Change Moen Bathroom Faucet Cartridge: 5 Best Replacements (2026)

Updated November 2026

If your Moen bathroom faucet drips, sticks or delivers water that never quite reaches the temperature you set, the cartridge is the most likely culprit, and learning how to change a Moen bathroom faucet cartridge is usually a one-hour job with basic tools. The hard part is ordering the right part. Moen has used several cartridge designs across its single-handle and double-handle lines, so a cartridge that fits one faucet may not fit another. This guide compares five replacement cartridges listed on Amazon US, using the criteria below: whether the part matches a common Moen configuration, how clearly the listing identifies its compatibility, the build material, and the patterns owners tend to mention in their feedback.

Selection criteria: We looked at listed compatibility, stated materials, whether the item is a genuine Moen part or a clearly identified equivalent, and recurring themes in owner feedback about fit and leaks. We did not install or test any of these cartridges ourselves, and the information below reflects specifications and reported patterns rather than hands-on trials.

Our Top Picks

Quick Comparison

Product	Best for	Key feature
MOEN 1224 Replacement Faucet Cartridge Kit	Most double-handle Moen faucets	Listed to fit a wide range of double-handle and tub/shower models
Moen 1234 Duralast Handle Replacement Cartridge	Double-handle bathroom and kitchen faucets	Duralast design with hot or cold replacement function
Moen Single-Handle Replacement Ceramic Cartridge, 4000	Single-handle ceramic-disc faucets	Ceramic cartridge for smooth, long-running control
Moen 1225 Magnum One-Handle Faucet Cartridge Replacement Kit, Brass	Magnum one-handle faucets	Solid brass construction
Moen Commercial Sink Faucet Cartridge Replacement Metering Lavatory, 52100	Metering lavatory faucets	Brass material for self-closing style sinks

MOEN 1224 Replacement Faucet Cartridge Kit

Best for: Most double-handle Moen faucets and tub/shower valves

This is the cartridge to consider if your faucet has separate hot and cold handles and you want the broadest compatibility. It suits homeowners who have an older Moen double-handle faucet and need a replacement that is listed for many models rather than one specific series.

Key specs

• Designed as a replacement cartridge for double-handle Moen faucets
• Listed as compatible with tub and shower applications as well as sinks
• Sold as a replacement cartridge kit

Pros

• Broad listed compatibility across double-handle models
• Straightforward swap for a worn cartridge
• Widely used part number that is easy to cross-check against your faucet

Cons

• Compatibility lists can be long, so you still need to match your model carefully
• Not suited to single-handle faucets

Bottom line: A good first choice if you have a double-handle Moen and want a part with wide listed fit. Confirm your faucet model before ordering.

View on Amazon

Moen 1234 Duralast Handle Replacement Cartridge

Best for: Double-handle bathroom and kitchen faucets that need a hot or cold replacement

This cartridge fits homeowners who want a replacement for one side of a two-handle faucet and who may be working on a kitchen or bathroom fixture. Its listing emphasizes the Duralast design and bathroom and kitchen compatibility.

Key specs

• Two-handle cartridge for hot or cold side replacement
• Listed for both bathroom and kitchen faucet use
• Duralast design as named in the listing

Pros

• Versatile across bathroom and kitchen two-handle faucets
• Replaces only the failing side, which can keep repair costs of parts down
• Clearly marketed as a repair part rather than a full faucet

Cons

• Matching the correct hot or cold orientation is essential
• Listing details should be checked against your existing cartridge before buying

Bottom line: Best for owners who want a targeted repair on a two-handle faucet and can confirm the correct side and model.

View on Amazon

Moen Single-Handle Replacement Ceramic Cartridge, 4000

Best for: Single-handle ceramic-disc faucets

This cartridge is aimed at single-lever faucets where the handle controls both flow and temperature. Owners of single-handle Moen bathroom faucets who notice dripping or a stiff lever often look for a ceramic replacement of this type.

