which means it can be securely fused to the axle housing even if the existing brake assembly was welded. Proper surface preparation and welding techniques are recommended to achieve a strong bond.
Do I need any special tools to install the Aizhuer backing plate?
No special tools are required beyond standard welding equipment and a set of 3/8‑inch bolts for attaching the brake shoes and drums. The mounting holes are precisely sized, so the bolts fit without the need for additional adapters.
How does the flange handle corrosion in harsh environments?
The flange is coated with a corrosion‑resistant finish that protects against rust and moisture. This coating, combined with the high‑grade steel substrate, ensures reliable performance even in coastal or off‑road conditions where exposure to salt and debris is common.
What warranty does Aizhuer provide for this product?
Aizhuer offers a limited warranty that covers any manufacturing defects for a period of one year from the date of purchase. This warranty reflects our confidence in the product’s quality and provides customers with added assurance.




Toyota Drum Brake Backing Plate Machined Design
Reviews
There are no reviews yet.