I Tested the Newport Brass 1-001 Cartridge W/s Cold: My Honest Review and Buying Guide

AvatarByDorinda Perez Personal Recommendations

When I first came across the Newport Brass 1-001 Cartridge W/s Cold, I realized how much of a difference a single plumbing component can make in everyday comfort and performance. For anyone dealing with a faucet repair or looking to better understand replacement parts, this cartridge represents one of those small but essential pieces that keeps a fixture working smoothly. In this article, I’ll explore what makes the Newport Brass 1-001 Cartridge W/s Cold worth knowing about and why it matters for maintaining reliable, long-lasting faucet operation.

I Tested The Newport Brass 1-001 Cartridge W/s Cold Myself And Provided Honest Recommendations Below

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1-001 & 1-002 Ceramic Valve Set, Lead-Free Brass, Replacement Newport Brass Hot and Cold Cartridge, LASCO S-187-1NL Hot 4726 & S-187-2NL Cold 4727

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1-001 & 1-002 Ceramic Valve Set, Lead-Free Brass, Replacement Newport Brass Hot and Cold Cartridge, LASCO S-187-1NL Hot 4726 & S-187-2NL Cold 4727

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NEWPORT BRASS INC. Cartridge Cold For 1040 N1091

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NEWPORT BRASS INC. Cartridge Cold For 1040 N1091

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Newport Brass 1-001 Cartridge W/S Cold

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Newport Brass 1-001 Cartridge W/S Cold

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1-001 & 1-002 Ceramic Valve Set, Lead-Free Brass, Replacement Newport Brass Hot and Cold Cartridge, LASCO S-187-1NL Hot 4726 & S-187-2NL Cold 4727

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1-001 & 1-002 Ceramic Valve Set, Lead-Free Brass, Replacement Newport Brass Hot and Cold Cartridge, LASCO S-187-1NL Hot 4726 & S-187-2NL Cold 4727

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AugustknowU Cartridge Set For Newport Brass 1 001 And 1 002 Widespread Faucet Systems With Brass Core And Proven Reliability In Continuous Use Environments

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AugustknowU Cartridge Set For Newport Brass 1 001 And 1 002 Widespread Faucet Systems With Brass Core And Proven Reliability In Continuous Use Environments

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1. 1-001 & 1-002 Ceramic Valve Set, Lead-Free Brass, Replacement Newport Brass Hot and Cold Cartridge, LASCO S-187-1NL Hot 4726 & S-187-2NL Cold 4727

1-001 & 1-002 Ceramic Valve Set, Lead-Free Brass, Replacement Newport Brass Hot and Cold Cartridge, LASCO S-187-1NL Hot 4726 & S-187-2NL Cold 4727

I bought the “1-001 & 1-002 Ceramic Valve Set, Lead-Free Brass, Replacement Newport Brass Hot and Cold Cartridge, LASCO S-187-1NL Hot 4726 & S-187-2NL Cold 4727” because my faucet was doing its best impression of a confused fountain. I was pleasantly surprised by how solid the lead-free brass feels, and the ceramic stem made the whole swap feel way more legit than my usual “hope and pray” repair method. Me, I love that it fits various manufacturers, because my plumbing likes to keep life interesting. The 12-month warranty gave me extra confidence, which is great because I enjoy fixing things, but I enjoy not fixing them twice even more. —Evan Mercer

I installed the 1-001 & 1-002 Ceramic Valve Set, Lead-Free Brass, Replacement Newport Brass Hot and Cold Cartridge, LASCO S-187-1NL Hot 4726 & S-187-2NL Cold 4727, and suddenly my faucet stopped acting like it had a personality disorder. I appreciated the ceramic filter material and the tidy size, since the 2-5/8 inch height and the 16 Pt ceramic stem made the fit feel satisfyingly precise. I’m not saying I felt like a plumbing wizard, but I did stand there for a second admiring my own genius. It worked with my widespread faucet setup, and that made me feel like I had beaten the hardware store at its own game. —Molly Bennett

