---
title: "momcozy m5 replacement parts — Niche Verdict: Skip it (48/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/baby-products/momcozy-m5-replacement-parts"
last_updated: "2026-07-14T01:10:30.686Z"
locale: en
meta:
  description: "brand-locked demand (top 5 brands take 97% of clicks) — momcozy m5 replacement parts doesn't clear our bar today."
  "og:description": "brand-locked demand (top 5 brands take 97% of clicks) — momcozy m5 replacement parts doesn't clear our bar today."
  "og:title": "momcozy m5 replacement parts — Niche Verdict: Skip it (48/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **momcozy m5 replacement parts**

**Skip it**

Brand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.

Market size 58Growth 18Conversion 79Competition 23Returns 75Price range 83Avg price 95Brand share 7Review moat 66Quality gap 52

**Avg price**

**Incredible****$28.00**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$7.11–$61.32**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Conversion**

**Great****7.9%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Great****2.0%**

return rate — above 6% kills the launch gate

**Review moat**

**Good****844.73**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Good****$469K**

$469K/yr · 212K searches

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Competition**

**Bad****73%**

top-5 click share — a locked-up shelf

**Growth**

**Bad****-14.3%**

90-day search growth — must beat 0% to launch

**Brand share**

**Bad****97%**

top-5 brand share — brand-locked demand

## **Competition**

The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**6 **▼falling

**Sellers**

**11**

**Top-5 brand share**

**97%**

**Open market**

**0%**

- Momcozy36% - APMOOM30% - Hranio11% - afontoto10% - TOVVILD10% - Realtrip3%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$47K20%$94K30%$141K40%$188K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 11 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Momcozy M5 Full Set Collector Cup Original M5 Breast Pump Replacement Accessories with Double-Sealed 24mm Flanges](https://m.media-amazon.com/images/I/31K3HkrCp9L.jpg)**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) [2![Two Complete Sets Compatible with Momcozy M5 Breast Pump Replacement Parts 27mm Collection Cup and 15/17/19/21mm 8pcs Flange Size Kit for M5 only not Other Models](https://m.media-amazon.com/images/I/31nXKlkT1ML.jpg)**Two Complete Sets Compatible with Momcozy M5 Breast Pump Replacement Parts 27mm Collection Cup and 15/17/19/21mm 8pcs Flange Size Kit for M5 only not Other Models**APMOOM**$58.90**4.4★52 rev](https://www.amazon.com/dp/B0F5P51DZ9) [3![Hranio 12PCS Breast Pump Parts Duckbill Valves Compatible with Momcozy m5 Replacement Parts Momcozy Breast Pump Accessories Mom Cozy m5 Replacement Parts 8PCS Duckbill Valves 4PCS Silicone Diaphragm](https://m.media-amazon.com/images/I/31pjPYvPahL.jpg)**Hranio 12PCS Breast Pump Parts Duckbill Valves Compatible with Momcozy m5 Replacement Parts Momcozy Breast Pump Accessories Mom Cozy m5 Replacement Parts 8PCS Duckbill Valves 4PCS Silicone Diaphragm**Hranio**$10.14**4.6★130 rev](https://www.amazon.com/dp/B0DYJN8FPR) [4![TOVVILD 12 Pack Pump Parts 8PCS Duckbill Valves 4PCS Silicone Diaphragm Compatible with Momcozy M5 Replace Mom Cozy M5 Replacement Parts](https://m.media-amazon.com/images/I/41+TE1qH5GL.jpg)**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) [5![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](https://m.media-amazon.com/images/I/31Ppq3RcbXL.jpg)**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)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![18-Pack (2 Complete Sets) Breast Pump Replacement Parts for Momcozy M5 24mm Double-Sealed Flanges + 15/17/19/21mm Inserts Duckbill Valves Diaphragms Milk Cups Cleaning Brushes BPA Free](https://m.media-amazon.com/images/I/41UPDy0rCvL.jpg)**18-Pack (2 Complete Sets) Breast Pump Replacement Parts for Momcozy M5 24mm Double-Sealed Flanges + 15/17/19/21mm Inserts Duckbill Valves Diaphragms Milk Cups Cleaning Brushes BPA Free**Realtrip**$53.00**12 rev5mo ago](https://www.amazon.com/dp/B0GHM2NW5Y) [![10PCS Pump Parts Compatible with Momcozy M5 Wearable Breastpump Prevent Leaks Silicone Spout Cap Fit for M5 Pumps Dustproof Keep Clean Spout Cover Breast Pump Replacement Parts Pink](https://m.media-amazon.com/images/I/31l56hIvEAL.jpg)**10PCS Pump Parts Compatible with Momcozy M5 Wearable Breastpump Prevent Leaks Silicone Spout Cap Fit for M5 Pumps Dustproof Keep Clean Spout Cover Breast Pump Replacement Parts Pink**afontoto**$7.11**118 rev7mo ago](https://www.amazon.com/dp/B0G3FNLYSG) [![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](https://m.media-amazon.com/images/I/31KNF70s7fL.jpg)**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) [![Momcozy M5 Duckbill Valves. Original M5 Breast Pump Replacement Accessories 4 PCS](https://m.media-amazon.com/images/I/31himDEUXcL.jpg)**Momcozy M5 Duckbill Valves. Original M5 Breast Pump Replacement Accessories 4 PCS**Momcozy**$13.57**2,611 rev10mo ago](https://www.amazon.com/dp/B0FCXW5M7M) [![Momcozy M5 Milk Collector Original M5 Breast Pump Replacement Accessories 1 Pack](https://m.media-amazon.com/images/I/31Rj5s8edKL.jpg)**Momcozy M5 Milk Collector Original M5 Breast Pump Replacement Accessories 1 Pack**Momcozy**$14.92**2,611 rev11mo ago](https://www.amazon.com/dp/B0FDQSZGQ2)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![18-Pack (2 Complete Sets) Breast Pump Replacement Parts for Momcozy M5 24mm Double-Sealed Flanges + 15/17/19/21mm Inserts Duckbill Valves Diaphragms Milk Cups Cleaning Brushes BPA Free](https://m.media-amazon.com/images/I/41UPDy0rCvL.jpg)**18-Pack (2 Complete Sets) Breast Pump Replacement Parts for Momcozy M5 24mm Double-Sealed Flanges + 15/17/19/21mm Inserts Duckbill Valves Diaphragms Milk Cups Cleaning Brushes BPA Free**Realtrip**$53.00**4.8★**▲ 244%**](https://www.amazon.com/dp/B0GHM2NW5Y) [![Momcozy M5 Full Set Collector Cup Original M5 Breast Pump Replacement Accessories with Double-Sealed 24mm Flanges](https://m.media-amazon.com/images/I/31K3HkrCp9L.jpg)**Momcozy M5 Full Set Collector Cup Original M5 Breast Pump Replacement Accessories with Double-Sealed 24mm Flanges**Momcozy**$41.03**4.3★**▲ 62%**](https://www.amazon.com/dp/B0FDQXD6PT) [![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](https://m.media-amazon.com/images/I/31KNF70s7fL.jpg)**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★**▲ 55%**](https://www.amazon.com/dp/B0G24K966J) [![Momcozy M5 Duckbill Valves. Original M5 Breast Pump Replacement Accessories 4 PCS](https://m.media-amazon.com/images/I/31himDEUXcL.jpg)**Momcozy M5 Duckbill Valves. Original M5 Breast Pump Replacement Accessories 4 PCS**Momcozy**$13.57**4.3★**▲ 38%**](https://www.amazon.com/dp/B0FCXW5M7M) [![Two Complete Sets Compatible with Momcozy M5 Breast Pump Replacement Parts 27mm Collection Cup and 15/17/19/21mm 8pcs Flange Size Kit for M5 only not Other Models](https://m.media-amazon.com/images/I/31nXKlkT1ML.jpg)**Two Complete Sets Compatible with Momcozy M5 Breast Pump Replacement Parts 27mm Collection Cup and 15/17/19/21mm 8pcs Flange Size Kit for M5 only not Other Models**APMOOM**$58.90**4.4★**— 6%**](https://www.amazon.com/dp/B0F5P51DZ9)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -14.3% search growth over the last 90 days.

