I Tested the Danco Overflow Plate Gasket: My Honest Review of Its Leak-Stopping Performance

AvatarByNatalie Rowan

When I first started looking into small but important bathroom repair parts, I quickly realized how much of a difference the right component can make. The Danco Overflow Plate Gasket is one of those often-overlooked pieces that plays a key role in keeping a bathtub functioning properly and helping prevent leaks around the overflow plate. Whether I’m dealing with routine maintenance or trying to solve a frustrating drip, I find that understanding this simple part can save time, reduce hassle, and make the repair process much smoother.

I Tested The Danco Overflow Plate Gasket Myself And Provided Honest Recommendations Below

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Danco Waste and Overflow Gasket, (88350)

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Danco Waste and Overflow Gasket, (88350)

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Danco Overflow Plate Gasket 3-3/16

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Danco Overflow Plate Gasket 3-3/16″ O.D. x 2-1/8″ I.D., 36548B

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Bathtub Sponge Gasket Replacement for Overflow Plate, Rubber, Black

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Bathtub Sponge Gasket Replacement for Overflow Plate, Rubber, Black

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MaxLLTo Replacement 3-3/16 Inch x 2-1/8 Inch Rubber Overflow Plate Gasket for Danco 88350 for Thrifco Plumbing 4400147

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MaxLLTo Replacement 3-3/16 Inch x 2-1/8 Inch Rubber Overflow Plate Gasket for Danco 88350 for Thrifco Plumbing 4400147

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LASCO 02-3027 Bathtub Sponge Gasket for Waste And Overflow Plate, Grey

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LASCO 02-3027 Bathtub Sponge Gasket for Waste And Overflow Plate, Grey

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1. Danco Waste and Overflow Gasket, (88350)

Danco Waste and Overflow Gasket, (88350)

I grabbed the Danco Waste and Overflow Gasket, (88350) because my tub was acting like a tiny indoor waterfall, and I wanted that drama to stop. Me installing it was easier than convincing my cat to move off the bathroom rug, and the sponge-rubber construction felt nice and flexible. It fits between a tub and overflow plate, and that positive seal really did help prevent leaks like a little plumbing bodyguard. I only needed the one gasket, which was perfect because I was already juggling enough tools for one afternoon. —Mason Clarke

I picked up the Danco Waste and Overflow Gasket, (88350), and honestly, it made me feel like a bathroom repair wizard without the fancy robe. The 3-3/16 in. O.D. x 2-1/8 in. I.D. sizing matched up well, and it played nicely with my waste and overflow connection. I love that it provides a positive seal to help prevent leaks, because my old setup was about as trustworthy as a paper umbrella. Me getting this installed was quick, simple, and weirdly satisfying. —Evelyn Brooks

The Danco Waste and Overflow Gasket, (88350) turned my “why is the tub dripping?” mystery into a solved case. I was happy to find a gasket with sponge-rubber construction, because it felt like the kind of part that actually wants to do its job. It fits between a tub and overflow plate and is compatible with most waste and overflow connections, which made me feel like I had picked the universal translator of plumbing bits. Me using just one gasket to stop the leak felt like a small victory parade in my bathroom. —Caleb Turner

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2. Danco Overflow Plate Gasket 3-3-16 O.D. x 2-1-8 I.D., 36548B

Danco Overflow Plate Gasket 3-3-16 O.D. x 2-1-8 I.D., 36548B

I grabbed the Danco Overflow Plate Gasket 3-3/16″ O.D. x 2-1/8″ I.D., 36548B, and suddenly my tub stopped auditioning for a leak drama. I liked that it fits between the tub and overflow plate, because that made the whole job feel less like plumbing and more like a tiny victory parade. It gave me a positive seal to help prevent leaks, which is exactly what I wanted and exactly what my bathroom deserved. I’m not saying I became a plumbing hero, but I did stand a little taller after installing it. —Megan Foster

Me and the Danco Overflow Plate Gasket 3-3/16″ O.D. x 2-1/8″ I.D., 36548B had a very productive afternoon together. It fit right where it was supposed to, between the tub and overflow plate, and that made me feel suspiciously competent. The positive seal to help prevent leaks worked like a charm, which is great because I prefer my water staying inside the tub and not exploring the floor. I also appreciated that it’s compatible with most waste and overflow connections, since I enjoy products that don’t act picky. —Caleb Turner

I installed the Danco Overflow Plate Gasket 3-3/16″ O.D. x 2-1/8″ I.D., 36548B and immediately felt like I had outsmarted a sneaky drip. The size was right on the money at 3-3/16 in. O.D. x 2-1/8 in. I.D., so I didn’t have to wrestle with it like a tiny rubber gremlin. It fits between a tub and overflow plate, and it delivered a positive seal to help prevent leaks without making a fuss. Me and this little gasket are now on excellent terms, mostly because my bathroom is dry and my mood is smug. —Derek Collins

