---
title: "Delta Faucet Cartridge — $93K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/delta-faucet-cartridge"
last_updated: "2026-08-08T22:45:51.060Z"
locale: en
meta:
  description: "Niche score 40/100 · $93K/yr market · 65K searches/yr · $22.49 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 40/100 · $93K/yr market · 65K searches/yr · $22.49 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Delta Faucet Cartridge — $93K/yr Amazon US Niche (2026) - Flapen"
---

# **delta faucet cartridge**

**Skip it**

Soft demand (-14.5% this quarter) — this niche doesn't clear our bar today.

Market size 23Growth 18Conversion 69Competition 23Returns 22Price range 86Avg price 94Brand share 21Review moat 68Quality gap 70

**Avg price**

**Great****$22.49**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$9.68–$55.62**

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

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Good****6.3%**

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

**Review moat**

**Good****798.56**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Bad****$93K**

$93K/yr · 65K searches

**Competition**

**Bad****72%**

top-5 click share — a locked-up shelf

**Returns**

**Bad****5.9%**

return rate — above 5% kills the launch gate

**Brand share**

**Bad****91%**

top-5 brand share — brand-locked demand

**Growth**

**Bad****-14.5%**

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

**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")

According to Flapen's Amazon United States niche tracking, delta faucet cartridge is a $93K/yr Amazon United States market (65K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 40/100.

Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **delta faucet cartridge market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**5K–6K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$112K–$135K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**6.3%**</dd>

<dt>**Avg BSR**</dt><dd>**#40**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**83%**</dd>

<dt>**Out of stock**</dt><dd>**10.0%**</dd>

<dt>**Avg brand age**</dt><dd>**27 months**</dd>

<dt>**Avg seller age**</dt><dd>**162 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**10 **▲rising

**Sellers**

**55**

**Top-5 brand share**

**91%**

Top 20: 100%

**Top-5 click share**

**72%**

Top 20: 100%

**Open market**

**6%**

- REHUH53% - DELTA16% - NIDIOCIP14% - Sxtrrdnary5% - Coolfell4% - Ftzynqur2% - Open — no brand owns it (4 brands, 6%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -14.5% search growth over the last 90 days.

5K3KSpike '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan, Dec · busiest ÷ quietest = 3.3×

[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/delta-faucet-cartridge/trend)

## **Top delta faucet cartridge search terms**

- **delta faucet cartridge**41K/yr-12.0%5.8% conv. - **delta faucet cartridge replacement**12K/yr-0.8%4.3% conv. - **delta bathroom faucet cartridge**7K/yr-23.8%7.8% conv. - **delta faucet stem replacement**3K/yr-26.1%6.2% conv. - **delta faucet cartridges**3K/yr-51.5%4.0% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/delta-faucet-cartridge/search-terms)

