what is the inside hole dimensions not the outgide dimensions?

This seat opening measures 8" at the widest point and 12" at the longest point. Sincerely, Your American Standard Consumer Connection Team.

Will this fit American Standard model 4225A?

Hello, The 4225A is your tank number, so it would depend on the bowl you have. If you have a standard, elongated bowl, this seat will work. Thank you, Your Consumer Connections Team

Will this fit on a american standard with 6.0 lpf and 1.6 gpf ?

The numbers that you are providing are only the liters and gallons per flush of the toilet. That doesn't indicate what shape of bowl you have. This seat fits on a standard elongated toilet bowl. Sincerely, Your American Standard Consumer Connection Team

What is the length of the seat from the center of the bolt holes to the front edge of the seat?

About 18 1/2 inches. This fit all 3 of my toilets.

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- Transitional Elongated Toilet Seat, Soft Close, White

Product ID: 289318178

Details

Brand
American
Color
White
Item Weight
2.9 pounds
Material
Polypropylene
Number of Items
1
Product Dimensions
18.63"L x

💪Durable polypropylene build

🔇Soft-close quiet hinges

🛠️Easy bottom mount installation

¥26041

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Description

🚽 Upgrade your throne with silent sophistication!

UNIVERSAL FIT - Fits most elongated toilets for a hassle-free upgrade.
WHISPER QUIET CLOSE - Say goodbye to slams with smooth, silent seat and lid closure.
DURABILITY MEETS HYGIENE - Made from glossy polypropylene for long-lasting strength and easy cleaning.
HASSLE FREE INSTALLATION - Includes bottom mount hardware for quick, secure setup.
SLEEK TRANSITIONAL DESIGN - Effortlessly elevate your bathroom’s style with a clean, modern look.

The American Standard Transitional Elongated Toilet Seat combines durable polypropylene construction with a sleek, easy-to-clean design. Featuring soft-close hinges to eliminate slamming noise, it fits most elongated toilets and includes bottom mount hardware for straightforward installation—perfect for a quiet, stylish bathroom upgrade.

Specifications

ASIN	B084JHKFCW
Best Sellers Rank	#2,439 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #15 in Toilet Seats
Brand Name	American Standard
Color	White
Customer Reviews	4.3 4.3 out of 5 stars (2,260)
Included Components	Toilet Seat, mounting hardware
Item Dimensions L x W	18.63"L x 14.19"W
Item Highlight	Slow Close Toilet Seat: Includes Bottom Mount Hardware, Durable Solid Plastic, Easy Clean, Fits Elongated \| 5503A00B.020
Item Type Name	Slow-Close Toilet Seat
Item Weight	2.9 pounds
Manufacturer	American Standard
Manufacturer Part Number	5503A00B.020
Material Type	Polypropylene (PP)
Model Number	5503A00B.020
Number of Items	1
Number of Packs	1
Operation Mode	Manual
Shape	Oblong
Style	Elongated Front
UPC	791556105287
Unit Count	1 Count

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¥26041

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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