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3.5K LB Tk Trailer Axle – Idler Hub Version, 5-Lug Dexter-Compatible

Price range: $68.66 through $100.00

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Description

3.5K straight idler trailer axle with 5×4.5 bolt pattern

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: 5×4.5″
  • 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

Why Buy from The Trailer Parts Outlet?

  • This Axle is proudly manufactured in the U.S.A.
  • Fast shipping — 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 Straight Idler Trailer Axle today and get back on the road with confidence!

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Additional information

Axle Options:

Axle, Kit, Single Axle TK Trailer Kit, Upgrade to Complete TK Trailer Kit

Hubface/Spring Center:

61/46, 73/58, 85/70, 89/74, 95/80, Custom Spring Center (+3 Day Build Time), Custom (+2 Week Build Time)

Bolt Pattern:

5×4.5, 5×5

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