peerless shower cartridge
Skip itA small market ($33K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$29.91avg listing price — sweet spot $15–$100
Price range
Incredible$20.90–$47.07cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great175.42avg incumbent reviews — the moat a new listing must climb
Conversion
Great9.9%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Competition
Bad72%top-5 click share — a locked-up shelf
Growth
Bad-30.8%90-day search growth — must beat 0% to launch
Market size
Bad$33K$33K/yr · 11K searches
Returns
Bad9.9%return rate — above 5% kills the launch gate
According to Flapen's Amazon United States niche tracking, peerless shower cartridge is a $33K/yr Amazon United States market (11K searches/yr). The top 5 brands hold 83% of demand. Verdict: Skip it — 38/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
peerless shower cartridge market data
- Units sold / yr
- 1K–1K
- avg 100–250/product
- Revenue / yr
- $30K–$37K
- units × avg price
- Conversion rate
- 9.9%
- Avg BSR
- #414
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 83%
- Out of stock
- 0.0%
- Avg brand age
- 33 months
- Avg seller age
- 160 days
Competition & brand share
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.Brands
10 rising
Sellers
26
Top-5 brand share
83%
Top 20: 100%
Top-5 click share
72%
Top 20: 100%
Open market
10%
- Peerless29%
- Tanxury17%
- Dreyoo16%
- Coolfell14%
- Kamrexi8%
- Vayolli7%
- Open — no brand owns it (4 brands, 10%)
Demand
Weekly Amazon search volume, last 21 weeks — -30.8% search growth over the last 90 days.Top peerless 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.
All 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Peerless Single-Function Pressure Balance Cartridge RP70538
Peerless$39.074.5★1,209 rev
RP70538/RP73625 Shower Cartridge Replacement Single Function Pressure Balance Cartridge for Delta and Peerless Single Handle Tub/Showers Faucet (Check Valve Included)
Coolfell$31.204.4★18 rev
Dreyoo 1 Pack Pressure Balance Cartridge Compatible with RP70538/RP73625
Dreyoo$32.484.6★221 rev
RP70538 Single Function Pressure Balance Cartridge Replacement Shower Cartridge Compatible with Peerless and Delta Single Handle Tub/Showers Faucet Not Included Check Valve
Tanxury$21.384.0★26 rev
RP70538/RP73625 Shower Cartridge Compatible with Peerless/Delta
Kamrexi$23.774.1★7 rev
Newest
by launch date
Mektarvix RP70538 Shower Cartridge with RP73625 Check Valve Replacement for Kissler 46-0538 Compatible with Delta Peerless Foundation Linden Zura Single-Handle Tub Faucet Pressure Balance Core
Mektarvix$26.881 rev
RP70538/RP73625 Shower Cartridge Compatible with Peerless/Delta
Kamrexi$23.777 rev
RP70538/RP73625 Shower Cartridge Replacement Single Function Pressure Balance Cartridge for Delta and Peerless Single Handle Tub/Showers Faucet (Check Valve Included)
Coolfell$31.2018 rev
Single Function Pressure Balance Cartridge RP73625 RP70538 Cartridge For Delta Shower Cartridge Replacement Peerless/Delta Shower Replacement Single Handle Tub & Showers Faucet (Check Valve Included)
FAMELEC$26.103 rev
RP70538/RP73625 Single Function Pressure Balance Cartridge Replacement Compatible with Peerless/Delta Shower Cartridge Replacement Single Handle Tub and Showers Faucet (RP73625 Check Valve Included)
Tanxury$32.3218 rev
Trending
90-day click momentumMektarvix RP70538 Shower Cartridge with RP73625 Check Valve Replacement for Kissler 46-0538 Compatible with Delta Peerless Foundation Linden Zura Single-Handle Tub Faucet Pressure Balance Core
Mektarvix$26.885.0★
RP70538/RP73625 Shower Cartridge Compatible with Peerless/Delta
Kamrexi$23.774.1★
Single Function Pressure Balance Cartridge RP73625 RP70538 Cartridge For Delta Shower Cartridge Replacement Peerless/Delta Shower Replacement Single Handle Tub & Showers Faucet (Check Valve Included)
FAMELEC$26.105.0★
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$20.904.2★
RP70538/RP73625 Shower Cartridge Replacement Single Function Pressure Balance Cartridge for Delta and Peerless Single Handle Tub/Showers Faucet (Check Valve Included)
Coolfell$31.204.4★
What buyers say about peerless shower cartridge
What buyers praise and complain about, mined from review topics.What buyers love
“Fit perfect”
“Fantastic quality and a breeze to install”
“doesn't leak one bit”
“Easy install”
“Good deal”
“works as advertised”
“Works well”
“the water control worked good installation was simple”
“not to difficult”
“It does feel durable”
What buyers complain about
“the cartridge is simply manufactured too large”
“Started leaking quickly and made a big mess”
“My Plumber tried to install would not work”
“Cheap junk”
“This part is junk”
“they operate very poorly”
“Easily broken”
“Does not fit delta 1400”
“wrong models listed in the ad”
“difficult to remove”
Top return reasons
Common questions
- Is peerless shower cartridge profitable to sell on Amazon United States?
- The niche generates $33K/yr across 12 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -30.8%. Flapen's verdict: Skip it (38/100).
- How competitive is the peerless shower cartridge niche?
- 10 brands and 26 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 83% of demand.
- What do buyers complain about in peerless shower cartridge?
- Top complaints mined from reviews: Size-Overall, Leak-Proof, Assembly/Installation. The return rate is 9.9% — above our launch gate.
- What does it cost to enter the peerless shower cartridge niche?
- Listings span $20.90–$47.07; the average listing price is $29.91 (sweet spot $15–$100). The average incumbent carries 175 reviews — the moat a new listing must climb.