secondary air injection check valve
Worth a lookShows a thin review moat (50 avg reviews), but a small market ($54K/yr) keeps it on the watch list.
Review moat
Incredible49.63avg incumbent reviews — the moat a new listing must climb
Competition
Great34%top-5 click share — an open shelf
Brand share
Great54%top-5 brand share — no brand owns this niche
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Avg price
Great$99.51avg listing price — sweet spot $15–$100
Price range
Okay$21.28–$202.95cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.7%search→purchase rate — share of searches ending in a sale
Returns
Bad5.7%return rate — above 5% kills the launch gate
Growth
Bad-9.7%90-day search growth — must beat 0% to launch
Market size
Bad$54K$54K/yr · 20K searches
According to Flapen's Amazon United States niche tracking, secondary air injection check valve is a $54K/yr Amazon United States market (20K searches/yr). The top 5 brands hold 54% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
secondary air injection check valve market data
- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $50K–$75K
- units × avg price
- Conversion rate
- 2.7%
- Avg BSR
- #47
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 78%
- Out of stock
- 6.1%
- Avg brand age
- 46 months
- Avg seller age
- 163 days
Competition & brand share
Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.Brands
17 flat
Sellers
55
Top-5 brand share
54%
Top 20: 100%
Top-5 click share
34%
Top 20: 79%
Open market
38%
- NewYall13%
- A-Premium11%
- Standard Motor Products11%
- GDUKOP10%
- GM GENUINE PARTS9%
- Dasbecan8%
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — -9.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top secondary air injection check valve search terms
- secondary air injection check valve13K/yr
- secondary air injection valve4K/yr
- toyota secondary air injection valve3K/yr
Top secondary air injection check valve 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Standard Motor Products AV56 Air Pump Check Valve Assorted One Size
Standard Motor Products$24.394.7★215 rev
Secondary Air Injection Pump Check Valve Compatible with Toyota Tundra 2007-2009 Sequoia 2008-2009 4.7L V8 Replace# 911-622 25710-50031 25710-50032 25710-50030 2571050042
GDUKOP$58.484.7★11 rev
NewYall Secondary Air Injection Check Valve for Chevrolet Impala Malibu Equinox GMC Terrain Buick LaCrosse Regal 2013 2014 2015 2016 2017
NewYall$77.753.9★4 rev
loosoo Secondary Air Injection Valve Air Pump Check Valve Compatible with Toyota Sequoia 2008-2009 Tundra 2007-2009 4.7L V8 GAS Replace# 25710-50032 25710-50030 25710-50031
loosoo$60.404.4★57 rev
OKAY MOTOR Secondary Air Injection Pump Check Valve for 2007-2021 Toyota Tundra Land Cruiser Sequoia LX570 5.7L 911-643 25701-38064 25701-38060
OKAY MOTOR$126.594.1★20 rev
Newest
by launch dateSecondary Air Injection Pump Check Valve Compatible with Toyota Tundra 2007-2009 Sequoia 2008-2009 4.7L V8 Replace# 911-622 25710-50031 25710-50032 25710-50030 2571050042
GDUKOP$58.4811 rev
25710-75015 Air Switching Valve Compatible with Toyota Tacoma 2.7L 2005-2023 4Runner 2.7L 2010 Air Injection Check Valve Replace# 2571075015 25710-75014 25710-75013 25710-75012
GDUKOP$78.168 rev
URO Parts 0021407460 Air Pump Check Valve
URO Parts$108.292 rev
Ytrica 25710-31022 Secondary Air Injection Check Valve Fit for Toyota Tacoma | 4.0L V6 1GR-FE 2012 2013 2014 2015 - Replace 2571031021 17613-0P010 2571031020
Ytrica$176.8217 rev
Roneeson Secondary Air Injection Pump Check Valve for Toyota Tacoma 2012-2015 4.0L
Roneeson$151.740 rev
Trending
90-day click momentum25710-75015 Air Switching Valve Compatible with Toyota Tacoma 2.7L 2005-2023 4Runner 2.7L 2010 Air Injection Check Valve Replace# 2571075015 25710-75014 25710-75013 25710-75012
GDUKOP$78.164.6★
Secondary Air Injection Pump Check Valve Compatible with Toyota Tundra 2007-2009 Sequoia 2008-2009 4.7L V8 Replace# 911-622 25710-50031 25710-50032 25710-50030 2571050042
GDUKOP$58.484.7★
ACDelco Gold 19307616 Secondary Air Injection Check Valve
ACDelco$21.284.6★
URO Parts 0021407460 Air Pump Check Valve
URO Parts$108.295.0★
Dasbecan Secondary Air Injection Check Valve Right Compatible with 2011-2015 Buick LaCrosse/Regal Chevy Malibu/Equinox/Impala GMC Terrain 2.4L Replace 12639108 101392-5170
Dasbecan$84.343.5★
What buyers say about secondary air injection check valve
What buyers praise and complain about, mined from review topics.What buyers love
“Fits perfect”
“the band and quality is great sso dont think i will need to”
“Also cheaper than most places”
“very well made definitely does not feel cheap or easily breakable”
“Looks exactly like the one described”
“Easy install”
“Works great”
“corrosion-resistant build points to solid durability”
“I like that it is a direct bolt-on replacement with no modifications needed”
What buyers complain about
“more expensive at the end”
“failed after a year and a half”
“Did not work”
“Poor quality”
“Because I had to wait long for the gasket so it prolonged me charging this part”
“Bad part”
“Hard pass”
“Housing glue failed”
“It's not exactly the same”
“not plug and play”
Top return reasons
Common questions
- Is secondary air injection check valve profitable to sell on Amazon United States?
- The niche generates $54K/yr across 32 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -9.7%. Flapen's verdict: Worth a look (50/100).
- How competitive is the secondary air injection check valve niche?
- 17 brands and 55 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 54% of demand.
- What do buyers complain about in secondary air injection check valve?
- Top complaints mined from reviews: Value For Money, Durability, Functionality-Overall. The return rate is 5.7% — above our launch gate.
- When does demand for secondary air injection check valve peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the secondary air injection check valve niche?
- Listings span $21.28–$202.95; the average listing price is $99.51 (sweet spot $15–$100). The average incumbent carries 50 reviews — the moat a new listing must climb.