4-Bolt Trailer Brake Backing Plate Flange – 2.27" Center Hole
Part Number: 4-35 (004-035-00)
Heavy-duty 4-bolt square brake backing plate flange designed for use when adding electric drum brakes to an axle that does not already have a welded brake flange. This flange must be welded to the axle tube.
Features
- High-grade steel construction
- Standard 4-bolt square brake flange design
- Commonly used for adding electric drum brakes
- Designed to be welded onto axle tube
- Compatible with many 7" and 10" drum brake setups
Specifications (Measured)
| Part Number | 004-035-00 |
| Flange Style | 4-Bolt Square |
| Overall Width | 3-3/4" |
| Center Hole Diameter | 2.27" |
| Bolt Hole Diameter | Approx. 1/2" (Fits 7/16" Bolts) |
| Bolt Hole Spacing (Center to Center – Horizontal) | Approx. 3-3/8" |
| Bolt Hole Spacing (Diagonal) | Approx. 4-11/16" |
| Thickness | 1/4" |
Measurements shown are taken directly from the part. Always verify axle tube diameter, brake size, and bolt spacing before welding. Designed for typical 2,000 lb and 3,500 lb trailer axles using 7" or 10" drum brakes. Verify specifications before installation.
This listing is for one (1) backing plate flange.