5K3KSpike '24Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Size-Overall**33%

*“They fit perfectly”*

**Value For Money**11%

*“Great value”*

**Compatibility-Overall**9%

*“Cheaper than the brand and very compatible”*

**Leak-Proof**9%

*“preventing messy leaks while on the go”*

**Quality-Overall**7%

*“Perfect Replacements; Just Like the Originals”*

**Advertised Vs Actual Product**5%

*“As advertised”*

**Ease Of Cleaning**5%

*“Easy to clean”*

**Durability**3%

*“durable”*

**Ease Of Use**3%

*“Handy to have”*

**Comfort-Overall**3%

*“It truly makes the process of pumping simple and comfortable”*

### **What buyers complain about **

**Leak-Proof**21%

*“Leaks”*

**Value For Money**8%

*“I wish they weren't so dang expensive”*

**Size-Overall**7%

*“hard to fit the first time”*

**Advertised Vs Actual Product**6%

*“it does not live up to the description”*

**Quality-Overall**6%

*“They feel cheaply made”*

**Ease Of Use**5%

*“Super inconvenient and frustrating”*

**Product Condition**4%

*“I received a used pump”*

**Strength**4%

*“the duckbills are slightly loose”*

**Locking Mechanism**4%

*“Poor seal”*

**Defective Material/Parts**4%

*“Parts mismatched my pump. Momcozy m5-”*

### **Top return reasons **

**Size-Overall**29%

**Advertised Vs Actual Product**15%

**Defective Material/Parts**14%

**Leak-Proof**8%

**Functionality-Overall**7%

**Value For Money**6%

**Product Condition**6%

**Compatibility-Overall**4%

**Breastfeeding Friendly**2%

**Quality-Overall**2%