Kohler K-2907-8U Almond Thoreau 18-1/4" Cast Iron Undermount Bathroom Sink with 3 Holes Drilled and Overflow

- Item #: BCI166070

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  • P Trap Recommended

Product Features:

  • Oval basin couples functionality with aesthetic appeal
  • Covered under Kohler's limited lifetime sink warranty
  • Constructed of enameled cast-iron which combines strength, durability and insulation benefits
  • High-gloss enamel finish ensures durability and beauty
  • Pleasing look for a range of bathroom styles
  • Undermount installation delivers the classic look and feel to any bathroom
  • Center drain location provides optimal draining capability
  • Equipped with overflow drain - works in tandem with the primary to prevent an overflow or spillage
  • All hardware needed for installation included

Product Technologies / Benefits:

  • Undermount Sinks: Create a seamless counter-to-basin transition. Sleek styles and ease of cleaning are what makes these the preferred design choice.
  • Enameled Cast-Iron: Kohler Enameled Cast-Iron combines the strength, durability, and insulation benefits of cast-iron with the scratch, chip, and burn resistance of a baked, powder coat finish and comes with an exceptional Lifetime Limited Warranty. These materials combined give the sink or tub the strength to last a lifetime of use. Another benefit is that Kohler Enameled Cast-Iron is available in a wide variety of specialty colors to truly customize your home.

Product Specifications:

  • Overall Length: 24" (measured from the left outer rim to the right outer rim)
  • Overall Width: 18" (measured from the back outer rim to the front outer rim)
  • Height: 8-5/8" (measured from the bottom of sink to the top of the rim)
  • Basin Width: 11" (measured from the back inner rim to the front inner rim)
  • Basin Length: 18-1/4" (measured from the left inner rim to the right inner rim)
  • Basin Depth: 4-3/4" (measured from the center of basin to the rim)
  • Installation Type: Undermount
  • Number of Faucet Holes: 3
  • Drain Outlet Connection: 1-11/16"


  • K-2907-8U: This model
  • K-2907-4U: 4" faucet center version of this model

Additional Kohler Links

Our SKU: Kohler K-2907-8U

This product is listed under the following manufacturer number(s):

  • Kohler K-2907-8U-47
  • Kohler K-2907-8U-96
  • Kohler K-2907-8U-7
  • Kohler K-2907-8U-K4*
  • Kohler K-2907-8U-95*
    Ice Grey
  • Kohler K-2907-8U-55*
    Innocent Blush
  • Kohler K-2907-8U-33*
    Mexican Sand
  • Kohler K-2907-8U-52*
  • Kohler K-2907-8U-G9*
  • Kohler K-2907-8U-71*
    Seafoam Green
  • Kohler K-2907-8U-6*
  • Kohler K-2907-8U-Y2*
  • Kohler K-2907-8U-NG*
    Tea Green
  • Kohler K-2907-8U-58*
    Thunder Grey
  • Kohler K-2907-8U-97*
  • Kohler K-2907-8U-0
  • Kohler K-2907-8U-45*
    Wild Rose

*Denotes a finish or option that has been discontinued

Kohler K-2907-8U-47 Product Specifications

Specification Sheet
Installation Guide
Approved for Commercial Use Yes
Basin Depth 4.75
Basin Length 18.25
Basin Width 11
Country Of Origin USA
Drain Assembly Included No
Drain Connection 1.688
Drain Placement Center
Faucet Centers 8
Faucet Hole Size 1.38
Faucet Holes 3
Faucet Included No
Height 8.63
Installation Type Undermount
Length 18
Made in America Yes
Material Cast Iron
Mounting Type Widespread
Number Of Basins 1
Overflow Yes
Sink Shape Oval
Theme Traditional
Width 11

Installation Resource Center

Whether you are installing the product yourself or hiring a professional, our installation Resource Center has everything you need to get your project done. Visit the Installation Resource Center to get started.

Kohler K-2907-8U Reviews

  • The picture looks like an undermount, but the description says it's self-rimming...which is it?

    A. The Kohler K-2907-8U is an undercounter mounted sink.

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