3.5K Electric Brake Trailer Axle – 3,500 lb Capacity | 5x4.5 Bolt Pattern | Fully Assembled

Upgrade your light-duty RV or trailer with this 3,500 lb capacity electric brake axle. Built for durability, performance, and ease of installation, this 3.5K 5-lug trailer axle is a perfect fit for RVs, cargo trailers, utility trailers, boat trailers, and more. Whether you're replacing a worn-out axle or building a custom trailer, this axle provides the strength and reliability you need.

Axle Specifications: 

• Load Rating: 3,500 lbs (3.5K)
• Axle Type: Electric Brake
• Tube Diameter: 2 3/8" Straight Axle Tube
• Bolt Pattern: 5x4.5"
• Stud Size: 1/2"-20 x 1.99" Long (Press-In)
• Tire Compatibility: Fits 13" to 15" Tire & Wheel Assemblies
• Spring Mount Options: Overslung or Underslung
• Brake Assemblies: 10" x 2.25" Manual Adjust
• Product Weight: 98 lbs
• Wiring: Internal brake wire routing for added protection and cleaner installation
• Compatibility: Direct replacement for Dexter, AL-KO, Lippert, and Hayes axles
• Not compatible with ABS systems
• If “Loose Spring Seats” is selected, seats are not pre-welded to the axle

What’s Included (Pre-Assembled Internal Components): 

• 3.5k (3500 lb Capacity) Bearing Kit (2 sets) 
  • Inner Bearing & Race
  • Outer Bearing & Race
  • Tang Washer - for EZ-Lube Spindle Applications
  • Hub/Dust/Grease Cap
  • Cotter Pin - for Standard Spindle Applications
  • Double Lip Grease Seal
• 3.5k TK Axle Hub & Drum - 5x4.5 lug 
• 3.5k TK Axle Beam - 2 3/8" Tube
• 3.5k TK Axle Brake Assembly - 10x2.25" (Manual Adjust)
• 3.5k TK Axle Studs - 1/2"
  

Key Benefits:

• Fully Assembled & Packed with High-Temp Axle Grease – Ready for fast installation
• High-Strength Steel Construction – Ensures durability and a smoother highway towing experience
• EZ Lube Design – Grease your axle without removing the hub, thanks to the accessible zerk fitting
• Underslung or Overslung Setup – Choose the ride height that suits your trailer needs
• Internal Wiring System – Protects brake wiring from road damage
• Reliable Stopping Power – Electric brake system offers improved safety and performance

Ideal for:

• RV Trailer Builds or Replacements
• Utility Trailer Conversions
• Boat Trailer Upgrades
• Cargo & Equipment Trailers

Why Buy from The Trailer Parts Outlet?

• Proudly Manufactured in the U.S.A.
• Ships Fast – Order Today, Ships Tomorrow
• Bulk & Wholesale Options Available
• Financing Options
• Dedicated Expert Support

Have questions? Call or message us at (936) 289-3191 — we’re here to help you find the perfect axle for your trailer build or repair. Order your 3.5K Electric Brake Trailer Axle today and get back on the road with confidence!