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 $141.99

Online price only

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4.7
Rated 4.7 out of 5 stars
279 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 279 reviews
Total 5 star reviews: 231 Total 4 star reviews: 24 Total 3 star reviews: 12 Total 2 star reviews: 4 Total 1 star reviews: 8
279 reviews
  • JS
    Jorge S.
    Verified Buyer
    22 seconds ago
    Rated 5 out of 5 stars
    Very happy with the product.

    I ordered the trailer axle and had the leaf spring supports modified to fit my trailer. They modified it and it came out perfect!! Installation was extremely easy. Everything lined up perfectly. Love the fact that lug nuts were included (was not expecting) along with the grease fitting on the hubs.

    Priced was excellent and shipping was fast.

    Extremely happy with the product and the whole process. Thank you!!

  • CA
    chad a.
    Verified Buyer
    1 hour ago
    Rated 5 out of 5 stars
    Item as described

    Item as described

    Bolted right up with no issue.

    Price was good as well.

  • RP
    Robert P.
    Verified Buyer
    3 days ago
    Rated 5 out of 5 stars
    Axle

    The axle is much better quality than the o e that came on the trailer. I am satisfied

  • C
    Chris
    1 week ago
    Rated 5 out of 5 stars
    5 Stars

    Item was built exactly to specs and came early

  • TS
    Tim S.
    Verified Buyer
    1 week ago
    Rated 5 out of 5 stars
    Trailer fix

    Perfect fit great price and fast shipping