## **Top delta faucet cartridge 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%$9K20%$19K30%$28K40%$37K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 18 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![RP25513 faucet stem assembly Replacement Kit for two handle faucet repair kit with RP24096 Cartridge RP4993 Seats Springs RP24097 1/4 Turn stop 2 Pack](https://m.media-amazon.com/images/I/41mprBJYJFL.jpg)**RP25513 faucet stem assembly Replacement Kit for two handle faucet repair kit with RP24096 Cartridge RP4993 Seats Springs RP24097 1/4 Turn stop 2 Pack**REHUH**$14.22**4.5★1,122 rev](https://www.amazon.com/dp/B0BWJCT4HV) [2![RP25513 Faucet Stem Replacement for Delta two handle Faucet Repair Kit with RP24096 cartridge RP4993 Seat and Spring RP24097 Turn stop1/4 2 pack](https://m.media-amazon.com/images/I/41GReyqX5uL.jpg)**RP25513 Faucet Stem Replacement for Delta two handle Faucet Repair Kit with RP24096 cartridge RP4993 Seat and Spring RP24097 Turn stop1/4 2 pack**REHUH**$15.31**4.6★708 rev](https://www.amazon.com/dp/B0CFHY8BYH) [3![RP50587 Cartridge Valve Replacement for RP50587 Delta Cartridge Compatible with DST Single Handle Kitchen and Lavatory Faucets - Includes Allen Wrench for Easy Installation](https://m.media-amazon.com/images/I/41id7on+XiL.jpg)**RP50587 Cartridge Valve Replacement for RP50587 Delta Cartridge Compatible with DST Single Handle Kitchen and Lavatory Faucets - Includes Allen Wrench for Easy Installation**NIDIOCIP**$19.21**4.6★313 rev](https://www.amazon.com/dp/B0DWMC6XSK) [4![RP25513 Faucet Stem replacement for Delta two handle faucet repair kit with RP24096 Cartridge RP4993 Seat and Spring RP24097 Turn stop1/4 4pack](https://m.media-amazon.com/images/I/41633zKwiLL.jpg)**RP25513 Faucet Stem replacement for Delta two handle faucet repair kit with RP24096 Cartridge RP4993 Seat and Spring RP24097 Turn stop1/4 4pack**REHUH**$24.80**4.5★1,122 rev](https://www.amazon.com/dp/B0C5VX37Z4) [5![DELTA FAUCET RP25513 Stem Assembly One Size](https://m.media-amazon.com/images/I/31Iast3oHTL.jpg)**DELTA FAUCET RP25513 Stem Assembly One Size**DELTA**$17.14**4.7★1,339 rev](https://www.amazon.com/dp/B001D0N63Y)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![2 Pack RP25513 Faucet Stem Replacement for Delta Faucet Cartridge Repair Kit Compatible with RP24096 Faucet Cartridge with RP4993 Seat and Spring](https://m.media-amazon.com/images/I/415s1y7DvgL.jpg)**2 Pack RP25513 Faucet Stem Replacement for Delta Faucet Cartridge Repair Kit Compatible with RP24096 Faucet Cartridge with RP4993 Seat and Spring**snigrl**$9.99**50 rev4mo ago](https://www.amazon.com/dp/B0GT6432FP) [![RP25513 Faucet Stem Replacement for Delta two handle Faucet Repair Kit Includes RP24096 Cartridge RP4993 Seat and Spring RP24097 Turn stop1/4 4 pack](https://m.media-amazon.com/images/I/41YXJie-oeL.jpg)**RP25513 Faucet Stem Replacement for Delta two handle Faucet Repair Kit Includes RP24096 Cartridge RP4993 Seat and Spring RP24097 Turn stop1/4 4 pack**Ftzynqur**$14.88**54 rev5mo ago](https://www.amazon.com/dp/B0GLD1JB2G) [![8 Pack RP25513 Faucet Stem Replacement Compatible with Delta Two Handle Faucet and RP24096 Faucet Cartridge Faucet Repair Kit with RP24097 Turn Stop 1/4 and 8 RP4993 Seat and Spring](https://m.media-amazon.com/images/I/41ETbWrNhIL.jpg)**8 Pack RP25513 Faucet Stem Replacement Compatible with Delta Two Handle Faucet and RP24096 Faucet Cartridge Faucet Repair Kit