Repair & Replacement Parts for Toto Toilets

Your search is over! You've finally found all the parts you need to fix your water-efficient, stylish Toto toilet. Whether you're looking for flush valves, flappers, trip levers, or more, we're pleased to offer a huge selection of quality Toto replacement parts. Not sure what you need? Check out our Toto picture index for help finding your model and links to parts diagrams.
click any image to jump directly to that section
We also carry parts for the popular Toto Neorest toilets.

Replacement Toto Fill Valves

TSU99A.XR - "Universal" Toto Fill valve

Universal Toto fill valve
This fill valve features:
  • Adjustable from 8-3/8" to 13-3/8" to fit a variety of toilets
  • Includes mounting hardware, refill tube, and refill tube clip
  • Fits almost all Toto toilets
  • View fit chart to determine fill valve height and refil ratio settings
Replaces the following fill valve models:
  • TSU36A.10
  • TSU38A
  • TSU51A
  • TSU52A
  • TSU53A
  • TSU54A
  • TSU55A
"Universal" Toto Fill Valve - TSU99A.XR = $37.31
- OR - View Cart

More Toto Fill Valves & Related Items

Part # Description Price & Quantity
528T "Will Fit" High Output Fill Valve - Fits select Toto models only $26.99
THU123 Fill Valve Diaphragm Cap - for TSU99A.XR $10.48
THU229 Fill Valve Filter - for original valves ONLY - Replaced by THU297 also discontinued
- for discontinued fill valves TSU08A.6, TSU08A.6R, TSU24A, TSU36A.6, & TSU33A
Discontinued
THU302 Fill Valve Diaphragm Cap - for original Dual Max valves ONLY
- (similar to TH123 but has smaller refill outlet)
$6.66
- OR - View Cart

Replacement Toto Flush Valves

THU013P - Most Common Toto Flush Valve

Toto flush valve - THU013P
This flush valve features:
  • Durable, chemical-resistant plastic construction will last you for years
  • Includes flapper with chain and mounting hardware
  • Replaces THU013W
Fits the following toilet models:

Please Note: The Toto THU013P Flush Valve has been discontinued and replaced by Drain Flush Valves designed for each individual toilet.

Click on the name of your specific toilet above to find the exact Toto flush valve replacement for your toilet.

Part # Description Price & Quantity
THU331S Flapper for THU013P Flush Valve Discontinued
use THU500S below
THU500S Genuine Toto Replacement Flapper $14.99
9BU002E Replacement Gasket for THU013P Flush Valve Discontinued
- OR - View Cart

