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 $196

Online price only

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4.7
Rated 4.7 out of 5 stars
307 Reviews
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Axle Options:
Hubface/Spring Center:



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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 307 reviews
Total 5 star reviews: 258 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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307 reviews
  • HE
    Hury E.
    Verified Buyer
    21 seconds ago
    Rated 5 out of 5 stars
    Dexter compatible Axle

    Fast delivery. Had to special order spring center width…….. Parts fit and worked great!

  • CR
    Curtis R.
    Verified Buyer
    3 days ago
    Rated 5 out of 5 stars
    Great value

    Best price around!!

    The Trailer Parts Outlet
    Yesterday

    Great to hear you found the best price around with our 3.5k TK Trailer Axle, Curtis! We're thrilled you're happy with the great value. Thank you for your business and your 5 star review!

    Anna Nicholas
    (936) 935-2186
    The Trailer Parts Outlet

  • CP
    Chance P.
    Verified Buyer
    6 days ago
    Rated 5 out of 5 stars
    Happy customer

    Everything was a perfect fit! Would definitely recommend using them for any trailer needs

    The Trailer Parts Outlet
    Yesterday

    Great to hear everything was a perfect fit with the 3.5k TK Trailer Axle, Chance! We're thrilled you're happy with your purchase and would recommend us for trailer needs. Thank you for your business and your 5 star review!

    Anna Nicholas
    (936) 935-2186
    The Trailer Parts Outlet

  • DS
    David S.
    Verified Buyer
    1 week ago
    Rated 5 out of 5 stars
    EXCELLENT PRODUCT

    no problem axle worked pefect went together excellent .I delt with you guys a couple years ago for electric trailer brakes great people to work with I WOULD RECOMMEND YYOU TO ANY ONE

  • MM
    Marshall M.
    Verified Buyer
    1 week ago
    Rated 5 out of 5 stars
    Perfect fit

    Easy installation wish it came with leaf spring bolts but it seems like a good kit, just drove it 300 miles and it pulls so much better now