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Keep Your Pump
Performing Like New

Your breast pump works hard.
Keep it running efficiently with the original eufy replacement parts.

Shop Replacement Parts

When Parts Wear Down,
Your Pump Slows Down

Fresh accessories keep every session efficient and comfortable.

Suction You Can Feel

Over time, valves stretch and lose their snap, reducing suction by up to 50%.

Hygiene You Can Trust

Microscopic wear creates spaces for bacteria to grow.

Time You Are Reclaiming

A worn seal means longer pumping for the same output.

Stay Ahead of the Wear

Know exactly when to replace these essential parts to maintain peak performance.

Every 2 - 3 Months:
Duck Valve
Duck Valve
Diaphragm
Diaphragm
Flange
Flange
Spout Cap
Spout Cap
Insert
Insert
Every 3 - 6 Months:
Milk Container
Milk Container
Dust Cover
Dust Cover
As Needed
Carrying Case
Charging Case
Cleaning Brush
Cleaning Brush
Magnet Charging Cable
Magnetic Charging Cable

Essential Replacements

Original eufy parts designed for the perfect fit and support lasting performance.

eufy Diaphragm (2-Pack) for Breast Pump E10/E20/S1/S1 Pro

eufy Wearable Breast Pump E10/S1/S1 Pro Original Diaphragm (2-Pack)

Compatibility:Compatible with eufy Breast Pump E10 / E20 / S1 / S1 Pro. Food-Grade Silicone: Made from food-grade silicone, the diaphragm is safe for both mother and baby and durable for repeated use
$19.99
eufy 19mm Sizing Insert (2-Pack) for Wearable Breast Pump E10/E20/S1/S1 Pro

eufy Wearable Breast Pump E10/S1/S1 Pro Original 19mm Sizing Insert (2-Pack)

Compatibility:Compatible with eufy Breast Pump E10 / E20 / S1 / S1 Pro. Easy to Install and Use: Enjoy hassle-free, simple setup and operation. Sizing Guide: Refer to our sizing guide to select the ri

Sold Out

eufy 17mm Sizing Insert (2-Pack) for Wearable Breast Pump E10/E20/S1/S1 Pro

eufy Wearable Breast Pump E10/S1/S1 Pro Original 17mm Sizing Insert (2-Pack)

Compatibility:Compatible with eufy Breast Pump E10 / E20 / S1 / S1 Pro. Easy to Install and Use: Enjoy hassle-free, simple setup and operation. Sizing Guide: Refer to our sizing guide to select the ri
$24.99
eufy Duckbill Valves (4-Pack) for Wearable Breast Pump E10/E20/S1/S1 Pro

eufy Wearable Breast Pump E10/S1/S1 Pro Original Duckbill Valves (4-Pack)

Compatibility:Compatible with eufy Breast Pump E10 / E20 / S1 / S1 Pro. Closed, Anti-Blackflow Design: Designed to prevent backflow of breast milk and help direct milk to the bottom of the container,
$19.99

Set It and Forget It

Fresh parts delivered right to your door before you even need them.

Timely deliveries
Beat the wear with timely deliveries.
HSA / FSA eligible on qualifying items.
HSA / FSA eligible on qualifying items.
Fast, free shipping.
Fast, free shipping.
Cancel or pause anytime.
Cancel or pause anytime.
Breast pump accessories kit
Delivery every 3 months15% OFF
Accessories:
  1. Flange × 2
  2. Duckbill Valve × 2
  3. Backflow Protector × 2
  4. Milk Container × 2
Choose Your Flange Size:
Subscription Service for Accessories:
$110.49

Find What Fits Your Pump

Select your device to find the exact parts you need.

eufy Breast Pump S1 Pro and Original 27 mm Flange (2-Pack)

eufy Breast Pump S1 Pro & Original 27mm Flange (2-Pack)

Breast Pump S1 Pro: The Innovative Heated Wearable Breast Pump: Groundbreaking HeatFlow™ technology prevents clogs and boosts your output by 30%¹. Enjoy high-efficiency pumping with spa-like warmth. N
$389.99
Saved $20.00
eufy 17mm Sizing Insert (2-Pack) for Wearable Breast Pump E10/E20/S1/S1 Pro

eufy Wearable Breast Pump E10/S1/S1 Pro Original 17mm Sizing Insert (2-Pack)

Compatibility:Compatible with eufy Breast Pump E10 / E20 / S1 / S1 Pro. Easy to Install and Use: Enjoy hassle-free, simple setup and operation. Sizing Guide: Refer to our sizing guide to select the ri
$24.99
eufy 19mm Sizing Insert (2-Pack) for Wearable Breast Pump E10/E20/S1/S1 Pro

eufy Wearable Breast Pump E10/S1/S1 Pro Original 19mm Sizing Insert (2-Pack)

Compatibility:Compatible with eufy Breast Pump E10 / E20 / S1 / S1 Pro. Easy to Install and Use: Enjoy hassle-free, simple setup and operation. Sizing Guide: Refer to our sizing guide to select the ri

Sold Out

eufy Diaphragm (2-Pack) for Breast Pump E10/E20/S1/S1 Pro

eufy Wearable Breast Pump E10/S1/S1 Pro Original Diaphragm (2-Pack)

Compatibility:Compatible with eufy Breast Pump E10 / E20 / S1 / S1 Pro. Food-Grade Silicone: Made from food-grade silicone, the diaphragm is safe for both mother and baby and durable for repeated use
$19.99

Frequently Asked Questions

Your answers to questions about replacement parts and HSA / FSA eligibility.

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