Product Description
Our Brake Return Spring is engineered for commercial semi-trailer drum brake systems, ensuring positive brake shoe retraction after each application. Manufactured from premium spring steel, this critical component maintains proper brake clearance and prevents drag that leads to premature wear.
Technical Specifications
|
Parameter |
Specification |
|
Material |
High-carbon spring steel (SAE 5160) |
|
Wire Diameter |
0.312" (7.92mm) |
|
Free Length |
12.5" (318mm) |
|
Spring Rate |
85 lb/in |
|
Finish |
Zinc-plated corrosion protection |
|
Temperature Range |
-40°F to +300°F |
|
Compatibility |
Fits Meritor, Bendix, WABCO systems |
Key Features
Consistent Tension – Precision-wound for uniform force throughout service life
Corrosion Resistant – Zinc plating withstands road chemicals and moisture
OE Fitment – Exact replacement for OEM part numbers
Safety Critical – Prevents brake drag and overheating
Durable Construction – Fatigue-resistant design for long service life
Primary Applications
S-cam drum brake systems
01
Tandem and tridem axle groups
02
Dry van, reefer, and flatbed trailers
03
Regional and over-the-road operations
04
User Benefits
Prevents Brake Drag
Ensures complete shoe retraction
Reduces Maintenance
Longer service life vs. economy springs
Safety Compliant
Meets FMVSS 121 requirements
Cost Effective
Bulk packaging available
Easy Installation
Color-coded for proper orientation
Packaging Options
- Individual springs with protective wrapping
- Boxed sets (10 springs/box)
- Bulk cases (100 springs/case)
- Complete brake service kits
Why Professionals Choose Our Springs
Fleet Managers
Reduce brake-related downtime
Technicians
Consistent quality speeds repairs
Distributors
High-demand maintenance item
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