with RP24097 Turn Stop 1/4 and 8 RP4993 Seat and Spring**Coolfell**$25.76**70 rev7mo ago](https://www.amazon.com/dp/B0GCTGLYDN) [![2 Pack RP25513 Faucet Stem Replacement Compatible with Delta Two Handle Faucet and RP24096 Faucet Cartridge Repair Kit with RP24097 Turn Stop 1/4 and 2 RP4993 Seat and Spring](https://m.media-amazon.com/images/I/41elI6XsZFL.jpg)**2 Pack RP25513 Faucet Stem Replacement Compatible with Delta Two Handle Faucet and RP24096 Faucet Cartridge Repair Kit with RP24097 Turn Stop 1/4 and 2 RP4993 Seat and Spring**Coolfell**$11.78**70 rev7mo ago](https://www.amazon.com/dp/B0GCSR58BV) [![Yejesiy 2 Pack RP25513 Faucet Stem Replacement Kit for Delta Two-Handle Faucets Premium Faucet Cartridge Assembly Including RP4993 Rubber Seats and Compression Springs](https://m.media-amazon.com/images/I/41JL9O3A50L.jpg)**Yejesiy 2 Pack RP25513 Faucet Stem Replacement Kit for Delta Two-Handle Faucets Premium Faucet Cartridge Assembly Including RP4993 Rubber Seats and Compression Springs**Yejesiy**$9.68**48 rev7mo ago](https://www.amazon.com/dp/B0G6D44TCP)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![2 Pack RP25513 Faucet Stem Replacement for Delta Faucet Cartridge Repair Kit Compatible with RP24096 Faucet Cartridge with RP4993 Seat and Spring](https://m.media-amazon.com/images/I/415s1y7DvgL.jpg)**2 Pack RP25513 Faucet Stem Replacement for Delta Faucet Cartridge Repair Kit Compatible with RP24096 Faucet Cartridge with RP4993 Seat and Spring**snigrl**$9.99**4.3★**▲ 303%**](https://www.amazon.com/dp/B0GT6432FP) [![8 Pack RP25513 Faucet Stem Replacement Compatible with Delta Two Handle Faucet and RP24096 Faucet Cartridge Faucet Repair Kit with RP24097 Turn Stop 1/4 and 8 RP4993 Seat and Spring](https://m.media-amazon.com/images/I/41ETbWrNhIL.jpg)**8 Pack RP25513 Faucet Stem Replacement Compatible with Delta Two Handle Faucet and RP24096 Faucet Cartridge Faucet Repair Kit with RP24097 Turn Stop 1/4 and 8 RP4993 Seat and Spring**Coolfell**$25.76**4.2★**▲ 226%**](https://www.amazon.com/dp/B0GCTGLYDN) [![RP25513 Faucet Stem Replacement for Delta two handle Faucet Repair Kit Includes RP24096 Cartridge RP4993 Seat and Spring RP24097 Turn stop1/4 4 pack](https://m.media-amazon.com/images/I/41YXJie-oeL.jpg)**RP25513 Faucet Stem Replacement for Delta two handle Faucet Repair Kit Includes RP24096 Cartridge RP4993 Seat and Spring RP24097 Turn stop1/4 4 pack**Ftzynqur**$14.88**3.8★**▲ 175%**](https://www.amazon.com/dp/B0GLD1JB2G) [![2 Pack RP25513 Faucet Stem Replacement Compatible with Delta Two Handle Faucet and RP24096 Faucet Cartridge Repair Kit with RP24097 Turn Stop 1/4 and 2 RP4993 Seat and Spring](https://m.media-amazon.com/images/I/41elI6XsZFL.jpg)**2 Pack RP25513 Faucet Stem Replacement Compatible with Delta Two Handle Faucet and RP24096 Faucet Cartridge Repair Kit with RP24097 Turn Stop 1/4 and 2 RP4993 Seat and Spring**Coolfell**$11.78**4.2★**▲ 115%**](https://www.amazon.com/dp/B0GCSR58BV) [![RP50587 Delta Faucet Cartridge Replacement for DST Single Handle Kitchen and Lavatory Sink Faucets Repair Parts Compatible with Delta RP50587 Cartridge Valve w/ RP51503 Bonnet Nut](https://m.media-amazon.com/images/I/41rdsCPYgnL.jpg)**RP50587 Delta Faucet Cartridge Replacement for DST Single Handle Kitchen and Lavatory Sink Faucets Repair Parts Compatible with Delta RP50587 Cartridge Valve w/ RP51503 Bonnet Nut**SOASEMBE**$21.56**3.6★**▲ 115%**](https://www.amazon.com/dp/B0G4W73L7K)

