3.5k TK Trailer Axle - 3500 lb Idler 5 Lug - (4" Drop)

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3.5k TK Trailer Axle - 3500 lb Idler 5 Lug - (4" Drop)

3.5k TK Trailer Axle - 3500 lb Idler 5 Lug - (4" Drop)

SKU : 35IDDROPTKST7300545

Online price only

Regular price $237.99

Online price only

SAVE 0% (833) 910-3416
4.4
Rated 4.4 out of 5 stars
38 Reviews
Shipping: Calculated at Checkout | Product Wt. 53.0 lb
Axle Options:
Hubface/Spring Center:
Bolt Pattern:
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  • Product Information
  • Reviews

3.5K 4″ Drop Idler Trailer Axle — 3,500 lb capacity | 5x4.5 bolt pattern | Fully assembled

Upgrade your trailer with this 3,500 lb 4″ drop idler trailer axle. The 4 inch drop lowers your deck height for easier loading and a lower center of gravity, and the spring seats ship loose so you can set your exact spring center during installation.

Axle Specifications:

  • Load rating: 3,500 lbs (3.5K)
  • Axle type: Idler
  • Tube diameter: 2 3/8" axle tube
  • Drop: Standard 4" drop
  • Hubface/Spring Center: 73" hubface / loose spring seats
  • Bolt pattern: 5x4.5
  • Stud size: 1/2"-20 × 1.99" (press-in)
  • Tire compatibility: Fits 13"–15" tire & wheel assemblies
  • Spring mount: Loose spring seats (ship unwelded so you can set your exact spring center)
  • Compatibility: Direct replacement for Dexter, AL-KO, Lippert, and Hayes axles

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

What’s Included (Pre-Assembled Internal Components):

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 4″ Drop Idler Trailer Axle today and get back on the road with confidence!

4.4
Rated 4.4 out of 5 stars
Based on 38 reviews
Total 5 star reviews: 29 Total 4 star reviews: 3 Total 3 star reviews: 1 Total 2 star reviews: 1 Total 1 star reviews: 4
Customers Talked About
38 reviews
  • HR
    H. R. J.
    Verified Buyer
    22 seconds ago
    Rated 5 out of 5 stars
    Thank you for the fast delivery

    Thank you for the fast delivery I will install as soon as I have the time.

  • PW
    Peter W.
    Verified Buyer
    2 weeks ago
    Rated 5 out of 5 stars
    Axel

    Easy ordering process and it bolted right up!

  • JC
    jay c.
    Verified Buyer
    1 month ago
    Rated 5 out of 5 stars
    axle

    great service and quality parts

    The Trailer Parts Outlet
    3 weeks ago

    Hello Jay,

    Thank you for taking the time to share your positive experience with the 3.5k TK Trailer Axle. We're delighted to hear that you were pleased with both our service and the quality of the axle. It's wonderful to know that our product met your expectations for your trailer needs.

    We sincerely appreciate your business and your kind words!

  • BB
    Brent B.
    Verified Buyer
    1 month ago
    Rated 4 out of 5 stars
    Good Value

    Seems to be what I expected. Coating may have still been tacky when packaged as paper stuck to some parts. Finish is rough but I assume most people prep and repaint anyway.

    The Trailer Parts Outlet
    1 month ago

    Thank you for your feedback and your business!

  • B
    Brad
    1 month ago
    Rated 1 out of 5 stars
    1 Star

    The order was lost in shippment, when it finally was delivered it was the wrong size axle. I ordered the 73" and they shipped the 65" . They will be getting a call.