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
  • light duty single axle kit
  • 3500 lb TK Single Axle Trailer Parts Kit (Complete Original Series)
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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

$139.99

Online price only

SAVE 0% (833) 910-3416
4.7
Rated 4.7 out of 5 stars
321 Reviews
Shipping: Calculated at Checkout
Axle Options:
Hubface/Spring Center:



Custom Axle Reference Guide



Custom Axle Reference Guide


Custom Axle Reference Guide
Bolt Pattern:
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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 321 reviews
Total 5 star reviews: 271 Total 4 star reviews: 25 Total 3 star reviews: 13 Total 2 star reviews: 4 Total 1 star reviews: 8
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.
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321 reviews
  • BM
    Buchanan M.
    Verified Buyer
    22 seconds ago
    Rated 5 out of 5 stars
    Axle

    Good quality build , delivered fast

    Was this helpful?
  • DM
    Douglas M.
    Verified Buyer
    3 hours ago
    Rated 5 out of 5 stars
    Akle

    My son n I googled for an hour n he found this store. The trailer I own went out of business. No one carried the size e needed. Then we found this store. They had the exact size. The price was excellent as was the service. I would def consider buying from this store. I added them to my favorites. I

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  • MW
    Matthew W.
    Verified Buyer
    14 hours ago
    Rated 5 out of 5 stars
    Awesome buy

    Cheapest deal I found on a quality axle. Came with new lug nuts and grease cap. Great Purchase!

    Was this helpful?
  • SC
    Steve C.
    Verified Buyer
    Yesterday
    Rated 5 out of 5 stars
    3.5k Trailer Axle arrived as described

    Very timely delivery. Have not installed yet, but measurements and lug pattern are correct. I would suggest that some sort of thread protectors be installed on lug nut studs to prevent damage. I will have to dress up the threads on several studs.

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  • CM
    Cory M.
    Verified Buyer
    2 days ago
    Rated 5 out of 5 stars
    Fast shipping. Quality parts

    Items arrived fast and we're top notch quality. Wish shipping was cheaper but thats a full axle and wheel package, so not terrible.

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