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 5% 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
According to Flapen's Amazon United States niche tracking, airdog fuel filters is a $166K/yr Amazon United States market (37K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 46/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
airdog fuel filters market data
- Units sold / yr
- 4K–5K
- avg 500–750/product
- Revenue / yr
- $198K–$247K
- units × avg price
- Conversion rate
- 9.1%
- Avg BSR
- #1,569
- Page quality
- 0%
- Prime
- 83%
- Sponsored
- 67%
- Out of stock
- 16.4%
- Avg brand age
- 52 months
- Avg seller age
- 162 days
Competition & brand share
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%
Top 20: 100%
Top-5 click share
97%
Top 20: 100%
Open market
0%
- AirDog77%
- Aftermarket Filtration Experts12%
- Generic5%
- DTMAP3%
- XIAGONG3%
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×
Top airdog fuel filters search terms
- airdog fuel filters18K/yr
- air dog fuel filter kit14K/yr
- air dog fuel filter replacement5K/yr
Top airdog fuel filters 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 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 date
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$18.448 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 momentum
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★

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★
What buyers say about airdog fuel filters
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”
Top return reasons
Common questions
- Is airdog fuel filters profitable to sell on Amazon United States?
- The niche generates $166K/yr across 6 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -12.4%. Flapen's verdict: Skip it (46/100).
- How competitive is the airdog fuel filters niche?
- 5 brands and 20 sellers compete. The top 5 products take 97% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in airdog fuel filters?
- Top complaints mined from reviews: Leak-Proof, Size-Overall, Filtration. The return rate is 0.7%.
- When does demand for airdog fuel filters peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the airdog fuel filters niche?
- Listings span $18.44–$82.11; the average listing price is $49.41 (sweet spot $15–$100). The average incumbent carries 414 reviews — the moat a new listing must climb.