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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.X - "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:
  • TSU06A.4
  • TSU07A.5
  • TSU08A.5
  • TSU08A.6
  • TSU08A.6R
  • TSU08A.11
  • TSU09A.7
  • TSU09A.8
  • TSU09A.13
  • TSU14A
  • TSU16A
  • TSU16A.4
  • TSU17A
  • TSU18A

  • TSU22A.11
  • TSU24A
  • TSU25A
  • TSU28A
  • TSU29A
  • TSU30A
  • TSU31A
  • TSU34A
  • TSU36A.6
  • TSU36A.10
  • TSU38A
  • TSU51A
  • TSU53A
  • TSU54A

"Universal" Toto Fill Valve - TSU99A.X = $32.26

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More Toto Fill Valves & Related Items

Model Description Price & Quantity
TSU52A Toto Fill Valve - Fits: Eco Guinevere (974E) $33.38
528T "Will Fit" High Output Fill Valve - Fits select Toto models only $25.69
THU123 Fill Valve Diaphragm Cap - for original valves ONLY $7.76
THU297 Fill Valve Filter - for original valves ONLY (replaces THU229) $3.80
THU302 Fill Valve Diaphragm Cap - for original valves ONLY $4.88

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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:

Model Description Price & Quantity
THU013P Flush Valve for Many Toto One-Piece Toilets - Replaced by THU453.10C-A $31.81
THU331S Flapper for THU013P Flush Valve Replaced by THU499S $17.21
9BU002E Replacement Gasket for THU013P Flush Valve $4.57

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More Toto Flush Valves

Model Description Price & Quantity
Toto THU001Z flush valve THU001Z Flush Valve - Fits: Carolina (884) and Supreme (863/864) - Replaced by THU460.6D-A $33.43
Replacement Flapper - THU140S - Replaced by THU499S $17.21
"Will Fit" Replacement Flapper - 2022 $12.74
Replacement Gasket - 9BU002E $4.57
Toto THU002Z flush valve THU002Z Flush Valve - Fits: Ultimate (853/854) - Replaced by THU460.15E-A $33.52
Replacement Flapper THU140S - for THU002U and THU002Z flush valves - Replaced by THU499S $17.21
Replacement Seal Gasket - for THU460.15E-A flush valve tower $8.81
Replacement Gasket - 9BU002E (seals flush valve to tank)
- fits THU002N, THU002Z, and THU460.15E-A
$4.57
Toto flush valve - THU003N THU003N Counter-Balance Flush Valve - Fits: Prominence (894) Discontinued
Replacement Counter-Balance Flapper - THU092-4 $15.40
Replacement Flapper Seal - THU096 $5.89
Replacement Gasket - 9BU002E $4.57
Toto flush valve - THU014 THU014 Counter-Balance Flush Valve - Fits: Pacifica (904) - one-piece $31.76
Replacement Counter-Balance Flapper - THU092-5 $16.12
Replacement Flapper Seal - THU096 $5.89
Replacement Gasket - 9BU002E $4.57
Toto flush valve - THU106N THU106N Flush Valve - Fits: Promenade (723/724) - old style
Replaces THU342-A
Discontinued
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
$9.17
Replacement Flapper (THU303) for discontinued THU106N flush valve $14.96
Replacement Flapper (#2001X) for "Will-Fit" flush valve $3.90
Toto flush valve - THU128 THU128 Counter-Balance Flush Valve - Fits: Dorian (914) $34.80
Replacement Counter-Balance Flapper - THU092-8 $15.97
Replacement Flapper Seal - THU096 $5.89
Replacement Gasket - 9BU002E $4.57
Toto flush valve - THU128Z-1 THU128Z-1 Flush Valve - Fits: Bristol (866) and Plymouth/Willingham (924) - Replaced by THU460.6D-A $33.43
Replacement Flapper - THU140S - Replaced by THU499S $17.21
"Will Fit" Replacement Flapper - 2022 $12.74
Replacement Gasket - 9BU002E $4.57
Toto flush valve - THU129P-A THU129P-A Flush Valve - Fits: Drake (743/744), Mercer (755/756), Nexus (794), and Vespin (764) - Replaces THU129W-A & THU129ZE Discontinued use THU441.10J-A
"Will Fit" Replacement Flapper - 2021
Please view the parts page for your model to find Toto brand replacement flappers
$12.64
Toto flush valve - THU129P-2A THU129P-2A Flush Valve - Fits: Carrollton (744) and Whitney (754)
Replaces THU129W-2A & THU129P-6A
$35.21
Flapper only - THU369S - Replaced by THU499S $17.21
"Will Fit" Replacement Flapper - 2021 $12.64
Toto discontinued flush valve - THU129W-1A THU129W-1A Flush Valve - Fits: Pacifica (804) - two-piece Discontinued
see replacement below
Suitable Replacement Flush Valve - 540AKR - Fits: Pacifica (804) - two-piece $17.30
Flapper only - THU331S for THU129W-1A Flush Valve - Replaced by THU499S $17.21
"Will Fit" Replacement Flapper - 2021 $12.64
Toto flush valve - THU129W-4A THU129W-4A Flush Valve - Fits: Clayton (784) $31.58
Flapper only - THU331S - Replaced by THU499S $17.21
"Will Fit" Replacement Flapper - 2021 $12.64
Toto flush valve - THU129W-5A THU129W-5A Flush Valve - Fits: Promenade (423/424) - new style
- Replaced by THU129P-5A
Discontinued use THU442.21A-A
Replacement Flapper - THU369S - Replaced by THU499S $17.21
"Will Fit" Replacement Flapper - 2021 $12.64
Toto flush valve - THU129Z-3 THU129Z-3 Flush Valve - Fits: Dartmouth (753/754)
Replaces THU129P-3A
$34.97
Replacement Flapper - THU369S - Replaced by THU499S $17.21
"Will Fit" Replacement Flapper - 2021 $12.64

