---
title: "spectra pump parts — Niche Verdict: Worth a look (53&#x2F;100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/baby-products/spectra-pump-parts"
last_updated: "2026-07-14T02:19:24.629Z"
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meta:
  description: "spectra pump parts shows a $3.1M/yr market, but brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list."
  "og:description": "spectra pump parts shows a $3.1M/yr market, but brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list."
  "og:title": "spectra pump parts — Niche Verdict: Worth a look (53/100) | Amazon United States - Flapen"
---

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# **spectra pump parts**

**Worth a look**

Shows a $3.1M/yr market, but brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list.

Market size 96Growth 23Conversion 77Competition 36Returns 52Price range 87Avg price 95Brand share 20Review moat 42Quality gap 32

**Market size**

**Incredible****$3.1M**

$3.1M/yr · 1.7M searches

**Avg price**

**Incredible****$23.85**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$9.36–$68.52**

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

**Conversion**

**Great****7.5%**

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

**Returns**

**Good****2.9%**

return rate — above 6% kills the launch gate

**Review moat**

**Okay****2,286.35**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Okay****63%**

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

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-3.9%**

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

**Brand share**

**Bad****92%**

top-5 brand share — brand-locked demand

## **Competition**

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**8 **▲rising

**Sellers**

**14**

**Top-5 brand share**

**92%**

**Open market**

**2%**

- Maymom27% - PUMPMOM-US27% - Momstouch16% - SPECTRA14% - afontoto9% - MilkFlow6% - Open — no brand owns it (2 brands, 2%)

