Top Rated in Toilet & Urinal Parts

Compare the most helpful customer reviews of the best rated products in our Toilet & Urinal Parts store. These products are shortlisted based on the overall star rating and the number of customer reviews received by each product in the store, and are refreshed regularly.

Top rated products in Toilet & Urinal Parts

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4.7 | 2,371 customer ratings
94% of the ratings are 4-stars or 5-stars
This turned out to be less than a ten minute repair, mainly because I was replacing the same part that had quit filling the tank properly after 12 years of use.

If you are in this same situation, note that as long as the base that connects to the water supply is in good shape (likely), you can just slide the lock ring toward
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By rsbaker0
Purchased this item, and watched a "how to" video on YT. Drained the toilet tank.. Took the old part out, put this baby in its place. No problems at all! The kicker is, due to injury, I did this one-handed! So, yes, it's easy! Later, the toilet hissed and ran a bit, due to float valve needing a turn. Turning it solved that
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By Bindy Sue Frønkünschtein
Replaced the fill valve on my Kohler Wellworth Round Toilet. It's an OEM part, so it fits and works just fine. However, it's also the same design as the fill valve that had to be replaced and that is a bit of a problem, as my toilet is only a couple years old. I didn't expect to have to replace the fill valve so soon, particularly at
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By Cautious
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4.7 | 2,089 customer ratings
92% of the ratings are 4-stars or 5-stars
This is an excellent product, and seeing as how I had two Kohler toilets with the same problem, this was 100's of dollars cheaper (and easier) than calling a plumber. They even came with instructions, a first rate product. A few clarifying tips:

1) When you turn the valve stem inside the cylinder 1/4 turn counter-clockwise, the
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By Happy Camper
My wife made the mistake of dropping in-tank (rather than in-bowl) chlorine tablets in our toilets. By the time I noticed, it was too late and the damage was done. One Kohler toilet developed the ubiquitous "ghost flush" issue, where water slowly leaks out of the tank into the bowl, causing the toilet to refill itself from time
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By I buy a lot on Amazon
Didn't seal properly on either of my two Kohler canister toilets. I fought them for about three weeks. I tried cleaning the surfaces and even emptied and cleaned the entire tank out to remove any sand particles that had settled in the bottom over time. I finally went to my local hardware store and searched for a better answer. I tried the
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By S. Neeman
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4.7 | 1,683 customer ratings
92% of the ratings are 4-stars or 5-stars
My original Kohler GP1138930/400a lasted nearly 25 years - amazing longevity. I knew it was dying a slow death when I would hear it fill by itself at night and running long after flushing. I ordered this new valve from Amazon about a week ago. The valve finally quit last night and I shut the water to the toilet off and fixed it today.
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By Rolidnot
The plumbing contractor of our new home (2016) installed WDI Toilet Fill Valves in all 3 bathrooms and in the 2nd week of living in our new home, one of them failed and they came out and replaced it with this Kohler GP1138930 unit and it was so much quieter and performed better than the failed one. Last month another one failed and I just
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By Mark and Melinda
I ordered two of these for my Kohler San Raphael 3466 toilets. Description says "Universal" - not true, it will not allow adjustment to bring the water level high enough to flush. They do not list supported toilet models in description - so order at your own risk. They also do not state up front that this is NON-RETURNABLE - even if
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By Choreo
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4.7 | 725 customer ratings
93% of the ratings are 4-stars or 5-stars
After years of fighting with other major brand parts that were constantly failing, mostly due to my wifes insistance on using those dorp in toilet tank tablets, I finally went with Fluidmaster parts in my master Bath toilet and years later, no issues at all. Now we are redoing the main bathroom and I had to order up a new flush valve as I
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By David Hostetler
My toilet was leaking around the seal on the flapper, so I bought this kit to replace the valve and seal. It worked OK in my American Standard toilet, even though the red gasket caused the tank to sit higher than it had with the original seal.

