Agreed it's a pain to verify, I wrote the part number on the back of the wall plate after replacing mine last week. But if it's a faucet from a major brand, it might be on their website. It seems like each one only has a few different sizes. Answer from Firehed on reddit.com
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MOEN
moen.com › moen-101 › cartridges › standard
Standard | Cartridges | MOEN 101 | MOEN
Beginning with our original, tried-and-true 1200 model, our standard cartridges have evolved over time to deal with ever-changing water conditions while providing more consistent, smooth operation over the entire life of the cartridge. They have also come to enable the design of more compact, sleeker faucet styles prevalent in today's market. Standard cartridges are designed for faucets, Roman tubs and tubs/showers.
Discussions

Is there an easy way to tell what shower cartridge you need by just looking at the end that sticks out the wall?
Agreed it's a pain to verify, I wrote the part number on the back of the wall plate after replacing mine last week. But if it's a faucet from a major brand, it might be on their website. It seems like each one only has a few different sizes. More on reddit.com
🌐 r/HomeImprovement
18
7
December 9, 2022
Moen shower cartridge replacement
Aftermarket cartridges are notorious for not working and leaking. Save yourself a bunch of headaches and Get yourself an oem cart. More on reddit.com
🌐 r/askaplumber
37
4
May 10, 2024
Any trick to remove this Delta shower cartridge? It has a slow leak. Trying to remove and ID the part number for replacement. Tried pulling it out by hand but no workie.
Wd 40 , tap, tap,tap, tap, tap, tap,pull, with vice grips, channel locks repeat…… They sell delta puller somewhere $100 range More on reddit.com
🌐 r/Plumbing
50
18
September 23, 2021
Help identifying the type of Moen shower cartridge. I purchased a Moen 1222, but I could not get the clip to go in.
The 1222 may be the correct cartridge. Sometimes a little plumbing grease can help it pop the last little ways in. Is the clip getting stuck going in the top, or through the bottom hole More on reddit.com
🌐 r/Plumbing
18
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May 19, 2021
People also ask

What's the price range for Faucet Cartridges?
The average price for Faucet Cartridges ranges from $10 to $900.
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homedepot.com
homedepot.com › plumbing › plumbing parts › faucet parts › faucet cartridges
Tub & Shower - Faucet Cartridges - The Home Depot
What's the best-rated product in Faucet Cartridges?
The best-rated product in Faucet Cartridges is the Single lever Cartridge for Moen.
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homedepot.com
homedepot.com › plumbing › plumbing parts › faucet parts › faucet cartridges
Tub & Shower - Faucet Cartridges - The Home Depot
What are the shipping options for Faucet Cartridges?
Some Faucet Cartridges can be shipped to you at home, while others can be picked up in store.
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homedepot.com
homedepot.com › plumbing › plumbing parts › faucet parts › faucet cartridges
Tub & Shower - Faucet Cartridges - The Home Depot
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RBROHANT
rbrohant.com › home › understanding bathroom faucet cartridges: the heart of your faucet's functionality
Understanding Bathroom Faucet Cartridges: The Heart of Your Faucet's Functionality
It is a valve that controls the release of hot and cold water, mixing them to the desired temperature. When you turn the faucet handle, the cartridge opens or closes various pathways, allowing water to flow out of the faucet spout. There are primarily three types of faucet cartridges:
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Deltafaucet
deltafaucet.ca › shower-cartridges
Shower Cartridge Identifier
We cannot provide a description for this page right now
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Pfister Faucets
pfisterfaucets.com › parts-support › replacement-parts › category › cartridges
Cartridges
Stuff happens–sometimes even when you buy a great faucet and install it correctly. If something seems to be wrong with your Pfister product, we’ve got answers to common issues to help you out · 1-800-PFAUCET (1-800-732-8238)
Find elsewhere
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Vevano
vevano.com › blogs › bathroom-resources › shower-valve-types
Shower Valve Types 101 — How to Choose the Right Shower Valve
December 4, 2021 - Delta is known for its multi-choice universal shower valve, which is compatible with a wide selection of Delta trims and cartridges. Most reputable valve manufacturers offer limited lifetime warranties. Your shower faucet and shower valve go hand-in-hand, and so it’s important to properly identify the type of faucet and the valve you own before replacing or repairing your shower system.
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Amazon
amazon.com › Cartridge-Assembly-Single-handle-MulitChioce-Universal › dp › B096NWJFC4
Catilon RP46074 Valve Cartridge Assembly Replacement for Delta 13/14 Series Single Handle Shower Faucet, Type P Shower Cartridge, Universal Valve Cartridge Assembly - Amazon.com
RP46074 Shower Cartridge, Compatible with Delta 13/14 Series Shower Faucet, Replacement Monitor MultiChoice Cartridge, Single Handle Universal Shower Cartridge Repair Assembly with RP22734 Bonnet Nut ... Suitable for Delta multi choice universal Tub/Shower valve body (Replacement for Delta rough-in R10000, R1100, R1800, R2200, etc).
