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Double lip grease seal fits Dexter 3,700-lb to 4,200-lb marine axles using the Vault hybrid oil lubrication system.
Features:
Seal numbers are not always listed the same way across axle and hub brands, so the cross-reference data gives you another way to confirm the replacement before the hub comes apart. This grease seal matches the following common seal numbers:
| Brand | Part Number |
|---|---|
| Chicago Rawhide/SKF | -- |
| Dexter | K71-292-00 |
| Lippert | -- |
| National/Timken | -- |
| NOK | AD2527E |
| Transcom | AB16255 |
Use a digital caliper and measure to the nearest thousandth of an inch.
Measure each location in a few spots to check for wear or an out-of-round surface. Match both measurements to the replacement seal.
Customer Satisfaction Score:
99% were satisfied with this product
1% of customers were not satisfied
Ratings & Reviews
Good shipping and communication. Have made multiple orders through e trailer and all have been simple and they found what I needed
I replaced three old seals in the last one year with these in my twin axle EZ Loader trailer . All of them are holding on well till date. Keeps the grease inside the hub and no leaks found. Works with SS sleeve, in addition.
Everything was as ordered. Grease Seal part number 168255tb was the same seal included in bearing kit BK2-100.
The description of 168255tb was not the same as the description in kit BK2-100.
I would not have wasted my money on the 2 extra seals if I would have know they were the same
Victoria B.
3/27/2020
The seal that comes in the BK2-100 kit has a slightly larger diameter than this seal, and that kit typically fits a 3.5K axle. This 168255TB seal is designed specifically for Dexters 3.7K Marine axle.
If you need parts , they have what you need and you can get parts pretty fast, I use etrailer for my boat trailer needs. Love the their service dept
These were hard to find, odd size I guess. etrailer came through with quick shipping and they fit perfect. Holding up well so far.
Paul S.
10/13/2017
Perfect. Have held up over a number of long trips.
Always great service with parts needed! Don’t go to the parts store when you can have exact components from etrailer!
What I needed and arrived faster than e xpected
No part number on my boat trailer seal. I measured inside and outside diameters with a digital caliper and it was really simple to match it up at etrailer.com. It fit perfectly. Price was great and delivery time was extremely fast.
James
6/6/2017
No problems at all!
Not much to say about a hub seal. It fits and the delivery was very fast.
Perfect fit for my 2000 EZ Loader tandem axle trailer and Skeeter.
eTrailer, if you're listening, please become a trailer parts expert that has a cross reference listing for trailer parts by manufacturer. I asked if this was the right seal and was told to pull the old seal for the part number on it. The problem was I suspected that the hub had the wrong seal on it, which I confirmed when I replaced it with this part. Using the part number from the existing seal would not have fixed the problem in this case. I had to do my own leg work and find the most likely candidate for the correct seal and take the gamble that I had the right one. Glad my research was correct. Please build your own cross reference of the major manufacturers so that you can be the expert in all things trailer. You have the other stuff covered.
Patrick B.
9/12/2014
Seals are kind of a pain. Even if a cross-reference sheet was built which is difficult because seals dont use common part numbers like bearings, if the incorrect seal was used like in your case, the cross-reference would only direct you to another incorrect seal. The absolute best way to determine which seal is needed is to measure 2 things with a dial caliper. Measure the seal surface on the spindle, that will give you the seal ID. Measure the diameter of the seal surface on the hub and that will give you the OD of the seal. With the ID and OD of the seal, it becomes very easy to find the seal, even on our site.
Ed P.
3/21/2015
Correction to my original review. I had one hub that was replaced on my trailer before I acquired it. This seal worked for that hub, but not the original hubs.
Seals appear to be of good quality and fit well.
Great quality and perfect fitment.
Quality seal. Exactly what I wanted.
Perfect fit for my axle, it’s been over a year since installed and no leaks
The hub that was sent the inner bearings do not fit. The old hub bearings and the new hub bearings are identical same numbers even. Even if I had been given the correct hub the new bearings do not fit in the inner hub?? I did call And one of the customer service people helped me through confirming this she gave me her extension. I left her a message she was helpful.
great item...and service!
Very good service and very knowledgeable about trailer axles , solved my issues with getting me the correct parts, thanks
Great service and quick shipping
Everything came in on time.All parts fit as expected . Tyler B.was easy to work with and helped me select the parts I needed.
John F.
5/8/2026
Product is working as intended. Had the boat and trailer back and forth,Mechanics,launch ramp,etc.
Heather A.
5/9/2026
Good seal for my boat trailer hubs.
I converted a boat trailer into a flatbed ATV/UTV trailer. My boat trailer has some different seal dimensions than a normal 3500# axle. These seals saved the day and fit perfectly into standard 3500# hubs for my trailer. Thanks!
Mary
3/19/2014
Trailer works perfectly thanks to you guys!Whenever I need a trailer part, I look to you guys first.
Great parts fast shipping
Fits Dexter 3,700-lb marine axles as described on dimensions, for a 1.68" diameter shaft. Note that many 3500 lb axle shafts measure 1.72" diameter, so don't buy the incorrect seal, as both seals' outside diameters are the same 2.561" OD.
All parts were a perfect fit. Im glad etrailer had all the parts I needed.
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Shelby
5/16/2020
Called e trailer they cross referenced my parts and got me what I needed when no one else could