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Euclid · Hardware & Fasteners
5988
In stock · ships from Knoxville
This is an inner cap nut (also called an inner lug nut) designed for use on dual aluminum wheels, specifically for the right-hand (RH) side of a heavy-duty truck or trailer.
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Designed for stud-piloted (Budd) dual aluminum wheels. Replaces Alcoa 5988R, Dayton 13-2026R, BWP M2400, Euclid 5988R, Leland W486. Right-hand thread. Not suitable for hub-piloted systems.
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It threads into the outer Budd nut to secure the inner wheel against the hub. You replace these when threads are damaged, when the nut is cracked or corroded, or during routine wheel-end maintenance to ensure safe and even clamping force on the wheel assembly.
Part Number: 5988
INNER NUT ALUM TO ALUM RH
Unit: ea
Dealer: Knox Trailers
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