Best Silicone Pump Replacement Parts in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Esther House | 9.86 | ✅ | ✅ | ✅ |
Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 18mm widemouth flange and Valve for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. Suitable for mother with a niple diameter less than 16-17mm (measured AFTER a pumping session).
Compatible with spectra wide mouth bottles, AVEN bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles.
Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra.
BPA free; Complies with US FDA regulation for plastics that contact food.
Dishwasher top-rack safe; Steam safe cleaning
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Esther House | 9.86 | ✅ | ✅ | ✅ |
Kit Contents: 2 Flanges ( 24mm), 2 Duckbill Valves, 2 Backflow Protectors, 2 Tubes, 2 Bottles (with One-Piece Travel Cap). Compatible with Spectra S2, Spectra S1, Spectra 9 Plus Breastpump. Nipples and Dome Caps are NOT included in this kit
All pump parts made by Maymom. Not Original Spectra S2 Accessories. Not Original Spectra S1 Accessories. Not Original Spectra Pump Parts
Compatible and interchangeable with Spectra pump parts. Same suction power as OEM parts. Replace Spectra Flanges, Spectra Duckbill Valves, Spectra Backflow Protectors, Spectra Tubings, Spectra Bottles (Wide Mouth). Multiple flange sizes available: 15mm, 17mm, 19mm, 21mm, 24mm, 25mm, 27mm, 28mm, 30mm, 32mm
The One-piece cap of Maymom bottle includes sealing ring for secure seal. NO waste of milkdrop. Design for travel and storage of formula or breast milk. It's also perfect to convert baby feeding bottle to snack container or tumbler for mommy
Material does NOT contain any BPA. Can be sanitized with water steam, boiling water or microwave-steam bags. Comply with FDA regulations for plastic materials that contact food
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| BB XPRESS LLC | 9.90 | ✅ | ✅ | ✅ |
CONTAINS 2 X-Small 19mm FLANGES / Breastshields. A NENESUPPLY FLANGE FOR SPECTRA S2, SPECTRA S1, AND SPECTRA 9 PLUS BREASTPUMP. Made by Nenesupply. Not Original Spectra Flanges.
THIS IS A COMPATIBLE PRODUCT MADE BY NENESUPPLY. Not Original Spectra S2 accessories.COMPATIBLE WITH SPECTRA PUMP PARTS. Compatible with Spectra valve, Spectra backflow protector, and Spectra bottle. It has same suction power as OEM parts.
COMPATIBLE WITH SPECTRA WIDE MOUTH BOTTLES, and NENESUPPLY WIDE MOUTH BOTTLES. They are NOT compatible with OTHER wide mouth bottles.
DIFFERENT FLANGE SIZES AVAILABLE: 19mm, 21mm, 24mm, 27mm, 30mm. MATERIAL DO NOT CONTAIN ANY BPA. Can be sanitized with water steam, boiling water or microwave-steam bags.
IN RETAIL PACK sealed by manufacturer. Tested by independent labs for safety.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| BB XPRESS LLC | 9.90 | ✅ | ✅ | ✅ |
NENESUPPLY COMPATIBLE FLANGES FOR SPECTRA S2, SPECTRA S1, AND SPECTRA 9 PLUS BREASTPUMP. Contains 2 Small 21mm Flanges / Breastshields. MADE by NENESUPPLY. NOT ORIGINAL SPECTRA FLANGE.
THIS IS AFTERMARKET FLANGE MADE BY NENESUPPLY. COMPATIBLE WITH OTHER SPECTRA PUMP PARTS. Compatible with Spectra S2 accessories. It has same suction power as OEM parts.
COMPATIBLE WITH SPECTRA WIDE MOUTH BOTTLES and NENESUPPLY WIDE MOUTH BOTTLES. They are NOT compatible with OTHER wide mouth bottles.
DIFFERENT FLANGE SIZE AVAILABLE: 19mm, 21mm, 24mm, 27mm, 30mm. MATERIAL DO NOT CONTAIN ANY BPA. Can be sanitized with water steam, boiling water or microwave-steam bags.
IN RETAIL PACK sealed by manufacturer. Do not contain any BPA. Tested by independent labs for safety.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| BB XPRESS LLC | 9.90 | ✅ | ✅ | ✅ |
NENESUPPLY COMPATIBLE PUMP PARTS 24mm FLANGE FOR SPECTRA S1 S2 9 PLUS BREASTPUMPS. Made by Nenesupply. Inc 2 Medium 24mm Flanges, 2 Duckbill Valves, 2 Backflow Protectors, and 2 Tubing. The flanges need to connect with WIDE MOUTH bottles.
COMPATIBLE PARTS MADE BY NENESUPPLY. Interchangeable and Compatible with Spectra flanges, S2 Accessories, backflow protectors, valves, and tubing.