More Toto Flush Valves

Image Description Price & Quantity
Toto THU001Z flush valve THU001Z Flush Valve - Fits: Carolina (884) and Supreme (863/864) Discontinued
use THU460.6D-A below
THU460.6D-A - Drain Valve (flush valve) Assembly - Replaces #THU001Z $38.66
Replacement Flapper for THU001Z Flush Valve - THU140S Discontinued
Replaced by THU500S
Genuine Toto Replacement Flapper THU500S - Use arrow #8, chain length #8, lever hole #3, insert white flapper plug included $14.99
"Will Fit" Replacement Flapper - 2022 $13.43
Replacement Gasket - 9BU002E Discontinued Enter a quantity and
Toto THU002Z flush valve THU002Z Flush Valve - Fits: Ultimate (853/854) Discontinued
use TH831-A below
THU831-A - Drain Valve (flush valve) Assembly - Replaces #THU002Z $38.77
Replacement Flapper THU140S - for THU002U and THU002Z flush valves Discontinued
Replaced by THU500S
Genuine Toto Replacement Flapper THU500S - Use arrow #8, chain length #13, lever hole #1, and insert white flapper plug included $14.99
Replacement Gasket - 9BU002E (seals flush valve to tank)
- fits THU002N and THU002Z
Discontinued Enter a quantity and
Toto flush valve - THU003N THU003N Counter-Balance Flush Valve - Fits: Prominence (894) Discontinued
Replacement Counter-Balance Flapper - THU092-4 Discontinued
Replacement Flapper Seal - 9BU001ER (old #THU096) $8.02
Replacement Gasket - 9BU002E Discontinued Enter a quantity and
Toto flush valve - THU014 THU014 Counter-Balance Flush Valve - Fits: Pacifica (904) - one-piece Discontinued
Replacement Counter-Balance Flapper - THU092-5 Discontinued
Replacement Flapper Seal - 9BU001ER (old #THU096) $8.02
Replacement Gasket - 9BU002E Discontinued Enter a quantity and
Toto flush valve - THU106N THU106N Flush Valve - Fits: Promenade (723/724) - old style
Replaces THU342-A
Discontinued
use alternative below
Alternative Solution "Will-Fit" Flush Valve
Will-Fit flush valve will need to be cut down to height of original flush valve to prevent tank overflow. - Please Note: altered flush valves are non-returnable
$14.99
Replacement Flapper (THU303) for discontinued THU106N flush valve $17.49
Replacement Flapper (2001X) for "Will-Fit" Flush Valve $2.79 Enter a quantity and
Toto flush valve - THU128 THU128 Counter-Balance Flush Valve - Fits: Dorian (914) Discontinued
use alternative below
Possible Alternative Solution Toto Flush Valve THU854-A
Toto THU854-A flush valve overflow will need to be cut down to height of original flush valve to prevent tank overflow. - Please Note: altered flush valves are non-returnable
$35.39
Replacement Counter-Balance Flapper - THU092-8 Discontinued
Replacement Flapper Seal - 9BU001ER (old #THU096) $8.02
Replacement Gasket - 9BU002E Discontinued Enter a quantity and
Toto flush valve - THU128Z-1 THU128Z-1 Flush Valve - Fits: Bristol (866) and Plymouth/Willingham (924) Discontinued
use THU460.6D-A below
THU460.6D-A - Drain Valve (flush valve) Assembly - Replaces #THU128Z-1 $38.66
Replacement Flapper - THU140S Discontinued
Replaced by THU500S
Genuine Toto Replacement Flapper THU500S
CST866 Use arrow #8, chain length #7, lever hole #3, and insert white flapper plug; CST924 Use arrow #8, chain length #8, lever hole #3, and insert white flapper plug
$14.99
"Will Fit" Replacement Flapper - 2022 $13.43
Replacement Gasket - 9BU002E Discontinued Enter a quantity and
Toto flush valve - THU129P-A THU129P-A Flush Valve - Fits: Drake (743/744), Mercer (755/756), Nexus (794), and Vespin (764) Discontinued
use THU441.10J-A
below
THU441.10J-A - Drain Valve (flush valve) Assembly - Replaces THU129P-A, THU129W-A & THU129ZE $20.78
Genuine Toto Replacement Flapper THU500S $14.99 Enter a quantity and
Toto flush valve - THU129P-2A THU129P-2A Flush Valve - Fits: Carrollton (744) and Whitney G-Max 1.6 gpm $17.61
THU443.15K-A - Drain Valve (flush valve) Assembly - Replaces THU129P-2A, THU129W-2A & THU129P-6A $34.97
Flapper only - THU369S Discontinued
use THU500S below
Genuine Toto Replacement Flapper THU500S $14.99
"Will Fit" Replacement Flapper - 2021 $13.32 Enter a quantity and
Toto discontinued flush valve - THU129W-1A THU129W-1A Flush Valve - Fits: Pacifica (804) - two-piece - Replaced by THU129P-1A which has also been discontinued Discontinued
use 540AKR below
Suitable Replacement Flush Valve - 540AKR - Fits: Pacifica (804) - two-piece $18.18
