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

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

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

SKU : 35IDTK6146545

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Regular price $139.99

Online price only

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4.7
Rated 4.7 out of 5 stars
300 Reviews
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Custom Axle Reference Guide


Custom Axle Reference Guide
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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: 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

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!

4.7
Rated 4.7 out of 5 stars
Based on 300 reviews
Total 5 star reviews: 251 Total 4 star reviews: 25 Total 3 star reviews: 12 Total 2 star reviews: 4 Total 1 star reviews: 8
Customers Talked About
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300 reviews
  • EW
    Edward W.
    Verified Buyer
    22 seconds ago
    Rated 5 out of 5 stars
    Great

    Direct fit

  • RL
    Ronald L. M.
    Verified Buyer
    Yesterday
    Rated 5 out of 5 stars
    Trailer Axel

    The Trailer Parts Outlet sent me exactly what I ordered very quickly at a good price. I really appreciate the wonderful service. Complete satisfaction.

  • CW
    Christopher W.
    Verified Buyer
    3 days ago
    Rated 5 out of 5 stars
    Idler axle

    Very nice people to work with and very helpful

  • JG
    Jimmy G.
    Verified Buyer
    1 week ago
    Rated 5 out of 5 stars
    73/58

    Great customer service

  • RD
    Rob D.
    Verified Buyer
    1 week ago
    Rated 5 out of 5 stars
    Idler axle

    Idler axle is great. No problems