Is secondary air injection pump profitable to sell on Amazon United States?

The niche generates $207K/yr across 63 tracked products. 1 of 8 products launched in the last 360 days are still selling. 90-day search growth is -12.9%. Flapen's verdict: Worth a look (51/100).

How competitive is the secondary air injection pump niche?

26 brands and 99 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 72% of demand.

What do buyers complain about in secondary air injection pump?

Top complaints mined from reviews: Quality-Overall, Defective Material/Parts, Durability. The return rate is 6.6% — above our launch gate.

When does demand for secondary air injection pump peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the secondary air injection pump niche?

Listings span $24.39–$208.80; the average listing price is $81.80 (sweet spot $15–$100). The average incumbent carries 49 reviews — the moat a new listing must climb.

secondary air injection pump

Worth a look

Shows a thin review moat (49 avg reviews), but soft demand (-12.9% this quarter) keeps it on the watch list.

Review moat

Incredible48.9

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$81.80

avg listing price — sweet spot $15–$100

Competition

Great34%

top-5 click share — an open shelf

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Brand share

Good72%

top-5 brand share — brands hold most of the demand

Conversion

Okay3.6%

search→purchase rate — share of searches ending in a sale

Price range

Okay$24.39–$208.80

cheapest to priciest tracked listing — scored on the share inside $15–$100

Market size

Okay$207K

$207K/yr · 70K searches

Growth

Bad-12.9%

90-day search growth — must beat 0% to launch

Returns

Bad6.6%

return rate — above 5% kills the launch gate

Signals Low Review Barrier High Returns High Price

According to Flapen's Amazon United States niche tracking, secondary air injection pump is a $207K/yr Amazon United States market (70K searches/yr). The top 5 brands hold 72% of demand. Verdict: Worth a look — 51/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

secondary air injection pump market data

Units sold / yr: 2K–2K; avg 0–100/product
Revenue / yr: $123K–$164K; units × avg price
Conversion rate: 3.6%
Avg BSR: #168
Page quality: 0%
Prime: 95%
Sponsored: 84%
Out of stock: 11.5%
Avg brand age: 51 months
Avg seller age: 173 days

Competition & brand share

Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.

Brands

26 falling

Sellers

Top-5 brand share

72%

Top 20: 96%

Top-5 click share

34%

Top 20: 65%

Open market

24%

A-Premium42%
JDMSPEED12%
Dorman8%
OKAY MOTOR5%
GELUOXI5%
SZKAIDAG4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -12.9% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top secondary air injection pump search terms

secondary air injection pump42K/yr -8.7%1.8% conv.
smog pump12K/yr -19.5%0.7% conv.
secondary air pump10K/yr -7.3%1.4% conv.
air injection pump6K/yr -37.1%1.8% conv.

All search terms

Top secondary air injection pump 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

JDMSPEED New Secondary Air Injection Smog Air Pump 0580000025 0001405185 Replacement For Mercedes Benz E350 E550 GL450 GL550 ML350 ML550 R350 S550 SL550 SLK280 SLK300 SLK350 C230 C280 C300 C350 CL550

JDMSPEED$49.314.1★248 rev

A-Premium 2 PCS Secondary Air Injection Pump Compatible with Toyota Tundra 2007-2013 Sequoia 2006-2012 Land Cruiser & Lexus LX570 2008-2011/2013 4.6L 4.7L 5.7L Replace# 17610-0S010 10200231AA

A-Premium$114.664.5★24 rev

A-Premium Secondary Air Injection Smog Pump Compatible with Mercedes-Benz E280 E300 E350 E550 C280 C230 C250 C300 C350 GLK350 ML350 ML550 ML450 GL450 GL550 S400 S450 S550 CLS550 0580000025 0001405185

A-Premium$56.904.6★28 rev

A-Premium Secondary Air Injection Pump Smog Pump

A-Premium$54.934.3★18 rev

OKAY MOTOR Secondary Air Injection Pump (2-pack) for 2007 2008-2013 Toyota Tundra Land Cruiser Sequoia 2008-2013 Lexus LX570 4.6L 4.7L 5.7L 17610-0S010 10200231AA 33-2504M

OKAY MOTOR$133.004.2★539 rev

Newest

by launch date

HXYBBGS 7849167 Secondary Air Injection Pump Smog Pump Compatible With Chevry & G-MC and Pontiac Firebird 1987-1993 6 or 8 Cyl 4.3L 5.0L 5.7L.