Flapper only - THU331S for THU129W-1A Flush Valve Discontinued
use THU500S below
Genuine Toto Replacement Flapper THU500S - Use arrow #7, chain length #28, lever hole #1, do not use white flapper plug insert $14.99
"Will Fit" Replacement Flapper - 2021 $13.32 Enter a quantity and
Toto flush valve - THU129W-4A THU129W-4A Flush Valve - Fits: Clayton (784) Discontinued
use THU443.10B-A
below
THU443.10B-A - Drain Valve (flush valve) Assembly - Replaces #THU129W-4A $20.82
Flapper only - THU331S Discontinued
use THU500S below
Genuine Toto Replacement Flapper THU500S $14.99
"Will Fit" Replacement Flapper - 2021 $13.32 Enter a quantity and
Toto flush valve - THU129W-5A THU129W-5A Flush Valve - Fits: Promenade (423/424) - new style Discontinued
use THU442.21A-A
below
THU442.21A-A - Drain Valve (flush valve) Assembly - Replaces #THU129W-5A $20.75
Replacement Flapper - THU369S Discontinued
use THU500S below
Genuine Toto Replacement Flapper THU500S $14.99
"Will Fit" Replacement Flapper - 2021 $13.32 Enter a quantity and
Toto flush valve - THU129Z-3 THU129Z-3 Flush Valve - Fits: Dartmouth (753/754) - Replaced by THU129P-3A which has also been discontinued Discontinued
use THU441.10J-A
below
THU441.10J-A - Drain Valve (flush valve) Assembly - Replaces THU129Z-3 and THU129P-3A $20.78
Replacement Flapper - THU369S Discontinued
use THU500S below
Genuine Toto Replacement Flapper THU500S $14.99
"Will Fit" Replacement Flapper - 2021 $13.32 Enter a quantity and
Model Description Price & Quantity
Toto flush valve - THU261 THU261-A Flush Valve - Fits: Dalton (733/734) Discontinued
use Will-Fit below
"Will-Fit" 2-Inch Flush Valve - 10-1/2" tall overflow, may need to be cut down to height of original valve (Note: altered valves are non-returnable) $14.99 Enter a quantity and
Replacement Flapper - THU262 - for original THU261-A Flush Valve $15.99 Enter a quantity and
2001X - 2" Flapper with Chain - for "Will-Fit" Flush Valve $2.79 Enter a quantity and
Toto flush valve - THU224 THU224 Dual Flush Valve - Fits: Aquia (412) - two-piece new style, Aquia (413/414) - two-piece old style, Aquia II (416), and Aquia III (464) Discontinued
use THU435 below
THU435 Dual Flush Valve - Fits: Aquia (412) - two-piece new style, Aquia (413/414) - two-piece old style, Aquia II (416), and Aquia III (464)
- Please note: The replacement THU435 flush valve is shorter than the original THU224. You will also need to order the replacement Push Button Part #THU314 or #THU315 as well
$56.12 Enter a quantity and
Replacement Flush Valve Seal - 9BU102E - Replaces discontinued 9BU064E $6.22 Enter a quantity and
Toto flush valve - THU245P-3 THU245P-3 Flush Valve - Fits: Carolina II (643/644) and Supreme II (634)
Replaces THU245W-3
Discontinued
use THU460.6D-A below
THU460.6D-A - Drain Valve (flush valve) Assembly - Replaces THU245P-3 $38.66
Replacement Flapper - THU332S Discontinued
use THU500S below
Genuine Toto Replacement Flapper THU500S $14.99
Replacement Gasket - 9BU002E Discontinued Enter a quantity and
Toto flush valve - THU249P-1 THU249P-1 Flush Valve - Fits: Eco Guinevere (974E) - Replaces THU249W-1 Discontinued
Use THU861-A below
THU861-A - Drain Valve (flush valve) Assembly - Replaces THU249P-1 and THU249W-1 $36.79
Flapper only - THU331S Discontinued
use THU500S below
Genuine Toto Replacement Flapper THU500S $14.99
Replacement Gasket - 9BU002E Discontinued Enter a quantity and
Toto flush valve - THU249P-2 THU249P-2 Flush Valve - Fits: Eco Soiree (964E) Discontinued
use THU850-A
below
THU850-A - Drain Valve (flush valve) Assembly - Replaces THU249P-2 $22.49
Flapper only - THU331S - (for THU249P-2 Flush Valve) Discontinued
use THU500S below
Genuine Toto Replacement Flapper THU500S $14.99
Replacement Gasket - 9BU002E Discontinued Enter a quantity and
Toto flush valve - THU251P THU251P Flush Valve - Fits: Eco Ultramax (853SE/854SE) Discontinued
use THU850-A
below
THU850-A - Drain Valve (flush valve) Assembly - Replaces THU251P $22.49
Replacement Flapper - THU347S - (for THU251P Flush Valve) Discontinued
use THU500S below
Genuine Toto Replacement Flapper THU500S $14.99
Replacement Gasket - 9BU002E Discontinued Enter a quantity and
Model Description For Toilet Tank Price & Quantity
Toto flush valve - THU252P-A - Discontinued -

