Last Updated: September 22, 2019 (Refresh Now)
Overview
Review Summary
Spam
Specs
Reco

KOHLER GENUINE PART 87998 FLUSH VALVE KIT Small

Last Updated: September 22, 2019 (Refresh Now)
7.3
SCORE
/10
Total Reviews
205
Old Reviews
124
Unverified
13
Spam Test
PASS

Review Analysis - 68 recent, verified reviews

Detailed Mode
Setup
 19
difficult to install, hard to install, gasket, kohler, installed
+63%
-37%
comment
" ...  To make it easy to install, I put a very thin amount of plumbers grease on the gasket and it popped right in.  ...  "
comment
" ...  I can imagine it very being difficult to install without lubrication.  ...  "
comment
" ...  You will then say, Ah-ha!, and install the flush valve in about 2 minutes.  ...  "
comment
" ...  Easy to install.  ...  "
comment
" ...  Did not include installation instructions, but process was straightforward and problem was resolved.  ...  "
comment
" ...  It is rather difficult to install, but once you figure it out, it works great!  ...  "
comment
" ...  I installed it exactly how others did.  ...  "
comment
" ...  This requires a lot of effort to install.  ...  "
Fit
 18
gasket, toilet, flush valve, compress, one piece toilet
+50%
-50%
comment
" ...  Kohler toilets are the most frustrating pieces of equipment to work on.  ...  "
comment
" ...  Then you can insert the black plastic part into the triangular hole and rotate counterclockwise while pressing down hard.  ...  "
comment
" ...  I was attempting to buy a toilet flush valve to fit a Kohler toilet with a 3.75 inch hole in the tank.  ...  "
comment
" ...  I used Vaseline to grease the underside of the triangle, the bottom of the gasket and put globs on the plastic part that glides under the triangle. ... I then pushed down on the bottom of the fitting with my left hand, twisted with my right hand, and it slid right into place.  ...  "
comment
" ...  I have a Kohler model K332300 one piece toilet installed in 2013 (not that old), but this  ...  "
comment
" ...  Flush mechanism worn and does not seal.  ...  "
comment
" ...  The 2 that I ordered did not fit due to being a slightly different size and wound up giving them to my plumber who fixed my toilet.  ...  "
Ease of Use
 10
difficult to install, hard to install, works great, twist, soap
+70%
-30%
comment
" ...  I can imagine it very being difficult to install without lubrication.  ...  "
comment
" ...  Once the black part is installed the rest is easy.  ...  "
comment
" ...  Was easy to replace,works perfectly  ...  "
comment
" ...  Easy to install.  ...  "
comment
" ...  I used a little hand soap on the gasket to make it easier to turn.  ...  "
comment
" ...  It is rather difficult to install, but once you figure it out, it works great!  ...  "
Build Quality
 10
flush, black plastic, twist, triangle, porcelain
+30%
-70%
comment
" ...  Remove the red flapper and put the gasket on the black plastic body, sliding it under the tabs until it’s captured. ... Then you can insert the black plastic part into the triangular hole and rotate counterclockwise while pressing down hard. ... Awkward but possible if there is sufficient lubricant on the prongs and gasket.  ...  "
comment
" ...  10 x 4.2 x 3.8 inches : I assume the 3.8 inches refers to the diameter of the flush body.  ...  "
comment
" ...  I used Vaseline to grease the underside of the triangle, the bottom of the gasket and put globs on the plastic part that glides under the triangle.  ...  "
comment
" ...  Gasket was very difficult to get into place.  ...  "
comment
" ...  Flush mechanism worn and does not seal.  ...  "
Comfort
 9
towel, hand, grease, gasket, downward
+44%
-56%
comment
" ...  I used Vaseline to grease the underside of the triangle, the bottom of the gasket and put globs on the plastic part that glides under the triangle. ... I then pushed down on the bottom of the fitting with my left hand, twisted with my right hand, and it slid right into place.  ...  "
comment
" ...  Maybe my kohler toilet is thicker or my hands are too weak .  ...  "
comment
" ...  I put a towel over the hole and leaned on it with as much of my body weight as I could direct to it. ... With the other hand I twisted it, which got it partway turned. ... With weight applied I got it to turn the rest of the way by lightly tapping the back with a small hammer.  ...  "
Marketplace
 5
part, kohler, genuine, thank, original
+100%
comment
" ...  Then I remembered that some amazon reviews can be insightful and helpful.  ...  "
comment
" ...  Thank you so much!!  ...  "
comment
" ...  Genuine Kohler parts that fit perfectly. ... Received in less than 2 days as a Prime member.  ...  "
comment
" ...  Koehler makes several different sizes that look identical in the picture.  ...  "
comment
" ...  I just installed it in my toilet and compared to the original part and they are identical.  ...  "
Product Reliability
 3
two, 10
+33%
-67%
Storage
 3
toilet, oil, kohler, gasket, freezer
+33%
-67%
comment
" ...  I was attempting to buy a toilet flush valve to fit a Kohler toilet with a 3.75 inch hole in the tank.  ...  "
comment
" ...  Gasket was very difficult to get into place.  ...  "

Review Spam Test     PASS

In order to keep our review summaries as accurate as possible, we aggressively detect fake reviews. We use various signals to detect unnatural patterns and will gradually expose them here.

Specifications

No specs available.