3.5k TK Trailer Axle - 3500 lb Idler 5 lug - Dexter Compatible

3.5K Straight Idler Trailer Axle — 3,500 lb capacity | 5×4.5 bolt pattern | Fully assembled

Upgrade your light-duty trailer with this 3,500 lb idler trailer axle. Built for durability, performance, and easy installation, this 3.5K 5-lug trailer axle is a perfect fit for RVs, cargo trailers, utility trailers, and boat trailers. Whether you're replacing a worn-out axle or building a custom trailer, it delivers the strength and reliability you need.

Axle Specifications

• Load rating: 3,500 lbs (3.5K)
• Axle type: Idler
• Tube diameter: 2 3/8" straight axle tube
• Bolt pattern: 5x4.5"
• Stud size: 1/2"-20 × 1.99" (press-in)
• Tire compatibility: Fits 13"–15" tire & wheel assemblies
• Spring mount: Underslung (lower ride height)
• Product weight: 54 lbs
• Compatibility: Direct replacement for Dexter, AL-KO, Lippert, and Hayes axles

What’s Included (Pre-Assembled Internal Components)

• 3.5K TK Axle Beam — 2 3/8″ tube
• 3.5K TK Axle Hub — 5×4.5 or 5×5 lug
• 3.5k (3500 lb Capacity) Bearing Kit - includes:
  • 10-19 Grease Seal 2.565" O.D 1.719" I.D
  • L44649 Outer Bearing 1.063" I.D
  • L68149 Inner Bearing 1.378" I.D
  • L44610 Outer Race 1.98" O.D
  • L68111 Inner Race 2.362" O.D
  • Cotter Pin (standard spindles)
  • Grease Caps with Rubber Plug 1.99"
    
• 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 the axle via zerk fitting without removing the hub

Ideal For

• RV builds or replacements
• Utility trailer conversions
• Boat trailer upgrades
• Cargo & equipment trailers

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 Straight Idler Trailer Axle today and get back on the road with confidence!