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.

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.

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

Great4.1★

avg incumbent rating — lower means beatable quality

Review moat

Good887.08

avg incumbent reviews — the moat a new listing must climb

Conversion

Good5.6%

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

Returns

Good2.7%

return rate — above 5% kills the launch gate

Market size

Good$465K

$465K/yr · 274K searches

Competition

Okay55%

top-5 click share — leaders hold, buyers still browse

Brand share

Bad91%

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

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

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

55%

Top 20: 94%

Open market

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.

Peak months: Oct · busiest ÷ quietest = 2.2×

Open Trend

Top momcozy replacement pump parts search terms

momcozy m9 replacement parts60K/yr -22.9%6.8% conv.
momcozy replacement parts21K/yr +101.7%3.2% conv.
momcozy pump parts33K/yr -2.3%6.2% conv.
momcozy breast pump parts34K/yr -10.9%4.1% conv.
mom cozy pump parts16K/yr +6.5%6.3% conv.
mom cozy breast pump parts13K/yr -19.5%4.5% conv.
momcozy replacement pump parts22K/yr -59.2%4.4% conv.
mom cozy replacement parts10K/yr +2.2%4.7% conv.
momcozy breast pump replacement parts8K/yr +5.5%5.4% conv.
mom cozy m9 replacement parts10K/yr -24.5%6.3% conv.

All 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.

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

Momcozy Original Replacement Accessories for Upgraded Mobile Flow | Upgraded M9 Original Upgraded M9 Breastfeeding Parts 24mm Flange 1 Pack

Momcozy$21.644.4★1,175 rev

TOVVILD 12 Pack Pump Parts 8PCS Duckbill Valves 4PCS Silicone Diaphragm Compatible with Momcozy M5 Replace Mom Cozy M5 Replacement Parts

TOVVILD$10.164.7★429 rev

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$61.324.5★132 rev

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$36.922.8★304 rev

Momcozy M5 Full Set Collector Cup Original M5 Breast Pump Replacement Accessories with Double-Sealed 24mm Flanges

Momcozy$41.034.3★2,611 rev

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$26.55867 rev

4mo ago

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$36.63304 rev

5mo ago

Momcozy Original Replacement Accessories for Upgraded Mobile Flow | Upgraded M9 Original Upgraded M9 Breastfeeding Parts 24mm Flange 1 Pack

Momcozy$21.641,175 rev

5mo ago

Tiga Replacement Bottom Tray for Momcozy Bottle Washer Compatible with KleanPal Pro Durable Base Tray Replacement Part Easy Install Baby Bottle Washer Accessory

Tiga$37.5345 rev

7mo ago

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$29.0018 rev

8mo ago

What buyers say about momcozy replacement pump parts

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

What buyers love

Size-Overall30%

“True fit”

Quality-Overall13%

“Great quality and definitely fit easy into pump”

Compatibility-Overall10%

“Compatible”

Value For Money8%

“Well worth it”

Ease Of Cleaning5%

“Easy to clean”

Advertised Vs Actual Product4%

“As advertised”

Comfort-Overall4%

“still comfortable”

Ease Of Use4%

“Easy to Use”

Durability3%

“they hold up really well”

Leak-Proof3%

“I love that they dont leak”

What buyers complain about

Durability22%

“Breaks easily”

Functionality-Overall10%

“Does not work well”

Value For Money9%

“just waste of money”

Quality-Overall8%

“Garbage valves”

Defective Material/Parts7%

“Part Breaks”

Compatibility-Overall6%

“These were not compatible”

Leak-Proof5%

“it leaks around the flanges”

Size-Overall3%

“hard to fit the first time”

Noise Level3%

“All I hear is bubbling”

Strength2%

“Very flimsy”

Top return reasons

Size-Overall30%

Defective Material/Parts28%

Advertised Vs Actual Product8%

Functionality-Overall7%

Durability4%

Leak-Proof4%

Product Condition4%

Value For Money3%

Compatibility-Overall3%

Quality-Overall2%

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.