Spindle Nut for Axles with 7/8" - 14 Castle Nut

Spindle Nut for Axles with 7/8" - 14 Castle Nut

Item # 165931

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Accessories and Parts 165931 - Spindle Nut - Redline
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  • Trailer Spindles
  • Spindle Nut
  • Redline
  • 7/8 Inch I.D.
Call 800-298-8924 to order Redline accessories and parts part number 165931 or order online at etrailer.com. Free expert support on all Redline products. Guaranteed Lowest Price and Fastest Shipping for Spindle Nut for Axles with 7/8" - 14 Castle Nut. Accessories and Parts reviews from real customers.


  • All Info
  • Reviews (20)
  • Q & A (9)
  • Videos (1)
  • Photos
  • Why etrailer?

Redline Accessories and Parts - 165931


  • Fits Axles with 7/8" - 14 castle nut
  • Qty. 1 spindle nut

164600 Redline Spindle Nut





Video of Spindle Nut for Axles with 7/8" - 14 Castle Nut


Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Redline Trailer Spindles 165931 Review


Customer Reviews

Spindle Nut for Axles with 7/8" - 14 Castle Nut - 165931

Average Customer Rating:  4.8 out of 5 stars   (20 Customer Reviews)


- 165931
by:

I got exactly what I ordered. In a world where that big box website is the competition, this came extremely fast. I was pleasantly surprised to see the parts show up in a few days. 666821



- 165931
by:

Excellent product and value 638252



- 165931
by:

Needed a spare castle nut to go with my spare hub. ETrailer had the part and I received it within three days. Can always depend ob etrailer for parts and pieces. 526849



- 165931
by:

Please be advised all of you that take a few moments to read this ! ! ! Delivery and quality and price are FIRST CLASS ! ! ! Some thieves at a local store in South Carolina charge almost 20 times as much of the price for this item. ROBBERS ! ! ! ! Although this is a small entity - it brings up the saying "BUYER BEWARE" 399378



- 165931
by:

product was described accurately! speedy delivery! very happy with transaction! 399238



- 165931
by:

All the parts Hubs , Bearings and trailer tires come in perfect condition and on time delivered. I will shop again from Etrailer. The prices was better than other places. 325002



- 165931
by:

Fast shipping 295391



- 165931
by:

They worked just the way i would expect. 291759



- 165931
by:

7/8 just as ordered 272823



- 165931
by:

Good product, price and communication. 224343



- 165931
by:

good product great shipping and track ing 221050



- 165931
by:

Ordered and received two 7/8 x 14 castle nuts- these may technically be called slotted but whatever. Everything was good, no issues. 218570



- 165931
by:

Wow, thanks. Couldn't find one away where. 200289



- 165931
by:

Very happy, it's a good product. Very fast shipping. 159793



- 165931
by:

The spindle nut I ordered was the incorrect size. Should have shown the 1 inch spindle nut on the page as well as the 3/4 inch. I had no idea there was more than 1 size. The grease seals worked perfectly. 151341



- 165931
by:

Two orders in last two weeks both came in 2 or 3 days product was good and I am happy with etrailer and their service. 145363



- 165931
by:

Fast shipping- new hub. Replaced China bearings with high load Japan bearings from NAPA. Cheap CHINA bearings were the reason I had to replace the hub ! 110846



- 165931
by:

They were perfect thank yal 90701



- 165931
by:

good 37885



- 165931
by:

products were excelent and service great and you were the only company to carry the axle nut i was starting to worry but you had it and the washer it the little things that count thanks john l 18622


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Ask the Experts about this Redline Accessories and Parts

Do you have a question about this Accessories and Part?


  • Spindle Nut with 1-1/2-Inch Inside Diameter
  • We offer several sizes of spindle nut shown on the linked page. One of these, part # 6-96, has an inside diameter of 1-1/2-inches and a fine thread.
    view full answer...

  • Available Sizes of Spindle Nuts and Nut/Washer Kits
  • The smallest spindle nut/washer kits we carry are for 1-inch spindles like # R104BT8 which are typically found on 2000-lb axles. We do offer a 7/8-inch inner diameter spindle nut # 165931 by itself but nothing for a 3/4-inch spindle as might be found on a small import trailer.
    view full answer...

  • Replacement Seals and Castle Nut for 2000-lb Dexter Axle with EZ-Lube Spindles and 5-Lug Hubs
  • The best way to identify replacement grease seals (and bearings and races) is by the original part reference number. The linked photo shows the typical location and appearance of these part numbers. It can be a bit of work to get the parts clean enough to read the part numbers, but this is the preferred method. The alternative is to take precise measurements (of the seal itself or the spindle) using a digital caliper. You can then use the seal's part number or its inner and outer dimensions...
    view full answer...

  • Washers Compatible With 7/8 Inch Castle Nut
  • For castle nut # 165931, for a D washer use part # 5-23 or round washer use part # SW1000. These are both for 1 inch spindles but are compatible with the 7/8 inch castle nut assemblies. You can also use the Replacement Spindle Washer - Tang Type for E-Z Lube # 5-101.
    view full answer...

  • Availability of a Replacement Castle Nut for Trailer Spindle
  • We have a few options that could work for you, but you will need to measure the threads of your spindle to determine which would work. For a 1 inch spindle nut you would need the part # 165686, for a 7/8 inch nut you would need part # 165931. These are the two most popular sizes.
    view full answer...

  • Replacement Trailer Hub Components for Trailstar Trailer with Idler Hubs
  • Hubs that use # L44649 inner and outer bearings are idler type hubs like # AKIHUB-440-2-2K. The correct matching race is indeed part # L44610. We offer these as individual parts but we also offer a complete bearing kit # BK1-150 that includes bearings, races, grease seal with o-ring, tang spindle washer and cotter pin. For a D washer use part # 5-23 and for a castle nut use part # 165931.
    view full answer...

  • Replacement Spindle Jam Nut for EZ Loader Boat Trailer with Grease Zerk at End of Spindle
  • The thread diameter of spindle jam nut # 6-191 is 1 inch. If you do need a 3/4 inch then this nut will not work, though it is for EZ lube spindles that have the grease zerk at the end. We do not have a 3/4 inch jam nut. The closest match is a 7/8 inch castle nut # 165931. You can double check the measurement by using dial or digital calipers to measure the diameter of the threaded part of the spindle. It if turns out to be 1 inch then you can use # 6-191.
    view full answer...

  • Height and Wrench Type of Spindle Nut for Axles with 7/8 - 14 Castle Nut
  • I reached out to the manufacturer who told me the Spindle Nut for Axles with 7/8" - 14 Castle Nut # 165931 who told me the height is 3/4 inch and wrench size is 1-1/4 inch. I've added a link to a video review for you to check out as well.
    view full answer...

  • How Tight Should Spindle Nut Be When Installed
  • If you are talking about a castle nut when installing bearings on a wheel you will want to make sure the hub is seated properly, back off the castle nut until it is loose. Then tighten the castle nut until it stops and look where the cotter pin hole lines up with one of the notches on the nut. If you have a tang washer you will need to do this by sight. Next, you will want to back the nut off one notch, so that the cotter pin will fit through the castle nut. Then install the cotter...
    view full answer...


Do you have a question about this Accessories and Part?




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Info for this part was:

Installed by:
Jeff D
Expert Research:
Jameson C
Expert Research:
Adam R

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