By Caleb MorganUpdated November 2026
Shopping for kohler bathtub faucet repair parts can be confusing, because Kohler tub faucets use several different valve, cartridge and diverter designs, and a kit that fits one model may not fit another. This list focuses on repair kits and replacement parts that owners commonly point to for the two most frequent problems: a tub spout that keeps dripping and a diverter that leaks or fails to send water to the shower. Each pick was assessed on what the listing states, how well it matches a typical Kohler diverter or valve setup, the breadth of included parts, and the feedback patterns owners often describe.
Our top picks at a glance
- 1
TOP CHOICEBest overallEnhon 2 Set Tub Spout Diverter Repair Kit (Brushed Nickel, Classic)View on Amazon - 2
TOP CHOICEBest for complete diverter rebuildsKOHLER Genuine Part Plumbing Fixture Repair SuppliesView on Amazon - 3
TOP CHOICEBest budget pickShower Diverter Repair Kit, Leaky Bathtub Faucet Replacement Parts (2pcs)View on Amazon - 4
Best for mixed or older tub setupsUniversal Bathroom Shower Bathtub Leaky Faucet Replacement Parts (2 Set)View on Amazon - 5
Best for valve body repairKOHLER Valve Repair KitView on Amazon - 6
Best for Niedecken-style fixturesKOHLER GENUINE PART GP30090 NIEDECKEN REPAIR KIT, BlackView on Amazon
Our Top Picks
Before you buy, it helps to know what kind of leak you have. If water comes out of the spout when the shower is running, the diverter is the likely culprit. If the spout drips even when the handle is fully closed, the valve or cartridge inside the wall is more often at fault. The table below summarizes how each kit fits those situations.
| Product | Best for | Key feature |
|---|---|---|
| Enhon 2 Set Tub Spout Diverter Repair Kit | Overall diverter leaks | Two sets of valve stems, cup seals and gates |
| KOHLER Genuine Part Plumbing Fixture Repair Supplies | Complete diverter rebuilds | Kohler-branded replacement supplies |
| Shower Diverter Repair Kit (2pcs) | Budget diverter repairs | Two valve stems, two seals and diverter gates |
| Universal Tub Spout Diverter Repair Kit (2 Set) | Mixed or older tub setups | Universal fit with two complete sets |
| KOHLER Valve Repair Kit | Valve body and drip repairs | Kohler-specified valve components |
| KOHLER GP30090 Niedecken Repair Kit | Niedecken-style fixtures | Model-specific Kohler repair kit |
Enhon 2 Set Tub Spout Diverter Repair Kit (Brushed Nickel, Classic)
Includes 2 x Diverter Valve Stems, 2 x Cup Seals and 2 x Gates, Bathroom Shower Bathtub Leaky Faucet Repair Replacement Parts Enhon 2 Set Tub Spout Diverter Repair Kit (Brushed Nickel, Classic)
Best for: Overall diverter leaks
This kit suits homeowners who want a complete set of diverter internals without matching a specific part number. It is a practical first choice when water leaks from the spout while the shower is on.
Key specs
- Includes 2 diverter valve stems
- Includes 2 cup seals
- Includes 2 diverter gates
- Designed as a two-set replacement kit
Pros
- Enough parts to replace the diverter internals on two fixtures or to keep spares on hand
- Covers the three components most often worn out in a leaking diverter
- Classic styling is suited to a brushed nickel finish
Cons
- Fit should be confirmed against your existing diverter before installing
- Does not include a valve cartridge, so it will not fix a drip at the handle
Bottom line: A strong first purchase for anyone whose tub spout leaks only when the shower is running.
KOHLER Genuine Part Plumbing Fixture Repair Supplies
KOHLER Genuine Part Plumbing Fixture Repair Supplies
Best for: Complete diverter rebuilds
Owners who prefer original-manufacturer components and want a repair that matches the faucet they already have will find this a sensible option. It is aimed at people who would rather not mix aftermarket parts with Kohler hardware.
Key specs
- Kohler-branded plumbing fixture repair supplies
- Intended for Kohler fixtures, not generic brands
Pros
- Original-manufacturer parts reduce fit uncertainty
- Useful for owners who want to keep the original finish and feel
- Well suited to a full diverter rebuild rather than a single worn part
Cons
- Listing detail on exact model compatibility is limited, so check your part number first
- May be a less comprehensive kit than multi-piece aftermarket sets
Bottom line: Best for owners who want genuine Kohler components and are willing to confirm compatibility before ordering.
