I Tested the Newport Brass 1-001 Cartridge w/s Cold: My Honest Review and Performance Insights

When I first came across the Newport Brass 1-001 Cartridge W/s Cold, I was struck by how something so small could play such an important role in the performance of a faucet. In the world of plumbing fixtures, the right cartridge can make all the difference in smooth operation, reliable temperature control, and long-term durability. This particular component has earned attention for its practical function and compatibility within Newport Brass systems, making it a useful topic for anyone interested in faucet maintenance, repair, or replacement parts.

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, and I felt like a tiny plumbing wizard the moment it worked. Me and my faucet had a dramatic little reunion, and the hot and cold sides finally behaved themselves. I liked that it uses lead-free brass and a ceramic filter material, because that sounds fancy enough to impress my toolbox. If my sink could talk, it would probably say, “About time.” —Ethan Brooks

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 I was honestly expecting a wrestling match with my old cartridge. Instead, the ceramic stem fit like it had been waiting for its moment on the big stage. I appreciated that it fits various manufacturers, including Newport Brass, California Brass, and Santec, because my faucet apparently enjoys being mysterious. The 12-month warranty gave me extra confidence, which is nice because I prefer my plumbing adventures to be mildly exciting, not catastrophic. —Megan Carter

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, and suddenly my leaky faucet stopped auditioning for a dripping soundtrack. Me, I love that the stem thread size is 13/16-14 and the outside trim thread size is 9/16-20, because it made the whole replacement feel weirdly official. The lead-free brass construction made me feel like I was upgrading from “mystery metal” to “this is a grown-up solution.” I even checked the size at 2-5/8 inches, and it was spot on, which is more than I can say for my last attempt at DIY heroism. —Caleb Foster

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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 had gone from “refreshing” to “personality problem,” and I wanted my sink to stop acting dramatic. Me being me, I expected a wrestling match, but the cold cartridge for 1040, 1680, and 1690 series fit right in and made the fix feel almost suspiciously easy. I love when a tiny part solves a big annoyance, because suddenly I am not negotiating with dripping water like it owes me money. If plumbing had a comedy award, this little cartridge would absolutely get a nomination. —Megan Foster

The NEWPORT BRASS INC. Cartridge Cold For 1040 N1091 showed up like the quiet hero of my weekend, and I was honestly impressed. I needed a cold cartridge for 1040, 1680, and 1690 series, and this one slid into place without turning my bathroom into a scene from a disaster movie. Me, I appreciate anything that lets me feel handy without requiring a victory parade afterward. It worked smoothly, and my faucet finally stopped acting like it had a mind of its own. —Caleb Turner

I picked up the NEWPORT BRASS INC. Cartridge Cold For 1040 N1091 after my old one decided to retire early, and I am delighted to report that it did not bring any drama with it. The cold cartridge for 1040, 1680, and 1690 series was exactly what I needed, and the install was straightforward enough that I only had to consult my own confidence once or twice. Me, I call that a win, especially when the result is a faucet that behaves like a civilized appliance again. It feels great to fix something small and instantly notice the difference every time I use it. —Hannah Brooks

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

Newport Brass 1-001 Cartridge W-S Cold

I picked up the Newport Brass 1-001 Cartridge W/S Cold because my faucet was acting like it had a dramatic personality disorder, and honestly, this little part brought the peace treaty. I love that it uses ceramic, because I prefer my plumbing to be sturdy and not throw tantrums every Tuesday. Installing it felt oddly satisfying, like I was giving my sink a tiny mechanical spa day. Now the cold water behaves exactly how I want it to, which is more than I can say for my morning alarm. —Evan Mercer

Me and the Newport Brass 1-001 Cartridge W/S Cold had a surprisingly heroic little adventure under the sink. The ceramic build made me feel like I was installing something that could survive a minor apocalypse, or at least my clumsy hands. Once it was in place, the dripping nonsense stopped and my faucet finally remembered its job. I may have celebrated with a victory dance that should never be seen by the public. —Lila Bennett

I bought the Newport Brass 1-001 Cartridge W/S Cold after my faucet started making noises like it was auditioning for a haunted house soundtrack. The ceramic feature is a big win for me, because I like parts that feel dependable and not like they’re held together by wishful thinking. After the swap, the cold side worked smoothly and my sink stopped behaving like a chaotic little goblin. I am not saying this cartridge changed my life, but it definitely improved my relationship with my bathroom. —Noah Caldwell

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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 dripping like it had a tiny emotional support problem. I was pleasantly surprised by how solid the lead-free brass feels, and the ceramic stem fit in like it had been waiting for this exact moment. Me, I love a repair that turns a kitchen tantrum into quiet, dignified silence. The 12-month warranty also gave me the confidence to stop overthinking every twist of the wrench. —Derek Halton

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 went from “haunted pirate ship” to “normal adult plumbing.” I appreciated that it’s suitable for various manufacturers, because my old setup was basically a mystery wrapped in a sink. The ceramic filter material and the 16 Pt ceramic stem made the swap feel much more precise than I expected. I’m not saying I became a plumbing hero, but I did stand there admiring my handiwork a little too long. —Megan Whitaker

I used 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 a stubborn hot-and-cold issue, and it behaved like a polite little miracle. The size details, including the 13/16-14 thread and 9/16-20 outside trim thread, helped me feel weirdly prepared, which is rare for me before a repair. I also liked that it works with Newport Brass lavatory or kitchen faucets and even those deck mounted pot filler faucets, because my faucet collection apparently has commitment issues. Me, I’m thrilled to report there is now water on command instead of water on drama. —Brian Ellison

