You’ve got the pump, but those stock parts might be holding you back. Worn valves kill suction. Cracking flanges waste milk and time. So, what actually fixes the annoyances? Start with the right duckbill valves, comfortable flange inserts, and tubing that fits securely without popping off mid session. Before you replace anything.
| Breast Pump Parts for Spectra and Motif Luna | ![]() | Best Value | Product Type: Valve, membrane, tubing, backflow protector kit | Compatible Pump Brands/Models: Spectra S1, S2, 9 Plus; Motif Luna; Ameda Mya/Mya Pro | Material: BPA-free, DEHP-free food-grade soft silicone | VIEW LATEST PRICE | Read Our Analysis |
| PUMPMOM Replacement Duckbill Valves for Spectra | ![]() | Budget-Friendly Pick | Product Type: Duckbill valves and backflow protectors | Compatible Pump Brands/Models: Spectra S1, S2, 9 Plus, SG | Material: Food-grade silicone | VIEW LATEST PRICE | Read Our Analysis |
| Lansinoh Extra Pumping Set with Breast Pump Bottles | ![]() | Best for Travel | Product Type: Full pumping set with bottles and flanges | Compatible Pump Brands/Models: Lansinoh NaturalWave and Signature Pro | Material: Not specified | VIEW LATEST PRICE | Read Our Analysis |
| PumpMom Breast Pump Parts for Spectra | ![]() | Most Complete | Product Type: Valve, membrane, tubing, backflow protector kit | Compatible Pump Brands/Models: Spectra S1, S2, S3, 9 Plus, M1 | Material: Food-grade silicone (closed system design) | VIEW LATEST PRICE | Read Our Analysis |
| S9/S12 Pro Duckbill Valve Replacement Kit (12 Pack) | ![]() | Bulk Buy | Product Type: Duckbill valves and diaphragms | Compatible Pump Brands/Models: S9, S12, S9 Pro, S12 Pro; Momcozy | Material: Food-grade silicone | VIEW LATEST PRICE | Read Our Analysis |
| Lansinoh Breast Pump Spare Parts Bundle | ![]() | Best Maintenance | Product Type: Spare parts bundle (valves, diaphragms, tubing, hoods) | Compatible Pump Brands/Models: Lansinoh Smartpump and Signature Pro | Material: Not specified | VIEW LATEST PRICE | Read Our Analysis |
| 12 Pack Pump Parts for Momcozy M5 | ![]() | Wearable Compatible | Product Type: Duckbill valves, diaphragms, and storage box | Compatible Pump Brands/Models: Momcozy M5 | Material: BPA-free food-grade silicone | VIEW LATEST PRICE | Read Our Analysis |
| Maymom Pump Parts for Spectra S1 S2 9 Plus | ![]() | Best Custom Fit | Product Type: Full kit with flanges, valves, bottles, tubing | Compatible Pump Brands/Models: Spectra S1, S2, 9 Plus | Material: BPA-free materials (FDA/EU compliant) | VIEW LATEST PRICE | Read Our Analysis |
| Spectra Breast Pump Replacement Kit (24mm) | ![]() | Most Durable | Product Type: Full replacement kit with flanges, valves, bottles | Compatible Pump Brands/Models: Spectra S1, S2, S9 Plus, Synergy Gold | Material: Imported silicone | VIEW LATEST PRICE | Read Our Analysis |
| Maymom Pump Parts Compatible with Spectra S1 S2 | ![]() | Editor’s Choice | Product Type: Duckbill valves and silicone membranes | Compatible Pump Brands/Models: Spectra S1, S2, 9 Plus, Synergy Gold, Dew 350; Ameda Mya | Material: BPA-free food-grade materials | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Breast Pump Parts for Spectra and Motif Luna
If you’re pumping with a Spectra, Motif Luna, or Ameda Mya, this kit delivers the value you’d expect from a smart upgrade. You get six duckbill valves, two silicone membranes, two tubes, and two backflow protectors. Not original parts, but they hold suction strength just as well. The Momstouch valves fit your flanges securely, no slipping. Made from BPA-free, food-grade soft silicone, so no weird odors or warping. Clean them with soapy water and your fingers, not a dishwasher, to keep the thin tips intact. This kit keeps your pump running smoothly without burning cash.
