---
title: "Delta Shower Cartridge — $669K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/delta-shower-cartridge"
last_updated: "2026-08-08T23:28:16.523Z"
locale: en
meta:
description: "Niche score 46/100 · $669K/yr market · 271K searches/yr · $29.99 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $669K/yr market · 271K searches/yr · $29.99 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Delta Shower Cartridge — $669K/yr Amazon US Niche (2026) - Flapen"
---
# **delta shower cartridge**
**Skip it**
Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Market size 67Growth 19Conversion 80Competition 20Returns 15Price range 95Avg price 95Brand share 5Review moat 71Quality gap 70
**Avg price**
**Incredible****$29.99**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$15.29–$56.91**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****8.2%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****666.85**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****$669K**
$669K/yr · 271K searches
**Competition**
**Bad****76%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-13.0%**
90-day search growth — must beat 0% to launch
**Returns**
**Bad****7.7%**
return rate — above 5% kills the launch gate
**Brand share**
**Bad****98%**
top-5 brand share — brand-locked demand
**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 shower cartridge is a $669K/yr Amazon United States market (271K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Feb. Verdict: Skip it — 46/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **delta shower cartridge market data**
- **Units sold / yr**
- **20K–25K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$600K–$750K**
- units × avg price
- **Conversion rate**
- **8.2%**
- **Avg BSR**
- **#64**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **92%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **28 months**
- **Avg seller age**
- **152 days**
## **Competition & brand share**
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▼falling
**Sellers**
**54**
**Top-5 brand share**
**98%**
Top 20: 100%
**Top-5 click share**
**76%**
Top 20: 100%
**Open market**
**0%**
- Sxtrrdnary52% - DELTA26% - LOWCUS13% - DSWJZDW5% - TOVEN-RV2% - Dreyoo2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -13.0% search growth over the last 90 days.
7K5KSpike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Feb · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/delta-shower-cartridge/trend)
## **Top delta shower cartridge search terms**
- **delta shower cartridge**86K/yr-26.7%6.4% conv. - **delta shower cartridge replacement**33K/yr-4.8%5.8% conv. - **delta cartridge replacement**34K/yr-15.4%4.4% conv. - **delta cartridge**20K/yr+19.7%5.9% conv. - **delta monitor shower cartridge**22K/yr-7.6%8.3% conv. - **delta shower valve cartridge**18K/yr+0.0%4.7% conv. - **delta monitor cartridge**9K/yr+4.6%4.9% conv. - **delta shower faucet cartridge**9K/yr-23.0%5.4% conv. - **delta type p shower cartridge**5K/yr+8.8%7.2% conv. - **delta shower cartridges**4K/yr+10.7%3.5% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/delta-shower-cartridge/search-terms)
## **Top delta shower 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%$67K20%$134K30%$201K40%$267K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**RP46074 Compatible with Delta 13/14 Series Bath Tub Shower Faucet Single Handle Universal MultiChoice Rough-in Valve Monitor Cartridge Repair Assembly Plumbing Parts**Sxtrrdnary**$19.16**4.4★510 rev](https://www.amazon.com/dp/B0DF7VLR8K) [2**Delta Faucet RP46074 TUB SHOWER CARTRIDGE 1 White**DELTA**$55.62**4.5★2,369 rev](https://www.amazon.com/dp/B001DU57R2) [3**RP19804 Shower Cartridge Compatible with Delta 1300/1400 Series Single Handle Tub Bathtub Shower Faucet Replacement for Delta Monitor Cartridge Repair Plumbing Parts RP22734 Bonnet Nut (1993-2007)**Sxtrrdnary**$20.90**4.2★345 rev](https://www.amazon.com/dp/B0DH3DRZN8) [4**RP46074 Compatible with Delta 13/14 Series Bath Tub Shower Faucet Single Handle Universal MultiChoice Rough-in Valve Monitor Cartridge Repair Assembly Plumbing Parts with RP22734 Bonnet Nut**Sxtrrdnary**$21.27**4.5★198 rev](https://www.amazon.com/dp/B0DH3DK1GZ) [5**Delta Faucet RP19804 1300/1400 Series Catridge Assembly Small**DELTA**$55.56**4.5★1,820 rev](https://www.amazon.com/dp/B00JSUKIZU)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**LOWCUS Shower Cartridge Replacement for Delta RP19804 (04/2006 Earlier) 1-Pack Fits Delta Monitor 1300 1400 Series Single Handle Fix Leak or Drip Temperature or Pressure Issues Includes Bonnet Nut**LOWCUS**$21.45**251 