---
title: "Lansinoh Pump Parts — $181K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/baby-products/lansinoh-pump-parts"
last_updated: "2026-08-09T15:17:41.455Z"
locale: en
meta:
description: "Niche score 41/100 · $181K/yr market · 124K searches/yr · $21.97 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · $181K/yr market · 124K searches/yr · $21.97 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Lansinoh Pump Parts — $181K/yr Amazon US Niche (2026) - Flapen"
---
# **lansinoh pump parts**
**Skip it**
Brand-locked demand (top 5 brands take 95% of clicks) — this niche doesn't clear our bar today.
Market size 37Growth 21Conversion 72Competition 24Returns 36Price range 82Avg price 92Brand share 14Review moat 45Quality gap 58
**Avg price**
**Great****$21.97**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$7.01–$55.20**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****6.7%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****1,993.29**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$181K**
$181K/yr · 124K searches
**Returns**
**Okay****4.1%**
return rate — above 5% kills the launch gate
**Competition**
**Bad****72%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-8.2%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****95%**
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 ~~](https://flapen.com/research/methodology)
## **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.
7K5KSpike '24Prime Day '25 seasonSepDecMarJunAugNovMarMay
Peak months: Nov · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/baby-products/lansinoh-pump-parts/trend)
## **Top lansinoh pump parts search terms**
- **lansinoh pump parts**62K/yr-7.8%5.9% conv. - **lansinoh breast pump parts**17K/yr-18.2%5.0% conv. - **lansinoh replacement pump parts**8K/yr+4.8%6.8% conv. - **lansinoh duckbill valve**8K/yr-15.6%11.3% conv. - **lansinoh manual breast pump parts**5K/yr+14.9%6.6% conv. - **lansinoh hand pump parts**5K/yr-16.9%8.4% conv. - **lansinoh breast pump replacement parts**4K/yr+15.2%5.4% conv. - **lansinoh replacement parts**3K/yr+8.8%3.9% conv. - **duckbill valves lansinoh**3K/yr-10.3%8.5% conv. - **lansinoh pump replacement parts**5K/yr-39.6%6.6% conv. [**All search terms **](https://flapen.com/research/us/baby-products/lansinoh-pump-parts/search-terms)
## **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.
0%10%$18K20%$36K30%$54K40%$72K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Lansinoh Breast Pump Spare Parts Bundle Includes Four Duckbill Valves and Other Replacement Parts for Lansinoh Double Electric Breast Pumps**Lansinoh**$16.03**4.7★2,231 rev](https://www.amazon.com/dp/B08LY7QYSH) [2**Lansinoh Extra Pumping Set for NaturalWave and Signature Pro Breast Pumps**Lansinoh**$30.79**4.8★3,132 rev](https://www.amazon.com/dp/B00HPQT2RO) [3**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**$10.03**4.4★273 rev](https://www.amazon.com/dp/B0DN15CGM8) [4**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**$9.08**4.8★2,985 rev](https://www.amazon.com/dp/B084RJ991P) [5**Lansinoh ComfortFit Breast Pump Flanges Size 21mm 2 Count**Lansinoh**$7.75**4.6★3,697 rev](https://www.amazon.com/dp/B093G3TRSW)
**~~View all top sellers →~~**
### **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**$55.20**23 rev3mo ago](https://www.amazon.com/dp/B0GWW6PCHJ) [**Weirical Manual Breast Pumps Parts Silicone Diaphragm&Duckbill Valve Compatible with Lansinoh Breast Pumps Replace Lansinoh Pump Parts/Accessories Use with Manual**weirical**$17.74**21 rev10mo ago](https://www.amazon.com/dp/B0FPQK8LDQ) [**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**$40.37**17 rev1y ago](https://www.amazon.com/dp/B0FH5MDSWJ) [**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**$33.71**52 rev1y ago](https://www.amazon.com/dp/B0FB46SW9Y) [**Nenesupply 6 pc Compatible Duckbill Valves for Lansinoh Signature Pro Smartpump and Manul Breast Pumps. Not Original Lansinoh Pump Parts. (6pc)**NENESUPPLY**$10.07**2,985 rev1y ago](https://www.amazon.com/dp/B0DZ2CJZWC)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$55.20**4.9★**▲ 313%**](https://www.amazon.com/dp/B0GWW6PCHJ) [**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**$40.37**4.0★**▲ 212%**](https://www.amazon.com/dp/B0FH5MDSWJ) [**Weirical Manual Breast Pumps Parts Silicone Diaphragm&Duckbill Valve Compatible with Lansinoh Breast Pumps Replace Lansinoh Pump Parts/Accessories Use with Manual**weirical**$17.74**4.0★**▲ 56%**](https://www.amazon.com/dp/B0FPQK8LDQ) [**Lansinoh ComfortFit Breast Pump Flanges Size 21mm 2 Count**Lansinoh**$7.75**4.6★**▲ 38%**](https://www.amazon.com/dp/B093G3TRSW) [**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**$7.01**4.4★**▲ 35%**](https://www.amazon.com/dp/B0DN148M8G)
**~~View all trending →~~**
## **What buyers say about lansinoh pump parts**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**17%
*“The fit was comfortable enough for regular use”*
**Ease Of Use**12%
*“Convenient Pumping Set for Daily Use”*
**Quality-Overall**12%
*“Good quality”*
**Ease Of Cleaning**11%
*“The pump is easy to take apart and clean”*
**Advertised Vs Actual Product**6%
*“As described”*
**Comfort-Overall**5%
*“comfortable too”*
**Value For Money**5%
*“Great product for great price”*
**Durability**4%
*“if it ever breaks i will buy this exact same one cause i love it”*
**Compatibility-Overall**3%
*“Ive had zero issues with the compatibility”*
**Leak-Proof**3%
*“doesnt leak”*
### **What buyers complain about **
**Functionality-Overall**17%
*“The plastic cups dont work properly”*
**Leak-Proof**13%
*“Leaking seal”*
**Size-Overall**12%
*“Not true to size”*
**Noise Level**7%
*“SUPER noisy”*
**Value For Money**6%
*“Expensive for what it is”*
**Quality-Overall**5%
*“Quality of the duckbills is just bad”*
**Compatibility-Overall**4%
*“Does not match up to the pumps”*
**Ease Of Cleaning**4%
*“Cleaning pump parts is the worst”*
**Defective Material/Parts**4%
*“Faulty parts”*
**Durability**4%
*“1 month of use”*
### **Top return reasons **
**Size-Overall**35%
**Functionality-Overall**21%
**Defective Material/Parts**9%
**Advertised Vs Actual Product**8%
**Compatibility-Overall**4%
**Value For Money**4%
**Leak-Proof**3%
**Breastfeeding Friendly**2%
**Handle Quality**2%
**Comfort-Overall**2%
## **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.
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