My issue came because they only supply enough bolts and nuts for a two bolt tank and
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By peppergal
I had a leaky toilet for the past year and a half or so which I ignored so far, the Korky fill valve keeps making a hissing noise and refill every 10 minutes. It was a new valve I bought a little over a year ago and hence I wasn't expecting it to go bad this soon. I did some youtube search and found out my toilet indeed has problems
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By kuttan
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4.6 | 11,169 customer ratings
91% of the ratings are 4-stars or 5-stars
I purchased this Fluidmaster Toilet Fill Valve Kit to replace the original fill valve that came with my toilet (14 years old). I had previously replaced the flapper a few times, but this time the entire fill valve was shot (Noisy, leaking & running). My water bill was running about $5 higher than normal, so this new fill valve will pay
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By Sarasota2k4
So I’m pretty sure I’m the world’s biggest idiot when it comes to plumbing because I bought this thing a half a year ago to replace an old one in my toilet. I tried for a week to get it to adjust right and allow water to fill all the way to the line (which shouldn’t be there because that’s sort of gross and shows how old it is
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By CDizzie
Lasted about 6 months before the valve started leaking, Verified flapper seats properly. Then replaced it anyway.
Tried inspecting, cleaning and flushing the valve seat as per the video. No help. Runs slowly but continuously through the 1/8" plastic refill tube. Then I discovered the following:
If the plastic refill tube
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By JimBoCoUs
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4.6 | 5,125 customer ratings
89% of the ratings are 4-stars or 5-stars
Sooo much better than the Fluidmaster brand it replaced. Let's start with Korky's secure clamp-style connector (vs. the Fluidmaster's hook-style that would dislodge on about 40% of flush attempts and required me to open the tank to snap it back on the bar). Then there's Korky's superior gasket that doesn't leak (vs. the Fluidmaster's poor
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By B. Bautista
Had I just bought a non-adjustable flapper which Korky also sells, this project would have been 2 minutes and done. Included instructions for adjustments (which controls how fast the flapper goes down) was lacking. If you don’t know your toilet’s model #, Korky videos and installation instructions tell you to turn off the water,
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By R W
The toilet was phantom flushing. So, what's the cure? Well, buy a new flapper and your toilet flushing ghost will go away. OK, that's exactly what I did. I purchased this lovely flapper, installed it in a couple of minutes., fiddled with the pointless adjustable thingy until it worked properly, patted myself on the back for a job well
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By bigmomma
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4.6 | 5,051 customer ratings
91% of the ratings are 4-stars or 5-stars
UPDATE 10 July: Well I just bought another one to replace one I had for several years in my guest bathroom, the amount of rust looking silt at the bottom on a tank of "clean" water takes away any wonder why they don't last forever (and why I drink filtered/bottled water). The installation was simple as always and trouble free.
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By Douglas C. Meeks
This model is a definite improvement upon the classic Fluidmaster design. Though not overly noisy, it doesn't sound noticeably quieter than other fill valves.

Where this valve really excels is the rapid refill time. Timing from when I pull the flush handle, it takes just 25 seconds until the valve shuts off. I didn't time my
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By Elmer Cat
I purchased this more expensive fill valve version to replace the Fluidmaster 400A universal fill valve with the expectation that the fill would be quieter and faster, as advertised. In the end it performs identically as the 400A- no noticeable difference in sound and fill time. The main advantage which really every fill valve should
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By Jeff H
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4.6 | 3,359 customer ratings
90% of the ratings are 4-stars or 5-stars
My toilet was running. Replacing the flapper--which looked like a rotting organ infested with tuberculosis--didn't solve the problem.

So I tried cleaning the valve. Didn't work. The valve was older than time itself. My house was built in the 50's and I question if it's been changed since then.