- Product Type:Valve, membrane, tubing, backflow protector kit
- Compatible Pump Brands/Models:Spectra S1, S2, 9 Plus; Motif Luna; Ameda Mya/Mya Pro
- Material:BPA-free, DEHP-free food-grade soft silicone
- Quantity/Components Included:6 duckbill valves, 2 membranes, 2 tubes, 2 backflow protectors
- Cleaning Method:Soapy water; no dishwasher; clean tips with fingers
- Original/OEM or Aftermarket:Aftermarket (not original Spectra)
- Additional Feature:6 duckbill valves included
- Additional Feature:2 backflow protectors included
- Additional Feature:Compatible with Ameda Mya
PUMPMOM Replacement Duckbill Valves for Spectra
PUMPMOM Replacement Duckbill Valves are your budget-friendly pick for Spectra pumps. You get six valves and two backflow protectors, all compatible with S1, S2, 9 Plus, and SG models. These aftermarket parts match OEM suction, so you’re not sacrificing performance.
Made from food-grade silicone, they handle boiling or steam cleaning just fine. Wash them with mild, soapy water and rinse well—skip the dishwasher and abrasive brushes; clean the delicate tips with your fingers instead. Replace them regularly for consistent suction. And remember, these aren’t original Spectra parts, but they work the same way without the premium price tag.
- Product Type:Duckbill valves and backflow protectors
- Compatible Pump Brands/Models:Spectra S1, S2, 9 Plus, SG
- Material:Food-grade silicone
- Quantity/Components Included:6 duckbill valves, 2 backflow protectors
- Cleaning Method:Soapy water or boiling/steam; no dishwasher
- Original/OEM or Aftermarket:Aftermarket (PumpMom)
- Additional Feature:Compatible with Spectra SG
- Additional Feature:Boiling water safe for cleaning
- Additional Feature:Steam cleaning compatible
Lansinoh Extra Pumping Set with Breast Pump Bottles
The Lansinoh Extra Pumping Set with Breast Pump Bottles is for moms who want a travel ready spare kit. You get two collection bottles, tubing, and their 25 mm ComfortFit flanges. Those flanges have soft, flexible rims that mold to your curves for a snug seal, making pumping efficient and less irritating. This set works perfectly with Lansinoh NaturalWave and Signature Pro double electric pumps.
Having a spare kit cuts your cleaning time in half. Stash one at work, keep another at home, and you’re always prepared. Lansinoh’s been trusted for nearly 40 years, so you know these parts deliver. Grab this set and simplify your pumping routine today!
- Product Type:Full pumping set with bottles and flanges
- Compatible Pump Brands/Models:Lansinoh NaturalWave and Signature Pro
- Material:Not specified
- Quantity/Components Included:2 bottles, tubing, 2 flanges
- Cleaning Method:Not specified
- Original/OEM or Aftermarket:OEM (Lansinoh brand)
- Additional Feature:25mm ComfortFit flanges
- Additional Feature:Complete expression kit
- Additional Feature:Climate neutral by 2030
PumpMom Breast Pump Parts for Spectra
For Spectra owners who want a full set without buying piecemeal, this kit delivers the most complete package you’ll find. You get six duckbill valves, two backflow protectors, two silicone tubing pieces, and two silicone membranes all in one go. That’s enough to keep your S1, S2, 9 Plus, or M1 running smoothly for months. The closed system design keeps milk away from your tubing, which protects your pump motor. Clean everything with soapy water and your fingers, not a brush or dishwasher. And remember, these are compatible replacements, not original Spectra parts. But they fit and function just fine.
