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Toto spares, Toto parts, Toto spare parts, Spare code No : THX174SF.

TOTO THX174SF is a genuine TOTO replacement spare part used for bathroom faucet/shower-related plumbing components. However, the exact part description for THX174SF is not clearly available in the publicly indexed TOTO spare-part listings I could verify. TOTO maintains a parts database where model numbers and replacement components are searched by part number and product compatibility.

Part details (THX174SF)

• Part number: THX174SF
• Brand: TOTO
• Category: TOTO plumbing spare part
• Application: Requires confirmation with the original TOTO product model (faucet/shower fitting)
• Suffix “SF”: Typically indicates a specific finish, configuration, or regional version in TOTO part numbering.

To identify the exact:

• Part name
• Function/use
• Compatible TOTO models
• Dimensions and material
• Installation location

please share either:

1. The TOTO product model number where THX174SF is fitted (example: TB…, TLG…, TH…, etc.), or
2. A photo of the spare part/package label.

I can then provide the exact THX174SF details.

TOTO spare part THX174SF is a shower/faucet-related replacement component, but the exact public TOTO description for this part number is not…

Toto spares, Toto parts, Toto spare parts, Spare code no : THB37.

TOTO THB37 is a genuine replacement Aerator Cap (Bubble Aerator Cap) for selected TOTO automatic/sensor faucets. It is installed at the outlet of the faucet spout and controls the quality of the water flow.

Part details

• Part number: THB37
• Part name: Aerator Cap (Automatic Faucet)
• Application: Selected TOTO automatic/sensor faucet models (Aqua Auto series)
• Installation location: Tip of the faucet spout
• Thread size: M16 × 1
• Overall size: Approximately Ø17.5 × 21.3 mm
• Material: Plastic cap with an integrated aerator screen and sealing components.

Functions

• Mixes air with water to produce a soft, aerated stream.
• Reduces splashing.
• Helps maintain a consistent water flow.
• Filters small debris before water exits the spout.
• Improves water efficiency and user comfort.

Compatible faucet series (examples)

THB37 is used on various TOTO automatic faucet models, including:

• TEN40 series
• TEN41 series
• TEN42 series
• TEN50 series
• TEN61 series
• TEN84 series
• TEN85 series
• TEN86 series
• TEN87 series (model compatibility should always be verified before ordering).

When to replace

• Water flow becomes weak or irregular after cleaning.
• The aerator is clogged with…

Toto spares, Toto parts, Toto spare parts, Spare code no : TC377-D1.

TOTO TC377-D1 is a genuine replacement Soft Close Unit (also referred to as the Soft Closing Functional Part) for the TOTO TC377 soft-close toilet seat. It restores the slow, controlled closing action of the toilet seat and lid.

Part details

• Part number: TC377-D1
• Part name: Soft Close Unit / Soft Closing Functional Part
• Application: TOTO TC377 toilet seat
• Quantity: 1 pair (left and right soft-close units)
• Construction: Engineering plastic housing with an internal hydraulic damping mechanism
• Installation location: Inside the hinge assembly of the toilet seat.

Functions

• Enables the toilet seat and lid to close slowly and quietly.
• Prevents slamming and reduces noise.
• Protects the hinges, seat, and toilet bowl from impact.
• Restores the original soft-close performance when the existing dampers wear out.

When replacement is needed

• The seat or lid drops suddenly instead of closing slowly.
• The soft-close action is weak, uneven, or no longer functions.
• The hinge damper is worn, damaged, or leaking.

Related TC377 spare parts

• TC377-D1 – Soft Close Unit (1 pair)
• TC377-E3 – Round Rubber Cushion (4 pieces)

If you need the exploded parts…

Toto spares, Toto parts, Toto spare parts, Spare code no : TC369-D2.

Based on available TOTO spare parts catalogs, TC369-D2 is identified as the Soft Closing Functional Part for the TOTO TC369 toilet seat.

