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5 Best Breast Pump Parts of 2025

Last Updated - 2025/06/28

1
Best Choice
20% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Medela
20% Off

Medela New Harmony Manual Breast Pump with PersonalFit Flex

Medela

CA$39.99

CA$49.99
(20% Off)

More Details
Main highlights
- Research-based technology: our manual breast pump uses 2 phase technology to mimic natural baby sucking behavior at the mother’s breast
- Light and discreet: our new Medela harmony manual pump can easily fit into your handbag so you can take it almost anywhere and pump
- INCLUDES: (1) Harmony breast pump (handle, diaphragm, stem with o-ring); (1) 24mm PersonalFit Flex Breast Shield; (1) 5oz/150mL Breast Milk Bottle, Lid and Stand; (1) Harmony Connector; (1) Valve; (1) Membrane
- Flex Technology: unique 105-degree angle, oval shape, and soft rim offer a better fitting breast shield for optimal comfort while pumping and more milk per session
- Ease of use: easy to use and clean leaving you with more time to spend with baby
CA$39.99
CA$49.99 (20% Off)
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Medela

Medela PersonalFit Flex Replacement Connectors, 2 per Pack, Compatible with Pump In Style MaxFlow, Swing Maxi, Solo and Freestyle Flex Breast Pumps, Authentic Medela Spare Parts

Medela

CA$39.98

More Details
Main highlights
- MEDELA AUTHENTIC SPARE PARTS: Quality and performance you can trust. Have an extra set for work or travel, or a replacement for lost or damaged connectors
- MADE WITHOUT BPA: Safe for you and baby
- CUSTOMIZED FOR YOU: Works with all PersonalFit Breast Shields and sizes, including the PersonalFit Flex Breast Shields
- COMPATIBLE WITH: Medela's Pump in Style with MaxFlow technology, Swing Maxi, Solo and Freestyle Flex breast pumps
- COMFORTABLE DESIGN: Pump in more reclined and comfortable positioning
- CLOSED SYSTEM: Overflow Protection prevents milk from overflowing into the tubing and motor. Easy to assemble and clean
CA$39.98
3
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Maymom

Maymom Breast Pump Kit for Medela Pump in Style Pumps; 2 Breastshields, 4 Valves, 6 Membranes, & 2 Tubes for Pump in Style Advanced Sold After July 2006; Replacement Parts for Medela Breast Shield, Medela Tubing, Valves and Membranes

Maymom

CA$34.49

More Details
Main highlights
- Value pack of 25 mm Breastshield x2, Valve x 4, Membrane x 6, Tube x 2 for Pump in Style Advanced sold after July 2006 and Pump in Style Original sold before 2004
- US FDA registered medical device (No. D192499); Comply with US FDA standards for containers that contact food and class II medical device. Test reports are online for your reference;
- Bottles are not inlucded; You can use any Medela bottles or other standard sized bottles.
- BPA free; Retail poly-bag packed; Sealed by the manufacturer.
- 4 years of experience in making high quality Medela breast pump compatible parts; 100% compatibility guaranteed!
CA$34.49
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

IVARONAL

6Pcs Duckbill Valves and 4Pcs Diaphragm Compatible with Momcozy S12 Pro/S12/S9 Pro/S9 24mm Breast pump, Mom cozy Breast Pump Replacement Accessories

IVARONAL

CA$19.99

More Details
Main highlights
- 【What You get】：10 piece set including 6pcs Duckbill Valves and 4pcs Silicone Diaphragms.Your satisfaction is our encouragement to pursue high-quality service and products, please reach out to us if there is something we can help, Our dedicated service team is committed to providing you with the best possible solution and ensuring your satisfaction.
- 【Same suction power as OEM 】：We have tested that our breast pump replacements have the same suction power as the original one, no Backflow, no Leaking,keeping your breast pump at the best performance level.
- 【High Quality ,Safe and Comfortable】: Our pumping replacement parts are crafty from food-grade silicone material ,BPA-free,providing you with the assurance to use it confidently. The soft-touch material provides a snug fit, promoting efficient pumping without causing irritation or discomfort.
- 【Compatible Brest Pumps】：These diaphragm and duckbill valve breast replacement compatible with Momcozy S12 Pro/S9 Pro/S12/S9,and fittings are universal for most wearable breast pumps on the market.Not Original Accessories.
- 【 Easy to Clean】: Washing the pump diaphragm and duckbill valve after each use,hey can be sanitized using water steam, boiling water, or microwave-steam bags, ensuring a hygienic and durable pumping accessory.We recommend that replacing them every 2 months to maintain optimal functionality.
CA$19.99
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

IVARONAL

6PCS Duckbill Valves & 4PCS Diaphragm Compatible with Momcozy M5 Wearable Breast Pump, Replacement Pump Parts Accessories Compatible for M5 Momcozy, Not Original Mom Cozy Accessories

IVARONAL

CA$19.99

More Details
Main highlights
- 【Perfectly Compatibility】: Our duckbill valves and diaphragm is same suction as original pump parts without the issue of gaps on valve tips ,perfectly compatible with Momcozy M5 as the original ones did.Great replacement parts of stain diaphragm bring same comfortable and ease experience as you use with the original one.
- 【Package Content】：10pcs M5 breast pump replacement accessories, including 6pcs duckbill valve and 4pcs silicone diaphragm,Made by IVARONAL,Not Original Mom cozy Parts
- 【Food Grade Silicone Material】: M5 breast pump replacement accessories are made of food grade silicone, durable, no leaking, BPA free, soft and odorless, skin-friendly for mommy and baby. soft comfortable material, Snug fit can comfort and efficient pumping.
- 【Easy to Clean】: Wash duckbill valves and diaphragm for momcozy m5 after each use with warm soapy water and rinse well. Please use boiling water/steam, with a temperature of ≤100℃（212℉）for 5-10mins. Hard brushes is not recommended, please use finger tips instead.
- 【Closed System Design】:Silicone duckbill valve designed to prevent back-flow of breast milk, help to drain breast milk to the bottom of container, no loss of suction. Diaphragm are produced strictly according to professional standards, the stronger suction draws out more milk.
CA$19.99

5 Best Breast Pump Parts of 2025

Medela New Harmony Manual Breast Pump with PersonalFit Flex

Medela PersonalFit Flex Replacement Connectors, 2 per Pack, Compatible with Pump In Style MaxFlow, Swing Maxi, Solo and Freestyle Flex Breast Pumps, Authentic Medela Spare Parts

Maymom Breast Pump Kit for Medela Pump in Style Pumps; 2 Breastshields, 4 Valves, 6 Membranes, & 2 Tubes for Pump in Style Advanced Sold After July 2006; Replacement Parts for Medela Breast Shield, Medela Tubing, Valves and Membranes

6Pcs Duckbill Valves and 4Pcs Diaphragm Compatible with Momcozy S12 Pro/S12/S9 Pro/S9 24mm Breast pump, Mom cozy Breast Pump Replacement Accessories

6PCS Duckbill Valves & 4PCS Diaphragm Compatible with Momcozy M5 Wearable Breast Pump, Replacement Pump Parts Accessories Compatible for M5 Momcozy, Not Original Mom Cozy Accessories

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