THU252P-A Flush Valve


Replaced THU252W-A, THU252W-4A, & THU252W-6A
Eco Clayton (784E)
Replaced by Drain Valve THU444.15E-A
$21.68 Enter a quantity and
Eco Dartmouth (754E)
Replaced by Drain Valve THU445.15G-A
$21.45 Enter a quantity and
Eco Drake (743E/744E)
Replaced by Drain Valve THU443.10B-A
$20.82 Enter a quantity and
Eco Drake Transitional (743EN/744EN)
Replaced by Drain Valve THU443.10B-A
$20.82 Enter a quantity and
Drake II (454)
Replaced by Drain Valve THU824-A
$28.39 Enter a quantity and
Entrada (243/244)
Replaced by Drain Valve THU443.10B-A
$20.82 Enter a quantity and
Eco Nexus (794E)
Replaced by Flush Tower THU444.10D-A
$20.84 Enter a quantity and
Vespin II (474)
Replaced by Flush Tower THU824-A
$28.39 Enter a quantity and
Replacement Flapper THU347S for THU252P-A - Replaced by THU500S $14.99 Enter a quantity and
Model Description Price & Quantity
Toto flush valve - THU252W-2A THU252W-2A Flush Valve - Fits: Eco Whitney (754E) Discontinued
use THU445.15G-A
below
THU445.15G-A Drain Valve with Flush Tower - Replaces THU252W-2A $21.45
Replacement Flapper - THU347S Discontinued
use THU500S below
Genuine Toto Replacement Flapper THU500S $14.99
Toto flush valve - THU252W-4A THU252W-4A Flush Valve - Fits: Eco Clayton (784E) Discontinued
use THU444.15E-A
below
THU444.15E-A Drain Valve (flush valve) with Flush Tower - Replaces THU252W-4A $21.68
Replacement Flapper - THU347S Discontinued
use THU500S below
Genuine Toto Replacement Flapper THU500S $14.99 Enter a quantity and
Toto flush valve - THU255-A THU255-A Flush Valve - Fits: Carusoe (713/714)
Replaces THU100N
Discontinued
Use Will-Fit below
Will-FIT 2" Flush Valve - Overflow tube will need to be cut down to original valve height - can use any type of saw (wood saw, hack saw, etc.) - Please note: altered valves are non-returnable. $14.99 Enter a quantity and
Replacement 2" Flapper - THU257 - for original THU255-A flush valve $18.73 Enter a quantity and
Replacement 2" Flapper - 2001X - for Will-Fit flush valve $2.79 Enter a quantity and
Toto flush valve - THU264 THU264 Unique Drain Valve - Fits: Ryohan (984) Discontinued
Replacement Gasket - 9BU002E Discontinued Enter a quantity and
Toto flush valve - THU338 THU338 Dual Flush Valve - Fits: Aquia (654) - one-piece
- includes #9BU088E flush valve washer
$31.70
Replacement Flush Valve Seal - 9BU088E $2.99 Enter a quantity and
Toto flush valve - THU362-A THU362-A Dual Flush Valve - Fits: Rowan (405/406) $25.24
Replacement Flush Valve Seal - 9BU088E $2.99 Enter a quantity and
Toto flush valve - THU435 THU435 Dual Flush Valve - Fits: Aquia (412) - two-piece new style, Aquia (413/414) - two-piece old style, Aquia II (416), and Aquia III $56.12 Enter a quantity and
Replacement Flush Valve Seal - 9BU088E $2.99 Enter a quantity and
Toto drain valve with flush tower THU441.10J-A THU441.10J-A Drain Valve (flush valve) with Flush Tower - Fits: Mercer (ST755S) - Replaces THU129ZE and THU129P-A flush valves $20.78
Flush Tower THU440-A - (includes THU407 flush tower seal gasket) $13.92
Replacement Flush Tower Seal Gasket - THU407 $12.35
Replacement Gasket - 9BU002E (seals flush valve to tank) Discontinued Enter a quantity and
