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4000 Faucet Cartridge,

Q: The Moen site says the part number for my faucet is 40002. Is this the same part?

It looks the same as the 4000 but is for an older discontinued faucet. It maybe a good part. Go for it. The other choice is to replace the faucet. I may buy one to see if it fits mine.

Q: Will this fit to my Moen single handle filtering faucet model F87420?

There are 2 cartridges that fit into the Moen single handle. If your cartridge has a large square end this 4000 unit will work.

Q: Can the red 3 o-ring washer be removed? Id like to use the oring from this and put on my old cartridge b/c its leaking (and I cant find replacement)

Yes, you can reuse the O-ring for the same model cartridge. The O-ring may be different, if the cartridge model is not the same. If the leak is from the O-ring greasing it will help. I find that the leaks are often in the internal ceramic pieces. They must wear out from usage and mineral deposits.

Q: I have an older moen faucet called the Whitmore. The current cartridge threads in and has the thick square top. I dont see any threads on this part?

Hello and thank you for your interest in Moen products. The Moen Whitmore faucet requires cartridge number 1255, which is held in place by a black nylon threaded nut that is included with the cartridge. Moen faucets that use the 4000 cartridge are held in place by a brass nut, which can be reused and is not included with the cartridge. Please contact our Consumer Services Center for warranty assistance; they can be reached at 800-289-6636. Our current business hours are Monday through Friday from 8:00 am - 7:00 pm (EST).

Product ID: 302550200

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Details

Material
Plastic
Brand
Moen
Colour
N/A or
Style
Replacement
Product Dimensions
49L x 66W
Exterior Finish
Aluminium

🔧Hassle-free, easy installation

⚙️Precision-engineered OEM part

🛠️Durable aluminium & ceramic build

Frequently Bought Together

Moen 4000 Single Handle Replacement Cartridge

Moen 96778 Spout O-Ring Kit

DANCO Waterproof Silicone Faucet Grease | Silicone Sealant | Plumbers valve Grease for O-rings | 0.5 oz. | 1-Pack (88693)

Description

🔧 Upgrade your faucet game—repair smarter, not harder!

COMPACT DESIGN - Slim 49x66mm cartridge fits seamlessly inside your faucet
OEM AUTHENTICITY - Genuine Moen replacement ensures perfect fit and performance
DURABLE MATERIALS - Aluminium exterior and ceramic handle for long-lasting reliability
EFFORTLESS REPAIR - Fix your single-handle kitchen faucet without costly replacements
WARRANTY BACKED CONFIDENCE - One Year Limited Warranty for peace of mind

The Moen 4000 Faucet Cartridge is a precision-engineered, OEM replacement part designed for single-handle kitchen faucets. Crafted with durable aluminium and ceramic materials, it offers an easy, hassle-free installation to restore your faucet’s smooth operation. Compact and reliable, this cartridge is backed by Moen’s One Year Limited Warranty, making it the smart choice for efficient plumbing repairs.

Specifications

Material	Plastic
Brand	Moen
Colour	N/A or Unfinished
Product Dimensions	49L x 66W Millimeters
Exterior Finish	Aluminium
Specific Uses For Product	Inside
Special Feature	Easy to Install
Included Components	Replacement Parts or Service Kit
Theme	Plumbing" or "Hardware
Item Weight	54 g
Metal Type	Aluminium
Handle Material	Ceramic
Hand Orientation	Ambidextrous
Customer Package Type	1
Net Quantity	1.0 Count
Number of Items	1
Manufacturer	Moen Incorporated
Item Depth	1.75 inches
UPC	026508183205
Department	Home & Garden
Country of Origin	USA
Item model number	4000
ASIN	B0031Q8J9Y

Have a Question? See What Others Asked

The Moen site says the part number for my faucet is 40002. Is this the same part?

Will this fit to my Moen single handle filtering faucet model F87420?

Can the red 3 o-ring washer be removed? Id like to use the oring from this and put on my old cartridge b/c its leaking (and I cant find replacement)

I have an older moen faucet called the Whitmore. The current cartridge threads in and has the thick square top. I dont see any threads on this part?

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