Kohler

KOHLER Whitehaven 35-3/4″ Farmhouse Undermount Kitchen Sink Review

A KOHLER Whitehaven 6489-0 white cast iron 36 inch farmhouse undermount single-bowl kitchen sink.

  • 36 in farmhouse apron-front sink
  • Single bowl, 9 in deep, offset drain
  • Enameled cast iron, acid-resistant finish
  • Lifetime limited warranty, model 6489-0
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Pros

  • Large single bowl
  • Durable finish
  • Lifetime limited warranty

Cons

  • Very heavy to install
  • Weight in the table is wrong
  • Editorial review uses listing specs — not an independent lab stress test

At a glance

A KOHLER Whitehaven 6489-0 white cast iron 36 inch farmhouse undermount single-bowl kitchen sink.

A durable farmhouse sink that needs solid cabinet support.

  • 36 in farmhouse apron-front sink
  • Single bowl, 9 in deep, offset drain
  • Enameled cast iron, acid-resistant finish
  • Lifetime limited warranty, model 6489-0

Product Specifications

Brand
Kohler
Model
6489-0
Color
White
Size
36 Inch
Dimensions
35.6875 x 21.5625 x 9.625 inches
Weight
0.69 pounds
Warranty
KOHLER Cast Iron lifetime limited warranty
In the box
1

Our Review Approach

In this review, we evaluate the KOHLER Whitehaven 35-3/4" Farmhouse Undermount Kitchen Sink as a single bowl decision for readers of Big Home Improvements. The goal is practical: separate usable hub specs from packaging language so you can decide quickly.

Our Summary

KOHLER Whitehaven 35-3/4″ Farmhouse Undermount Kitchen Sink Review product image
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The KOHLER Whitehaven 6489-0 is for kitchen remodels that want a large farmhouse apron-front sink in white cast iron.

The sink is a single bowl, 35.7 by 21.6 by 9.6 inches, in enameled cast iron with an acid-resistant finish. The maker says it resists chipping, cracking and burning. The bowl is 9 inches deep, with a gently sloped bottom that leads to an offset drain that leaves more space under the sink. The listing says it is an apron-front design and an undermount for your countertop. The warranty is a KOHLER cast iron lifetime limited warranty. The model is 6489-0 and the color is white.

The table shows a weight of 0.69 pounds, which is an error, as a cast iron sink of this size is far heavier than that. Plan on the cabinet needing extra support and on two or more people for the install. The base cabinet must be cut to fit the apron front, so check the cabinet size. Drain, faucet and mounting parts may not be included, so check. Avoid dropping heavy pots and use gentle cleaners.

Who It Is For

KOHLER Whitehaven 35-3/4″ Farmhouse Undermount Kitchen Sink Review product image
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This style of kitchen improvement suits shoppers who already know they need single bowl coverage and want a Kohler option with transparent listing details.

It is a weaker match if you need a fully custom install, a different capacity class, or a feature the hub row simply does not list.

Trade-Offs and Limits

KOHLER Whitehaven 35-3/4″ Farmhouse Undermount Kitchen Sink Review product image
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Trade-offs are normal in single bowl. A design that wins on portability may give up enclosed storage; a long wireless claim may assume open line-of-sight; a high load rating usually assumes even distribution.

Our Storage Pick badge is editorial shorthand for “worth considering in this category,” not a guarantee for every floor plan, campsite, or property layout.

How It Compares

Against generic no-name alternatives, Kohler listings often win on clearer packaging and easier returns through Amazon — still read the live seller and fulfillment line.

Against premium ecosystems, this unit may look simpler. That can be a feature if you want fewer apps and more straightforward hardware.

Who Should Buy It

Buy the KOHLER Whitehaven 35-3/4" Farmhouse Undermount Kitchen Sink if the hub numbers and feature set line up with your single bowl job. Skip it if you need a capability the listing does not document.

Use the Amazon button on this page to check the current price, stock and seller details before you buy.

Our content is researched and drafted with AI assistance and reviewed by our team. Product details come from published specs, manufacturer information and owner reviews.

The Bottom Line

A durable farmhouse sink that needs solid cabinet support.

Check current price on Amazon →

As an Amazon Associate, Big Home Improvements earns from qualifying purchases.

Frequently Asked Questions

What stands out about the KOHLER Whitehaven 35-3/4" Farmhouse Undermount Kitchen Sink?

A KOHLER Whitehaven 6489-0 white cast iron 36 inch farmhouse undermount single-bowl kitchen sink.

Where can I check the current price?

Use the Amazon button on this page. Prices and stock change often, so we do not list them here.

Who is this single bowl product for?

Buyers who want a Kohler option in single bowl and prefer documented specs over vague marketing claims.