Specifications

The NeoBrake 4725 E N/S Brake Shoe Kit (as sold by Wofford Truck Parts) is a full replacement kit for 16.5" × 6" E-style heavy vehicle air brake systems. “N/S” suggests it is a “No-Slack” or full kit including return springs and mounting hardware. The kit is engineered to OE quality standards, featuring robust friction material and durable backing plates. Vendor listings show it conforms to strict specifications and cross-reference standards.



Key features:





  • Brake surface size: 16.5 in diameter × 6 in width (common for 4725 series)




  • Designed for E-style / Eaton ES / Meritor E brake systems




  • Built to match OEM dimensions and mounting geometry (including anchor pin position, return springs, hardware)




  • Suitable for heavy truck use — engineered to resist wear, friction fade, and to maintain consistent braking under load





Because brake shoe compatibility depends heavily on drum size, anchor pin spacing, spring layouts, and hardware geometry, it’s critical to verify match by the original drum, application spec, or cross-reference before installing.


Compatibility


Alternative Part Numbers

  • 4725E
  • 4725ES
  • Eaton / Meritor / standard 4725 E series brake shoe
  • GG4725ESG
  • KSMA3124725E
  • RK4725E2PR23M
  • XK3124725E

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