## **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%$310K20%$620K30%$930K40%$1.2M101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 20 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![PumpMom-us Breast Pump Parts for Spectra Replace Duckbill Valves Tubes Backflow Protector Membrane for Spectra S1 S2 9 Plus Breastpumps](https://m.media-amazon.com/images/I/41w7ET0yKJL.jpg)**PumpMom-us Breast Pump Parts for Spectra Replace Duckbill Valves Tubes Backflow Protector Membrane for Spectra S1 S2 9 Plus Breastpumps**PUMPMOM-US**$16.64**4.7★1,109 rev](https://www.amazon.com/dp/B0CSYR8JG2) [2![Maymom Pump Parts Compatible with Spectra S2 S1 Replacement Kit for Spectra Pump Parts 24 mm Flange Duckbill Valve Tube Bottle Backflow Protector Not Original S2 S1 Accessories](https://m.media-amazon.com/images/I/41Nfo-bQwSL.jpg)**Maymom Pump Parts Compatible with Spectra S2 S1 Replacement Kit for Spectra Pump Parts 24 mm Flange Duckbill Valve Tube Bottle Backflow Protector Not Original S2 S1 Accessories**Maymom**$32.53**4.6★9,124 rev](https://www.amazon.com/dp/B07LBD522D) [3![Spectra - Premium Breast Milk Pump Accessory Kit with Baby Bottles - Medium 24mm - Breast Pump Accessories - 2 Pack](https://m.media-amazon.com/images/I/31-lrP4IoxL.jpg)**Spectra - Premium Breast Milk Pump Accessory Kit with Baby Bottles - Medium 24mm - Breast Pump Accessories - 2 Pack**SPECTRA**$68.52**4.7★2,293 rev](https://www.amazon.com/dp/B0F67M541P) [4![Momstouch Pump Parts Compatible with Spectra S1/S2/9 Plus Not Original Accessories Full Set Replacements Include 24mm Flange Duckbill Valve Backflow Protector Tubing and Bottle](https://m.media-amazon.com/images/I/41krv777IjL.jpg)**Momstouch Pump Parts Compatible with Spectra S1/S2/9 Plus Not Original Accessories Full Set Replacements Include 24mm Flange Duckbill Valve Backflow Protector Tubing and Bottle**Momstouch**$29.05**4.6★405 rev](https://www.amazon.com/dp/B0D4767DVB) [5![Breast Pump Parts Compatible with Spectra S1 S2 S9 Plus Replacement Kit for Spectra Pump Parts 2PCS Duckbill Valve Tube Bottle Backflow Protector Not Original Accessorie 24mm](https://m.media-amazon.com/images/I/51vxRpUNdKL.jpg)**Breast Pump Parts Compatible with Spectra S1 S2 S9 Plus Replacement Kit for Spectra Pump Parts 2PCS Duckbill Valve Tube Bottle Backflow Protector Not Original Accessorie 24mm**MilkFlow**$20.04**4.4★378 rev](https://www.amazon.com/dp/B0FF2CR7TB)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Momstouch Breast Pump Parts for Spectra and Motif Luna Replacement backflow Protectors Membrane Duckbill Valve Tube for Spectra S1 S2 9 Plus SG Pumps Not Original Spectral Replacement Pump Parts.](https://m.media-amazon.com/images/I/41azsgqDeFL.jpg)**Momstouch Breast Pump Parts for Spectra and Motif Luna Replacement backflow Protectors Membrane Duckbill Valve Tube for Spectra S1 S2 9 Plus SG Pumps Not Original Spectral Replacement Pump Parts.**Momstouch**$16.04**31 rev5mo ago](https://www.amazon.com/dp/B0FNK588RW) [![Spectra Replacement Pump Parts Compatible with S1/S2/9 Plus Not Original Accessories Spectra Duckbill Valves Backflow Protectors (Diaphragm Included) Tubings (14Pack)](https://m.media-amazon.com/images/I/31hsTHiLheL.jpg)**Spectra Replacement Pump Parts Compatible with S1/S2/9 Plus Not Original Accessories Spectra Duckbill Valves Backflow Protectors (Diaphragm Included) Tubings (14Pack)**CubCare**$9.36**57 rev7mo ago](https://www.amazon.com/dp/B0G5WR9YYL) [![Breast Pump Accessories Compatible with Spectra S1 S2 S9 Plus Replacement Pump Parts 2 Sets with 24mm Flanges Spectra 10oz Bottles Duckbill Valves Tubing Backflow Protectors Not Original](https://m.media-amazon.com/images/I/41M6h3e0-YL.jpg)**Breast Pump Accessories Compatible with Spectra S1 S2 S9 Plus Replacement Pump Parts 2 Sets with 24mm Flanges Spectra 10oz Bottles Duckbill Valves Tubing Backflow Protectors Not Original**afontoto**$19.91**72 rev8mo ago](https://www.amazon.com/dp/B0FY61V8JT) [![Momstouch Pump Parts Compatible with Spectra S1/S2/9 Plus Not Original Accessories Full Set Replacements Include 18mm Flanges Duckbill Valves Backflow Protectors Tubings and Bottles](https://m.media-amazon.com/images/I/41ZZV6WG+6L.jpg)**Momstouch Pump Parts Compatible with Spectra S1/S2/9 Plus Not Original Accessories Full Set Replacements Include 18mm Flanges Duckbill Valves Backflow Protectors Tubings and Bottles**Momstouch**$29.70**405 rev10mo ago](https://www.amazon.com/dp/B0FFZZRTZP) [![Breast Pump Parts Compatible with Spectra S1 S2 S9 Plus Replacement Kit for Spectra Pump Parts 2PCS Duckbill Valve Tube Bottle Backflow Protector Not Original Accessorie 24mm](https://m.media-amazon.com/images/I/51vxRpUNdKL.jpg)**Breast Pump Parts Compatible with Spectra S1 S2 S9 Plus Replacement Kit for Spectra Pump Parts 2PCS Duckbill Valve Tube Bottle Backflow Protector Not Original Accessorie 24mm**MilkFlow**$20.04**378 rev1y ago](https://www.amazon.com/dp/B0FF2CR7TB)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Momstouch Breast Pump Parts for Spectra and Motif Luna Replacement backflow Protectors Membrane Duckbill Valve Tube for Spectra S1 S2 9 Plus SG Pumps Not Original Spectral Replacement Pump Parts.](https://m.media-amazon.com/images/I/41azsgqDeFL.jpg)**Momstouch Breast Pump Parts for Spectra and Motif Luna Replacement backflow Protectors Membrane Duckbill Valve Tube for Spectra S1 S2 9 Plus SG Pumps Not Original Spectral Replacement Pump Parts.**Momstouch**$16.04**4.5★**▲ 235%**](https://www.amazon.com/dp/B0FNK588RW) [![Spectra - Premium Breast Milk Pump Accessory Kit with Baby Bottles - Medium 24mm - Breast Pump Accessories - 2 Pack](https://m.media-amazon.com/images/I/31-lrP4IoxL.jpg)**Spectra - Premium Breast Milk Pump Accessory Kit with Baby Bottles - Medium 24mm - Breast Pump Accessories - 2 Pack**SPECTRA**$68.52**4.7★**▲ 229%**](https://www.amazon.com/dp/B0F67M541P) [![Spectra Replacement Pump Parts Compatible with S1/S2/9 Plus Not Original Accessories Spectra Duckbill Valves Backflow Protectors (Diaphragm Included) Tubings (14Pack)](https://m.media-amazon.com/images/I/31hsTHiLheL.jpg)**Spectra Replacement Pump Parts Compatible with S1/S2/9 Plus Not Original Accessories Spectra Duckbill Valves Backflow Protectors (Diaphragm Included) Tubings (14Pack)**CubCare**$9.36**4.2★**▲ 221%**](https://www.amazon.com/dp/B0G5WR9YYL) [![Momstouch Pump Parts Compatible with Spectra S1/S2/9 Plus Not Original Accessories Full Set Replacements Include 20mm Flange Duckbill Valve Backflow Protector Tubing and Bottle](https://m.media-amazon.com/images/I/41BcuT1McDL.jpg)**Momstouch Pump Parts Compatible with Spectra S1/S2/9 Plus Not Original Accessories Full Set Replacements Include 20mm Flange Duckbill Valve Backflow Protector Tubing and Bottle**Momstouch**$29.59**4.6★**▲ 186%**](https://www.amazon.com/dp/B0D477BMDH) [![Breast Pump Accessories Compatible with Spectra S1 S2 S9 Plus Replacement Pump Parts 2 Sets with 24mm Flanges Spectra 10oz Bottles Duckbill Valves Tubing Backflow Protectors Not Original](https://m.media-amazon.com/images/I/41M6h3e0-YL.jpg)**Breast Pump Accessories Compatible with Spectra S1 S2 S9 Plus Replacement Pump Parts 2 Sets with 24mm Flanges Spectra 10oz Bottles Duckbill Valves Tubing Backflow Protectors Not Original**afontoto**$19.91**4.6★**▲ 147%**](https://www.amazon.com/dp/B0FY61V8JT)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -3.9% search growth over the last 90 days.