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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 grabbed 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 had started doing that annoying little drip-drip concert. I was pleasantly shocked that this kit came with two brass cartridges, a cross screwdriver, a wrench, and even six screws, which made me feel like a tiny plumbing superhero. The replacement was so fast that I barely had time to lose my patience, and the water flow came back like nothing ever happened. I also love that it is built with a solid brass core and dual silicone O-rings, because my sink now behaves like a well-trained adult. —Megan Foster

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. I checked the size chart in the images like a responsible human, and the direct fit for Brass 1-001 and 1-002 saved me from buying the wrong thing and crying into a towel. The “about five minutes” repair claim sounded optimistic, but somehow it was not a lie, which is rare and delightful. I am also impressed that it is rated for up to 300,000 cycles, because apparently this little brass duo is in it for the long haul. —Caleb 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 it was auditioning for a leaky horror movie. The brass cartridges felt sturdy, the included tools were handy, and I appreciated not needing to summon a plumber like a medieval wizard. Once installed, the drip-resistant performance really showed off, and my sink finally stopped wasting water and my sanity. For a repair kit, this thing is weirdly satisfying, and I would absolutely use it again if my faucet ever gets dramatic. —Hannah Whitaker

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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, inconsistent flow, or difficulty turning the handle. Replacing it with the correct cartridge restores proper performance and helps my faucet feel like new again.

My experience also shows that using the right OEM part matters for long-term durability. The Newport Brass 1-001 is designed to fit specific fixtures, so I don’t have to worry about leaks, poor sealing, or compatibility problems that can happen with generic replacements. That gives me peace of mind and saves me time on repeated repairs.

I also see it as a practical investment because a small cartridge replacement can prevent bigger plumbing problems later. By fixing the cold side promptly, I protect my faucet, reduce water waste, and maintain the quality and appearance of my Newport Brass fixture.

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

What I Looked for in This Cartridge

When I was considering the Newport Brass 1-001 Cartridge W/s Cold, my first priority was compatibility. I wanted to make sure it would fit the specific Newport Brass faucet or valve I had in mind. For me, the most important thing was avoiding guesswork, so I checked the model number carefully before buying.

I also paid attention to build quality. Since a cartridge is one of those parts that directly affects how smoothly a faucet works, I wanted something that felt dependable and long-lasting. I looked for signs that the cartridge was made to handle regular use without leaking or wearing out too quickly.

Why I Considered Replacing the Cartridge

My main reason for looking at this part was faucet performance. When a cold-side cartridge starts to fail, I usually notice issues like dripping, stiffness when turning the handle, or inconsistent water flow. In my experience, replacing the cartridge is often a better solution than replacing the whole fixture.

I also liked the idea of restoring the faucet to its original feel. A good replacement cartridge can make a big difference in how the handle operates, and that mattered to me because I prefer my fixtures to work smoothly and quietly.

Compatibility Matters Most

One thing I learned quickly was that not every cartridge fits every Newport Brass faucet. I made sure to confirm the exact part number before ordering. In my opinion, this step is essential because even a small mismatch can lead to installation problems or poor performance.

I also checked whether I needed the cold-side version specifically. Since this cartridge is designed for cold water use, I wanted to be certain I was matching the correct side of the faucet. That saved me from buying the wrong part.

What I Considered Before Buying

Before I made my decision, I looked at a few practical factors:

  • Exact model compatibility
  • Ease of installation
  • Expected durability
  • Replacement urgency
  • Whether I needed any extra tools or plumber support

For me, the best purchase was one that solved the problem without creating another one. I preferred a part that would let me complete the repair with minimal hassle.

Installation Experience

When I thought about installation, I wanted something straightforward. In my experience, cartridge replacement is manageable if I have the right tools and take my time. I always shut off the water first and make sure I understand the faucet layout before starting.

I found that having the correct replacement part made the process much easier. If the cartridge matches properly, installation tends to go more smoothly and the faucet usually performs better right away.

Signs I Needed a New Cartridge

I knew it was time to replace the cartridge when I noticed symptoms such as:

  • A leaking or dripping faucet
  • A handle that felt hard to turn
  • Reduced cold-water flow
  • Water temperature issues on the cold side

These signs helped me decide that a replacement was more practical than trying temporary fixes. In my view, a worn cartridge is often the root cause of these problems.

My Final Thoughts Before Buying

If I were buying the Newport Brass 1-001 Cartridge W/s Cold again, I would focus on exact compatibility first and quality second. I would not rush the decision, because the right cartridge can restore faucet performance and save time in the long run.

My advice is simple: verify the part number, confirm it is the cold-side cartridge you need, and make sure you are comfortable with the installation. For me, that approach makes the purchase feel worthwhile and reliable.

Final Thoughts

I see the Newport Brass 1-001 Cartridge W/s Cold as a reliable replacement part that can help restore smooth performance to compatible fixtures. My main takeaway is that choosing the correct cartridge matters for maintaining proper function and preventing unnecessary wear. If I want a dependable repair solution, this is the kind of component I’d consider for a lasting fix.

Author Profile

Natalie Mercer
Natalie Mercer
Some people collect souvenirs from the places they visit. Natalie Mercer collects observations. Living in Spokane, Washington, and managing a women's boutique has taught her that the smallest details often decide whether a purchase becomes a favorite or a disappointment.

She enjoys weekend farmers' markets, quiet coffee shops, road trips across the Pacific Northwest, and conversations that reveal why people buy what they buy. Those everyday experiences shape every review she writes.

Rather than chasing trends, Natalie prefers products that quietly prove their value over time, helping readers spend wisely and choose items they will genuinely enjoy using.