rev10mo ago](https://www.amazon.com/dp/B0FQJ7FGNT) [**LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 1-Pack Compatible with Delta 13 14 Series Single Handle Includes Bonnet Nut Fix Leak or Drip Temperature or Pressure Issues**LOWCUS**$21.78**251 rev10mo ago](https://www.amazon.com/dp/B0FQHXC1WY) [**RP46074 Compatible with Delta 13/14 Series Bath Tub Shower Faucet Single Handle Universal MultiChoice Rough-in Valve Monitor Cartridge Repair Assembly Plumbing Parts**Sxtrrdnary**$19.16**510 rev1y ago](https://www.amazon.com/dp/B0DF7VLR8K) [**RP19804 Shower Cartridge Compatible with Delta 1300/1400 Series Single Handle Tub Bathtub Shower Faucet Replacement for Delta Monitor Cartridge Repair Plumbing Parts RP22734 Bonnet Nut (1993-2007)**Sxtrrdnary**$20.90**345 rev1y ago](https://www.amazon.com/dp/B0DH3DRZN8) [**RP46074 Compatible with Delta 13/14 Series Bath Tub Shower Faucet Single Handle Universal MultiChoice Rough-in Valve Monitor Cartridge Repair Assembly Plumbing Parts with RP22734 Bonnet Nut**Sxtrrdnary**$21.27**198 rev1y ago](https://www.amazon.com/dp/B0DH3DK1GZ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**LOWCUS Shower Cartridge Replacement for Delta RP19804 (04/2006 Earlier) 1-Pack Fits Delta Monitor 1300 1400 Series Single Handle Fix Leak or Drip Temperature or Pressure Issues Includes Bonnet Nut**LOWCUS**$21.45**4.2★**▲ 197%**](https://www.amazon.com/dp/B0FQJ7FGNT) [**LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 1-Pack Compatible with Delta 13 14 Series Single Handle Includes Bonnet Nut Fix Leak or Drip Temperature or Pressure Issues**LOWCUS**$21.78**4.2★**▲ 64%**](https://www.amazon.com/dp/B0FQHXC1WY) [**Delta Faucet RP46074 TUB SHOWER CARTRIDGE 1 White**DELTA**$55.62**4.5★**▲ 22%**](https://www.amazon.com/dp/B001DU57R2) [**Delta Faucet RP19804 1300/1400 Series Catridge Assembly Small**DELTA**$55.56**4.5★**▲ 15%**](https://www.amazon.com/dp/B00JSUKIZU) [**RP46074 Compatible with Delta 13/14 Series Bath Tub Shower Faucet Single Handle Universal MultiChoice Rough-in Valve Monitor Cartridge Repair Assembly Plumbing Parts with RP22734 Bonnet Nut**Sxtrrdnary**$21.27**4.5★**— 3%**](https://www.amazon.com/dp/B0DH3DK1GZ)
**~~View all trending →~~**
## **What buyers say about delta shower cartridge**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**22%
*“Direct fit”*
**Leak-Proof**14%
*“No leaks”*
**Value For Money**12%
*“Good deal”*
**Advertised Vs Actual Product**11%
*“works as advertised”*
**Quality-Overall**11%
*“Best priced quality product”*
**Assembly/Installation**10%
*“Installing it was surprisingly smooth”*
**Efficiency**4%
*“Valve is working good”*
**Ease Of Use**2%
*“Easy peasy”*
**Pressure**2%
*“Pressure is stronger”*
**Durability**1%
*“It does feel durable”*
### **What buyers complain about **
**Leak-Proof**19%
*“then started leaking badly”*
**Size-Overall**13%
*“Didn't fit”*
**Quality-Overall**9%
*“This product is low quality”*
**Durability**8%
*“Easily broken”*
**Assembly/Installation**5%
*“Hardest part about the install is getting the large nut off the housing”*
**Value For Money**5%
*“Nothings inexpensive anymore”*
**Functionality-Overall**5%
*“This thing does not function as well as the original”*
**Product Condition**3%
*“It appears this was returned and then resold”*
**Ease Of Use**2%
*“Had problems with it”*
**Spray/Flow**2%
*“The water pressure is significantly worse”*
### **Top return reasons **
**Size-Overall**56%
**Compatibility-Overall**14%
**Defective Material/Parts**6%
**Leak-Proof**5%
**Functionality-Overall**4%
**Advertised Vs Actual Product**4%
**Assembly/Installation**3%
**Product Condition**2%
**Value For Money**2%
**Maintenance And Repair**1%
## **Common questions**
- **Is delta shower cartridge profitable to sell on Amazon United States?**
- The niche generates $669K/yr across 13 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -13.0%. Flapen's verdict: Skip it (46/100).
- **How competitive is the delta shower cartridge niche?**
- 6 brands and 54 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in delta shower cartridge?**
- Top complaints mined from reviews: Leak-Proof, Size-Overall, Quality-Overall. The return rate is 7.7% — above our launch gate.
- **When does demand for delta shower cartridge peak?**
- Demand peaks in Feb; the busiest month runs 1.5× the quietest.
- **What does it cost to enter the delta shower cartridge niche?**
- Listings span $15.29–$56.91; the average listing price is $29.99 (sweet spot $15–$100). The average incumbent carries 667 reviews — the moat a new listing must climb.
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