HXYBBGS$161.161 rev

5mo ago

Secondary Air Injection Pump Smog Pump Compatible with 1988-1993 Chevrolet C1500 8 Cyl 5.7L 5.0L 4.3L Replaces 7849167 7832904 7849163 53005087

Zelven$168.050 rev

6mo ago

A-Premium Secondary Air Injection Smog Pump Compatible with Chevrolet Equinox 2012-2015 & GMC Terrain 2012-2015 & Buick LaCrosse 2011 Regal 2011-2012 2.4L

A-Premium$79.662 rev

8mo ago

A-Premium 2 PCS Secondary Air Injection Pump Compatible with Toyota Tundra 2007-2013 Sequoia 2006-2012 Land Cruiser & Lexus LX570 2008-2011/2013 4.6L 4.7L 5.7L Replace# 17610-0S010 10200231AA

A-Premium$114.6624 rev

1y ago

A-Premium Secondary Air Injection Smog Pump Compatible with Mercedes-Benz E280 E300 E350 E550 C280 C230 C250 C300 C350 GLK350 ML350 ML550 ML450 GL450 GL550 S400 S450 S550 CLS550 0580000025 0001405185

A-Premium$56.9028 rev

1y ago

What buyers say about secondary air injection pump

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall31%

“Direct fit”

Assembly/Installation13%

“easy to install”

Efficiency12%

“Works great”

Value For Money11%

“Worth the investment”

Quality-Overall8%

“The item improved performance”

Advertised Vs Actual Product6%

“.it works like a charm”

Ease Of Use4%

“Easy”

Pressure4%

“Great air pump”

Noise Level2%

“it eliminated the loud noise that happened at start up”

Correct Contents1%

“Got what I ordered”

What buyers complain about

Quality-Overall20%

“Cheap, works”

Defective Material/Parts16%

“I got the part and using it”

Durability11%

“not last long”

Value For Money8%

“This one i was skeptical of because price was so low”

Noise Level8%

“is sometimes very loud”

Size-Overall6%

“It's too big for Canadian trucks”

Compatibility-Overall6%

“Does not fit 2004 Chrystler Crossfire”

Connectivity-Overall3%

“May have to buy proper quick connect”

Assembly/Installation3%

“Pain in the you know what to install yourself”

Functionality-Overall3%

“Car still wont work”

Top return reasons

Defective Material/Parts19%

Size-Overall18%

Compatibility-Overall15%

Functionality-Overall13%

Advertised Vs Actual Product8%

Connectivity-Overall4%

Noise Level3%

Value For Money2%

Socket/Port/Plug2%

Motor Issues2%

Common questions

Is secondary air injection pump profitable to sell on Amazon United States?: The niche generates $207K/yr across 63 tracked products. 1 of 8 products launched in the last 360 days are still selling. 90-day search growth is -12.9%. Flapen's verdict: Worth a look (51/100).
How competitive is the secondary air injection pump niche?: 26 brands and 99 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 72% of demand.
What do buyers complain about in secondary air injection pump?: Top complaints mined from reviews: Quality-Overall, Defective Material/Parts, Durability. The return rate is 6.6% — above our launch gate.
When does demand for secondary air injection pump peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the secondary air injection pump niche?: Listings span $24.39–$208.80; the average listing price is $81.80 (sweet spot $15–$100). The average incumbent carries 49 reviews — the moat a new listing must climb.