UFP Unique Functional Products

UFP 3750lb. Trailing Arm w/DB-35 Disc Brakes and Vault HLS U43130

SKU: U43130

  • Sale
  • Regular price $ 247.71

Trailer Buddy-UFP Replacement Trailing Arm with Disc Brakes

This replacement trailing arm works with all Trailer Buddy-UFP 3750lb. capacity torsion axles.  Mounts easily to desired position by splines that allow for ride height adjustment.  Complete assembly is ready to be bolted on to existing torsion axle with mounting bolt (included).  Complete with DB-35 series Disc Brake Rotor and Caliper.


  • Trailing arm, Rotor and Caliper are zinc plated for superior corrosion protection
    • 9 3/4" diameter DB-35 Rotor (Tapered)
    • Standard UFP Zinc Plated DB-35 Caliper
  • VAULT Maintenance free hybrid oil hub, requires no maintenance and is completely sealed
  • Tooth and Groove or Spline attaches easily to any 3750lb. UFP Torsion axle
  • Mounting bolt, nut and washer are included
  • Tapered spindle size is 1 3/8" x 1 1/16"
  • Bearings and Seal are pre-packed with VAULT Hybrid Oil
    • 68149 Inner Bearing and 44649 Outer Bearing
    • 1.68 ID Seal
  • VAULT hub cap seals the hub and maintains slight pressure in hub

UFP Torsion Axle end unit trailing arm with VAULT Hybrid oil pre-packed with DB-35 Series Disc Brakes