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Backup Pump Parts

Whether you need a backup set of parts for less cleaning or you're looking for a 90-day replacement set, we've got you covered. Find backup parts for Willow Go, 360, Sync and Wave. Save 25% with code WOMENSDAY

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Willow 360® Spill-proof Milk Bags (48-pack)
HSA/FSA
25% OFF

Willow 360® Spill-proof Milk Bags (48-pack)

Patented milk bags enable 100% leak-proof pumping while keeping milk hygienic and ready to store.
$29.99
Willow Go® Splashguard Container Set (2-pack)
New
HSA/FSA
25% OFF

Willow Go® Splashguard Container Set (2-pack)

Our reusable containers (available in 5 oz and 7 oz) now feature a silicone Splashguard to give you more peace of mind (and less mess) when pumping.

$34.99
Willow Go® Backup Parts Set
HSA/FSA

Willow Go® Backup Parts Set

Swap out your Willow Go pump parts every 90 days to ensure maximum efficency or get a backup set for less cleaning with this bundle!

$78.97
Willow 360® Replacement Parts Set
HSA/FSA

Willow 360® Replacement Parts Set

Keep your Willow 360 pump working its best with this replacement parts bundle! Includes one set each of Milk Containers and Flextubes.
$109.98
Breast Pump Sizing Kit
New
HSA/FSA

Breast Pump Sizing Kit

Find your perfect breast pump flange fit with a wide range of inserts designed for maximum pumping comfort and milk output.
$24.99
Willow 360® Container Set (2-pack)
HSA/FSA
25% OFF

Willow 360® Container Set (2-pack)

Our reusable breast milk storage containers make pumping and transferring milk a breeze.

$69.99
Willow 360® Flextube Set (2-pack)
HSA/FSA
25% OFF

Willow 360® Flextube Set (2-pack)

Patented design carries milk from breast to bag or container as you pump, enabling leak-free pumping.
$39.99
Willow 360® Flange Set (2-pack)
HSA/FSA
25% OFF

Willow 360® Flange Set (2-pack)

Our flanges come in three sizes and are compatible with sizing inserts to give you optimal output.
$39.99
Willow Go® Replacement Parts Set
HSA/FSA

Willow Go® Replacement Parts Set

Keep your Willow Go pump working its best with this replacement parts bundle!

$43.98
Willow 360® Charger
HSA/FSA
25% OFF

Willow 360® Charger

Facilitates fast and easy charging and to power your pump for five sessions.
$29.99
Willow Go® Pump Diaphragm Set (2-pack)
HSA/FSA
25% OFF

Willow Go® Pump Diaphragm Set (2-pack)

Made of food-grade silicone, our diaphragm creates suction and prevents milk backflow into the pump.
$21.99
Willow Go® Container Duckbill Valve Set (2-pack)
HSA/FSA
25% OFF

Willow Go® Container Duckbill Valve Set (2-pack)

Made of durable, food-grade silicone, our breast pump valves keep your milk flowing in the right direction.

$21.99
Willow 360® Milk Container Insert Replacement Set (2-pack)
HSA/FSA
25% OFF

Willow 360® Milk Container Insert Replacement Set (2-pack)

Designed to snap directly into our breast milk storage containers, optimizing comfort and output.
$19.99
Willow Go® Flange Set (2-pack)
HSA/FSA
25% OFF

Willow Go® Flange Set (2-pack)

Available in three sizes (27 mm, 24 mm, and 21 mm) and compatible with sizing inserts, so you can find what works for you no matter what.
$39.99
Willow Go® Dual Port USB Charger
HSA/FSA
25% OFF

Willow Go® Dual Port USB Charger

Our USB charger has two ports so you can charge both of your pumps at the same time.
$14.99
Willow Go® Backup Splashguard Container Bundle
HSA/FSA

Willow Go® Backup Splashguard Container Bundle

Bundle up with a backup set of Splashguard Container Sets for less cleaning after each pumping session. Includes 1 set of 5 oz. containers and 1 set of 7 oz. containers
$70.00
Willow 360® Backup Container Bundle
HSA/FSA

Willow 360® Backup Container Bundle

Bundle up with a backup set of Container Sets for less cleaning after each pumping session.
$100.00
Willow Wave Gaskets (2-pack)
HSA/FSA
25% OFF

Willow Wave Gaskets (2-pack)

Durable silicone gasket that creates a leak-proof seal between the container and lid to help prevent spills and preserve milk collection.

$12.99
Willow Wave Tubing
HSA/FSA
25% OFF

Willow Wave Tubing

Tubing connects pump handle to the collection cup, helping you create steady suction with every squeeze.
$12.99
Willow Wave Valves Set (4-pack)
HSA/FSA
25% OFF

Willow Wave Valves Set (4-pack)

Made with durable, food-grade silicone, our valves ensure your milk flows smoothly and only one way
$14.99
Willow Sync Tubing
New
HSA/FSA
25% OFF

Willow Sync Tubing

When connected, the tubing delivers suction from the pump to the pump cup for in-bra double pumping.
$19.99
Willow Sync Splashguard Container Set (2-pack)
HSA/FSA
25% OFF

Willow Sync Splashguard Container Set (2-pack)

Reusable 5 oz. containers with silicone Splashguards to give you more peace of mind (and less mess) when pumping.
$34.99
Willow Sync Flange Set 24mm (2-pack)
New
HSA/FSA
25% OFF

Willow Sync Flange Set 24mm (2-pack)

Willow flanges are designed for comfort and feature longer, smoother flange tunnels to prevent nipple crashing and a 105-degree flange cone angle, which is clinically proven to optimize milk output.

$24.99
Willow Sync Duckbill Valve Set (2-Pack)
New
HSA/FSA
25% OFF

Willow Sync Duckbill Valve Set (2-Pack)

Made of durable, food-grade silicone, our breast pump valves keep your milk flowing in the right direction.
$15.99

DISCOVER WILLOW GO

#1 in comfort.

For mom's first priority.

MEET WILLOW WAVE

A manual pump

for today's mom.

Pumping, revolutionized

Before Willow, an efficient, empowering, comfortable & convenient pumping solution didn’t exist. So we created one.

Learn More
Pump Quiz

Why buy direct from Willow?

Free Shipping

Free shipping on all pump orders - delivering pumping freedom to your front door!

Exclusive Savings

Save on pumps with insurance, HSA/FSA or installments starting at just $29.*

Superior Care

Willow ranks #1 in customer satisfaction, the highest rating for any breast pump brand.*

2-Year Warranty

Get peace of mind with a 2-year protection plan on your pump, only available here.

Learn from our experts

View All blog posts
Seven Must-Haves to Pack in Your Pumping Bag

Seven Must-Haves to Pack in Your Pumping Bag

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Breastfeeding & pumping
Introducing the Glass Breast Milk Pitcher

Introducing the Glass Breast Milk Pitcher

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Breastfeeding & pumping
Comparing Passive Pumps & Catch Cups: Which is Right for You?

Comparing Passive Pumps & Catch Cups: Which is Right for You?

Read More
Breastfeeding & pumping
Tips from an LC: How to Optimize Your Milk Supply When Pumping

Tips from an LC: How to Optimize Your Milk Supply When Pumping

Read More
Breastfeeding & pumping
Willow Launches New Pumping and Feeding Accessories to Expand Support to Breastfeeding Mothers

Willow Launches New Pumping and Feeding Accessories to Expand Support to Breastfeeding Mothers

Read More

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