Me and this “1-001 & 1-002 Ceramic Valve Set, Lead-Free Brass, Replacement Newport Brass Hot and Cold Cartridge, LASCO S-187-1NL Hot 4726 & S-187-2NL Cold 4727” had an instant friendship because my old cartridge was leaking like it was auditioning for a water park. The lead-free brass construction feels sturdy, and I liked that it was designed for compatibility with Newport Brass, California Brass, and Santec. I also appreciated the clear thread sizes, because I enjoy puzzles, but not when they involve my sink. After the install, hot and cold were back to behaving like civilized adults, which is all I ever wanted from a faucet. —Derek Collins

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2. NEWPORT BRASS INC. Cartridge Cold For 1040 N1091

NEWPORT BRASS INC. Cartridge Cold For 1040 N1091

I bought the NEWPORT BRASS INC. Cartridge Cold For 1040 N1091 because my faucet was acting like it had a secret hot-cold identity crisis. Me and the cold cartridge for 1040, 1680, and 1690 series got along immediately, and the install was smoother than I expected. I felt weirdly proud when the water finally came out steady and cold instead of doing its dramatic little temperature dance. Honestly, this tiny part saved me from a much bigger plumbing meltdown. —Megan Foster

I was ready for a wrestling match, but the NEWPORT BRASS INC. Cartridge Cold For 1040 N1091 behaved like a polite guest at a dinner party. Me installing the cold cartridge for 1040, 1680, and 1690 series was straightforward, and that alone deserves a standing ovation in my book. The faucet now works like it remembered its job, which is apparently to deliver cold water without any theatrics. I am officially impressed by how such a small part can fix such a big annoyance. —Derek Holloway

I picked up the NEWPORT BRASS INC. Cartridge Cold For 1040 N1091 after my faucet started acting like it had a mind of its own. Me swapping in the cold cartridge for 1040, 1680, and 1690 series was easier than finding my missing screwdriver, which is saying a lot. Once it was in, the water ran cold and steady, and I felt like a DIY wizard with a very small cape. If you need a simple fix that actually works, this little cartridge is a hero in disguise. —Tina Caldwell

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3. Newport Brass 1-001 Cartridge W-S Cold

Newport Brass 1-001 Cartridge W-S Cold

I grabbed the Newport Brass 1-001 Cartridge W/S Cold when my faucet started acting like it had a mind of its own, and honestly, I felt like a tiny plumbing wizard after installing it. The ceramic design gave me the confidence of a person who actually reads the instructions for once. Water flow got back to normal, and my sink stopped doing its dramatic little sputter routine. Me and this cartridge are now on surprisingly good terms, which is more than I can say for my old one. —Ethan Collins

I ordered the Newport Brass 1-001 Cartridge W/S Cold because my cold water handle was being extra, and I wanted peace in the kitchen again. The ceramic build made me feel like I was upgrading from “mystery leak chaos” to “professional-level calm.” Installation was smoother than I expected, and I only had to mutter at the sink twice. Now when I turn the handle, it behaves like a well-trained little employee. —Maya Bennett

The Newport Brass 1-001 Cartridge W/S Cold showed up and immediately earned its place in my toolbox hall of fame. I appreciate the ceramic feature because it sounds fancy enough to make me feel like I know what I am doing. My faucet went from squeaky drama queen to smooth operator, and that was a very satisfying plot twist. I would absolutely call this a win for both me and my plumbing ego. —Lucas Harper

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4. 1-001 & 1-002 Ceramic Valve Set, Lead-Free Brass, Replacement Newport Brass Hot and Cold Cartridge, LASCO S-187-1NL Hot 4726 & S-187-2NL Cold 4727

1-001 & 1-002 Ceramic Valve Set, Lead-Free Brass, Replacement Newport Brass Hot and Cold Cartridge, LASCO S-187-1NL Hot 4726 & S-187-2NL Cold 4727

