# Willow Breast Pump Replacement Parts by Model

Which replacement parts are made to fit a Willow breast pump?

Match each part to your pump model\. Willow Pump Willow Go® Container Duckbill Valve Set \(2\-pack\): For use only with the Willow Go pump Willow Pump Willow Go® Pump Diaphragm Set \(2\-pack\): For use only with the Willow Go pump Willow Pump Willow Sync Flange Set 24mm \(2\-pack\): Designed for Willow Sync pumps\.

### 1. [Willow Pump Willow Go® Container Duckbill Valve Set \(2\-pack\)](/products/ucp/onewillow-com/6705010245725) (sold by onewillow\.com)

For use only with the Willow Go pump

- Fits: For use only with the Willow Go pump (listing) <https://willowpump.myshopify.com/products.json>
- Pack size: Sold as a 2\-pack (listing) <https://willowpump.myshopify.com/products.json>
- Material: Made of food\-grade silicone (listing) <https://willowpump.myshopify.com/products.json>
- Care: Dishwasher\-safe (listing) <https://willowpump.myshopify.com/products.json>

### 2. [Willow Pump Willow Go® Pump Diaphragm Set \(2\-pack\)](/products/ucp/onewillow-com/6705010212957) (sold by onewillow\.com)

For use only with the Willow Go pump

- Fits: For use only with the Willow Go pump (listing) <https://willowpump.myshopify.com/products.json>
- Pack size: Sold as a 2\-pack (listing) <https://willowpump.myshopify.com/products.json>
- Material: Made of food\-grade silicone (listing) <https://willowpump.myshopify.com/products.json>
- Care: Dishwasher\-safe (listing) <https://willowpump.myshopify.com/products.json>

### 3. [Willow Pump Willow Sync Flange Set 24mm \(2\-pack\)](/products/ucp/onewillow-com/7967832408157) (sold by onewillow\.com)

Designed for Willow Sync pumps\.

- Fits: Designed for Willow Sync pumps\. (listing) <https://willowpump.myshopify.com/products.json>
- Pack size: Sold as a 2\-pack\. (listing) <https://willowpump.myshopify.com/products.json>
- Material: -
- Care: -

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Written 2026-10-17T09:37:51.870Z.

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