Model # K-3658-G9

Internet #203780329

Store SO SKU #1000475143

KOHLER Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in Sandbar
0650531947413

KOHLER

Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in Sandbar

  • Comfort Height offers chair-height seating (about 2 in. taller)
  • Class 5 Flush exposes 90% less seal material (see video)
  • Toilet seat sold separately
$307.76 /each
Color/Finish: Sandbar
  • Almond
  • Biscuit
  • Black Black
  • Ice Grey
  • Sandbar
  • White

Frequently Bought Together

Product Overview

With its clean, simple design and efficient performance, this Highline water-conserving toilet combines both style and function. An innovative 1.28-gal. flush setting provides significant water savings of up to 16,500 gal. per year, compared to an old 3.5-gal. toilet, without sacrificing flushing power. The elongated seat and chair-like height ensure comfortable use.

  • Elongated bowl offers added room and comfort
  • Standard left-hand polished chrome trip lever included
  • 1.28 gal. per flush
  • Combination consists of the K-4436 tank and the K-4199 bowl
  • Single-flush gravity uses the force of gravity and a precision-engineered tank, bowl, and trap-way to create a strong siphon during flushing
  • Seat not included
  • Features to consider when buying a toilet

Info & Guides

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Specifications

Dimensions

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Warranty / Certifications

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Customer Questions & Answers

41 Questions61 Answers

Customer Questions & Answers

Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in Sandbar
Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in Sandbar

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1 answer

If I need to buy a replacement lid for this toilet tank, what model number should I buy?

This question is from Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in Almond
Asked by
Austin, TX
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August 30, 2016
The lid is broken and I need to purchase an Almond lid for the Kohler K-3658-47 Highline Classic Class Five Comfort Height Toilet
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Answer (1)

August 30, 2016
Answer: 
Hello, my name is Aimee with Kohler Customer Service. I am happy to assist you with your tank cover question.
The tank that fits model 3658-47 is model 84591-47.
Please work with your local Home Depot for pricing and availability on this product.
Thank you for choosing the Bold Look of KOHLER.
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1 answer

Carry K-14799-0?

This question is from Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in White
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August 22, 2016
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Answer (1)

August 23, 2016
Answer: 
Please work with your local Home Depot for pricing and availability on this product.
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1 answer

Why does the seat come off when the guys lift it? And how can I make it stay on?

This question is from Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in White
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August 10, 2016
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August 12, 2016
Answer: 
Hello, my name is John with KOHLER Customer Service. I am happy to assist you with your question.
I apologize you were unable to find the information you were looking for. We are sorry to hear about the issue you are having with your Kohler product. We design our products with customers like you in mind. We would love to speak further about your issue so we can help provide a resolution. Please call
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Hello, my name is John with KOHLER Customer Service. I am happy to assist you with your question.
I apologize you were unable to find the information you were looking for. We are sorry to hear about the issue you are having with your Kohler product. We design our products with customers like you in mind. We would love to speak further about your issue so we can help provide a resolution. Please call our Customer Care Center at 1-800-4KOHLER. (1-800-456-4537).
Thank you for your inquiry and choosing the Bold Look of KOHLER.
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1 answer

Is this an insulated tank? Or does this model have a version with an insulated tank to reduce condensation?

This question is from Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in Biscuit
Asked by
Michigan
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July 19, 2016
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Answer (1)

July 20, 2016
Answer: 
Hello, my name is Leah with KOHLER Customer Service. I am happy to assist you with your toilet question.
I apologize you were unable to find the information you were looking for. I apologize, this Highline model is not a lined tank. The model that is most similar that will have a lined tank is 3999-U-96
Please work with your local Home Depot for pricing and availability on this product.
Thank you
Read More
Hello, my name is Leah with KOHLER Customer Service. I am happy to assist you with your toilet question.
I apologize you were unable to find the information you were looking for. I apologize, this Highline model is not a lined tank. The model that is most similar that will have a lined tank is 3999-U-96
Please work with your local Home Depot for pricing and availability on this product.
Thank you for choosing the Bold Look of KOHLER.
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Customer Reviews

Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in Sandbar is rated 4.2 out of 5 by 37.
Rated 1 out of 5 by from Broken toilet. Toilet came I'm with a broken bowl. I wanted to reorder and bring in just that piece. I'm lazy. Manager said no I would have to return it all then reorder. I told him if I bring it all there will be no reorder. He said he understood. So I went to lowes and ordered my new toilet.
Date published: 2017-01-04
Rated 5 out of 5 by from Very pleased We didn't do the installation but that seemed to go well. The product itself is wonderful. We love the comfort height and the water savings. Even though it uses much less water it flushes with plenty of force to do the job. The color was perfect for us.
Date published: 2016-09-13
Rated 4 out of 5 by from Readily installed and works well. We bought the color "biscuit" to be just off-white. and were s... Readily installed and works well. We bought the color "biscuit" to be just off-white. and were surprised to not be able to find a matching color lid -- we settled for "bone" lid which was close. If could have found matching lid, would rate 5 stars.
Date published: 2016-12-09
Rated 5 out of 5 by from as promised Am very happy with this purchase. Great height and color as promised. Flush is powerful and very quick, Will be purchasing a second one for the other bathroom
Date published: 2016-09-13
Rated 1 out of 5 by from DO NOT EVEN THINK OF BUYING ORDERED ON LINE, PICKED UP AT STORE, BOXES WERE BROKEN, COLOR WAS WRONG , PRODUCT WAS BROKEN...ORDER CANCELLED and WENT TO Lowes TO BUY.
Date published: 2016-08-30
Rated 5 out of 5 by from Kohler Highline Toilet Very good . Easy to install. Easy to use. Carol at my Home Depot was fun to work with.
Date published: 2016-08-16
Rated 5 out of 5 by from Just a bit higher makes a big difference. Uses so little water, it's unbelievable. Just a bit higher makes a big difference. Uses so little water, it's unbelievable.
Date published: 2016-10-25
Rated 5 out of 5 by from This toilet will flush anything. I bought this toilet about10 months ago and it is the best toilet I have ever had. It flushes everything very thoroughly. I believe that I could put a shovel full of dirt and a dozen ping pong balls in there and it would cleanly dispose of it all in one flush. Thanks for a great toilet.
Date published: 2016-02-08
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