rp32104
Skip itA concentrated shelf (top 5 take 95% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible14.7%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$27.43avg listing price — sweet spot $15–$100
Price range
Incredible$21.05–$56.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great190.86avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Growth
Bad-8.7%90-day search growth — must beat 0% to launch
Returns
Bad7.0%return rate — above 5% kills the launch gate
Brand share
Bad95%top-5 brand share — brand-locked demand
Market size
Bad$44K$44K/yr · 11K searches
Competition
Bad95%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, rp32104 is a $44K/yr Amazon United States market (11K searches/yr). The top 5 brands hold 95% of demand. Verdict: Skip it — 39/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
rp32104 market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $41K–$55K
- units × avg price
- Conversion rate
- 14.7%
- Avg BSR
- #193
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 86%
- Out of stock
- 0.0%
- Avg brand age
- 41 months
- Avg seller age
- 164 days
Competition & brand share
The top 5 products capture 95% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
25
Top-5 brand share
95%
Top 20: 100%
Top-5 click share
95%
Top 20: 100%
Open market
3%
- DELTA35%
- Miory29%
- BOSRUIDA15%
- Vayolli8%
- RILDWO7%
- TOVEN-RV3%
- Open — no brand owns it (1 brand, 3%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -8.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top rp32104 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.
All 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Delta Faucet RP32104 Monitor 17 Series Cartridge Assembly
DELTA$56.914.7★1,064 rev
RP32104 Shower Cartridge Compatible with Delta Monitor 1700 series(1998-2005) Showers Easy to Install rp32104 Cartridge Replacement Including the RP32104 Cartridge and Parts
Miory$22.384.2★110 rev
RP32104 Shower Cartridge Compatible With Delta 1700Series Faucet Cartridge
BOSRUIDA$22.634.9★18 rev
RP32104 Shower Cartridge Compatible with Delta Monitor 1700 series (1998-2005) Cartridge for delta Monitor Shower Cartridge for Tub/Shower Faucet Valve
Vayolli$23.934.4★42 rev
RILDWO RP32104 Shower Cartridge Replacement Compatible with Delta Monitor 1700/1800 Series (1998-2005) Dual-Function Pressure Balance Valve Repair Kit with Seats & Springs
RILDWO$21.053.9★25 rev
Newest
by launch dateRILDWO RP32104 Shower Cartridge Replacement Compatible with Delta Monitor 1700/1800 Series (1998-2005) Dual-Function Pressure Balance Valve Repair Kit with Seats & Springs
RILDWO$21.0525 rev
RP32104 Shower Cartridge Compatible With Delta 1700Series Faucet Cartridge
BOSRUIDA$22.6318 rev
RP32104 Shower Cartridge Compatible with Delta Monitor 1700 series (1998-2005) Cartridge for delta Monitor Shower Cartridge for Tub/Shower Faucet Valve
Vayolli$23.9342 rev
RP32104 Shower Cartridge Replacement Compatible with Delta Monitor 1700 series(1998-2005) Cartridge RP32104 Assembly for Bath Tub/Shower Faucet Valve
Tanxury$21.2314 rev
RP32104 Shower Cartridge Compatible with Delta Monitor 1700 Series Showers
TOVEN-RV$23.8463 rev
Trending
90-day click momentumRP32104 Shower Cartridge Replacement Compatible with Delta Monitor 1700 series(1998-2005) Cartridge RP32104 Assembly for Bath Tub/Shower Faucet Valve
Tanxury$21.234.0★
RP32104 Shower Cartridge Compatible With Delta 1700Series Faucet Cartridge
BOSRUIDA$22.634.9★
RILDWO RP32104 Shower Cartridge Replacement Compatible with Delta Monitor 1700/1800 Series (1998-2005) Dual-Function Pressure Balance Valve Repair Kit with Seats & Springs
RILDWO$21.053.9★
RP32104 Shower Cartridge Compatible with Delta Monitor 1700 series(1998-2005) Showers Easy to Install rp32104 Cartridge Replacement Including the RP32104 Cartridge and Parts
Miory$22.384.2★
Delta Faucet RP32104 Monitor 17 Series Cartridge Assembly
DELTA$56.914.7★
What buyers say about rp32104
What buyers praise and complain about, mined from review topics.What buyers love
“Exact fit”
“Did its job”
“the price is worth it”
“Easy install”
“Fixed my shower leak”
“Works great”
“Easy to use, extra parts for different models and works perfectly”
“Great product”
“Works great”
“Easy to install as long as your fixture is not corroded”
What buyers complain about
“Broke trying to turn the shower on 30 days later”
“it just wouldn't go”
“Instructions are minimal”
“It was complicated by Delta including a mangled spring in the kit”
“Squeaky,”
“Not good quality broken 30 days”
“The part arrived open, used, and parts missing”
“Not useable”
“it is not compatible”
“Worth the extra cash for a part made by Delta”
Top return reasons
Common questions
- Is rp32104 profitable to sell on Amazon United States?
- The niche generates $44K/yr across 7 tracked products. 90-day search growth is -8.7%. Flapen's verdict: Skip it (39/100).
- How competitive is the rp32104 niche?
- 7 brands and 25 sellers compete. The top 5 products take 95% of clicks and top 5 brands hold 95% of demand.
- What do buyers complain about in rp32104?
- Top complaints mined from reviews: Durability, Functionality-Overall, Instructions/User Manual/Troubleshooting. The return rate is 7.0% — above our launch gate.
- When does demand for rp32104 peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the rp32104 niche?
- Listings span $21.05–$56.91; the average listing price is $27.43 (sweet spot $15–$100). The average incumbent carries 191 reviews — the moat a new listing must climb.