Shower Diverter Repair Kit, Leaky Bathtub Faucet Replacement Parts (2pcs)
Shower Diverter Repair Kit, Leaky Bathtub Faucet Replacement Parts, Bathtub Spout for Fixing 2pcs Tub Spout Diverter Repair Kit, 2 Valve Stems, 2 Seals & Diverter Gates
Best for: Budget diverter repairs
This is a practical choice for a homeowner who needs to stop a spout leak without spending a lot on a full valve replacement. It covers the common diverter failure points at a modest cost.
Key specs
- 2 valve stems
- 2 seals
- Diverter gates included
- Two-piece set
Pros
- Covers the standard diverter wear items in one kit
- Good value for a single-fixture repair
- Simple parts list makes it easy to identify what you are replacing
Cons
- Aftermarket parts may differ slightly in finish or fit from original Kohler components
- Does not address a leak from the handle or cartridge
Bottom line: A budget-friendly choice for a straightforward spout leak on a single tub.
Universal Bathroom Shower Bathtub Leaky Faucet Replacement Parts (2 Set)
Universal Bathroom Shower Bathtub Leaky Faucet Replacement Parts, 2 x Diverter Valve Stems, 2 x Cup Seals and 2 x Gates 2 Set Universal Tub Spout Diverter Repair Kit Parts
Best for: Mixed or older tub setups
Homeowners with older or mismatched fixtures, or those who are not certain of their exact Kohler model, may find a universal kit more flexible. It is designed to cover several common diverter configurations.
Key specs
- 2 diverter valve stems
- 2 cup seals
- 2 diverter gates
- Two-set universal design
Pros
- Two complete sets provide spares or a second fixture repair
- Universal design can cover a wider range of diverter types
- Includes the main wear components
Cons
- Universal parts can require careful dimensional matching
- Not a Kohler-branded solution, so finish match may vary
Bottom line: Worth considering when you are unsure of the exact Kohler model or need parts for more than one tub.
KOHLER Valve Repair Kit
KOHLER VALVE REPAIR KIT
Best for: Valve body and drip repairs
When the tub spout drips even with the handle closed, the problem often sits in the valve rather than the diverter. This kit is aimed at owners who need to address the valve itself.
Key specs
- Kohler-branded valve repair kit
- Designed for valve-level repairs
Pros
- Targets the valve, the most common source of persistent drips
- Original Kohler components support a correct fit
- Useful when a diverter kit alone does not stop the leak
Cons
- Requires shutting off water and accessing the valve, which may need a wall access panel
- Confirm the valve type before ordering, since Kohler uses several designs
Bottom line: The right choice when the drip continues after the diverter has been addressed.
KOHLER GENUINE PART GP30090 NIEDECKEN REPAIR KIT, Black
KOHLER GENUINE PART GP30090 NIEDECKEN REPAIR KIT , Black
Best for: Niedecken-style fixtures
Owners with a Niedecken-style fixture, identified by its part number, will benefit from a kit built for that specific design. Matching the part number is the most important step before purchase.
Key specs
- Kohler genuine part, model GP30090
- Black finish as listed
Pros
- Model-specific design reduces compatibility guesswork
- Genuine Kohler component supports original performance
- Clear identification from the part number
Cons
- Only useful for the specific Niedecken design it was made for
- Limited use for other Kohler tub faucet models
Bottom line: Choose this only if your fixture matches the GP30090 design.
Buying Guide
Identify the Leak Source First
A leak from the spout while the shower runs points to the diverter. A drip from the spout with the handle off points to the valve or cartridge. Turning off the water supply and checking which component is worn saves money and avoids buying the wrong kit.
Good picks for this: Enhon 2 Set Tub Spout Diverter Repair Kit, KOHLER Valve Repair Kit
Confirm Your Kohler Model and Part Number
Kohler tub faucets come in many series. Look for a model or part number stamped on the faucet body, the valve housing or the packaging. Matching this number is the single most reliable way to avoid a fit problem.
Good picks for this: KOHLER Genuine Part Plumbing Fixture Repair Supplies, KOHLER GP30090 Niedecken Repair Kit
Check Diverter Type and Spout Size
Diverters come in several styles, including tub spout diverters and pull-up or push-button types. The stem diameter and gate shape must match. Measure the existing diverter stem before ordering, and take the old part to compare if you can.
