Caleb MorganBy Caleb Morgan

Updated November 2026

A kohler faucet parts replacement catalog lets you match a worn or broken component to the exact part number your faucet needs. Once you know the model series and the part name, you can order a replacement with confidence instead of guessing. This guide shows you how to gather the right information and use the catalog correctly.

Gather Your Faucet Information First

Kohler catalogs are organized by faucet series, so you need to identify your model before you look at any diagram. Check the underside of the sink or the back of the spout for a model number, which usually begins with a letter and a string of digits. Many Kohler faucets also carry a model stamp on a metal plate near the base of the handle or inside the cabinet.

Shopping for one? See our guide: 6 Best Kohler Bath Faucet Repair Kits and Parts Compared (2026).

If the stamp is worn away, measure the spout height and reach, count the number of handles, and note whether the handle is a single lever or two separate knobs. These details narrow the search quickly.

Use the Catalog Diagram to Match the Part

Once you have the series, open the exploded diagram. Each component is numbered, and the matching number appears in the parts list beside it. Look for the number that corresponds to the worn part, such as the cartridge, aerator, O-ring, or handle screw.

  1. Locate the exploded view for your faucet series.
  2. Find the component that is failing and note its reference number.
  3. Cross-check the part name and description against the parts list.
  4. Record the full part number exactly as printed, including any letter suffix.

Before ordering, compare the old part to the photo or drawing. Small differences in a cartridge stem or spout adapter can mean a different part number entirely.

Confirm Compatibility Before You Order

Kohler has updated some faucet lines over the years, so a part that looks identical may not fit. Check the year the faucet was installed if you know it, and confirm that the replacement is listed for your specific series. A few factors matter most:

  • Series or model code: the part must match the series, not just the brand.
  • Hole configuration: single-hole and three-hole faucets use different components.
  • Handle type: lever and knob handles usually need different parts.

Our library includes related guides, such as Kohler Kitchen Faucet Parts: How to Identify and Replace the Right Ones, which walk through identification in more detail.

Replacement Steps for Common Kohler Parts

Most replacement jobs follow the same sequence. Shut off both supply valves under the sink, open the faucet to release pressure, and take photos of the assembly before disassembling anything. Remove the handle, unscrew the retaining nut or cap, and lift out the cartridge or valve component. Install the new part in the same orientation, reassemble, and test for leaks with the valves slowly reopened.

For bath and tub applications, the steps change slightly. If your faucet includes a diverter, the diverter stem and cartridge often need to be serviced together. Kohler Tub Faucet With Diverter: Step-by-Step Repair and Replacement Guide covers that process.

A few basic tools make disassembly and reassembly far easier when you swap a Kohler component.

  • Adjustable wrench: useful for loosening nuts that are packed with mineral deposits. View on Amazon
  • Plumber’s silicone grease: keeps O-rings seated and reduces friction during reassembly. View on Amazon
  • Hex key set: many Kohler handles are secured with set screws that need hex drivers. View on Amazon

Common Mistakes

  • Ordering by faucet name alone instead of the model number and series.
  • Skipping the photo step, which makes reassembly harder to get right.
  • Forgetting to close both supply valves before disassembly.
  • Overtightening the retaining nut, which can crack plastic components.
  • Ignoring small O-rings, which often cause the leak even when the cartridge is fine.

FAQ

Where do I find my Kohler faucet model number?

Look under the sink or behind the spout for a metal plate or stamped code. If it is not visible, measure the faucet and check the handle style to narrow the series.

Can I use a part from a different Kohler series?

Sometimes, but it is risky. Parts that look similar can differ in size or thread pattern, so confirm the series listed in the catalog before buying.

Should I call a professional for a replacement?

Most homeowners can handle a cartridge or O-ring swap with basic tools. If you are dealing with corroded supply lines or water damage, consult a licensed plumber.

Conclusion

Identifying your model, matching the diagram number, and confirming compatibility are the three steps that prevent wasted orders. Once you have the correct part number from the kohler faucet parts replacement catalog, the swap itself is usually straightforward. Take your time, photograph each step, and test for leaks before you consider the job finished.

Ready to choose one?

Caleb Morgan

About Caleb Morgan

Caleb Morgan is part of our editorial team and reviews and edits our kitchen faucets & sinks guides, checking product details against manufacturer specifications and owner feedback.