**~~View all trending →~~**

## **What buyers say about delta faucet cartridge**

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

### **What buyers love **

**Size-Overall**17%

*“Fit was as advertised”*

**Assembly/Installation**15%

*“Ease of installation”*

**Leak-Proof**11%

*“they dont leak”*

**Value For Money**11%

*“For the price”*

**Quality-Overall**10%

*“Good product, happy with purchase”*

**Advertised Vs Actual Product**7%

*“Worked as advertised”*

**Ease Of Use**5%

*“Super easy”*

**Efficiency**4%

*“Valve is working good”*

**Maintenance And Repair**3%

*“Nice repair kit”*

**Durability**2%

*“It is durable”*

### **What buyers complain about **

**Leak-Proof**26%

*“Both leak”*

**Size-Overall**10%

*“Didn't fit”*

**Quality-Overall**8%

*“This product is low quality”*

**Durability**5%

*“Easily broken”*

**Assembly/Installation**4%

*“Not sure if the problem was the installation or the product”*

**Functionality-Overall**4%

*“Didnt work for my faucet”*

**Value For Money**2%

*“more expensive”*

**Compatibility-Overall**2%

*“May not fit even though it is for a Delta faucet”*

**Instructions/User Manual/Troubleshooting**2%

*“Limited instructions”*

**Spray/Flow**2%

*“This one feels like I have less control over water flow”*

### **Top return reasons **

**Size-Overall**55%

**Compatibility-Overall**14%

**Defective Material/Parts**9%

**Leak-Proof**6%

**Functionality-Overall**4%

**Advertised Vs Actual Product**3%

**Assembly/Installation**3%

**Value For Money**2%

**Product Condition**1%

**Maintenance And Repair**1%

## **Common questions**

<dl>

<dt>**Is delta faucet cartridge profitable to sell on Amazon United States?**</dt><dd>The niche generates $93K/yr across 18 tracked products. 2 of 6 products launched in the last 360 days are still selling. 90-day search growth is -14.5%. Flapen's verdict: Skip it (40/100).</dd>

<dt>**How competitive is the delta faucet cartridge niche?**</dt><dd>10 brands and 55 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 91% of demand.</dd>

<dt>**What do buyers complain about in delta faucet cartridge?**</dt><dd>Top complaints mined from reviews: Leak-Proof, Size-Overall, Quality-Overall. The return rate is 5.9% — above our launch gate.</dd>

<dt>**When does demand for delta faucet cartridge peak?**</dt><dd>Demand peaks in Jan–Dec; the busiest month runs 3.3× the quietest.</dd>

<dt>**What does it cost to enter the delta faucet cartridge niche?**</dt><dd>Listings span $9.68–$55.62; the average listing price is $22.49 (sweet spot $15–$100). The average incumbent carries 799 reviews — the moat a new listing must climb.</dd>

</dl>

## **Related niches in Tools & Home Improvement**

- 73 [**solar outdoor lights**](https://flapen.com/research/us/tools-home-improvement/solar-outdoor-lights)$30.2M/yr+39.8%**Launch it**- 73 [**shower lamp**](https://flapen.com/research/us/tools-home-improvement/shower-lamp)$2.8M/yr+30.2%**Launch it**- 73 [**solar flowers**](https://flapen.com/research/us/tools-home-improvement/solar-flowers)$607K/yr+52.0%**Worth a look**- 73 [**american flag lights**](https://flapen.com/research/us/tools-home-improvement/american-flag-lights)$465K/yr+736.5%**Worth a look**- 73 [**solar fairy lights**](https://flapen.com/research/us/tools-home-improvement/solar-fairy-lights)$3.5M/yr+64.6%**Launch it**- 73 [**solar watering can with cascading lights**](https://flapen.com/research/us/tools-home-improvement/solar-watering-can-with-cascading-lights)$304K/yr+124.3%**Worth a look**[**All Tools & Home Improvement niches **](https://flapen.com/research/us/tools-home-improvement)