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Model Description Price & Quantity
Toto flush valve - THU151 THU151 Flush Valve - Fits: Dalton (733/734)
Replaces THU261-A
$34.74
Replacement Flapper - THU262 $13.68
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)
THU435 image not available
$48.50
Replacement Flush Valve Seal - 9BU102E - Replaces discontinued 9BU064E $4.56
Toto flush valve - THU245P-3 THU245P-3 Flush Valve - Fits: Carolina II (643/644) and Supreme II (634)
Replaces THU245W-3 - Replaced by THU460.6D-A
$33.43
Replacement Flapper - THU332S - Replaced by THU499S $17.21
Replacement Gasket - 9BU002E $4.57
Toto flush valve - THU249P-1 THU249P-1 Flush Valve - Fits: Eco Guinevere (974E) - Replaces THU249W-1 Replaced by THU453.6B-A $29.90
Flapper only - THU331S - Replaced by THU499S $17.21
Replacement Gasket - 9BU002E $4.57
Toto flush valve - THU249P-2 THU249P-2 Flush Valve - Fits: Eco Soiree (964E) - Replaced by THU453.10C-A $31.81
Flapper only - THU331S - Replaced by THU499S $17.21
Replacement Gasket - 9BU002E $4.57
Toto flush valve - THU251P THU251P Flush Valve - Fits: Eco Ultramax (853SE/854SE) - Replaced by THU453.10C-A $31.81
Replacement Flapper - THU347S - Replaced by THU499S $17.21
Replacement Gasket - 9BU002E $4.57

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
$18.59
Eco Dartmouth (754E)
Replaced by Drain Valve THU445.15G-A
$18.55
Eco Drake (743E/744E)
Replaced by Drain Valve THU443.10B-A
$18.57
Eco Drake Transitional (743EN/744EN)
Replaced by Drain Valve THU443.10B-A
Drake II (454)
Replaced by Drain Valve THU445.10F-A
$18.61
Entrada (243/244)
Replaced by Drain Valve THU443.10B-A
$18.57
Eco Nexus (794E)
Replaced by Flush Tower THU444.10D-A
$18.53
Vespin II (474)
Replaced by Flush Tower THU445.10F-A
$18.61
Replacement Flapper THU347S for THU252P-A - Replaced by THU499S $17.21