So replacement. Old
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By Joe
While "quiet" isn't exactly the word I would use the describe it, it is without a doubt less noisy than the ol' gray and black Fluidmaster 400 series. Installs exactly the same way. Turn off water to the toilet, flush the toilet and remove all the water from the tank, unscrew water inlet line from the bottom of the old valve, unscrew the
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By Hey Hey Trojan
I am 55 years old with a bit of arthritis in the thumbs from too much Candy Crush. I have never installed anything like this before. After being charged $300 to install by a plumber and then hearing him say how they are making these new faucets so easy to install it would put him out of buisness; that kick in the wallet made me realize
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By Rebecca
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4.6 | 1,596 customer ratings
91% of the ratings are 4-stars or 5-stars
We have an old American Standard Champion 4” toilet, with what I am sure was the original flush assembly, (tall white plastic column that lifted when you flushed the toilet. After replacing the flush valve seal many times due to water leaking through it, this unit is the replacement for the center white column units. American Standard
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By Elm Street Photography, Milo Maine
This flushes as I would expect it to! No surprises. The design of the toilet made it impossible for me to do replace myself. I have replaced a number of toilet valves before, so what should have been an affordable project, turned into two days off from work and a plumber. The kit does not come with ring (which needs to be replaced
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By Marianne
After 3 months of using this flush valve, I can say it flushes really well. BUT, the problem is that the water in the toilet tank leaks out from under the lid of the flush valve into the toilet bowl. This means that the tank refills, in my case, about every 30 minutes. This is a major waste of water, highly annoying and not what the valve
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By D. G.
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4.6 | 1,586 customer ratings
89% of the ratings are 4-stars or 5-stars
This one works great and actually lasts longer than the more expensive ones. I know from personal
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By Roger
What to say about a toilet flapper? Well until your flapper stops working it receives little attention, but it's kind of important in the scheme of toilet "mechanics". My old flapper was getting difficult to flush as I think it had lost it's flexible characteristics. Then one day the part that connects the chain to the flapper broke off
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By Grungehead
Ideally there are 2 kinds of flush 2" and 3". N am stuck with 2.5 inch diameter flush.
Purchased this product and it works fine. Having flexible rubber covers complete diameter and no leaks, now I am saving water and money.

It's been few months and its
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By Amazon Customer
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4.6 | 1,575 customer ratings
90% of the ratings are 4-stars or 5-stars
It was so easy for me to fix my Kohler toilet with this kit. I am not the least bit mechanically inclined, so when I began to notice signs that my toilet was not sounding right, I did nothing but hope that it would somehow self correct. Yes, I was in serious denial. Finally, it just stopped functioning. I went online and typed in the
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By Diane M Curry
The K-4634 Kohler Cimarron is widely sold at Lowes and Home Depot, so misinformation like what is in the lead review is unfortunate. So ...., a picture says a 1000 words. The 1083980 works for both the 1.28 and 1.6 GPF versions of the K-4634, you just simply have to adjust the fill level in the tank (on the float valve - different part)
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By Razzierb
Even though the product diagram for this listing shows the parts as all separated from each other, the flush valve unit arrives fully assembled. I was concerned I'd receive a box of unattached parts, but it was fully assembled. If you have the Kohler Cimarron 1.6 gal per flush toilet, this is NOT the correct replacement canister valve.
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By WendyWoman
4.6 | 1,340 customer ratings
90% of the ratings are 4-stars or 5-stars
What can you say about toilet shims? They are a utilitarian product. They were made to do a single job. If they do this successfully, voila. They win. My irritation comes from the fact that these are such a simple, easy, stupidly cheap thing that takes all of 30 seconds to a minute to complete - and yet, being as simple, stupid and easy,
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By Mordi
Those negative reviews came from folks who, obviously, have no idea how to use a shim. You don't want a shim to be rock hard, in most applications. These shims are the perfect mix of firm, yet flexible. You're shimming in an easily breakable/chippable toilet, not a metal rail. Those who mention, as a negative, how the shim bends, miss
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By Austin reader
Such simply item can make such a huge difference. These things are great. I used them first to level the toilet in my master bathroom after I put down a new tile floor. For some reason I didnt get the tile level around the toilet, which isn't noticeable to the eye, but once you set the toilet you become very aware how out of level the
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By Elijah Stephens
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4.6 | 640 customer ratings
92% of the ratings are 4-stars or 5-stars
I had a whining/whistling noise for a while. I tried fixing it by turning the valve, even cleaned the valve seal. But all fixes only lasted for a couple of days. The whistling always came back.