THU443.10B drain valve with flush tower THU443.10B-A Drain Valve (flush valve) with Flush Tower - Fits: Clayton (ST784), Drake (ST743E), and Entrada (ST243E) - Replaces THU129P-4A and THU129 W-4A flush valves $20.82
Flush Tower THU440-A - (includes THU407 flush tower seal gasket) $13.92
Replacement Flush Tower Seal Gasket - THU407 $12.35
Replacement Gasket - 9BU002E (seals flush valve to tank) Discontinued Enter a quantity and
Toto drain valve with flush tower THU443.15K-A THU443.15K-A Drain Valve (flush valve) with Flush Tower - Fits: Carrolton 1.6 gpf (774S), Promenade II E-Max 1.28 gpf (404CE) and Whitney G-Max 1.6 gpm (754S) $34.97
Flush Tower THU440-A - (includes THU407 flush tower seal gasket) $13.92
Replacement Flush Tower Seal Gasket - THU407 $12.35
Replacement Gasket - 9BU002E (seals flush valve to tank)
- fits THU252W-2A, THU252P-A and THU443.15K-A flush valves
Discontinued Enter a quantity and
Toto drain valve with flush tower THU444.10D-A THU444.10D-A Drain Valve (flush valve) with Flush Tower - Fits: Eco Nexus (794E)- Replaces THU252W-2A and THU252P-A flush valves $20.84
Flush Tower THU440-A - (includes THU407 flush tower seal gasket) $13.92
Replacement Flush Tower Seal Gasket - THU407 $12.35
Replacement Gasket - 9BU002E (seals flush valve to tank)
- fits THU252W-2A, THU252P-A and THU444.10D-A flush valves
Discontinued Enter a quantity and
Toto drain valve with flush tower THU444.15E-A THU444.15E-A Drain Valve (flush valve) with Flush Tower - Fits:Eco Clayton (784E)- Replaces THU252W-4A and THU252P-A flush valves $21.68
Flush Tower THU440-A - (includes THU407 flush tower seal gasket) $13.92
Replacement Flush Tower Seal Gasket - THU407 $12.35
Replacement Gasket - 9BU002E (seals flush valve to tank)
- fits THU252P-A and THU444.15E-A flush valves
Discontinued Enter a quantity and
Toto flush tower valve - THU445-15G-A THU445.15G-A Drain Valve (flush valve) with Flush Tower - Fits: Dartmouth (754E) and Whitney (754EF)
- Replaces THU252W-2A and THU252P-A flush valves
$21.45
Flush Tower THU440-A - (includes THU407 flush tower seal gasket) $13.92
Replacement Flush Tower Seal Gasket - THU407 $12.35
Replacement Gasket - 9BU002E (seals flush valve to tank)
- fits THU252W-2A and THU445.15G-A
Discontinued Enter a quantity and
Toto drain valve with flush tower THU854-A THU854-A Drain Valve (flush valve) with Flush Tower - Fits: Ultramax (STCST853S) - Replaces THU013W and THU013P flush valves $35.39
Flush Tower THU440-A - (includes THU407 flush tower seal gasket) $13.92
Replacement Flush Tower Seal Gasket - THU407 $12.35
Replacement Gasket - 9BU002E (seals flush valve to tank) Discontinued Enter a quantity and
Toto drain valve with flush tower THU453.6B-A THU453.6B-A Drain Valve (flush valve) with Flush Tower - Fits: Eco Guinevere (974E) - Replaces THU249P-1 flush valve Discontinued
use THU861-A
below
THU861-A - Drain Valve (flush valve) Assembly - Replaces THU460.15E-A, THU249P-1, and THU249W-1 $36.79
Flush Tower THU440-A - (includes THU407 flush tower seal gasket) $13.92
Replacement Flush Tower Seal Gasket - THU407 $12.35
Replacement Gasket - 9BU002E (seals flush valve to tank)
- fits THU249P-1 and THU453.6B-A flush valves
Discontinued Enter a quantity and
