delta shower cartridge
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$29.99avg listing price — sweet spot $15–$100
Price range
Incredible$15.29–$56.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.2%search→purchase rate — share of searches ending in a sale
Review moat
Good666.85avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Market size
Good$669K$669K/yr · 271K searches
Competition
Bad76%top-5 click share — a locked-up shelf
Growth
Bad-13.0%90-day search growth — must beat 0% to launch
Returns
Bad7.7%return rate — above 5% kills the launch gate
Brand share
Bad98%top-5 brand share — brand-locked demand
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
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.Peak months: Feb · busiest ÷ quietest = 1.5×
Top delta shower cartridge search terms
- delta shower cartridge86K/yr
- delta shower cartridge replacement33K/yr
- delta cartridge replacement34K/yr
- delta cartridge20K/yr
- delta monitor shower cartridge22K/yr
- delta shower valve cartridge18K/yr
- delta monitor cartridge9K/yr
- delta shower faucet cartridge9K/yr
- delta type p shower cartridge5K/yr
- delta shower cartridges4K/yr
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.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$19.164.4★510 rev
Delta Faucet RP46074 TUB SHOWER CARTRIDGE 1 White
DELTA$55.624.5★2,369 rev
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★345 rev
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$21.274.5★198 rev
Delta Faucet RP19804 1300/1400 Series Catridge Assembly Small
DELTA$55.564.5★1,820 rev
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$21.45251 rev
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$21.78251 rev
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$19.16510 rev
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$20.90345 rev
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$21.27198 rev
Trending
90-day click momentumLOWCUS 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$21.454.2★
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$21.784.2★
Delta Faucet RP46074 TUB SHOWER CARTRIDGE 1 White
DELTA$55.624.5★
Delta Faucet RP19804 1300/1400 Series Catridge Assembly Small
DELTA$55.564.5★
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$21.274.5★
What buyers say about delta shower cartridge
What buyers praise and complain about, mined from review topics.What buyers love
“Direct fit”
“No leaks”
“Good deal”
“works as advertised”
“Best priced quality product”
“Installing it was surprisingly smooth”
“Valve is working good”
“Easy peasy”
“Pressure is stronger”
“It does feel durable”
What buyers complain about
“then started leaking badly”
“Didn't fit”
“This product is low quality”
“Easily broken”
“Hardest part about the install is getting the large nut off the housing”
“Nothings inexpensive anymore”
“This thing does not function as well as the original”
“It appears this was returned and then resold”
“Had problems with it”
“The water pressure is significantly worse”
Top return reasons
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.