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

Online price only

Regular price $139.99

Online price only

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4.7
Rated 4.7 out of 5 stars
337 Reviews
Shipping: Calculated at Checkout
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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 337 reviews
Total 5 star reviews: 282 Total 4 star reviews: 26 Total 3 star reviews: 14 Total 2 star reviews: 6 Total 1 star reviews: 9
Reviews Summary
Customers say these trailer axles install quickly and fit precisely when measured correctly. Users appreciate the included lug nuts, grease fittings, and spare dust caps. Many mention the solid construction and competitive pricing. Common feedback includes satisfaction with the welds and materials. Customers frequently note that dust caps arrive damaged during shipping, though extras are provided. Several highlight helpful customer service for custom orders and measurements.
Customers Talked About
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337 reviews
  • KJ
    Kimberly J.
    Verified Buyer
    8 hours ago
    Rated 5 out of 5 stars
    Great product and great customer service

    My order had a small issue and I was contacted immediately by customer service to resolve it. Fast shipping and affordable.

  • SM
    Sean M.
    Verified Buyer
    23 hours ago
    Rated 5 out of 5 stars
    Solid

    Fabricated to last!

  • KS
    Kristi S.
    Verified Buyer
    Yesterday
    Rated 5 out of 5 stars
    GREAT PRICE

    Great price for the quality!

  • DS
    David S. R.
    Verified Buyer
    2 days ago
    Rated 3 out of 5 stars
    Didn’t fit

    The axle was a little bit too long for my application and it’s too expensive to send back. $139 for the axle and 137 to send it back.

    The Trailer Parts Outlet
    4 hours ago

    I apologize for the inconvenience. Thank you for the feedback.

  • CB
    Charles B.
    Verified Buyer
    2 days ago
    Rated 5 out of 5 stars
    Custom axle

    Came in perfect condition!

    It was a custom build and it was made and shipped in two weeks.

    Fit perfectly on my boat trailer!