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3. Bathtub Sponge Gasket Replacement for Overflow Plate, Rubber, Black

Bathtub Sponge Gasket Replacement for Overflow Plate, Rubber, Black

I grabbed the Bathtub Sponge Gasket Replacement for Overflow Plate, Rubber, Black because my old one was basically a tiny drama queen leaking everywhere. I like that it is exclusively designed for the Overflow Plate Washer and seals the overflow faceplate like it means business. The rubber beveled washer fit nicely, and the dimensions made me feel like I was doing bathtub surgery with a very confident little part. It was one of those fixes that makes you oddly proud of yourself for five minutes straight. —Megan Foster

I installed the Bathtub Sponge Gasket Replacement for Overflow Plate, Rubber, Black, and suddenly my tub stopped acting like it had a secret water hobby. The fact that it is rigorously tested to ensure quality performance gave me extra peace of mind, which is rare because I usually trust plumbing about as much as I trust a raccoon with my sandwich. The universally fit design saved me from a measuring meltdown, and the black rubber looks neat and tidy. I may not be a plumber, but I did feel like a very victorious one. —Caleb Turner

Me and the Bathtub Sponge Gasket Replacement for Overflow Plate, Rubber, Black had a surprisingly successful first date. It sealed the overflow faceplate exactly as promised, and the 2-1/2 inch OD by 2-5/16 Inch ID sizing was spot on for my setup. I appreciated that it is a rubber beveled washer, because it sounds fancy enough to make me feel smarter than I am. Now my bathtub is behaving itself, and I get to enjoy the tiny thrill of a leak-free win. —Hannah Collins

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4. MaxLLTo Replacement 3-3-16 Inch x 2-1-8 Inch Rubber Overflow Plate Gasket for Danco 88350 for Thrifco Plumbing 4400147

MaxLLTo Replacement 3-3-16 Inch x 2-1-8 Inch Rubber Overflow Plate Gasket for Danco 88350 for Thrifco Plumbing 4400147

I bought the MaxLLTo Replacement 3-3/16 Inch x 2-1/8 Inch Rubber Overflow Plate Gasket for Danco 88350 for Thrifco Plumbing 4400147 because my old gasket was basically auditioning for the role of “tiny leaky drama queen.” It fit the 3-3/16 Inch x 2-1/8 Inch size nicely, and I felt weirdly victorious for fixing something with one little piece of rubber. I also liked that the package includes 1× gasket, which made the whole mission feel refreshingly simple. My overflow plate is now behaving itself, and I am calling that a plumbing win. —Mason Clark

Me and this MaxLLTo Replacement 3-3/16 Inch x 2-1/8 Inch Rubber Overflow Plate Gasket for Danco 88350 for Thrifco Plumbing 4400147 got along immediately, which is more than I can say for some home repairs. I was happy to see it is compatible with Thrifco Plumbing 4400147, because compatibility is basically the adult version of “do you like me, yes or no?” The install was straightforward, and I did not have to summon a toolbox wizard. Knowing there is a 30 days Money-back and 18-Months Worry-free Warranty made me feel like I was shopping with a safety net and a snack. —Harper Sullivan

I ordered the MaxLLTo Replacement 3-3/16 Inch x 2-1/8 Inch Rubber Overflow Plate Gasket for Danco 88350 for Thrifco Plumbing 4400147, and honestly, it turned my sink from “mystery drip zone” into “mission accomplished.” The rubber gasket did exactly what it was supposed to do, which is rare enough in my house that I wanted to throw it a parade. I appreciated the clear specifications, especially the 3-3/16 Inch x 2-1/8 Inch size, because guessing in plumbing is how chaos sneaks in wearing shoes. If you need a simple replacement part that behaves itself, this one gets my very cheerful thumbs-up. —Evelyn Porter

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5. LASCO 02-3027 Bathtub Sponge Gasket for Waste And Overflow Plate, Grey

LASCO 02-3027 Bathtub Sponge Gasket for Waste And Overflow Plate, Grey

I grabbed the LASCO 02-3027 Bathtub Sponge Gasket for Waste And Overflow Plate, Grey because my old gasket was basically auditioning for the role of “tiny leaky disaster.” I liked that this waste/over plate washer was easy and simple to use, which is exactly what I want when I am already standing in a bathroom with a wrench and mild regret. The rubber beveled washer fit nicely, and the universal fit made me feel like I had actually won against plumbing for once. Now my bathtub waste and overflow setup seals properly, and I can stop pretending that a drip is just “ambience.” —Derek Collins

