airdog fuel filters
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.7%return rate — above 6% kills the launch gate
Price range
Incredible$18.44–$82.11cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$49.41avg listing price — sweet spot $15–$100
Conversion
Great9.1%search→purchase rate — share of searches ending in a sale
Review moat
Great414avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Okay$166K$166K/yr · 37K searches
Growth
Bad-12.4%90-day search growth — must beat 0% to launch
Competition
Bad97%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
20
Top-5 brand share
100%
Open market
0%
- AirDog77%
- Aftermarket Filtration Experts12%
- Generic5%
- DTMAP3%
- XIAGONG3%
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 6 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
AirDog Pre-Filter WS100 and Fuel Filter FF100-2 Combo Pack
AirDog$63.614.7★1,988 rev
AirDog Replacement Fuel Filter Bundle W/Water Separator Filter
AirDog$62.534.5★127 rev
Donaldson Replacement Filters for Airdog I Replaces FF100-2 & WS100
Aftermarket Filtration Experts$39.964.1★351 rev
Replacement Filters for AirDog I AirDog II and AirDog II-4G Fuel Systems (Replace FF100-2 & WS100) (2 Sets)
Generic$82.115.0★4 rev
Fuel Filter Pre-Filter and Water Separator Kit for AirDog AirDog II & II-4G Dodge Ram Cummins Chevy Silverado & GMC Sierra Duramax Powerstroke Diesel Replaces WS100 FF100-2
DTMAP$18.443.3★8 rev
Newest
by launch dateFuel Filter Pre-Filter and Water Separator Kit for AirDog AirDog II & II-4G Dodge Ram Cummins Chevy Silverado & GMC Sierra Duramax Powerstroke Diesel Replaces WS100 FF100-2
DTMAP$18.448 rev
Replacement Filters for AirDog I AirDog II and AirDog II-4G Fuel Systems (Replace FF100-2 & WS100) (2 Sets)
Generic$82.114 rev
WS100 and Fuel Filter FF100-2 Combo Pack (FF5324-FS19594) Compatible with AirDog
XIAGONG$29.796 rev
AirDog Replacement Fuel Filter Bundle W/Water Separator Filter
AirDog$62.53127 rev
AirDog Pre-Filter WS100 and Fuel Filter FF100-2 Combo Pack
AirDog$63.611,988 rev
Trending
90-day click momentumFuel Filter Pre-Filter and Water Separator Kit for AirDog AirDog II & II-4G Dodge Ram Cummins Chevy Silverado & GMC Sierra Duramax Powerstroke Diesel Replaces WS100 FF100-2
DTMAP$18.443.3★
Replacement Filters for AirDog I AirDog II and AirDog II-4G Fuel Systems (Replace FF100-2 & WS100) (2 Sets)
Generic$82.115.0★
AirDog Replacement Fuel Filter Bundle W/Water Separator Filter
AirDog$62.534.5★
Donaldson Replacement Filters for Airdog I Replaces FF100-2 & WS100
Aftermarket Filtration Experts$39.964.1★
WS100 and Fuel Filter FF100-2 Combo Pack (FF5324-FS19594) Compatible with AirDog
XIAGONG$29.794.6★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -12.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Nice well made filter set for AirDog filter change out”
“Fits great”
“Exactly what I ordered”
“a good value”
“Great product”
“fixed my leak from old filters”
“these are pretty easy to change”
“Works great”
“Easy installation to keep my fuel system clean and operational”
“Easy installation to keep my fuel system clean and operational”
What buyers complain about
“instantly leaked I asked for a refund”
“Did NOT FIT my Air Dog pump”
“I gave two stars because 8 don't know if anything is wrong with the filter”
“Didn't work at all”
“These are garbage”
“smell like diesel all day”
“The rubber seal on the top of each filter are rock hard”