lansinoh pump parts
Skip itBrand-locked demand (top 5 brands take 95% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$21.97avg listing price — sweet spot $15–$100
Price range
Great$7.01–$55.20cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.7%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Okay1,993.29avg incumbent reviews — the moat a new listing must climb
Market size
Okay$181K$181K/yr · 124K searches
Returns
Okay4.1%return rate — above 5% kills the launch gate
Competition
Bad72%top-5 click share — a locked-up shelf
Growth
Bad-8.2%90-day search growth — must beat 0% to launch
Brand share
Bad95%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, lansinoh pump parts is a $181K/yr Amazon United States market (124K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Nov. Verdict: Skip it — 41/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
lansinoh pump parts market data
- Units sold / yr
- 8K–10K
- avg 500–750/product
- Revenue / yr
- $176K–$220K
- units × avg price
- Conversion rate
- 6.7%
- Avg BSR
- #124
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 64%
- Out of stock
- 2.1%
- Avg brand age
- 39 months
- Avg seller age
- 168 days
Competition & brand share
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 flat
Sellers
32
Top-5 brand share
95%
Top 20: 100%
Top-5 click share
72%
Top 20: 100%
Open market
3%
- Lansinoh57%
- IVARONAL17%
- NENESUPPLY12%
- BDICOVE5%
- Gotocut3%
- beaina3%
- Open — no brand owns it (1 brand, 3%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -8.2% search growth over the last 90 days.Peak months: Nov · busiest ÷ quietest = 1.9×
Top lansinoh pump parts search terms
- lansinoh pump parts62K/yr
- lansinoh breast pump parts17K/yr
- lansinoh replacement pump parts8K/yr
- lansinoh duckbill valve8K/yr
- lansinoh manual breast pump parts5K/yr
- lansinoh hand pump parts5K/yr
- lansinoh breast pump replacement parts4K/yr
- lansinoh replacement parts3K/yr
- duckbill valves lansinoh3K/yr
- lansinoh pump replacement parts5K/yr
Top lansinoh pump parts products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Lansinoh Breast Pump Spare Parts Bundle Includes Four Duckbill Valves and Other Replacement Parts for Lansinoh Double Electric Breast Pumps
Lansinoh$16.034.7★2,231 rev
Lansinoh Extra Pumping Set for NaturalWave and Signature Pro Breast Pumps
Lansinoh$30.794.8★3,132 rev
6PC Duckbill Valves Compatible with Lansinoh Pumps Parts and Hand Pump Replacement to Lansinoh Signature Pro Smartpump Manual Pump for lansinoh Breast Pumps Duckbill Valves Parts
IVARONAL$10.034.4★273 rev
Nenesupply 4 pc Duckbill Valves Compatible with Lansinoh Pumps Parts and Breast Pumps Replacement to Lansinoh Valves. Use with Signature Pro Smartpump Manual Pump
NENESUPPLY$9.084.8★2,985 rev
Lansinoh ComfortFit Breast Pump Flanges Size 21mm 2 Count
Lansinoh$7.754.6★3,697 rev
Newest
by launch date
Lansinoh Discreet Duo Flow Extra Pumping Set Breast Pump Replacement Parts Kit with Milk Collectors 24mm Flanges Bottles & Valves Wearable Pump Accessories BPA/BPS Free
Lansinoh$55.2023 rev
Weirical Manual Breast Pumps Parts Silicone Diaphragm&Duckbill Valve Compatible with Lansinoh Breast Pumps Replace Lansinoh Pump Parts/Accessories Use with Manual
weirical$17.7421 rev
Lansinoh DiscreetDuo Extra Pumping Set | Hands-Free Wearable Breast Pump Accessories | Portable Replacement Kit with Milk Collection Cups Flanges Valves & Bottles (Pump Not Included)
Lansinoh$40.3717 rev
Wearable Breast Pump Parts Include Duckbill Valve Silicone Diaphragm 24mm Flange Milk Collector Cup Compatible with Lansinoh Discreet Duo Mammanuwa Nuliie S32 Breast Pump 2 Sets
beaina$33.7152 rev
Nenesupply 6 pc Compatible Duckbill Valves for Lansinoh Signature Pro Smartpump and Manul Breast Pumps. Not Original Lansinoh Pump Parts. (6pc)
NENESUPPLY$10.072,985 rev
Trending
90-day click momentumLansinoh Discreet Duo Flow Extra Pumping Set Breast Pump Replacement Parts Kit with Milk Collectors 24mm Flanges Bottles & Valves Wearable Pump Accessories BPA/BPS Free
Lansinoh$55.204.9★
Lansinoh DiscreetDuo Extra Pumping Set | Hands-Free Wearable Breast Pump Accessories | Portable Replacement Kit with Milk Collection Cups Flanges Valves & Bottles (Pump Not Included)
Lansinoh$40.374.0★
Weirical Manual Breast Pumps Parts Silicone Diaphragm&Duckbill Valve Compatible with Lansinoh Breast Pumps Replace Lansinoh Pump Parts/Accessories Use with Manual
weirical$17.744.0★
Lansinoh ComfortFit Breast Pump Flanges Size 21mm 2 Count
Lansinoh$7.754.6★
2PC Duckbill Valves Compatible with Lansinoh Pumps Parts and Hand Pump Replacement to Lansinoh Signature Pro Smartpump Manual Pump for lansinoh Breast Pumps Duckbill Valves Parts
IVARONAL$7.014.4★
What buyers say about lansinoh pump parts
What buyers praise and complain about, mined from review topics.What buyers love
“The fit was comfortable enough for regular use”
“Convenient Pumping Set for Daily Use”
“Good quality”
“The pump is easy to take apart and clean”
“As described”
“comfortable too”
“Great product for great price”
“if it ever breaks i will buy this exact same one cause i love it”
“Ive had zero issues with the compatibility”
“doesnt leak”
What buyers complain about
“The plastic cups dont work properly”
“Leaking seal”
“Not true to size”
“SUPER noisy”
“Expensive for what it is”
“Quality of the duckbills is just bad”
“Does not match up to the pumps”
“Cleaning pump parts is the worst”
“Faulty parts”
“1 month of use”
Top return reasons
Common questions
- Is lansinoh pump parts profitable to sell on Amazon United States?
- The niche generates $181K/yr across 14 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -8.2%. Flapen's verdict: Skip it (41/100).
- How competitive is the lansinoh pump parts niche?
- 7 brands and 32 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 95% of demand.
- What do buyers complain about in lansinoh pump parts?
- Top complaints mined from reviews: Functionality-Overall, Leak-Proof, Size-Overall. The return rate is 4.1%.
- When does demand for lansinoh pump parts peak?
- Demand peaks in Nov; the busiest month runs 1.9× the quietest.
- What does it cost to enter the lansinoh pump parts niche?
- Listings span $7.01–$55.20; the average listing price is $21.97 (sweet spot $15–$100). The average incumbent carries 1,993 reviews — the moat a new listing must climb.