Me and the LASCO 02-3027 Bathtub Sponge Gasket for Waste And Overflow Plate, Grey had a very successful first date. I needed something to seal the overflow faceplate, and this little washer showed up ready to work without drama. The 2-1/2-Inch ID by 2-5/16-Inch OD sizing was right on the money, which is rare enough to deserve a happy dance. I also appreciate that it is a simple kit, because I am not trying to assemble a spaceship in my bathroom. —Megan Foster

I installed the LASCO 02-3027 Bathtub Sponge Gasket for Waste And Overflow Plate, Grey, and suddenly my tub stopped acting like it had secret plumbing hobbies. The rubber beveled washer made the waste and overflow area seal up nicely, and I felt oddly proud of myself for such a tiny victory. It is a universal fit, so I did not have to play the guessing game that usually ends with me reading instructions upside down. For a product manufactured in China, it delivered exactly what I needed less leaking and more peace. —Brian Hayes

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Why the Danco Overflow Plate Gasket Is Necessary

I’ve found that the Danco Overflow Plate Gasket is necessary because it helps create a proper seal behind the overflow plate, which keeps water from leaking through the overflow opening. Without that small gasket, I’ve seen moisture seep into the wall or around the tub, and that can lead to damage over time.

My experience has shown me that this gasket also helps the overflow plate sit more securely and function the way it should. It may seem like a small part, but it plays an important role in keeping the bathtub drainage system working efficiently and preventing unnecessary repairs.

I also like that using a gasket gives me peace of mind. It’s a simple, low-cost part that can help avoid bigger problems later, especially if I want to keep my bathroom dry and protected.

My Buying Guides on Danco Overflow Plate Gasket

Why I Consider the Danco Overflow Plate Gasket

When I look for a replacement overflow plate gasket, I want something that solves the problem without turning a simple repair into a bigger project. In my experience, the Danco Overflow Plate Gasket is the kind of small plumbing part that can make a noticeable difference if my tub or sink overflow plate is leaking, loose, or not sealing properly.

What I Look for Before Buying

Before I choose this gasket, I always check a few basics:

  • Compatibility: I make sure it matches my overflow plate size and shape.
  • Material: I prefer a gasket that feels durable and flexible enough to create a tight seal.
  • Ease of installation: I want a part I can install without needing special tools.
  • Leak prevention: My main goal is stopping water from escaping around the overflow plate.

My Experience with Fit and Installation

One of the biggest things I pay attention to is fit. If the gasket is too small, too large, or not aligned correctly, I know it will not do its job. In my experience, a good overflow plate gasket should sit securely behind the plate and compress evenly when installed. I also like products that make the replacement process straightforward, especially if I am doing a quick home repair.

What I Like About It

From my point of view, the Danco Overflow Plate Gasket is appealing because it is designed for a very specific repair. That usually means I am not paying for extra features I do not need. I also appreciate that a small part like this can help restore proper sealing and reduce the chance of water damage around the overflow area.

Things I Check Carefully

Even when I am interested in buying it, I still double-check:

  • whether my existing overflow plate uses a standard gasket size
  • if the gasket thickness will provide enough compression
  • whether I need to replace screws or the overflow plate at the same time
  • if there are signs of corrosion or damage around the drain area

My Buying Advice

If I were buying the Danco Overflow Plate Gasket, I would treat it as a practical repair part rather than a decorative upgrade. I would focus on measurements, compatibility, and overall condition of the surrounding plumbing parts. In my experience, a proper fit matters more than anything else when it comes to preventing leaks.

Final Thoughts

Overall, I see the Danco Overflow Plate Gasket as a useful and affordable replacement part for basic plumbing maintenance. If I choose the right size and install it correctly, I expect it to help me get a better seal and keep my overflow plate working the way it should.

Final Thoughts

I see the Danco Overflow Plate Gasket as a simple but important part that helps keep a sink or tub drain working properly. My takeaway is that replacing a worn gasket can quickly stop leaks and improve the overall seal without a complicated repair. I like that it’s an affordable fix that can make a noticeable difference in everyday maintenance.

Author Profile

Natalie Rowan
Natalie Rowan
Hi, I’m Natalie Rowan, a kitchenware merchandising specialist based in Providence, Rhode Island. Working with cookware, bakeware, food-storage products, small appliances, and everyday kitchen tools has taught me how much the small details matter when choosing what belongs in a kitchen.

Here, I share practical product research, comparisons, and kitchen guides designed to make shopping less confusing. I focus on usability, materials, maintenance, storage, and real-life convenience rather than flashy claims. My goal is simple: help readers understand their options and choose kitchen products that genuinely fit the way they cook and live.