45K35KSpike '25Prime 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 **

**Compatibility-Overall**19%

*“Compatible, affordable”*

**Size-Overall**17%

*“Good fit”*

**Value For Money**16%

*“Great Price”*

**Quality-Overall**15%

*“Good quality”*

**Advertised Vs Actual Product**5%

*“Worked perfectly”*

**Ease Of Cleaning**4%

*“Easy to clean”*

**Leak-Proof**2%

*“I haven't had any leaking issues after a month of daily use”*

**Comfort-Overall**2%

*“They are comfortable”*

**Ease Of Use**2%

*“Made life easier”*

**Breastfeeding Friendly**2%

*“Good parts of breastfeeding machine”*

### **What buyers complain about **

**Size-Overall**18%

*“The tubing is short”*

**Leak-Proof**13%

*“Leaking”*

**Quality-Overall**10%

*“These pumping parts are not good quality”*

**Durability**7%

*“Breaks easily”*

**Functionality-Overall**7%

*“Did not work”*

**Defective Material/Parts**5%

*“Its like the parts dont actually go together”*

**Product Condition**5%

*“USED WHEN RECEIVED”*

**Advertised Vs Actual Product**4%

*“NOT the same bottles”*

**Strength**3%

*“Very flimsy”*

**Compatibility-Overall**2%

*“Parts are Not Compatible”*

### **Top return reasons **

**Size-Overall**59%

**Defective Material/Parts**10%

**Advertised Vs Actual Product**5%

**Functionality-Overall**5%

**Value For Money**3%

**Leak-Proof**2%

**Product Condition**2%

**Compatibility-Overall**2%

**Quality-Overall**2%

**Breastfeeding Friendly**2%