Good picks for this: Universal Tub Spout Diverter Repair Kit (2 Set), Shower Diverter Repair Kit (2pcs)
Decide Between Genuine and Aftermarket Parts
Genuine Kohler parts are designed to the original tolerances and finish. Aftermarket kits can offer more pieces for the money, but finish and fit may vary. If the fixture is new or the finish is important, genuine parts reduce risk.
Good picks for this: KOHLER Valve Repair Kit, Enhon 2 Set Tub Spout Diverter Repair Kit
Count the Pieces You Actually Need
Many diverter kits include two sets of stems, seals and gates. Extra sets are useful for a second tub or as spares, but they add little value if you only need one replacement. Compare the included parts against the worn components you have identified.
Good picks for this: Shower Diverter Repair Kit (2pcs), Enhon 2 Set Tub Spout Diverter Repair Kit
Plan for Access and Installation
Valve repairs often require opening a wall access panel or working through the tub spout. Diverter repairs are usually easier and can be done from the spout side. Gather a basic tool set and allow time to shut off the water supply before starting.
Good picks for this: KOHLER Valve Repair Kit, Universal Tub Spout Diverter Repair Kit (2 Set)
Consider Finish and Long-Term Durability
Finish affects how well a replacement blends with the existing fixture. Brushed nickel and black finishes can differ noticeably in tone. Original parts generally hold their finish longer, while aftermarket finishes may fade sooner under frequent use.
Good picks for this: KOHLER Genuine Part Plumbing Fixture Repair Supplies, Enhon 2 Set Tub Spout Diverter Repair Kit
FAQ
How do I know if my Kohler tub faucet needs a diverter kit or a valve kit?
If water leaks from the spout only when the shower is on, the diverter is the likely cause. If the spout drips with the handle fully closed, the valve or cartridge is more likely at fault. Testing with the shower running and then with the handle off helps narrow it down.
Can I use a universal diverter kit on a Kohler tub?
Often yes, but measure the stem and gate dimensions first. Universal kits are designed to cover several configurations, yet a close match matters for a leak-free seal.
Do I need to shut off the water before repairing a Kohler bathtub faucet?
Yes. Shut off the water supply at the isolation valves or the main shutoff, then open the tub faucet to relieve residual pressure before disassembly.
How long does a diverter repair usually take?
A diverter swap on an accessible tub spout is generally a short job for a homeowner with basic tools. Valve work that requires opening a wall can take considerably longer. Estimates vary with experience and access.
Are genuine Kohler parts better than aftermarket ones?
Genuine parts are designed to the original specifications and finish, which reduces fit risk. Aftermarket kits can be a reasonable choice when the exact part is unavailable or when you need several spares, but compatibility should be verified.
What if the leak continues after I replace the diverter?
A persistent drip after a diverter repair often points to the valve or cartridge. Check the valve for wear, and consider a valve repair kit or a professional plumber if the source remains unclear.
Conclusion
For most spout leaks that appear only when the shower runs, the Enhon 2 Set Tub Spout Diverter Repair Kit offers a broad set of diverter components. Owners who want genuine Kohler parts should look at the KOHLER Genuine Part Plumbing Fixture Repair Supplies, while those on a tighter budget may prefer the Shower Diverter Repair Kit with two valve stems and seals. For mixed or older setups, the universal two-set kit is the most flexible. If the drip continues from the handle, the KOHLER Valve Repair Kit addresses the valve itself, and the KOHLER GP30090 Niedecken Repair Kit suits that specific design only. Matching your model or part number before ordering remains the most important step.
Sources
- Consumer product safety guidance on plumbing and home repair hazards (cpsc.gov)
- WaterSense information on fixture leaks and water waste from dripping faucets (epa.gov)
- Home water heating and fixture efficiency basics (energy.gov)
Related reading
- Kohler Artifacts Bathtub Faucet: Identify, Repair and Maintain It (Step-by-Step)
- Delta Champagne Bronze Bathtub Faucet: Finish Care and Repair Guide (2026)
- Delta Bathtub Faucet Repair Kit: Step-by-Step Fix for Leaks and Drips
- Bathtub Faucet Diverter Repair Kit: 6 Best Picks for Leaks (2026)
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.
