6-Pack 40mm Rubber Washers – Reliable Sealing for Sink & Drain Pipe Fittings

Keep your plumbing connections leak-free with these heavy-duty 40mm rubber seal washers. Designed to fit standard sink waste pipes and drainage fittings, this convenient 6-piece set gives you spares on hand for any maintenance or repair job around the home. Simply slip them into place — no specialist tools needed.

Key Features

Universal 40mm Fit: Compatible with a wide range of sink waste pipes, drainage pipes, and plumbing pipe fittings with an inner diameter of 38mm (1.57 in) and outer diameter of 43mm (1.69 in).
Premium Rubber Construction: Made from durable rubber that maintains a tight, secure seal under regular use, resisting moisture and everyday wear.
Excellent Sealing Performance: Creates a watertight barrier between pipe joints and fittings, helping to protect your plumbing system from leaks and drips.
Easy, Tool-Free Installation: Simply position the washer between fittings or joints for a snug seal — no complicated techniques required.
Versatile Application: Ideal for kitchen sink waste pipes, bathroom basin fittings, garden and outdoor water pipes, and general drainage use.
Value Pack of 6: Get six washers in a single purchase, so you always have a replacement ready when you need one.

Specifications

Material	Rubber
Color	Black
Inner Diameter	38mm / 1.57 in
Outer Diameter	43mm / 1.69 in
Nominal Size	40mm
Quantity	6 pieces
Country of Origin	Made in China

Package Contents

6 × 40mm Rubber Seal Washers

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Important Notes

Actual color may vary slightly from on-screen images due to monitor brightness and lighting conditions.
Please allow a slight manual measurement deviation for stated dimensions.

For general guidance on home plumbing safety and maintenance standards, visit the U.S. Consumer Product Safety Commission (CPSC).

Learn more: Gasket

Frequently Asked Questions

Q: What pipe size are these 40mm rubber washers compatible with?

A: These rubber seal washers are designed for plumbing fittings with a nominal size of approximately 40mm. They have an inner diameter of 38mm (1.57 in) and an outer diameter of 43mm (1.69 in), making them suitable for standard sink waste pipes, drainage pipes, and many kitchen or bathroom basin fittings of this size.

Q: Can these rubber washers be used outdoors?

A: Yes! These washers are made from durable rubber that holds up well in a variety of environments, including outdoor garden water pipes and hose fittings. They are a versatile solution for both indoor plumbing and outdoor water connections.

Q: How do I install these pipe seal washers?

A: Installation is straightforward and tool-free. Simply place the rubber washer between the two pipe fittings or at the joint connection, then tighten the fittings as normal. The rubber compresses to form a watertight seal without requiring any special equipment or adhesives.

Q: How many washers come in this pack?

A: Each pack contains 6 rubber seal washers, giving you plenty of spares for multiple fittings or future maintenance needs.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.