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Trailer spindle nuts are small parts that make a big difference. Our spindle nut options help you set bearing preload and secure your hub hardware — so your castle or jam nut stays put. Family‑owned since 1962, Husky Trailer Parts Co. is here to help you pick the right axle spindle nut for your rig.
Find the Right Fit the First Time
To find the right size, match the spindle nut's thread diameter and pitch to the threaded section of your spindle. Need a spindle locking nut solution? For E‑Z Lube systems, use the jam‑nut plus trailer spindle nut retainer stack for secure, fine bearing adjustment.
Our collection of spindle nuts includes:
- Dexter 1" spindle/jam nut for EZ Lube axles: A precise-fit spindle nut for the E‑Z Lube setup — pair with the matching retainer for fine adjustment.
- Trailer spindle nut retainer (E‑Z Lube): A cage‑style retainer washer designed for 1" D‑shaped spindles — it's used with the jam nut for positive lock-up, no cotter pin required.
- 1‑1/2" Dexter spindle castle nut: A heavy‑duty axle spindle nut for 9,000- to 10,000-lb general‑duty Dexter axles — it secures with a tang washer (sold separately).
Add Spindle Nuts to Your Cart Now
Get everything you need to keep your trailer running reliably, mile after mile. Shop spindle nuts by size and system — spindle nut, axle spindle nut, spindle locking nut and trailer spindle nut retainer options. Rely on our Texan expertise. Order now!
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