Model Description Price & Quantity
Toto flush valve - THU252W-2A THU252W-2A Flush Valve - Fits: Eco Whitney (754E) $28.22
Replacement Flapper - THU347S - Replaced by THU499S $17.21
Toto flush valve - THU252W-4A THU252W-4A Flush Valve - Fits: Eco Clayton (784E) - Replaced by THU444.15E-A $18.59
Replacement Flapper - THU347S - Replaced by THU499S $17.21
Toto flush valve - THU255-A THU255-A Flush Valve - Fits: Carusoe (713/714)
Replaces THU100N
$33.44
Replacement 2" Flapper - THU257 $16.03
Toto flush valve - THU264 THU264 Unique Drain Valve - Fits: Ryohan (984) $58.77
Replacement Gasket - 9BU002E $4.57
Toto flush valve - THU338 THU338 Dual Flush Valve - Fits: Aquia (654) - one-piece $27.41
Replacement Flush Valve Seal - 9BU088E $2.74
Toto flush valve - THU362-A THU362-A Dual Flush Valve - Fits: Rowan (405/406) $21.83
Replacement Flush Valve Seal - 9BU088E $2.74
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 $18.59
Flush Tower THU440-A - (includes THU407 flush tower seal gasket) $11.80
Replacement Flush Tower Seal Gasket THU407 $8.81
Replacement Gasket - 9BU002E (seals flush valve to tank)
- fits THU252P-A and THU444.15E-A flush valves
$4.57
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 $29.90
Flush Tower THU440-A - (includes THU407 flush tower seal gasket) $11.80
Replacement Flush Tower Seal Gasket THU407 $8.81
Replacement Gasket - 9BU002E (seals flush valve to tank)
- fits THU249P-1 and THU453.6B-A flush valves
$4.57
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 $31.81
Flush Tower THU440-A - (includes THU407 flush tower seal gasket) $11.80
Replacement Flush Tower Seal Gasket THU407 $8.81
Replacement Gasket - 9BU002E (seals flush valve to tank)
- fits THU013P, THU013W, THU249P-2, THU249W-2, THU251P, and THU251W and THU453.10C-A flush valves
$4.57
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
$33.43
Flush Tower THU460-A - (includes THU407 flush tower seal gasket) $11.79
Replacement Flush Tower Seal Gasket THU407 $8.81
Replacement Gasket - 9BU002E (seals flush valve to tank)
- fits THU001Z and THU460.6D-A flush valves
$4.57
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
$33.52
Flush Tower THU460-A - (includes THU407 flush tower seal gasket) $11.79
Replacement Flush Tower Seal Gasket THU407 $8.81
Replacement Gasket - 9BU002E (seals flush valve to tank)
- fits THU002N, THU002Z, and THU460.15E-A
$4.57

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Replacement Toto Flappers

Power Gravity 3" Flappers

Model Description Price & Quantity
Toto flapper - THU140S THU140S 3" Power Gravity Flapper - Replaced by THU499S $17.21
Toto will fit flapper "Will Fit" Power Gravity Flapper - Blue $12.74

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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
THU499S



$17.21
Toto flapper - THU332S THU332S 3" E-Max Flapper - Green -
Replaces THU275S on SOME Toto models
Toto flapper - THU347S THU347S 3" E-Max/Double Cyclone Flapper
Replaces THU253S & THU277S on SOME Toto models
Toto flapper - THU369S THU369S 3" G-Max Flapper - White
- Replaces THU138S, THU175S, THU331S & THU332S on SOME Toto models
Toto will fit flapper "Will Fit" G-Max Flapper - Red $12.64

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.

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Toto 2" Gravity Flush Flappers


Model Description Price & Quantity
THU257 2" Gravity Flush Flapper for Carusoe Toilets - Gray with Clear Cone $16.03
THU262 2" Gravity Flush Flapper for Dalton Toilets - Gray with Black Cone $13.68
THU303 2" Gravity Flush Flapper for Promenade Toilets - Gray with Clear Cone $14.96

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Power Gravity Counter-Balance Flappers


Model Description Price & Quantity
THU092-4 Power Gravity Counter-Balance Flapper for Prominence One-Piece Toilets $15.40
THU092-5 Power Gravity Counter-Balance Flapper for Pacifica One-Piece Toilets $16.12
THU092-8 Power Gravity Counter-Balance Flapper for Dorian One-Piece Toilets $15.97

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Gaskets, Tank to Bowl Bolt Kits, & Misc Parts

Flush Valve Gaskets & Seals

Flush valve gasket9BU002E Flush Valve Gasket
$4.57
Dual flush valve seal9BU102E (old #9BU064E) Dual Flush Valve Seal
$4.56
Dual flush valve gasket9BU088E Dual Flush Valve Gasket
$2.74

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Tank to Bowl Gaskets

3-inch tank to bowl gasket9BU024E 3" Tank Gasket
$5.35
Rubber tank to bowl gasket9BU062E Dual Flush Tank Gasket
$5.16

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Mounting Kits

Tank to bowl kitTSU01D Tank to Bowl Kit
$7.09
Seat mounting kitTHU651N Seat Mounting Kit
$10.34

THU044S - Bolt Cap Covers (1 pair) =

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TSU99A.X 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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