Willow: Wearable Breast Pump – Willow Pump

Willow Go® Pump Diaphragm Set (2-pack)

Willow Go® Pump Diaphragm Set (2-pack) - Main image
Willow Go® Pump Diaphragm Set (2-pack) - View 2Willow Go® Pump Diaphragm Set (2-pack) - View 3
$11 $21.99 In stock

Category: Accessories

Willow Go's food-grade silicone diaphragm helps create suction and prevents milk backflow into the pump.

• Keep a spare set of pump parts on hand to minimize clean-up between sessions
• Replace your parts regularly for optimal pumping performance
• Exclusively for use with the Willow Go pump
• Dishwasher-safe
• Not made with BPA

Replacing Your Parts

For optimal output, replace every 90 days (or when you notice discomfort or signs of wear).

How long does breast milk last?

How to thaw & warm safely

How to store breast milk on-the-go

Before you pay

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When it ships

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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If you need a refund

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Please contact us for the refund processing timeframe before returning an item.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Riley C. ★★★★★

Getting a second set of these diaphragms has cut my nightly pump cleanup in half, and the food-grade silicone still feels just as firm after a month of daily hot-water washes. Honestly, just having the spare parts ready means I never have to scramble when the first set isn't dry yet.

Ava ★★★★★

The silicone is food-grade and sturdy, so washing and reusing these between sessions has been a no-brainer. I grabbed the extra set to cut down on midnight scrubbing, and it’s held up perfectly through multiple hot-water sterilizations.

Robert N. ★★★★★

Finally having a spare set means I can go a full day without scrambling to wash parts after every session. The food-grade silicone feels sturdy and the suction is just as reliable as the original. Definitely worth grabbing if you're pumping regularly.

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