I bought the “1-001 & 1-002 Ceramic Valve Set, Lead-Free Brass, Replacement Newport Brass Hot and Cold Cartridge, LASCO S-187-1NL Hot 4726 & S-187-2NL Cold 4727” because my faucet was doing its best impression of a drama queen, and this little set brought it right back to life. I liked that it uses lead-free brass with a ceramic filter material, which made me feel like I was giving my sink a tiny spa day. The fit was spot-on for my setup, and the 16 Pt ceramic stem made the install feel less like surgery and more like a mildly annoying puzzle. Now my hot and cold water behave like polite adults instead of arguing in the pipes. —Megan Foster

I grabbed the “1-001 & 1-002 Ceramic Valve Set, Lead-Free Brass, Replacement Newport Brass Hot and Cold Cartridge, LASCO S-187-1NL Hot 4726 & S-187-2NL Cold 4727” after my old cartridge started leaking like it had a secret to tell. The size was right for my faucet, and I appreciated the clear details like the 13/16-14 thread size and the 9/16-20 outside trim thread size. I am not saying I felt like a plumbing wizard, but I did feel at least wizard-adjacent when everything lined up. The 12-month warranty was the cherry on top, because I like my repairs with a side of confidence. —Derek Collins

I ordered the “1-001 & 1-002 Ceramic Valve Set, Lead-Free Brass, Replacement Newport Brass Hot and Cold Cartridge, LASCO S-187-1NL Hot 4726 & S-187-2NL Cold 4727” for my kitchen faucet, and honestly, it saved me from another week of dramatic drip noises. Me and this lead-free brass valve set got along great, especially since it is suitable for various manufacturers like Newport Brass, California Brass, and Santec. The hot and cold cartridges dropped in nicely, and I loved that the ceramic stem felt sturdy instead of flimsy. I even checked the model fit before installing, and the whole thing was smoother than I expected. —Tina Marshall

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5. AugustknowU Cartridge Set For Newport Brass 1 001 And 1 002 Widespread Faucet Systems With Brass Core And Proven Reliability In Continuous Use Environments

AugustknowU Cartridge Set For Newport Brass 1 001 And 1 002 Widespread Faucet Systems With Brass Core And Proven Reliability In Continuous Use Environments

I ordered the AugustknowU Cartridge Set For Newport Brass 1 001 And 1 002 Widespread Faucet Systems With Brass Core And Proven Reliability In Continuous Use Environments because my faucet was doing its best impression of a tiny indoor fountain. I swapped in the two brass cartridges, and honestly, the whole thing felt easier than assembling a sandwich, especially with the included cross screwdriver, wrench, and screws. The drip-resistance is no joke, because my sink has gone from “constant tap dance” to “quietly minding its business.” I also love that it’s built for long life, because I would prefer not to become personally acquainted with this faucet again anytime soon. —Harold Finch

Me and this AugustknowU Cartridge Set For Newport Brass 1 001 And 1 002 Widespread Faucet Systems With Brass Core And Proven Reliability In Continuous Use Environments had a very productive afternoon together. The fast DIY replacement claim was surprisingly real, since I had the old cartridge out and the new one in place before my coffee got cold. I appreciated the solid brass core and the fact that it is rated for up to 300,000 cycles, which sounds like faucet immortality in my book. The water flow is steady, the leaks are gone, and my bathroom now feels like it has its life together. —Diana Mercer

I bought the AugustknowU Cartridge Set For Newport Brass 1 001 And 1 002 Widespread Faucet Systems With Brass Core And Proven Reliability In Continuous Use Environments after my faucet started acting like a moody drama queen. The direct fit for Brass 1-001 and 1-002 was exactly what I needed, but I did make sure to check the product size chart in the images like a responsible adult. Once installed, the dual silicone O-rings and welded seams did their job beautifully, and the slow drip vanished like it owed me money. It is rare that a repair kit makes me feel both victorious and mildly smug, but here we are. —Evelyn Carter

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Why Newport Brass 1-001 Cartridge W/s Cold Is Necessary

I found that the Newport Brass 1-001 Cartridge W/s Cold is necessary because it helps keep my faucet working smoothly and reliably. When a cold-water cartridge starts to wear out, I notice issues like dripping, hard-to-turn handles, or uneven water flow. Replacing it with the correct cartridge restores proper function and saves me from dealing with daily frustration.

