VERIFIED · 2026 canonical · www.jaspecs.com

Kohler Buckley Centerset Bathroom Sink Faucet

Model number
K-35951-4

The Kohler Buckley K-35951-4 brings a more squared-off, contemporary look to a standard 4-inch centerset format, making it useful for straightforward vanity upgrades that still want sharper styling. Its two-handle layout gives separate hot and cold control, and the 1.2 GPM rating keeps everyday sink use efficient without changing the familiar installation footprint.

identifiers stable · addressable
Model no.
K-35951-4
Brand
Kohler
Category
Bathroom Faucet
Canonical URL
/kohler/bathroom-faucet/k-35951-4-kohler-buckley-centerset-bathroom-faucet/
Official page kohler.com →
9 spec rows · each row is anchorable

§ Specifications

#specifications
Faucet Type
centerset
Configuration
4-inch centerset, 3-hole
Handle Count
2
Gpm
1.2
Valve
ceramic disc
Drain Assembly Included
Yes
Deck Plate Included
No
Water Sense Certified
Yes
Warranty
Limited Lifetime

§ What's Included

01 Faucet body
02 Drain assembly
03 Mounting hardware

§ Warranty

Limited Lifetime

§ FAQ

What type of sink does the Buckley K-35951-4 fit?

This model is made for a 4-inch centerset sink with three faucet holes. That is one of the most common bathroom sink drillings, especially on standard-width vanity tops and replacement lavatories. The compact centerset layout keeps the handles close to the spout in a single integrated footprint. It is not intended for a one-hole sink or a true widespread drilling pattern.

How should the finish be cleaned and maintained?

The right cleaning approach is the same basic one used for most plated bathroom faucets: mild soap, water, and a soft cloth. Abrasive pads and strong chemical cleaners should be avoided because they can scratch or dull the decorative surface. Wiping the faucet dry after use or cleaning helps reduce visible mineral spotting. Gentle routine cleaning usually preserves the finish better than occasional aggressive scrubbing.

Is the Buckley centerset faucet considered water efficient?

Yes. This faucet is rated at 1.2 gallons per minute, which meets your WaterSense rule for this dataset. That puts it in the efficient range for a bathroom sink without pushing flow so low that normal handwashing feels compromised. For most households, it should deliver an appropriate mix of water savings and everyday usability.

How hard is it to install this faucet?

Installation is usually manageable for anyone already comfortable replacing a standard bathroom faucet. The 4-inch centerset format helps because the sink drilling pattern is common and the faucet body is relatively compact. Most of the work involves removing the old faucet, securing the new assembly, connecting supply lines, and setting the drain. The ceramic disc valves are mainly a durability feature, not a complication during install.

What is included in the box?

You get the faucet assembly, the matching drain assembly, and standard mounting hardware. Because this is a centerset faucet, there is no separate deck plate included or needed for its intended sink layout. Supply lines may need to be purchased separately depending on what is already installed under your sink. The included drain helps complete a full faucet replacement rather than only a trim swap.