COMPATIBLE WITH WIDE-MOUTH BOTTLES. Compatible with Spectra bottles and Nenesupply wide mouth bottles. DOES NOT work with OTHER WIDE NECK BOTTLES. CLOSED SYSTEM. No contact between milk and tubing.
DIFFERENT FLANGE SIZE AVAILABLE: 17mm, 19mm, 21mm, 24mm, 27mm, 30mm. Refer to size selection guide in product photo to choose the right size for you.
BPA Free. DEHP Free. Dishwasher (top rack) safe. All parts can be sterilized with water steam or boiling water. FDA compliant for food contacts. Tested by independent labs for safety.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| BB XPRESS LLC | 9.90 | ✅ | ✅ | ✅ |
NENESUPPLY COMPATIBLE PUMP PARTS 24mm FLANGE FOR SPECTRA S1 S2 9 PLUS BREASTPUMPS. Made by Nenesupply. Inc 2 Medium 24mm Flanges, 2 Duckbill Valves, 2 Backflow Protectors, 2 Bottles and 2 Tubing. The flanges need to connect with WIDE MOUTH bottles.
COMPATIBLE PARTS MADE BY NENESUPPLY. Interchangeable and Compatible with Spectra flanges, S2 Accessories, backflow protectors, valves, and tubing.
COMPATIBLE WITH WIDE-MOUTH BOTTLES. Compatible with Spectra bottles and Nenesupply wide mouth bottles. DOES NOT work with OTHER WIDE NECK BOTTLES. CLOSED SYSTEM. No contact between milk and tubing.
DIFFERENT FLANGE SIZE AVAILABLE: 17mm, 19mm, 21mm, 24mm, 27mm, 30mm. Refer to size selection guide in product photo to choose the right size for you.
BPA Free. DEHP Free. Dishwasher (top rack) safe. All parts can be sterilized with water steam or boiling water. FDA compliant for food contacts. Tested by independent labs for safety.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Mommed | 9.48 | ✅ | ✅ | ✅ |
【2 x Upgraded Wearable Breast Pump】- MomMed breast pump has 3 modes and 12 levels for better imitating the baby's sucking motion. Moms can combine different modes and levels to optimize the milk production in the most efficient and comfortable way, safe and painless. Mode selection: Massage, Suction, and Massage & Suction mixed mode.
【Anti-Leak Design】- This newer version of MomMed double-electric pump in Style has an important upgrade - It’s now a closed system and all-in-one design, meaning it’s safer and easier to clean. It is the most hygienic type of breast pump, as the barrier prevents milk leakage and reflow. Measuring correctly and choosing the right flange size help breast milk flow smoothly.
【More Invisible & Lighter】- The ergonomically designed semi-circular body fits perfectly with the breast, making MomMed portable breast pump S21 completely invisible when wearing bras. This budget-friendly portable pump can be used wirelessly and less than a pound, and you can pump while feeding your baby, driving, working, visiting friends, or eating out—you can do everything you need without letting your pumping get in the way.
【Convenient & Low Noise】- With both the LCD screen and physical buttons, the pump has a longer service life and is less likely to be damaged. Comprehensively improve your experience: Being apparent to your eyes, simple operation, and accidental touch prevention. The sound is less than 45 dB while using the wireless breast pump. Not only sleeping babies won't be disturbed but moms will avoid embarrassment when pumping in the office or on the go.
【More Accessories, More Love】- If you’ll be pumping frequently, it pays to pick a portable electronic pump that’s compatible with widely-available replacement parts. And if you have multiple pumps — say one for work and one for home — it can be more convenient to buy two of the same brand since that means the parts (like bottles and flanges) will be compatible. MomMed provides you with more replacement parts.
【More Buying Suggestions】-You get the same thing when you buy 2 1Pack breast pumps or a 2-pack pump. 2 x 1Pack Breast Pump - 2 individual packs. （Pack: 1 Quantity: 2）
【Notes】MomMed S21 breast pump includes a 27mm silicone shield and a 24mm flange. You will find them in the package you received.
【Need Other Sizes or Parts?】- MomMed offers you more choice accessories in different sizes, you can Visit MomMed Amazon Store.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| BB XPRESS LLC | 9.90 | ✅ | ✅ | ✅ |
NENESUPPLY COMPATIBLE PUMP PARTS 19mm FLANGE FOR SPECTRA S1 S2 9 PLUS BREASTPUMPS. Made by Nenesupply. Inc 2 X Small 19mm Flanges, 2 Duckbill Valves, 2 Backflow Protectors, and 2 Tubing. The flanges need to connect with WIDE MOUTH bottles.
COMPATIBLE PARTS MADE BY NENESUPPLY. Interchangeable and Compatible with Spectra flanges, S2 Accessories, backflow protectors, valves, and tubing.
COMPATIBLE WITH WIDE-MOUTH BOTTLES. Compatible with Spectra bottles and Nenesupply wide mouth bottles. DOES NOT work with OTHER WIDE NECK BOTTLES. CLOSED SYSTEM. No contact between milk and tubing.