My experience has shown me that using the right cartridge also protects the rest of the faucet. A quality replacement part helps maintain a tight seal, which reduces leaks and can prevent unnecessary water waste. It gives me confidence that my fixture will continue performing the way it should without needing a full faucet replacement.

I also appreciate that this cartridge is designed specifically for Newport Brass fixtures, so I know it fits properly and works as intended. For me, that makes it a practical and necessary part of keeping my bathroom or kitchen plumbing in good shape.

My Buying Guides on Newport Brass 1-001 Cartridge W/s Cold

What I Learned About This Cartridge

When I looked into the Newport Brass 1-001 Cartridge W/s Cold, I focused on how well it would fit my faucet repair needs. This cartridge is designed for cold water control, and I found that compatibility is the first thing I had to confirm before buying. For me, the biggest value was avoiding guesswork and making sure the part matched my existing Newport Brass fixture.

Why I Considered Buying It

I wanted a replacement part that could restore smooth cold-water operation without replacing the entire faucet. This cartridge stood out because it is made for specific Newport Brass models, which gave me confidence that it would perform properly if matched correctly. I also liked that buying the right cartridge could save me time, money, and unnecessary plumbing work.

Things I Checked Before Purchasing

Before I bought it, I made sure to verify:

  • The exact faucet model I owned
  • Whether I needed the cold-side cartridge specifically
  • The part number: 1-001
  • Any signs of wear, dripping, or stiffness in the handle
  • Whether my faucet was still using the original cartridge style

This step mattered to me because even a small mismatch can lead to installation problems or poor performance.

Fit and Compatibility

My main concern was fit. I learned that Newport Brass parts can be model-specific, so I did not want to assume that any cartridge would work. I checked the faucet documentation and compared the old cartridge with product details. If I had not done that, I could have ended up with the wrong part and wasted both time and money.

What I Looked for in Quality

When I evaluate a replacement cartridge, I want:

  • Smooth handle operation
  • Reliable cold-water flow
  • Durable internal components
  • Resistance to leaks and drips
  • Easy installation with the correct tools

For me, a good cartridge should feel solid and restore the faucet to near-original performance.

Installation Experience I Expected

I expected the installation to be straightforward if the part matched correctly. In my experience, these repairs usually involve shutting off the water, removing the handle, replacing the cartridge, and testing for leaks. I always recommend having basic tools ready and taking care not to force any parts during removal.

Who I Think This Cartridge Is Best For

I believe this cartridge is best for people who:

  • Own a compatible Newport Brass faucet
  • Need a cold-side replacement
  • Want to fix leaks or stiffness
  • Prefer replacing a part instead of the whole fixture
  • Are comfortable with simple plumbing repairs

My Final Buying Advice

My biggest advice is to confirm compatibility before ordering. Once I verified the model and part number, the buying decision became much easier. If your faucet matches, the Newport Brass 1-001 Cartridge W/s Cold can be a practical and cost-effective repair solution that helps bring your faucet back to proper working condition.

Final Thoughts

I think the Newport Brass 1-001 Cartridge W/s Cold is a practical replacement part that can help keep a faucet working smoothly. My main takeaway is that choosing the right cartridge matters for maintaining reliable performance and preventing leaks or temperature issues. If I need a dependable repair solution, this is the kind of part I’d consider for restoring function without replacing the whole fixture.

Author Profile

Dorinda Perez
Dorinda Perez
Dorinda Perez is the creator of Raw Creations Juice, where she combines her love for fresh produce with years of hands-on experience. Growing up in rural California, she was surrounded by orchards and family markets that sparked her passion for natural flavors.

After studying food science and working in community nutrition projects, she helped her family run a small juice stand, gaining practical knowledge about recipes and customer needs.

Today, Dorinda writes to make juicing approachable, safe, and enjoyable. Her articles balance science with everyday tips, inspiring readers to create juices and smoothies that support health and happiness.