After reading dozens of reviews I was made to believe I needed to replace the whole valve, which really bothered me. Then I found this
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By GiveMeQuality
The replacement was identical to the original, and was easy to install, but, it did not fix my problem. My toilet was taking too long to refill. The fix was to remove the whole valve assembly and remove a spiral shaped insert from inside the bottom of the tube (put a curved pick into the hole, where the water in-line attaches, and pull
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By GaryNC
I’m not a plumber. A novice handyman. Toilet was filling super slow for months. I adjusted the fill valve by simply pushing down and counterclockwise (with water off) so when the piece came off, initially i actually cleaned it and put it back. I learned that part from simple ytube search. It worked but only for half a day and water
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By Nate S.
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4.5 | 3,727 customer ratings
87% of the ratings are 4-stars or 5-stars
I installed this kit on 3 of my toilets, replacing an 8 y/o builder special. The directions are mostly good, but the first install took me 3 hours of swearing. I'm pretty handy and an engineer, but have no plumbing experience. The second install took about an hour and the final install took about 30 minutes.

Good kit and
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By Jessie
My tank constantly had running water. I tried flushing out debris first, hoping the quick fix would work, but it didn't, so I got this kit. This was my first upper toilet tank rebuild, and it went perfectly smoothly, and fixed the problem (even improved performance). The kit has everything you need, except tools. I used a wrench, ratchet,
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By Micah333
Oh boy, this is a good product and my toilet is doing very well now (been about 6 weeks since I rebuilt it with this kit). But the actual rebuild process is NOT for the faint of heart. Taking apart my toilet and removing the old flush kit was really demanding and I don’t recommend it - whoever installed my old one overtightened every
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By Jacqueline J. Rau
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4.6 | 442 customer ratings
92% of the ratings are 4-stars or 5-stars
Newer design is larger than the originals and installs easily. They seal completely. ** Be careful removing old ones they get brittle and make break the plastic ears they hang on. I suggest cutting with a razor knife ( gentle pressure) across the top of the eyelets on the flush valve mounting ears to remove without
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By Larry B
Perfect replacement for my warped toilet flapper. Here in FL, the water gets super hot just from sitting in the pipes underground, and the flappers get 'warped' from the hot water sitting in the tank. Im hoping these replacements will last longer than the 1 year the manufacture's did. Installation was super easy, turn off the water,
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By MissingLink
I had to put 3 stars on Longevity because I just installed them, so I don't know.
I have two AquaSource toilets I bought from Lowes. They are the tall oval toilets. The flappers went bad on them at the same time and they would constantly run and make noise. I bought every flapper at Wally World and checked at Lowes (which only had
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By SatchmoDan
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4.6 | 434 customer ratings
90% of the ratings are 4-stars or 5-stars
Craftsmanship/quality:
I purchased two of these fluidmasters for the two toilets in our house. They are well constructed and they seem to be made of nice thick durable plastic.

Function:
The three inch flapper is just what I needed and it's why I bought these flush valves. Pretty much all of the flush valves you can
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By Amazonian
Used to fix the flusing unit in our Villroy&Boch toilet. Word of advice never use cleaning tablets in your tank with this type of flushing mechanism as it will ruin the O-ring affixed to the underside of the flap which will cause the toilet to have a slow
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By Greg D.
I bought this to replace a low flow flush valve that did not offer much water height inside the tank. I wanted to add more water to the tank to get a stronger flush.