DIFFERENT FLANGE SIZE AVAILABLE: 17mm, 19mm, 21mm, 24mm, 27mm, 30mm. Refer to size selection guide in product photo to choose the right size for you.
BPA Free. DEHP Free. Dishwasher (top rack) safe. All parts can be sterilized with water steam or boiling water. FDA compliant for food contacts. Tested by independent labs for safety.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| IdahoJones | 6.05 | ✅ | ✅ | ✅ |
Hands Freedom, At Last! Not all breastfeeding women have access to a wearable Willow or Elvie Breast Pump. But now, the Idaho Jones closed system breastmilk collector cups offer the same wearable freedom and discretion! Not to mention, a comfy flange and insert selection that fits you like a glove because they are made of silicone. Upgrade your pumping with a revolutionary breast cups milk collection kit! Idaho Jones cups are the only breast milk collection cups that won a Mom’s Choice Award.
Easy To Love: Compatible With Your Favorite Electric Breast Pump, like Spectra S1 and S2, Freemie, Baby Buddha, Liberty, Medela Freestyle Flex, Motif Luna and Evenflo Breast Pump. If yours is electric and uses the traditional breast pump flange and bottle collection, you can now switch to Idaho Jones breast milk catcher cups and enjoy a portable & hands free pump. Discover the luxury of a more customizable alternative to Freemie cups, Legendairy milk cups, Spectra Cara Cups (21mm or 24mm).
Included In Your Complete Collection Cup Set is 2 of each of the following: Collection Cups (6oz storage), 24mm Flanges, Valves, Valve Bases, Membranes, Membrane Caps; and 4 of each of Tubing Adapters A and B. Both the cup and membrane caps are plastic, while everything else is plushy-soft medical grade silicone. Can be used as Freemie compatible cups, Spectra wearable breast cups or Legendairy milk silicone collection cups. Replacement parts and accessories are available too.
Choose Your Precise Size: Every nipple is unique. That’s why it’s very important that you find your correct flange size for maximum pumping coziness and efficiency. This set of pump collection cups comes with soft 24mm flanges. Don’t worry if you need a narrower size - you can SEPARATELY buy our soft silicone inserts that reduce your 24mm flanges to 17mm, 19mm, or 21mm. For a larger nipple size, try our 27mm flanges. Find your best fit! Don’t forget to replace your parts every few months.
Empowered Pumping Starts Here: Buy our breast milk cups for bra or breast pump cups containers hands free with 100% confidence. If you run into any issues, let us know and we will solve them for you. Whether you use a Legendairy milk flange or pump a collect 28, try our legendary wearable collection cups. Because every second counts for an Empowered Pumping Mom! For a more graceful way to pump, try Idaho Jones Collection Cups now, and love pumping even more! They are also HSA FSA eligible.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Yoomon Care | 4.91 | ✅ | ✅ | ✅ |
CONTENT: Mompmuir 6 Duckbill Valves & 2 Silicone Diaphragm, fittings are universal for most wearable breast pumps on the market. NO GAPS ON ORIGINAL PUMPS. SAME SUCTION AS OEM PARTS. EASY TO INSTALL AND REMOVE.
COMPATIBLE WITH PUMPS: Momcozy / TSRETE / Wearable Breast Pumps S9 / S10 / S12 / S4DW / HAUTURE / PADRAM / LittleLucky / OMFMF / LoveOfLive / LORYHALL / MuTouJia / Befano / Kompoll / JOYSA / Bwcece / JOOYUM / HLTxia / Putybudy / Luxlady / Eulumap / Fisroa / Goldeep / Zybeauty / HAHOME / Paruu / LRKHFFD / Mumeasy and Compatible with Noasage / URMYWO / Akaho / SOPEWOD Wearable Breast Pump. Not original pump parts.
Silicone diaphragm keeps the breast pump suction strong enough and also helps the bottle stay sealed. The duckbill valve is designed to prevent backflow of breast milk. The silicone diaphragm and the duckbill valve accessory are perfectly suitable to meet your requirements when using a wearable breast pump.
BPA free, the silicone diaphragm piece and duckbill valve are made of food grade silicone which is very safe, soft and odorless so you can feel completely at ease with your baby's milk.
Wash pump parts after every use with warm soapy water and rinse well. It can be sterilized with steam, boiling water or microwave steam bag. Mompmuir is a brand that pays great attention to product quality, If you have any doubt about our products, please feel free to contact us.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Nenesupply | 5 |
| Maymom | 2 |
| Idaho Jones | 1 |
| Mommed | 1 |
| Mompmuir | 1 |
We've carried out a comprehensive analysis of 24,222 reviews on pump replacement parts, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select pump replacement parts priced around $34.79, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 10 pump replacement parts for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .
We are dedicated to assisting our users in finding the right pumps Products based on their needs, saving them considerable time when choosing which pump replacement parts to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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