Toto drain valve with flush tower THU453.10C-A THU453.10C-A Drain Valve (flush valve) with Flush Tower - Fits: Aimes (626), Carlyle (874), Guinevere (974), Legato (624), Lloyd/Eco Lloyd (934), Soiree/Eco Soiree (964), Ultramax/Eco Ultramax (853S/854S), and Ultramax II (604) - Replaces THU013P, THU013W, THU249P-2, THU249W-2, THU251P, and THU251W flush valves Discontinued
use THU850-A
below
THU850-A - Drain Valve (flush valve) Assembly - Replaces THU453.10C-A $22.49
Flush Tower THU440-A - (includes THU407 flush tower seal gasket) (Note: This flush tower is for THU453-10C-A, it will not work with the THU850-A Drain Valve) $13.92
Replacement Flush Tower Seal Gasket - THU407 $12.35
Replacement Gasket - 9BU002E (seals flush valve to tank)
- fits THU013P, THU013W, THU249P-2, THU249W-2, THU251P, and THU251W and THU453.10C-A flush valves
Discontinued Enter a quantity and
Toto drain valve with flush tower THU460-6D-A THU460.6D-A Drain Valve (flush valve) with Flush Tower - Fits: Carolina (884) and Supreme (863/864) - Replaces THU001Z, THU128Z-1, and THU245P-3 flush valves $38.66
Flush Tower THU460-A - (includes THU407 flush tower seal gasket) $13.90
Replacement Flush Tower Seal Gasket - THU407 $12.35
Replacement Gasket - 9BU002E (seals flush valve to tank)
- fits THU001Z and THU460.6D-A flush valves
Discontinued Enter a quantity and
Toto flush tower valve - THU460-15E-A THU460.15E-A Drain Valve (flush valve) with Flush Tower - Fits: Ultimate (853/854)
- Replaces THU002U and THU002Z flush valves
Discontinued
use THU831-A below
THU831-A - Drain Valve (flush valve) Assembly - Replaces THU460.15E-A, THU002U, and THU002Z $38.77
Flush Tower THU460-A - (includes THU407 flush tower seal gasket) $13.90
Replacement Flush Tower Seal Gasket - THU407 $12.35
Replacement Gasket - 9BU002E (seals flush valve to tank)
- fits THU002N, THU002Z, and THU460.15E-A
Discontinued Enter a quantity and
Toto dual flush valve assembly THU737R-A THU737R-A Drain Valve (flush valve) with Flush Tower
- Fits: Aquia IV - CST446CUMG - 2-Piece toilet - (Replacement for discontinued THU737N-A)
$39.37
Toto drain valve with flush tower - THU747-A THU747-A Drain Valve (flush valve) with Flush Tower - Fits: Ultramax II (604) and Nexus 1-Piece (642) $35.16
Flush Tower Not Sold Separately
Replacement Flush Tower Seal Gasket - THU407 $12.35
Replacement Gasket - 9BU002E (seals flush valve to tank) - fits THU747-A Discontinued Enter a quantity and
Toto drain valve with flush tower - THU824-A THU824-A Drain Valve (flush valve) with Flush Tower - Fits: Drake II (454) and Vespin II (474/454)
- Replaces THU252W-6A, THU252P-A, and THU445.10F-A flush valves
$28.39
Flush Tower Not Sold Separately
Replacement Flush Tower Seal Gasket - THU407 $12.35
Replacement Gasket - 9BU002E (seals flush valve to tank)
- fits THU002N, THU002Z, and THU824-A
Discontinued
toto flush valve tower thu861-a THU831-A Power Flush Valve - Fits: Ultimate (853 and 854) - Replaces THU002N, THU002Z and THU460.15E-A flush valves $38.77
Flush Tower Not Sold Separately
Replacement Seal Gasket - THU407 $12.35
toto flush valve tower thu861-a THU861-A Power Flush Valve - Fits: Guinevere (974) and Eco Lloyd (934)
- Replaces THU249W-1, THU249P-1 and THU453.6B-A flush valves
$36.79
Flush Tower Not Sold Separately
Replacement Seal Gasket - THU407 $12.35