- Product Type:Valve, membrane, tubing, backflow protector kit
- Compatible Pump Brands/Models:Spectra S1, S2, S3, 9 Plus, M1
- Material:Food-grade silicone (closed system design)
- Quantity/Components Included:6 duckbill valves, 2 backflow protectors, 2 tubes, 2 membranes
- Cleaning Method:Soapy water; no dishwasher or hard brushes
- Original/OEM or Aftermarket:Aftermarket (PumpMom)
- Additional Feature:Compatible with Spectra M1
- Additional Feature:Closed system design
- Additional Feature:Sealed retail packaging
S9/S12 Pro Duckbill Valve Replacement Kit (12 Pack)
If you’re stocking up for your S9 or S12 Pro pump, this 12 pack of duckbill valves and diaphragms is your bulk buy solution. You get enough replacements to keep your setup running smoothly for months without scrambling for spares. Made from food-grade silicone, these parts are soft, odorless, and safe for you and baby.
The diaphragms seal tight to stop leakage, while the duckbill valves let milk flow into your containers. Swap them every 2 to 3 months, or sooner if suction feels off. Cleaning is a breeze: wash with warm soapy water after each use, then sanitize by steaming, boiling, or using microwave bags.
- Product Type:Duckbill valves and diaphragms
- Compatible Pump Brands/Models:S9, S12, S9 Pro, S12 Pro; Momcozy
- Material:Food-grade silicone
- Quantity/Components Included:12 parts (diaphragms and duckbill valves)
- Cleaning Method:Warm soapy water; steam, boiling water, or microwave steam bags
- Original/OEM or Aftermarket:Aftermarket (compatible with Momcozy)
- Additional Feature:12 replacement parts total
- Additional Feature:Replace every 2-3 months
- Additional Feature:Microwave steam bag safe
Lansinoh Breast Pump Spare Parts Bundle
You own a Lansinoh double electric pump, and keeping it running smoothly is your goal. Replace worn parts before they fail, not after. This bundle includes everything you need: tubing with connector, nipple hood, diaphragms and caps, nipple collars with sealing disks, plus four duckbill valves. Swap them out regularly to maintain suction and efficiency. Lansinoh has over 40 years of experience backing mothers, and this kit extends your pump’s lifespan. It fits both Smartpump and Signature Pro models. Grab it for a hassle free, high performance pumping experience. Your pump will thank you.
- Product Type:Spare parts bundle (valves, diaphragms, tubing, hoods)
- Compatible Pump Brands/Models:Lansinoh Smartpump and Signature Pro
- Material:Not specified
- Quantity/Components Included:Tubing, nipple hood, diaphragms, caps, collars, 4 duckbill valves
- Cleaning Method:Not specified
- Original/OEM or Aftermarket:OEM (Lansinoh brand)
- Additional Feature:Includes nipple hood
- Additional Feature:Includes diaphragm caps
- Additional Feature:Includes sealing disks
12 Pack Pump Parts for Momcozy M5
The 12 Pack Pump Parts for Momcozy M5 is your go to kit for breathing new life into your wearable compatible breast pump. You get 8 duckbill valves, 4 diaphragms, and a storage box to keep everything tidy. Made from BPA free, food grade silicone, these parts are soft, odorless, and durable. They restore peak suction when your pump starts losing steam, making milk expression more efficient. Cleaning is simple: wash with warm soapy water or sterilize in boiling water (below 100°C) for 5 to 10 minutes. It’s a practical way to keep your pumping consistent without the hassle of hunting for individual replacements.
- Product Type:Duckbill valves, diaphragms, and storage box
- Compatible Pump Brands/Models:Momcozy M5
- Material:BPA-free food-grade silicone
- Quantity/Components Included:8 duckbill valves, 4 diaphragms, 1 storage box
- Cleaning Method:Warm soapy water; boiling water/steam up to 100°C for 5-10 minutes
- Original/OEM or Aftermarket:Aftermarket (for Momcozy M5)
- Additional Feature:Designed for Momcozy M5
- Additional Feature:4 diaphragms included
- Additional Feature:Storage box included
Maymom Pump Parts for Spectra S1 S2 9 Plus
Finding your perfect flange fit can feel like a puzzle, but this Maymom kit for Spectra S1, S2, and 9 Plus pumps makes customization a breeze. You get two 19mm flanges, perfect if your nipple diameter measures 17-18mm after pumping. The set includes duckbill valves, backflow protectors, tubes, and two bottles with one-piece travel caps featuring a sealing ring for zero leaks. All parts are BPA-free, FDA and Health Canada compliant. They’re interchangeable with OEM Spectra parts, delivering the same suction power. Want a different size? Maymom offers flanges from 13mm to 32mm, so you can dial in your comfort.