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Moen Solutions
solutions.moen.com › article library
Faucet Cartridges: Shower - Moen Solutions
December 6, 2022 - How to identify which cartridge your Moen one, two or three handle bathroom tub and/or shower uses by handle operation and color images of the various cartridges.
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Showerspares
support.showerspares.com › support › solutions › articles › 77000484439-what-is-a-shower-cartridge-
What is a shower cartridge? : National Shower Spares Knowledge Base
Depending on the fault you are facing, you may not need to replace every component of a cartridge that works in this way. ... Sirrus thermostat and piston assembly (SK1500-3) to allow the shower to control the flow and regulate the temperature. The SK971006's brass body essentially works as a flow valve, whereas the thermal wax element (aka wax capsule) and piston/shuttle assembly work to regulate the temperature. Commonly this type of configuration is seen in many Bristan/Sirrus and Grohe showers, among others.
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Amazon
amazon.com › Hardware-Replacement-Shower-Cartrigde-Compatible › dp › B0CWNHQQXV
T & T Hardware 40mm Replacement Shower Cartridge – Compatible with N40HLC Type F for Tuscany Valves, Square Broach, 77mm Height, Black/Red - Amazon.com
N40HLC Shower Cartridge Replacements, for RK7300-CART-3P and HL-40 Shower Cartridge, Type F, 40 mm Shower Cartridge Compatible with Temp-Gard III Series Single Handle Tub and Shower Faucets Valve
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Sigmafaucetparts
sigmafaucetparts.com › pages › faucet-cartridge-fundamentals
Faucet Cartridge Fundamentals – Sigma Faucet Parts
A cold cartridge opens or turns on the water by moving in the clockwise direction. Two types of quarter-turn ceramic disk cartridges are very common: 16 point cartridge and 20 point cartridge.
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JustAnswer
justanswer.com › plumbing › g453t-determine-moen-cartridge-number.html
How to Determine the Correct Moen Cartridge for Your Shower or Bathtub
If I can't get a replacement from the manufacturer, is this repair kit a suitable alternative to purchasing an entirely new cartridge? Plumber: Mike R. Oh, that would be suitable for the Positemp model. I'm not sure if there is a kit available for the Moentrol model, but it isn't leaking at all. ... I flushed both fixtures. I overlooked the step of removing and lubricating the pressure balance spool. So far, the shower positemp fixture is not dripping.
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Delta Faucet
deltafaucet.com › service-parts › find-parts-and-identify-product
Find Parts and Identify Your Product | Delta Faucet
Euro motion style cartridge same as RP71248, but uses the stem extension RP51736 when applicable.
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The Shower Head Store
theshowerheadstore.com › home › blog › types of shower valves explained: ultimate guide
Types of Shower Valves Explained | HammerHead® Showers
3 weeks ago - A typical shower valve is made up of several key components that work together behind the wall. These include the: Rough-in body: The rough-in body is the main housing installed behind the wall that holds all the working components of the valve. Internal mixing cartridge: The internal mixing cartridge blends hot and cold water and controls how your shower maintains a steady, comfortable temperature.
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Angi
angi.com › solution center › plumbing
What Is a Shower Cartridge? | Angi
May 6, 2025 - Flow cartridges, known as on/off or control cartridges, only control the flow of water from a showerhead, not the temperature. You can find them in older dual-handle showers, where you manually adjust the temperature using separate hot and cold controls. You can also use this type of cartridge with a diverter system to regulate the flow between outlets.
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Equiparts
equiparts.com › faucet-cartridge-and-stem-quick-guide
Faucet Cartridge and Stem Quick Guide – Equiparts
The handle type and installation of the stems or cartridge(s) changes if it will dispense hot or cold water (or both for single lever faucets). For traditional lever handle faucets, which way the thread rises in the stem determines how it should be installed. The thread on Left-Handed stems rise to the left. They are turned counterclockwise to turn on. The thread on Right-Handed stems rise to the right. They are turned clockwise to turn on. However, showers will have different applications for cartridges depending on if it’s a round or cross handle instead of a lever.
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This Old House
thisoldhouse.com › this old house › bathrooms
Shower Cartridge Replacement Costs (2026)
December 15, 2025 - Brand: The shower cartridge’s manufacturer influences the cost. Cartridge type: There are three types (single handle, dual handle, and diverter cartridges).
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Ace Hardware
acehardware.com › plumbing › faucet and faucet repair › faucet stems and cartridges
Shower Cartridges, Faucet Cartridges & Stems - Ace Hardware
When faucet cartridges begin to wear out, they may no longer seal tightly, making it possible for water to leak through. The difference between a tub or shower cartridge is simple and lies in the name: a tub cartridge is for a bathtub whereas a shower valve cartridge is for the shower.
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Quora
quora.com › How-do-you-identify-a-shower-valve-and-cartridge-shower-valve-DIY
How to identify a shower valve and cartridge (shower, valve, DIY) - Quora
Answer: start with the trim and any brands or logos you can see, if that leads nowhere, then you’ll need to identify either the valve body by removing the trim. if that fails, you’ll need to seenthe cartridge within the valve. requiring you to disassemble the valve. don’t forget to shut of the wa...