ff5825nn
Skip itSoft demand (-13.3% this quarter) — this niche doesn't clear our bar today.
Review moat
Incredible16.58avg incumbent reviews — the moat a new listing must climb
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Conversion
Great7.1%search→purchase rate — share of searches ending in a sale
Avg price
Good$105.57avg listing price — sweet spot $15–$100
Competition
Okay58%top-5 click share — leaders hold, buyers still browse
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Market size
Bad$98K$98K/yr · 13K searches
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Price range
Bad$24.21–$365.34cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-13.3%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, ff5825nn is a $98K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Jan. Verdict: Skip it — 46/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
ff5825nn market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- $106K–$132K
- units × avg price
- Conversion rate
- 7.1%
- Avg BSR
- #3,444
- Page quality
- 0%
- Prime
- 74%
- Sponsored
- 68%
- Out of stock
- 8.3%
- Avg brand age
- 28 months
- