---
title: "Momcozy Replacement Pump Parts — $465K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/baby-products/momcozy-replacement-pump-parts"
last_updated: "2026-08-09T14:30:55.813Z"
locale: en
meta:
description: "Niche score 55/100 · $465K/yr market · 274K searches/yr · $30.25 avg price. Soft demand (-8.8% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · $465K/yr market · 274K searches/yr · $30.25 avg price. Soft demand (-8.8% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Momcozy Replacement Pump Parts — $465K/yr Amazon US Niche (2026) - Flapen"
---
# **momcozy replacement pump parts**
**Worth a look**
Shows a sweet-spot price point ($30.25 avg), but soft demand (-8.8% this quarter) keeps it on the watch list.
Market size 58Growth 21Conversion 63Competition 49Returns 59Price range 87Avg price 95Brand share 24Review moat 65Quality gap 86
**Avg price**
**Incredible****$30.25**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.89–$73.74**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****887.08**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Good****5.6%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Good****2.7%**
return rate — above 5% kills the launch gate
**Market size**
**Good****$465K**
$465K/yr · 274K searches
**Competition**
**Okay****55%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-8.8%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, momcozy replacement pump parts is a $465K/yr Amazon United States market (274K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Oct. Verdict: Worth a look — 55/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **momcozy replacement pump parts market data**
- **Units sold / yr**
- **15K–20K**
- avg 500–750/product
- **Revenue / yr**
- **$454K–$605K**
- units × avg price
- **Conversion rate**
- **5.6%**
- **Avg BSR**
- **#70**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **88%**
- **Out of stock**
- **8.7%**
- **Avg brand age**
- **20 months**
- **Avg seller age**
- **217 days**
## **Competition & brand share**
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**9 **—flat
**Sellers**
**14**
**Top-5 brand share**
**91%**
Top 20: 100%
**Top-5 click share**
**55%**
Top 20: 94%
**Open market**
**6%**
- Momcozy43% - TOVVILD16% - APMOOM14% - IVARONAL11% - afontoto5% - Kearnybo4% - Open — no brand owns it (3 brands, 6%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -8.8% search growth over the last 90 days.
10K6KPrime Day '24Spike '24Prime Day '25Spike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Oct · busiest ÷ quietest = 2.2×
[**Open Trend **](https://flapen.com/research/us/baby-products/momcozy-replacement-pump-parts/trend)
## **Top momcozy replacement pump parts search terms**
- **momcozy m9 replacement parts**60K/yr-22.9%6.8% conv. - **momcozy replacement parts**21K/yr+101.7%3.2% conv. - **momcozy pump parts**33K/yr-2.3%6.2% conv. - **momcozy breast pump parts**34K/yr-10.9%4.1% conv. - **mom cozy pump parts**16K/yr+6.5%6.3% conv. - **mom cozy breast pump parts**13K/yr-19.5%4.5% conv. - **momcozy replacement pump parts**22K/yr-59.2%4.4% conv. - **mom cozy replacement parts**10K/yr+2.2%4.7% conv. - **momcozy breast pump replacement parts**8K/yr+5.5%5.4% conv. - **mom cozy m9 replacement parts**10K/yr-24.5%6.3% conv. [**All search terms **](https://flapen.com/research/us/baby-products/momcozy-replacement-pump-parts/search-terms)
## **Top momcozy replacement 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%5%$23K10%$46K15%$70K20%$93K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Momcozy Original Replacement Accessories for Upgraded Mobile Flow | Upgraded M9 Original Upgraded M9 Breastfeeding Parts 24mm Flange 1 Pack**Momcozy**$21.64**4.4★1,175 rev](https://www.amazon.com/dp/B0G6CQBKH7) [2**TOVVILD 12 Pack Pump Parts 8PCS Duckbill Valves 4PCS Silicone Diaphragm Compatible with Momcozy M5 Replace Mom Cozy M5 Replacement Parts**TOVVILD**$10.16**4.7★429 rev](https://www.amazon.com/dp/B0DF2WWHP3) [3**Two Complete Sets Compatible with Momcozy M5 Breast Pump Replacement Parts 24mm Collection Cup and 15/17/19/21mm 8pcs Flange Size Kit for M5 only not Other Models**APMOOM**$61.32**4.5★132 rev](https://www.amazon.com/dp/B0F5QQ5QRS) [4**1 Pack M9 Full Set Breast Replacement Part for Momcozy Upgraded Mobile Flow | Upgraded M9 Including 24mm Flange Red Valve Diaphragm Storage Bottle with Red Lip Not Original Parts 1pc 24mm Overall**IVARONAL**$36.92**2.8★304 rev](https://www.amazon.com/dp/B0FSQTP884) [5**Momcozy M5 Full Set Collector Cup Original M5 Breast Pump Replacement Accessories with Double-Sealed 24mm Flanges**Momcozy**$41.03**4.3★2,611 rev](https://www.amazon.com/dp/B0FDQXD6PT)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Momcozy Original S9 Pro/S12 Pro Replacement Accessories Only Compatible with S9 Pro/S12 Pro Breast Pump NOT for S9/S12/S12Pro-Quick (Single-Sealed Full Set Collector 24mm Flange 180ml 1 Pack)**Momcozy**$26.55**867 rev4mo ago](https://www.amazon.com/dp/B0G137VG73) [**1 Pack M9 Full Set Breast Replacement Part for Momcozy Upgraded Mobile Flow | Upgraded M9 Including 21mm Flange Red Valve Diaphragm Storage Bottle with Red Lip Not Original Parts 1pc 21mm Overall**IVARONAL**$36.63**304 rev5mo ago](https://www.amazon.com/dp/B0GJSBM5Z3) [**Momcozy Original Replacement Accessories for Upgraded Mobile Flow | Upgraded M9 Original Upgraded M9 Breastfeeding Parts 24mm Flange 1 Pack**Momcozy**$21.64**1,175 rev5mo ago](https://www.amazon.com/dp/B0G6CQBKH7) [**Tiga Replacement Bottom Tray for Momcozy Bottle Washer Compatible with KleanPal Pro Durable Base Tray Replacement Part Easy Install Baby Bottle Washer Accessory**Tiga**$37.53**45 rev7mo ago](https://www.amazon.com/dp/B0G489S5QF) [**One Complete Sets Compatible with Momcozy M5 Breast Pump Replacement Parts Collection Cup 24mm Flange Collector Duckbill Valves Diaphragm for M5 only not Other Models**APMOOM**$29.00**18 rev8mo ago](https://www.amazon.com/dp/B0G24K966J)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Momcozy Original S9 Pro/S12 Pro Replacement Accessories Only Compatible with S9 Pro/S12 Pro Breast Pump NOT for S9/S12/S12Pro-Quick (Single-Sealed Full Set Collector 24mm Flange 180ml 1 Pack)**Momcozy**$26.55**4.4★**▲ 177%**](https://www.amazon.com/dp/B0G137VG73) [**1 Pack M9 Full Set Breast Replacement Part for Momcozy Upgraded Mobile Flow | Upgraded M9 Including 21mm Flange Red Valve Diaphragm Storage Bottle with Red Lip Not Original Parts 1pc 21mm Overall**IVARONAL**$36.63**2.8★**▲ 162%**](https://www.amazon.com/dp/B0GJSBM5Z3) [**Momcozy Original Replacement Accessories for Upgraded Mobile Flow | Upgraded M9 Original Upgraded M9 Breastfeeding Parts 24mm Flange 1 Pack**Momcozy**$21.64**4.4★**▲ 158%**](https://www.amazon.com/dp/B0G6CQBKH7) [**Momcozy Original S9 Pro/S12 Pro Replacement Accessories Only Compatible with Momcozy S9 Pro/S12 Pro NOT for S9/S12/S12Pro-Quick (Double-Sealed Full Set Collector with 24mm Flange 180ml 1 Pack)**Momcozy**$31.90**4.4★**▲ 109%**](https://www.amazon.com/dp/B0CYT5FJ9Z) [**One Complete Sets Compatible with Momcozy M5 Breast Pump Replacement Parts Collection Cup 24mm Flange Collector Duckbill Valves Diaphragm for M5 only not Other Models**APMOOM**$29.00**4.1★**▲ 91%**](https://www.amazon.com/dp/B0G24K966J)
**~~View all trending →~~**
## **What buyers say about momcozy replacement pump parts**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**30%
*“True fit”*
**Quality-Overall**13%
*“Great quality and definitely fit easy into pump”*
**Compatibility-Overall**10%
*“Compatible”*
**Value For Money**8%
*“Well worth it”*
**Ease Of Cleaning**5%
*“Easy to clean”*
**Advertised Vs Actual Product**4%
*“As advertised”*
**Comfort-Overall**4%
*“still comfortable”*
**Ease Of Use**4%
*“Easy to Use”*
**Durability**3%
*“they hold up really well”*
**Leak-Proof**3%
*“I love that they dont leak”*
### **What buyers complain about **
**Durability**22%
*“Breaks easily”*
**Functionality-Overall**10%
*“Does not work well”*
**Value For Money**9%
*“just waste of money”*
**Quality-Overall**8%
*“Garbage valves”*
**Defective Material/Parts**7%
*“Part Breaks”*
**Compatibility-Overall**6%
*“These were not compatible”*
**Leak-Proof**5%
*“it leaks around the flanges”*
**Size-Overall**3%
*“hard to fit the first time”*
**Noise Level**3%
*“All I hear is bubbling”*
**Strength**2%
*“Very flimsy”*
### **Top return reasons **
**Size-Overall**30%
**Defective Material/Parts**28%
**Advertised Vs Actual Product**8%
**Functionality-Overall**7%
**Durability**4%
**Leak-Proof**4%
**Product Condition**4%
**Value For Money**3%
**Compatibility-Overall**3%
**Quality-Overall**2%
## **Common questions**
- **Is momcozy replacement pump parts profitable to sell on Amazon United States?**
- The niche generates $465K/yr across 26 tracked products. 13 of 16 products launched in the last 360 days are still selling. 90-day search growth is -8.8%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the momcozy replacement pump parts niche?**
- 9 brands and 14 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in momcozy replacement pump parts?**
- Top complaints mined from reviews: Durability, Functionality-Overall, Value For Money. The return rate is 2.7%.
- **When does demand for momcozy replacement pump parts peak?**
- Demand peaks in Oct; the busiest month runs 2.2× the quietest.
- **What does it cost to enter the momcozy replacement pump parts niche?**
- Listings span $8.89–$73.74; the average listing price is $30.25 (sweet spot $15–$100). The average incumbent carries 887 reviews — the moat a new listing must climb.
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