Sp21058
FailShoppers spend an estimated $75K a year here, so Sp21058 is a Fail.
- Flapen Score
- 48 / 100Ranks 4,568 of 9,536 Tools & Home Improvement niches · on the category median48
- Market size
- $75K/yr19K searches / yr
- 90-day growth
- -0.2%search demand this quarter
- Competition
- 73%top-5 click share · 13 brands · 15 sellers
Flapen Score
Sp21058 against its category
The dotted line is the Tools & Home Improvement average. Past it, Sp21058 is stronger. Inside it, weaker.
Market
The Sp21058 market on Amazon at a glance
Shoppers on Amazon United States searched for Sp21058 19K times last year and spent an estimated $75K. The top 5 brands take 73% of clicks. Demand peaks in Jul. Flapen scores it 48 out of 100, a Fail.
01 · Demand
An estimated 9.3% of those searches ended in a purchase.
Shoppers searched for this 19K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 9.3% of those searches ended in a purchase. Searches in the last 90 days moved -0.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $75K a year.
- Searches, last 12 months
- 19K
- Growth, 90 days vs prior 90
- -0.2%
- Conversion, latest week
- 9.3%
- Market size, estimated
- $75Ka year
- Peak month
- July1.9× the quietest month
- Top search term
- rheem pilot assembly kit6K searches a year
02 · Price
A sale here is worth $42.25.
Listings sell for $42.25 on average, from $25.96 to $68.08. Amazon reports units sold in ranges. This niche sold 1K to 2K a year. The average listing sells 0 to 100 of them. At $42.25 that is $0 to $4K a year per listing.
- Average price
- $42.25inside the $15 to $100 sweet spot
- Price range
- $25.96–$68.08
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 1K–2K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$4K
- Returns
- 6.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.1% of listings are out of stock. The average listing ranks #11,046 within Plumbing. It carries 59 reviews at 4.16 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 1.1%
- Average rank
- #11,046in Plumbing
- Average rating
- 4.16 starsAmazon United States average 4.42 stars
- Average reviews
- 59per listing
- Listings tracked
- 13
04 · Newcomers
3 of last year's 7 launches cleared the first-year sales bar.
7 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 25 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 7
- Successful launches
- 3Amazon's first-year sales bar
- Average brand age
- 25 months
Products
Top Sp21058 products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 29, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
SP21058 SP20824 Pilot Assembly for Water Heater Parts with Thermopile & Sparker
- Price
- $41.12
- Rating
- 4.4/5
- Reviews
- 41
- Age
- 7mo ago

Upgraded SP20075 Pilot and Igniter Assembly Compatible with Rheem Water Heater Pilot Assembly PROTECH GE Richmond Water Heater Pilot Assembly Water Heater Pilot Assembly for Natural Gas
- Price
- $26.06
- Rating
- 4.2/5
- Reviews
- 221
- Age
- 3y ago

SP20824 Pilot Assembly for Water Heater Parts Compatible with Rheem Ruud
- Price
- $38.66
- Rating
- 3.8/5
- Reviews
- 8
- Age
- 11mo ago

Hoeine SP21058 Pilot Assembly Kit with Thermopile for Rheem Water Heater
- Price
- $44.31
- Rating
- 4.0/5
- Reviews
- 40
- Age
- 10mo ago

SP21058 Pilot Assembly Replacement Kit for Rheem Water Heater Parts Compatible with Select Rheem & Ruud Gas Water Heaters Complete Water Heater Pilot Burner Assembly Thermopile Thermocouple etc.
- Price
- $61.44
- Rating
- 3.0/5
- Reviews
- 13
- Age
- 7mo ago
Trending
estimated 90-day click momentum
SP21058 SP20824 Pilot Assembly for Water Heater Parts with Thermopile & Sparker
- Price
- $41.12
- Rating
- 4.4/5
- Reviews
- 41
- Age
- 7mo ago

Water Heater Pilot Assembly Fit for Rheem Ruud Richmond SP20754 SP21058 SP21059 SP20800 NG/LP Universal Burner Ignition Replacement Kit with Thermopile and Sparker
- Price
- $39.95
- Rating
- 5.0/5
- Reviews
- 7
- Age
- 9mo ago

SP21058 Replacement for Rheem Pilot Assembly Compatible with Select Rheem Ruud Water Heaters Replacement for Water Heater Parts Water Heater Burner Assembly with Thermopile and Thermocouple
- Price
- $48.82
- Rating
- 3.8/5
- Reviews
- 5
- Age
- 2mo ago

SP20824 Pilot Assembly for Water Heater Parts Compatible with Rheem Ruud
- Price
- $38.66
- Rating
- 3.8/5
- Reviews
- 8
- Age
- 11mo ago

SP21058 SP20824 Pilot Burner Assembly Replacement Kit
- Price
- $41.33
- Rating
- 4.4/5
- Reviews
- 7
- Age
- 10mo ago
Newest
by launch date
SP21058 Replacement for Rheem Pilot Assembly Compatible with Select Rheem Ruud Water Heaters Replacement for Water Heater Parts Water Heater Burner Assembly with Thermopile and Thermocouple
- Price
- $48.82
- Rating
- 3.8/5
- Reviews
- 5
- Age
- 2mo ago

SP21058 SP20824 Pilot Assembly for Water Heater Parts with Thermopile & Sparker
- Price
- $41.12
- Rating
- 4.4/5
- Reviews
- 41
- Age
- 7mo ago

SP21058 Pilot Assembly Replacement Kit for Rheem Water Heater Parts Compatible with Select Rheem & Ruud Gas Water Heaters Complete Water Heater Pilot Burner Assembly Thermopile Thermocouple etc.
- Price
- $61.44
- Rating
- 3.0/5
- Reviews
- 13
- Age
- 7mo ago

Water Heater Pilot Assembly Fit for Rheem Ruud Richmond SP20754 SP21058 SP21059 SP20800 NG/LP Universal Burner Ignition Replacement Kit with Thermopile and Sparker
- Price
- $39.95
- Rating
- 5.0/5
- Reviews
- 7
- Age
- 9mo ago

SP21058 SP20824 Pilot Burner Assembly Replacement Kit
- Price
- $41.33
- Rating
- 4.4/5
- Reviews
- 7
- Age
- 10mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 73% of clicks. A locked shelf that new listings rarely crack.
Brands
13 rising
Sellers
15
Est. top-5 brand share
73%
Top 20: 100%
Est. top-5 click share
73%
Top 20: 100%
Open market
22%
- JURPLIX36%
- Pontuss14%
- TT Tokuein10%
- Hoeine8%
- YDHFTYS5%
- Redants5%
Demand
Sp21058 search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jul · busiest ÷ quietest = 1.9×
Search terms
Top Sp21058 search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- rheem pilot assembly kit6K/yr
- sp210586K/yr
- rheem pilot assembly4K/yr
- rheem water heater pilot assembly3K/yr
Reviews and returns
What reviews say buyers love and hate about Sp21058
We read the reviews and the return reasons for every product selling here.
“Failed after 2 weeks”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Sp21058 questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









