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Replacement Castle Nut and Washer Trailer Hub HD1377  

Updated 02/03/2026 | Published 07/22/2024

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Question:

im looking for a bearing washer and nut for a HD1377 hub can you help

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Expert Reply:

Hey Todd, since we know the trailer hub HD1377 that you referenced is a 3500 lb axle trailer hub the spindle washer part # SW1000 and the castle nut part # 165686 would be what you'd need.

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Jameson C
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Etrailer Expert

Jameson C.

2/3/2026

Hey Todd, how did the spindle washer and castle nut work out for your HD1377 hub? Knowing how the fit turned out could help others matching parts for the same axle.

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