---
title: "Rp25513 — $56K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/rp25513"
last_updated: "2026-08-08T16:08:01.697Z"
locale: en
meta:
description: "Niche score 40/100 · $56K/yr market · 27K searches/yr · $17.65 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · $56K/yr market · 27K searches/yr · $17.65 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Rp25513 — $56K/yr Amazon US Niche (2026) - Flapen"
---
# **rp25513**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 14Growth 29Conversion 94Competition 9Returns 54Price range 68Avg price 82Brand share 0Review moat 75Quality gap 60
**Conversion**
**Great****11.7%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$17.65**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****495.4**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****$9.99–$25.76**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Returns**
**Good****2.8%**
return rate — above 5% kills the launch gate
**Growth**
**Okay****+2.9%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$56K**
$56K/yr · 27K searches
**Competition**
**Bad****89%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, rp25513 is a $56K/yr Amazon United States market (27K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 40/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **rp25513 market data**
- **Units sold / yr**
- **5K–6K**
- avg 750–1,000/product
- **Revenue / yr**
- **$88K–$106K**
- units × avg price
- **Conversion rate**
- **11.7%**
- **Avg BSR**
- **#20**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **90%**
- **Out of stock**
- **14.3%**
- **Avg brand age**
- **21 months**
- **Avg seller age**
- **186 days**
## **Competition & brand share**
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **—flat
**Sellers**
**15**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**89%**
Top 20: 100%
**Open market**
**0%**
- REHUH55% - DELTA37% - snigrl5% - Coolfell2% - Ftzynqur2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +2.9% search growth over the last 90 days.
600400Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/rp25513/trend)
## **Top rp25513 search terms**
- **rp25513**10K/yr+4.2%10.6% conv. - **delta rp25513**11K/yr+5.0%12.6% conv. - **rp25513 delta faucet cartridge**5K/yr-4.1%14.1% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/rp25513/search-terms)
## **Top rp25513 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%$6K20%$11K30%$17K40%$22K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**DELTA FAUCET RP25513 Stem Assembly One Size**DELTA**$17.14**4.7★1,339 rev](https://www.amazon.com/dp/B001D0N63Y) [2**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) [3**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) [4**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**RP25513 faucet stem assembly Replacement Kit for two handle faucet repair kit Includes RP4993 Seats and Springs 4 Pack**REHUH**$19.33**4.5★145 rev](https://www.amazon.com/dp/B0BWN7G52X)
**~~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**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**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**Coolfell**$25.76**70 rev7mo ago](https://www.amazon.com/dp/B0GCTGLYDN) [**RP25513 Faucet Stem Assembly for Delta Two Handle Faucet Cartridge Repair Kit with RP24096 Cartridge RP4993 Seat and Spring RP24097 Turn stop1/4 4pack**snigrl**$14.91**50 rev10mo ago](https://www.amazon.com/dp/B0FQ61LLB5) [**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**708 rev2y ago](https://www.amazon.com/dp/B0CFHY8BYH)
**~~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**snigrl**$9.99**4.3★**▲ 275%**](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**Coolfell**$25.76**4.2★**▲ 220%**](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**Ftzynqur**$14.88**3.8★**▲ 192%**](https://www.amazon.com/dp/B0GLD1JB2G) [**RP25513 Faucet Stem Assembly for Delta Two Handle Faucet Cartridge Repair Kit with RP24096 Cartridge RP4993 Seat and Spring RP24097 Turn stop1/4 4pack**snigrl**$14.91**4.3★**▲ 51%**](https://www.amazon.com/dp/B0FQ61LLB5) [**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★**▲ 38%**](https://www.amazon.com/dp/B0C5VX37Z4)
**~~View all trending →~~**
## **What buyers say about rp25513**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**17%
*“Fit was as advertised”*
**Assembly/Installation**14%
*“Easy install”*
**Leak-Proof**13%
*“they dont leak”*
**Value For Money**12%
*“Great Value”*
**Quality-Overall**8%
*“Great product exactly as described”*
**Ease Of Use**4%
*“easy”*
**Maintenance And Repair**4%
*“Nice repair kit”*
**Efficiency**4%
*“Works Great”*
**Advertised Vs Actual Product**3%
*“Worked as advertised”*
**Strength**2%
*“Sturdy”*
### **What buyers complain about **
**Leak-Proof**28%
*“Leaks”*
**Quality-Overall**4%
*“Terrible junk”*
**Size-Overall**4%
*“Didn't fit my faucets”*
**Assembly/Installation**4%
*“The nut that retains the whole assembly to the faucet will not start”*
**Durability**3%
*“I'm not sure how long they will last”*
**Compatibility-Overall**3%
*“May not fit even though it is for a Delta faucet”*
**Value For Money**2%
*“Sometimes the price difference is so extreme that I take chances”*
**Instructions/User Manual/Troubleshooting**2%
*“HOWEVER, the instructions were totally inadequate”*
**Spray/Flow**2%
*“on like the third turn it would not shut off flow”*
**Functionality-Overall**2%
*“Didnt work”*
### **Top return reasons **
**Size-Overall**53%
**Defective Material/Parts**10%
**Compatibility-Overall**10%
**Leak-Proof**9%
**Functionality-Overall**5%
**Assembly/Installation**4%
**Advertised Vs Actual Product**2%
**Value For Money**1%
**Maintenance And Repair**1%
**Mechanism Issues**1%
## **Common questions**
- **Is rp25513 profitable to sell on Amazon United States?**
- The niche generates $56K/yr across 10 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +2.9%. Flapen's verdict: Skip it (40/100).
- **How competitive is the rp25513 niche?**
- 5 brands and 15 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in rp25513?**
- Top complaints mined from reviews: Leak-Proof, Quality-Overall, Size-Overall. The return rate is 2.8%.
- **When does demand for rp25513 peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the rp25513 niche?**
- Listings span $9.99–$25.76; the average listing price is $17.65 (sweet spot $15–$100). The average incumbent carries 495 reviews — the moat a new listing must climb.
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