This Fluidmaster 540AKRP5 3-Inch Complete, Adjustable Toilet Flush Valve, even when set to its max adjustable height, is only about the same height as the low flow
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By HonestReview
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4.5 | 1,460 customer ratings
85% of the ratings are 4-stars or 5-stars
I (a non plumber woman) had problem-free installation. The outside flusher is plastic and the inside lever is metal. The inside lever is universal because it can be easily reshaped to accommodate curved or straight tanks. I installed this in under a minute and a half on our curved tank even though I’m a first time
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By Zoink
It's well made, great I'm sure for someone with the right shape opening for their flusher, it just won't fit mine. This has a hexagonal shape, and my toilet requires one that is
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By diy freak
I don't think a product should be called "universal" if it is not, in fact, universal. "Fits most toilets" is accurate, but how do people know whether their toilet is most? A better description might be fits square toilets or something to that effect.

See picture - basically the front part of my toilet tank
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By JC Nolte
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4.5 | 1,237 customer ratings
89% of the ratings are 4-stars or 5-stars
Ordered this morning, received late this afternoon, installed in less than ten minutes... Problem solved without driving to a big box home improvement store. The pic shows package contents... Trigger handle, plastic spacer, lock nut, and instructions. Doesn't get any better than
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By Pierre
If you notice the handle does not come back up on its own, below is the problem and you just have to buy new. The issue here is corrosion gets between the plastic rotation guide behind the handle and the stem it connects to. It can't (deliberately by design I'm sure) be taken apart and cleaned. I don't really understand how this
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By Bongo
This fits a Kohler K3323 TANK (PRO TIP: look inside the water tank for a stamped K + 4 digit number when shopping for parts)

HISTORY:
I have three of these in my home. One needed replacement and I had a heck of a time looking for it locally in either major hardware stores, local hardware store and even a speciality
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By Patrick Keshishian
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4.5 | 1,114 customer ratings
87% of the ratings are 4-stars or 5-stars
I had an old toilet that still had an ancient floating ball type; well, my toilet was constantly running/leaking into the bowl.

To be honest, prior to installing this, I never even knew how exactly a toilet even worked or its components (fill valve/overflow valve/flapper/etc). I decided to give this "All-in-One" kit a try
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By Kiyo M.
I've been dealing with a running toilet for a couple months now. At first, I thought it was the flapper, because I could see water slowly running into the bowl, but after trying two different flappers, I realized it was actually the large rubber gasket that seals the tank to the top of the bowl. This is NOT a difficult job, however, it
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By Sarasota2k4
The ad says says "Universal ... All-in-One" Well, no. The frustration started when I found two, different instruction manuals in the package. Eventually I found the small number that identified the correct booklet. Then, I'm working along and got to the instruction, "Remove gasket" and a picture of someone using two fingers to remove
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By angelsix
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4.5 | 1,096 customer ratings
88% of the ratings are 4-stars or 5-stars
I had to install two different versions of the trip arm to find the one that worked best with my model of the Kohler Wellworth with 4512 tank and left flush. They differ by the angle of the arm. The one that fit my model, bought some 29 years ago, is this one: GP30324-CP (the CP stands for the handle finish, in this case polished
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By Sine Nomine
Really Kohler! So the replacement part works fine; however, I did order the wrong part (same design just longer arm) my fault! However, for a quality toilet, this plastic design is poopoo! The first photo shows my 3 yr old part, cracked right in the weakest spot of this lever arm; the same place where this new part will fail in the next 3
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By Stanley Ogle
The plastic arm broke at the hole where it attaches to the handle after only two years of use in a 2-person (adult) household which subscribes to the mantra "If it's yellow, let it mellow..." (we live in a mountain town where water conservation is a necessity) so it was not used and abused. A Kohler rep tried to tell me it must be
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By Andy S.