Replacement Toto Flappers

Power Gravity 3" Flappers

Model Description Price & Quantity
Toto flapper - THU140S THU140S 3" Power Gravity Flapper Discontinued
Replaced by THU500S
Below
Toto THU500S universal 3-inch flapper THU500S Genuine Toto Replacement Flapper $14.99
Toto will fit flapper "Will Fit" Power Gravity Flapper - Blue $13.43
- OR - View Cart

More 3" Toto Flappers

Model Description Price & Quantity
Toto flapper - THU331S THU331S 3" G-Max/Double Cyclone Flapper - Pink
Replaces THU138S, THU175S, THU253S, & THU299S on SOME Toto models
Replaced by
THU500S

$14.99
Enter a quantity and
Toto flapper - THU332S THU332S 3" E-Max Flapper - Green -
Replaces THU275S on SOME Toto models
Replaced by
THU500S

$14.99
Enter a quantity and
Toto flapper - THU347S THU347S 3" E-Max/Double Cyclone Flapper
Replaces THU253S & THU277S on SOME Toto models
Replaced by
THU500S

$14.99
Enter a quantity and
Toto flapper - THU369S THU369S 3" G-Max Flapper - White
- Replaces THU138S, THU175S, THU331S & THU332S on SOME Toto models
Replaced by
THU500S

$14.99
Enter a quantity and
Toto will fit flapper "Will Fit" G-Max Flapper - Red $13.32 Enter a quantity and
Please note: Not all Toto flappers are interchangeable for all models and your toilet may not flush properly if the wrong parts are used. Per the manufacturer, some flappers have been replaced on certain models, but remain the same on other models. We realize this can be confusing, so if you are unsure which flapper you need, please consult the parts diagrams for your model to ensure you are ordering the correct flapper.

Toto 2" Gravity Flush Flappers

Model # Description Price & Quantity
THU257 2" Gravity Flush Flapper for Carusoe Toilets - Gray with Clear Cone $18.73
THU262 2" Gravity Flush Flapper for Dalton Toilets - Gray with Black Cone $15.99
THU303 2" Gravity Flush Flapper for Promenade Toilets - Gray with Clear Cone $17.49
- OR - View Cart

Gaskets, Tank to Bowl Bolt Kits, & Misc Parts

Flush Valve Gaskets & Seals

Flush valve gasket9BU002E Flush Valve Gasket
Discontinued
Dual flush valve seal9BU102E (old #9BU064E)
Dual Flush Valve Seal
$6.22
Dual flush valve gasket9BU088E Dual Flush Valve Gasket
$2.99
- OR - View Cart

Tank to Bowl Gaskets

3-inch tank to bowl gasket9BU024E 3" Tank Gasket - OEM
$7.14
2-inch tank to bowl gasket"Will Fit" 2" Tank Gasket
Replaces 9BU014E
$4.39
Rubber tank to bowl gasket9BU062E Dual Flush Tank Gasket
$7.04
- OR - View Cart

Mounting Kits

Tank to bowl kitTHU833-A (replaces TSU01D)
Tank to Bowl Kit - $11.59
Seat mounting kitTHU651N Seat Mounting Kit
$11.92
THU044S - Bolt Cap Covers (1 pair) -
- OR - View Cart

