Genuine Ridgid replacement part, this item is sold individually. The 83872 is used in the Ridgid Vacuums that have a threaded end on the Filter Cage. Its purpose is to secure the filter and filter cage together.
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★★★★★
★★★★★
Just what I needed
I was looking for a locknut that secures the filter in my Rigid wetvac. I bought the wetvac in 1992 and was worried if I could find the part. E replacement parts had just what I wanted.
Guest - June 8, 2019
Verified Purchase
★★★★★
★★★★★
Exact Replacement.
Just what I needed. Easy to get. Perfect.
Guest - October 19, 2019
Verified Purchase
★★★★★
★★★★★
Replacement part
Part fit perfect , easy to install
Guest - November 1, 2019
Verified Purchase
★★★★★
★★★★★
Works great!
Was packaged good, shipped with no issues, will purchase from the company again in the future.
Guest - December 11, 2019
Verified Purchase
★★★★★
★★★★★
Part worked as expected
This is the second time I have used eReplacementParts. They arrive quickly and are the right parts that I could not find elsewhere.
Guest - June 2, 2020
Verified Purchase
★★★★★
★★★★★
Easy repair fast service
The part came within the time frame. Was clean and installed it no problem.
Kevin - May 26, 2020
Verified Purchase
★★★★★
★★★★★
Great
Perfect fit
Guest - June 12, 2020
Verified Purchase
★★★★★
★★★★★
Arrived in an instant
The website was easy to use. The part arrived very quickly and in perfect condition. My only problem was that I ordered the large filter nut but I actually needed the small nut. My fault.
Guest - June 23, 2020
Verified Purchase
★★★★★
★★★★★
Great.
The part was perfect and got it when expected. Good competitive prices.
Guest - July 22, 2021
Verified Purchase
★★★★★
★★★★★
Replacement parts fit
Replacement parts fit perfectly. Cage for filter mount was discontinued and replacement was right fit.
Stefan - August 19, 2025
Verified Purchase
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Easy to fix. Not the fastest delivery, but it was all that I needed. Glad I found the website. Better than guessing at the big box stores for the parts.
Just put new filter on vacuum, installed new nut, good as new!!! The biggest surprise was that I ordered the right part and you guys had it!! Very happy!!!
purchased three filter nuts to ensure that I always have one for the vacuum filter. Just screwed the nut in place. put the others away in a safe place for when someone throws the filter nut away
This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Mail-In Recycling Rebate
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
_WW_1.gif "Part Location Diagram of 83872 Ridgid Filter Nut")
_WW_1.gif "Part Location Diagram of 83872 Ridgid Filter Nut")