TC369-D2 details

• Part number: TC369-D2
• Part name: Soft Closing Functional Part
• Application: TOTO TC369 soft-close toilet seat
• Quantity: Typically supplied as a pair (left and right soft-close dampers), though the package contents can vary by supplier.
• Material: Engineering plastic housing with an internal hydraulic damping mechanism.
• Function:Controls the slow, quiet closing of the toilet seat and/or lid.
• Prevents slamming, reducing noise and impact.
• Extends the life of the seat by minimizing mechanical shock.

Common signs it needs replacement

• Seat or lid slams shut.
• Soft-close action becomes uneven or stops working.
• Damper leaks oil or becomes loose.
• One side closes faster than the other.

If you're servicing a TC369 seat, I can also help identify the other compatible spare parts (hinges, cushions, bolt set, etc.) or provide an exploded parts diagram if you need it.

TOTO spare part TC369-D2 is the Soft Closing Functional Part used in the TOTO TC369 soft-close toilet seat. It is the damping…

Toto spares, Toto parts, Toto spare parts, Spare code no : TC301-E1.

The TOTO TC301-E1 spare part is the bolt cap (decorative hinge cap) for the TOTO TC301 soft-close toilet seat. It is a small plastic cover that snaps over the seat mounting bolts/hinges to:

• Hide the mounting bolts for a cleaner appearance.
• Protect the bolts from dust, dirt, and moisture.
• Improve the overall finish of the toilet seat installation.

It is not a functional hinge or soft-close mechanism—it is only the cover cap. If the hinge itself is broken, you would need a different spare, such as the hinge pin or hinge assembly.

If you're looking for other TC301 spares, the common ones are:

• TC301-E1 – Bolt cap (2 pieces)
• TC301-E2 – Lid cushion
• TC301-E3 – Seat cushions (4 pieces)

If you tell me which part of your TC301 seat is damaged, I can help identify the correct replacement part.

The TOTO TC301-E1 is a genuine replacement spare part for the TOTO TC301 soft-close toilet seat.

Part details:

• Part number: TC301-E1
• Part name: Bolt Cap / Decorative Cap (2-piece set)
• Quantity: 2 caps per pack
• Compatible model: TOTO TC301 toilet seat
• Material: Plastic
• Function:Covers the seat mounting bolts and hinge fasteners.
• Protects the bolts…

Toto spares, Toto parts, Toto spare parts, Spare code No : SHXBS08N.

This suggests one of the following:

• SHXBS08N is an internal manufacturing or assembly code rather than a customer-orderable spare part.
• It is a regional part number that is not published in the global parts catalog.
• The code may be incomplete or missing a prefix/suffix.
• It may only appear within the exploded parts list for a specific TOTO product model.

To identify the part, please provide one of these:

• The TOTO product model number (for example, TCF…, CW…, TBV…, SH…, etc.).
• A photo of the label showing SHXBS08N.
• A photo of the part itself.
• The type of product (toilet, cistern, washlet, faucet, shower, etc.).

With that information, I can determine:

• The official part name.
• Its function and specifications.
• Compatible TOTO models.
• Replacement or superseded part numbers.
• Where to purchase the correct replacement.

TOTO : Control unit, toto Powercable, toto Rubber flapper, toto Signal Cable& Conduit Pipe, toto Right hook,

toto Screw, toto Concealed Automatic Urinal Flush Valve, toto Shower Hanger & Screw, toto check nut & lock on cartridge, toto Controller Unit, toto Cartridge, toto Fill Valve, toto HANDLE/KNOB, toto…

Toto spares, Toto parts, Toto spare parts, Spare code no ; HCH08N-TO1.

The part number HCH08N-TO1 is listed as a Soft Closing Unit Set for TOTO toilet seats. It is the damper mechanism that enables the toilet seat and/or lid to close slowly and quietly instead of slamming shut.

Details

• Part Number: HCH08N-TO1
• Part Name: Soft Closing Unit Set
• Function: Replaces the soft-close damper mechanism in compatible TOTO toilet seats.
• Typical symptoms indicating replacement:Seat or lid slams shut.
• Soft-close action has become slow, uneven, or stopped working.
• Damper is leaking or damaged.