TSU99A.XR Fill Valve Fit Chart

Determine which tank you have and adjust the fill valve height and the refill tube ratio by using the information provided in the table below. Look on the inside back of your tank for your tank number information. Find your tank number in the list below and use the Notch Height - Refill Ratio column for the correct settings.
Listed in alphabetical order by tank name
Tank # Toilet Name Toilet Type Flushing System GPF Notch Height
- Refill Ratio
Tank # CST626 Aimes 1-Piece Double Cyclone 1.28 9 - 4
Tank # CST654 Aquia 1-Piece Dual-Max 1.6/0.9 12 - 4
Tank # ST412M Aquia 2-Piece
(new style)
Dual-Max 1.6/0.9 7 - 1
Tank # ST413M Aquia 2-Piece
(old style)
Dual-Max 1.6/0.9 7 - 1
Tank # ST416M Aquia II 2-Piece Dual-Max 1.6/0.9 7 - 1
Tank # ST464M Aquia III 2-Piece Dual-Max 1.6/0.9 7 - 1
Tank # CST866 Bristol 1-Piece Power Gravity 1.6 4 - 5
Tank # CST874 Carlyle 1-Piece G-Max 1.6 10 - 4
Tank # CST614CEF Carlyle II 1-Piece Double Cyclone 1.28 9 - 4
Tank # CST614CUF Carlyle II 1-Piece Tornado 1.0 12 - 4
Tank # CST884 Carolina 1-Piece Power Gravity 1.6 4 - 5
Tank # CST634CEF Carolina II 1-Piece Double Cyclone 1.28 4 - 5
Tank # CST644CEF Carolina II 1-Piece Tornado 1.28 4 - 5
Tank # ST774 Carrollton 2-Piece G-Max 1.6 5 - 3
Tank # ST706 Carusoe 2-Piece Power Gravity 1.6 8 - close
Tank # ST784S Clayton 2-Piece G-Max 1.6 5 - 3
Tank # ST784E Clayton 2-Piece E-Max 1.28 5 - 3
Tank # ST733 Dalton 2-Piece Power Gravity 1.6 8 - close
Tank # ST753 Dartmouth 2-Piece G-Max 1.6 5 - 3
Tank # ST753E Eco Dartmouth 2-Piece E-Max 1.28 5 - 4
Tank # CST914 Dorian 1-Piece Power Gravity 1.6 4 - 5
Tank # ST743 Drake 2-Piece G-Max 1.6 5 - 3
Tank # ST743E Eco Drake 2-Piece E-Max 1.28 5 - 3
Tank # ST744E Eco Drake
Transitional
2-Piece E-Max 1.28 5 - 3
Tank # ST454E Drake II 2-Piece Double Cyclone 1.28 4 - 4
Tank # ST243E Entrada 2-Piece E-Max 1.28 5 - 3
Tank # CST974CFG Guinevere 1-Piece Cyclone 1.6 7 - 6
Tank # CST974CEF Guinevere 1-Piece Double Cyclone 1.28 7 - 6
Tank # CST624CEF(G) Legato 1-Piece Double Cyclone 1.28 9 - 4
Tank # CST934SF Lloyd 1-Piece G-Max 1.6 10 - 4
Tank # CST934EF Eco Lloyd 1-Piece E-Max 1.28 10 - 3
Tank # ST755S Mercer 2-Piece G-Max 1.6 4 - 5
Tank # ST794S Nexus 2-Piece G-Max 1.6 5 - 3
Tank # ST794E Eco Nexus 2-Piece E-Max 1.28 5 - 3
Tank # CST904 Pacifica 1-Piece Power Gravity 1.6 3 - 2
Tank # ST804S Pacifica 2-Piece G-Max 1.6 5 - 3
Tank # ST424S Promenade 2-Piece G-Max 1.6 5 - 3
Tank # ST424E Eco Promenade 2-Piece E-Max 1.28 5 - 3
Tank # ST723 Promenade 2-Piece
(old style)
Power Gravity 1.6 8 - close
Tank # CST894 Prominence 1-Piece Power Gravity 1.6 4 - 5
Tank # ST405M Rowan 2-Piece Dual-Max 1.6/1.0 6 - close
Tank # CST984CFG Ryohan 1-Piece Cyclone 1.6 3 - 3
Tank # CST964CF Soiree 1-Piece Cyclone 1.6 9 - 4
Tank # CST964CEF Eco Soiree 1-Piece Tornado 1.28 9 - 4
Tank # CST863 Supreme 1-Piece Power Gravity 1.6 4 - 5
Tank # CST863E Eco Supreme 1-Piece E-Max 1.28 4 - 5
Tank # CST864 Supreme 1-Piece Power Gravity 1.6 4 - 5
Tank # CST864E Eco Supreme 1-Piece E-Max 1.6 4 - 5
Tank # CST634CEF Supreme II 1-Piece Double Cyclone
(Tornado)
1.28 4 - 5
Tank # CST853 Ultimate 1-Piece Power Gravity 1.6 4 - 5
Tank # CST854 Ultimate 1-Piece Power Gravity 1.6 4 - 5
Tank # CST853S Ultramax 1-Piece G-Max 1.6 10 - 4
Tank # CST854S Ultramax 1-Piece G-Max 1.6 10 - 4
Tank # CST853E Eco Ultramax 1-Piece E-Max 1.28 9 - 3
Tank # CST854 Eco Ultramax 1-Piece E-Max 1.28 9 - 3
Tank # CST604CEF Ultramax II 1-Piece Tornada 1.28 9 - 4
Tank # CST604CUF Ultramax II 1-Piece Double Cyclone
(Tornado)
1.0 12 - 4
Tank # ST707S Vespin 2-Piece G-Max 1.6 5 - 3
Tank # ST453U Vespin II 2-Piece Tornado 1.0 5 - 3
Tank # ST454E Vespin II 2-Piece Double Cyclone
(Tornado)
1.28 4 - 4
Tank # ST754S Whitney 2-Piece G-Max 1.6 5 - 3
Tank # ST754E Whitney 2-Piece E-Max 1.28 5 - 4
Tank # CST924F Willingham 1-Piece Power Gravity 1.6 4 - 5

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