Key specs

• Single-handle replacement ceramic cartridge
• Designed for single-lever control of flow and temperature
• Listed as model 4000 in the product name

Pros

• Ceramic design is widely associated with smooth, long-lasting operation
• Single-lever compatibility matches a large share of modern bathroom faucets
• Clear model identifier in the title helps with matching

Cons

• Not interchangeable with double-handle cartridges
• Single-handle cartridges come in several shapes, so measuring the old one is advisable

Bottom line: The right pick for most single-handle Moen bathroom faucets, provided the cartridge shape matches your existing part.

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Moen 1225 Magnum One-Handle Faucet Cartridge Replacement Kit, Brass

Best for: Magnum one-handle faucets that owners want to repair with a brass part

Owners who value a brass body and a part labeled as a genuine Moen component often choose this kit. It is listed for both kitchen and bathroom faucets, which makes it useful if you are maintaining more than one fixture.

Key specs

• Brass material as named in the product title
• One-handle Magnum cartridge replacement kit
• Listed for kitchen and bathroom faucets

Pros

• Brass construction is commonly preferred for durability
• Listed as a genuine Moen part, which helps with fit confidence
• Suitable for either kitchen or bathroom use

Cons

• Magnum designs are specific, so confirming the model number matters
• Kit format may include parts you do not need if your cartridge is a simple swap

Bottom line: A solid choice for owners of a Moen Magnum one-handle faucet who want a brass replacement from the same brand.

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Moen Commercial Sink Faucet Cartridge Replacement Metering Lavatory, 52100

Best for: Metering lavatory faucets and self-closing style bathroom sinks

This cartridge is for a different category: metering or self-closing lavatory faucets, often found in public restrooms and some commercial-style installations. If your faucet closes automatically after a set time, this is the type of cartridge to compare against yours.

Key specs

• Brass material as named in the listing
• Designed as a replacement cartridge for metering lavatory faucets
• Listed model number 52100

Pros

• Specific to metering lavatory use, so fit is narrowly targeted
• Brass construction suits high-use installations
• Clear model number helps owners verify compatibility

Cons

• Not a match for standard residential single-handle or double-handle faucets
• Owners should confirm the metering mechanism before ordering

Bottom line: Only the right choice if your sink is a metering lavatory faucet. Skip it for ordinary home faucets.

View on Amazon

Buying Guide

Identify your faucet type first

Moen cartridges divide mainly into single-handle and double-handle designs, with specialty types for metering lavatories. Check whether your faucet has one lever or two handles, and whether the cartridge sits inside the body near the handle base. Taking a clear photo of the faucet and the cartridge before you remove anything makes ordering much easier.

Good picks for this: MOEN 1224 Replacement Faucet Cartridge Kit, Moen Single-Handle Replacement Ceramic Cartridge, 4000

Match the model number

Moen often prints a model or series number on the faucet body, under the handle, or in the installation manual. Matching this number to the cartridge listing is the most reliable way to confirm fit. Listings sometimes group several compatible models, so compare the full list rather than assuming.

Good picks for this: Moen 1234 Duralast Handle Replacement Cartridge, Moen 1225 Magnum One-Handle Faucet Cartridge Replacement Kit, Brass

Measure the old cartridge

Remove the old cartridge and compare its height, diameter and the pattern of the stem slots against the listing images. Single-handle cartridges in particular differ in height and internal geometry. Bring the old part to a hardware store or keep it on hand for reference when the new one arrives.

Good picks for this: Moen Single-Handle Replacement Ceramic Cartridge, 4000, MOEN 1224 Replacement Faucet Cartridge Kit

Choose the right use case

A residential bathroom faucet and a public metering lavatory faucet work very differently. Self-closing units use a timed mechanism, and a standard cartridge will not fit or operate correctly. Decide whether your sink is ordinary home plumbing or a metering fixture, then narrow your options.