How to buy it frequently (for maintenance businesses)

If you regularly service TOTO products (hotels, apartments, commercial buildings, or maintenance contracts), you can:

1. Order through an authorized TOTO distributor or dealer in your country.
2. Keep a small inventory of frequently replaced seat parts, including:

• HCH08N-TO1 (Soft Closing Unit Set)
• HSP16-TO1 (Seat Cover Fixing Bracket Set)
• Rubber cushions and hinge kits for common TOTO seats.

For official TOTO replacement parts and support, see:

• TOTO Parts Purchase Information
• TOTO Parts Center

If you are in India, authorized TOTO dealers and service partners can often source …

Toto spares, Toto parts, Toto spare parts, Spare code no : 9E2039.

I searched the official TOTO parts resources and could not find any listing for TOTO spare part 9E2039. It does not appear as a valid service part number in the public TOTO parts catalogs.

Because of that, I can't reliably provide details such as:

• Part description
• Function or use
• Compatible TOTO models
• Dimensions or specifications

There are a few possibilities:

• The part number is mistyped (for example, 9E0239, 9E2939, etc.).
• It is an internal manufacturing or regional part number that isn't published in the public catalog.
• It is a component identified only through a specific product's exploded parts diagram.

If you can provide any one of the following, I can identify it:

• A photo of the part or its packaging.
• The TOTO product model number (e.g., TCF…, CW…, TBV…, TL…, etc.).
• The country where the TOTO product was purchased.
• A picture showing the printed code 9E2039.

With that information, I can determine the exact part name, its purpose, compatible models, and whether a replacement or superseded part number exists.

If you're trying to determine its use, the most likely way is to identify the product it came from. Please provide one…

Toto spares, Toto parts, Toto spare parts, Toto spare code no : THX174SF.

Based on the publicly available TOTO spare parts information, THX174SF is not documented with detailed technical specifications or engineering drawings. It appears to be an internal TOTO spare part number that is not described in public parts catalogs.

Publicly available information does not include:

• Part dimensions
• Material specification
• CAD or engineering drawings
• Internal construction
• Compatible model list

If you have the toilet seat or WASHLET model number that uses THX174SF (or a photo of the part or its label), I can help identify:

• The exact function of THX174SF
• Compatible TOTO models
• Replacement procedure
• Estimated dimensions and design (if you're reverse engineering it)
• A technical drawing or CAD concept based on the identified component

At present, there is no verified public documentation that identifies THX174SF in the way parts such as THX70V3 or TC377-D1 are documented.

The TOTO THX174SF is identified in public TOTO spare-parts listings as a Diverter Assembly for selected TOTO shower/bath mixer faucets. Its purpose is to switch the water flow between different outlets, such as a hand shower and an overhead…

Toto spares, Toto parts, Toto spare parts, Spare code no ; THX70V3.

The TOTO THX70V3 is a hinge fixing kit (mounting hardware) for selected TOTO soft-close toilet seats. It is not the soft-close damper itself, but the hardware used to securely attach the seat to the toilet bowl.

Part details

• Part number: THX70V3
• Part name: Hinge Fixing Kit / Hinge Set
• Function: Secures the toilet seat and hinge assembly to the toilet bowl while maintaining proper alignment.

Compatible models

Public parts lists identify THX70V3 as being compatible with:

• TC811SJ
• In some regional catalogs, it is also listed as the hinge set for TC282SJ (Santa Maria/Santo soft-close seat).

Typical contents

Although TOTO does not publish an exploded drawing for THX70V3, a hinge fixing kit of this type typically includes:

• Left and right hinge mounting brackets
• Mounting bolts/screws
• Nuts or expansion anchors
• Washers and spacers
• Decorative hinge caps (depending on the seat model)

Uses

The THX70V3 is used to:

• Fasten the toilet seat securely to the bowl.
• Keep the seat properly aligned.
• Support the soft-close hinge mechanism.
• Replace worn, corroded, or damaged mounting hardware without replacing the complete seat.

Related spare parts

For the…