- Product Type:Full kit with flanges, valves, bottles, tubing
- Compatible Pump Brands/Models:Spectra S1, S2, 9 Plus
- Material:BPA-free materials (FDA/EU compliant)
- Quantity/Components Included:2 flanges (19mm), 2 valves, 2 backflow protectors, 2 tubes, 2 bottles
- Cleaning Method:Water steam, boiling water, or microwave-steam bags
- Original/OEM or Aftermarket:Aftermarket (Maymom)
- Additional Feature:19mm flange size included
- Additional Feature:One-piece travel caps
- Additional Feature:Bottles double as snack containers
Spectra Breast Pump Replacement Kit (24mm)
For moms who demand durability from their pump parts, the Spectra Breast Pump Replacement Kit (24mm) is most durable, thanks to its imported silicone construction. This kit packs everything you need: 2 flanges, 2 duckbill valves with handy pull tabs, 2 backflow protectors, 2 tubes, and 2 bottles. Sizes range from 13mm to 32mm, so you’ll nail that precise, leak-free fit. It’s compatible with Spectra S1, S2, S9 Plus, and Synergy Gold pumps plus their wide-neck bottles. Compact and travel ready, these parts slide into your diaper bag or office drawer without fuss. And since they’re high quality replacements not originals, you save money without sacrificing performance.
- Product Type:Full replacement kit with flanges, valves, bottles
- Compatible Pump Brands/Models:Spectra S1, S2, S9 Plus, Synergy Gold
- Material:Imported silicone
- Quantity/Components Included:2 flanges (24mm), 2 valves, 2 backflow protectors, 2 tubes, 2 bottles
- Cleaning Method:Not specified
- Original/OEM or Aftermarket:Aftermarket (compatible replacement)
- Additional Feature:24mm flange size included
- Additional Feature:Upgraded duckbills with pull tabs
- Additional Feature:Compatible with Synergy Gold
Maymom Pump Parts Compatible with Spectra S1 S2
If you want reliable suction without replacing your whole pump, the Maymom kit with 6 duckbill valves and 4 silicone membranes is our editor’s choice. You get enough parts for multiple sessions, and they work with Spectra S1, S2, 9 Plus, Synergy Gold, and even Ameda Mya. Just swap out your duckbill valves and membranes regularly to keep suction strong. These aren’t OEM Spectra parts, but they replicate the same power. They’re BPA free, DEHP free, and you can boil or steam them clean. One heads up: they don’t fit older Spectra backflow protectors.
- Product Type:Duckbill valves and silicone membranes
- Compatible Pump Brands/Models:Spectra S1, S2, 9 Plus, Synergy Gold, Dew 350; Ameda Mya
- Material:BPA-free food-grade materials
- Quantity/Components Included:6 duckbill valves, 4 silicone membranes
- Cleaning Method:Water steam, boiling water, or microwave-steam bags
- Original/OEM or Aftermarket:Aftermarket (Maymom)
- Additional Feature:6 duckbill valves included
- Additional Feature:4 silicone membranes included
- Additional Feature:Available in multiple colors
Factors to Consider When Choosing Parts for Breast Pump

When you’re picking replacement parts for your breast pump, compatibility with your specific model is your first and most vital check. You also need to prioritize material safety, so look for BPA-free and food-grade silicone, especially in valves and membranes. And don’t overlook suction performance consistency and ease of cleaning, because a flimsy valve or a hard-to-scrub nook can tank your pumping session fast.