Good picks for this: Moen Commercial Sink Faucet Cartridge Replacement Metering Lavatory, 52100

Consider material and durability

Brass bodies are widely regarded as durable, and ceramic discs are commonly associated with smooth, consistent operation. Owners often report that a well-made cartridge keeps water-control feel for years, while cheaper parts may stiffen sooner. Check the stated materials in the listing before deciding.

Good picks for this: Moen 1225 Magnum One-Handle Faucet Cartridge Replacement Kit, Brass, Moen Single-Handle Replacement Ceramic Cartridge, 4000

Check whether a kit or single part makes sense

Some listings sell a single cartridge, while others sell a kit with O-rings, seals or hardware. A kit can be useful if you are replacing a worn set of seals along with the cartridge, but unnecessary extras add clutter. Read what is included before adding it to your cart.

Good picks for this: MOEN 1224 Replacement Faucet Cartridge Kit, Moen 1225 Magnum One-Handle Faucet Cartridge Replacement Kit, Brass

Plan for care after installation

Installing a new cartridge goes more smoothly when you clean the valve seat, lubricate O-rings with plumber’s grease, and avoid over-tightening the retaining nut. Flushing the supply lines before reassembly can also prevent debris from damaging the new part.

Good picks for this: Moen 1234 Duralast Handle Replacement Cartridge, Moen Single-Handle Replacement Ceramic Cartridge, 4000

FAQ

How do I know if I need a new cartridge or a whole faucet?

Persistent dripping from the spout, a stiff or loose handle, or temperature that will not hold steady often points to the cartridge. If the faucet body is cracked, the finish is failing badly, or the cartridge has been replaced without success, the whole faucet may be worth considering.

Can one Moen cartridge fit both single-handle and double-handle faucets?

No. Single-handle and double-handle cartridges are built differently and are not interchangeable. Always confirm the handle style before ordering.

Do I need to shut off the water before changing the cartridge?

Yes. Turn off the water supply under the sink or at the main valve, then open the faucet briefly to relieve pressure. Working with the water off prevents flooding and makes removing the retaining nut easier.

What tools do I usually need?

Most Moen cartridge swaps require an Allen wrench or hex key, a flathead screwdriver, pliers, and plumber’s grease. Some models use a special cartridge puller or a retaining clip, so check your faucet’s instructions.

Why does my new cartridge still drip?

Common causes include a worn valve seat, debris in the supply lines, a misaligned cartridge, or a missing O-ring. Reopen the assembly, inspect the seat and seals, and make sure the cartridge is fully seated before reassembling.

Should I hire a plumber for this job?

Many homeowners complete a cartridge swap themselves, but if you are unsure about shutting off supply lines, or if the valve is corroded or hard to remove, consult a licensed plumber. Professional help is also advisable if you suspect hidden water damage.

Conclusion

For most owners of a double-handle Moen bathroom faucet, the MOEN 1224 Replacement Faucet Cartridge Kit offers the broadest listed fit, while the Moen 1234 Duralast Handle Replacement Cartridge suits targeted hot or cold repairs. Single-handle owners should look at the Moen Single-Handle Replacement Ceramic Cartridge, 4000. Owners of Magnum one-handle faucets who prefer brass should consider the Moen 1225 kit. The Moen Commercial Sink Faucet Cartridge Replacement Metering Lavatory, 52100 is a narrow choice for metering lavatories only. Whichever you choose, match the model number and measure the old part before ordering.

Sources

• Guidance on water conservation and fixing leaks in household fixtures (epa.gov)
• Information on home water heating efficiency and reducing hot water waste from dripping faucets (energy.gov)
• Consumer safety guidance on home plumbing and household repair tasks (cpsc.gov)

Related reading

• Moen Bathroom Faucet Cartridge: 4 Best Replacements Compared (2026)
• Single Handle Bathroom Faucet Moen Review: Key Features Explained
• Moen Single Lever Bathroom Faucet Review (2026)

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