secondary air injection pump
Worth a lookShows a thin review moat (49 avg reviews), but soft demand (-12.9% this quarter) keeps it on the watch list.
Review moat
Incredible48.9avg incumbent reviews — the moat a new listing must climb
Avg price
Great$81.80avg 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–$208.80cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$207K$207K/yr · 70K searches
Returns
Bad6.6%return rate — above 6% kills the launch gate
Growth
Bad-12.9%90-day search growth — must beat 0% to launch
Competition
Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.Brands
26 falling
Sellers
99
Top-5 brand share
72%
Open market
24%
- A-Premium42%
- JDMSPEED12%
- Dorman8%
- OKAY MOTOR5%
- GELUOXI5%
- SZKAIDAG4%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 63 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
A-Premium Secondary Air Injection Smog Pump Compatible with BMW 328i 2007-2013 328i xDrive 2009-2013 328xi 2007-2008 128i
A-Premium$82.970 rev
7849167 Secondary Air Injection Smog Pump Replacement for 1988-1993 Chevy C1500 Silverado/Cheyenne Standard/Extended/Scottsdale 4.3L 5.0L 5.7L
Cilipnsi$144.170 rev
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
A-Premium Secondary Air Injection Smog Pump Compatible with Chevrolet Cruze 2013-2015 Cruze Limited 2016 1.8L
A-Premium$90.001 rev
Trending
90-day click momentum7849167 Secondary Air Injection Smog Pump Replacement for 1988-1993 Chevy C1500 Silverado/Cheyenne Standard/Extended/Scottsdale 4.3L 5.0L 5.7L
Cilipnsi$144.170.0★
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$161.163.0★
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$168.050.0★
A-Premium Secondary Air Injection Smog Pump Compatible with BMW 328i 2007-2013 328i xDrive 2009-2013 328xi 2007-2008 128i
A-Premium$82.970.0★
Dorman 34150 A/C Compressor Bypass Pulley Compatible with Select Ford Models
Dorman$49.614.2★
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×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Direct fit”
“easy to install”
“Works great”
“Worth the investment”
“The item improved performance”
“.it works like a charm”
“Easy”
“Great air pump”
“it eliminated the loud noise that happened at start up”
“Got what I ordered”
What buyers complain about
“Cheap, works”
“I got the part and using it”
“not last long”
“This one i was skeptical of because price was so low”
“is sometimes very loud”
“It's too big for Canadian trucks”
“Does not fit 2004 Chrystler Crossfire”
“May have to buy proper quick connect”
“Pain in the you know what to install yourself”
“Car still wont work”