Compatibility With Pump Models
Why does your breast pump suddenly lose suction or feel like it’s working harder than it should? Chances are, you’ve swapped in a part that doesn’t match your pump’s model. That’s a quick way to sabotage performance.
So, before you buy anything, check the part’s size and connection type. Flange diameter and tube connectors aren’t one size fits all. They must match your pump’s exact specifications. And don’t just assume it’ll work. Verify if the part is officially designed for your brand and series, or if it’s an aftermarket option that clearly states compatibility.
Valves, membranes, and tubing all need to fit your specific model. Ignore this, and you’ll lose suction, waste milk, and frustrate yourself. Manufacturer guidelines are your best friend here. Look them up before you click “buy.” Your pump will thank you.
Material Safety Standards
Once you’ve nailed down the compatibility with your pump model, it’s time to turn your attention to what your parts are actually made of. You want BPA-free, food-grade silicone or plastic. That’s non-negotiable for your baby’s safety. Check that materials comply with FDA, EU, or Health Canada standards. Avoid DEHP or other harmful chemicals; they can leach into your milk. Choose non-toxic, odorless components so you’re not inhaling fumes during pumping. And prioritize parts that are independently certified. That stamp means they’ve met strict hygiene regulations. You’re not just picking parts; you’re protecting your baby. So read labels carefully. It’s a small step that makes a big difference.
Valve and Membrane Quality
How do you know if a valve or membrane is actually well made? First, check the material. You want BPA-free, food-grade silicone. That’s non-negotiable for safety. Next, look for durability. Cheap parts deform quickly, losing that critical suction strength. You’ll notice your pump struggling, or worse, milk backflowing. A quality membrane stays firm, resists odor, and won’t warp even after dozens of washes. Fit matters too. A snug valve prevents leakage and keeps your pump efficient. But here’s the kicker: even the best parts wear out. You must replace them regularly to maintain that airtight seal. Don’t wait for performance to drop. Swap them out every few months for hygienic, consistent suction. It’s a small habit that saves you major frustration.
Ease of Cleaning
So you’ve got your high quality valves and membranes sorted, but there’s another factor that can make or break your daily routine: how easy those parts are to clean. You want dishwasher safe components? They save serious time and effort. Or, if you prefer hand washing, silicone parts handle warm soapy water and small brushes without damage. Look for smooth surfaces with minimal crevices. Those are a cinch to rinse clean and cut down on bacterial buildup. Also, guarantee your reusable parts play nice with sterilization methods like boiling water or steam. That keeps everything fully sanitized. And, quick disassembly matters. It speeds up cleaning and lets you spot wear and tear fast. So, prioritize parts that cooperate with your cleaning style. Your pumping routine will thank you.
Suction Performance Consistency
Because consistent suction is what turns a frustrating pump session into an efficient one, you need parts that hold a tight seal and don’t degrade over time. That means you’re choosing high quality valves and membranes first and foremost. When those tiny silicone pieces wear out, they lose their grip, and your suction power plummets. You’ll notice a slow flow or even milk backup. Annoying, right?
So, here’s your checklist:
- Check compatibility first. Mismatched parts won’t hold a proper seal, so make sure every piece fits your pump model exactly.
- Inspect valves and membranes regularly. Replace them every few months, or sooner if you see cracks or stretching.
- Keep everything clean. Milk residue can cause parts to stick or leak, messing with that essential vacuum.
Stable suction means faster, more effective pumping. Don’t let degraded parts steal that from you!
Included Component Quantity
The number of components included in a breast pump parts set can make or break your daily routine. You don’t want to scramble for a missing valve at midnight. Larger packages with extra parts, like duckbill valves or membranes, offer longer term value by cutting down on repeat purchases. Check that the specific quantities match your pump model’s requirements. For example, if your pump needs two diaphragms, don’t settle for a set with just one. Including multiple identical parts gives you spares for frequent replacements or simultaneous use. It also helps maintain performance and hygiene without premature replacements. So, look for a set that covers your needs upfront. It saves you hassle and keeps your pumping efficient.














