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Replacement seal for transmission shaft in 110.92380200 Kenmore washer?


Premium Member
May 24, 2023
Model Number
Sears Kenmore
More than 10 years
Hello all, I picked up a "good working" Kenmore washer off Craigslist which does indeed work well, except the seller somehow neglected to mention that the transmission is dripping oil. Rather than replace the whole transmission ($$$) I'd rather just take the gearbox apart, replace the bad seal, and refill with fresh oil. Can someone help me identify the correct replacement seal part number so I don't order the wrong one? I guess there are probably two seals, top and bottom, and I'd like to replace both.

Also, are there any special tools required for seal replacement, and what oil would you recommend using to ensure long service life without breaking the bank? Don't really want to spend $30(!) for 16oz of oil. What is the oil capacity of the gearbox and what viscosity is it? Thanks in advance.
That one you linked to is the upper basket drive seal, if its leaking oil you need the lower shaft seal in the transmission.

Here's the transmission shaft seal:
WP356427 Shaft Seal

Here's the video:

This is the upper seal in the basket drive:

Thanks man I appreciate your help. I spent all day reading and researching and this and finally figured it out. I'll put all the info here in case somebody else does a search and finds this thread.

This is for the 3360630 (aka 3360629) transmission which is the standard Whirlpool "Direct Drive" (aka "Design 2000") unit found on virtually all Whirlpool-manufactured washers from 1986 to 2007. Part number 285352 is the input shaft seal. 3349985 is the seal for the output shaft. There is also a spin seal inside the transmission, which is p/n 356427 listed above. See attached PDF for all part numbers for this transmission. Ebay has the best prices I've seen by far; all of the different part sales websites are priced sky high.


  • Whirlpool-gearcase.pdf
    100.6 KB · Views: 36
Thanks Dave!

As techs we would always replace the entire transmission, I've never myself just replaced the seals in them.
I was reading a thread elsewhere in which they were discussing problems with the new replacement direct drive transmissions manufactured in recent years. Apparently the tooling Whirlpool uses to build the units is worn out, especially for the housing casting, and they aren't interested in investing in new tooling. There were many reports of new transmissions making terrible noises right out of the box. Some commentors said they never buy new transmissions anymore because of this. I highly recommend all techs to learn how to rebuild these gearboxes and stockpile replacement parts for them. Haven't torn mine apart yet but from what I'm seeing they are dead simple to rebuild. FYI
Just thinking on this further, at first glance it may seem wrong from a certain perspective to put any kind of extra effort into older machines that are continuing to age and will eventually be replaced anyway. There are larger factors at work though, and very practical reasons to get more into this type of work.

I have studied deeply into economics for many years and it's obvious this country has been in a prolonged economic contraction that has only been kicked into high gear by the COVID fiasco, which has put countless people, companies, and entire industries out of work. It's going to get much worse before it gets better.

At the same time it's also clear that appliances today aren't built as well and often don't function as well as they used to. They are very expensive to purchase and maintain. They don't last, and the repair costs can be astronomical, just from parts cost alone. This is also going to get worse, and won't be getting any better. This is why I have a hard cut-off date of 2007-2008 for appliances (including automobiles and any other 'consumer' appliances) that are to be invested in and used long term in my household. Not coincidentally, that's when this current long term economic malaise began in earnest. I see the hell people are going through out there with late model junk and want no part of it.

The average person is tapped out and living off credit cards and home equity. That's the only way they can afford to keep spending so much. All that's in the process of drying up as we speak. The road ahead will be catastrophic to the 'consumer' economy and lifestyle. Many people simply won't be able to afford the repair bills or purchase price of newer appliances--and the tried and true older models will increasingly be in demand by the wise ones.

Likewise, there's only so much of this "high efficiency" garbage that people will stand, when it starts seriously cutting into their quality of life. There will be a backlash against that.

It's obvious by the high 5-year failure rate alone that old school appliances last much longer than the new junk, and work better also, so that's what I prefer to keep and use for the long term. $500 for a circuit board? Not on your life. Others will increasingly feel the same way, although those most caught up in the "keeping up with the Joneses" mentality will of course be the last to learn.

In a way this whole "appliance repair industry" is new to me, a completely unfamiliar thing, because I didn't grow up in a household that called the repairman when something broke; or ever, at all. I was taught to fix it myself, because a) I can do a better job than the repairman 98% of the time, and b) it costs too much anyhow. I was taught to invest in quality equipment, lots of tools, plenty of spare parts, and always be increasing my skillset so I can do every job, no matter how complex.

I've also been fortunate to spend many years hanging with the O.G. hot rodding crowd in central Tennessee, home of moonshiners and whiskey cars, learning all about building, fabricating, rebuilding engines and transmissions, wiring, electronics, all of it. My favorite automatic transmission is the TH-400; it's child's play to rebuild. A washer transmission? I could do at least a dozen of those a day, and love every minute of it.

Others who disagree with this philosophy will prosper for a time, as long as the credit cards and spare parts hold out, but will have to learn the hard way when things get really tough. In 10-15 years, only the techs who can truly fix things rather than just swap parts will still be around.

My $0.02
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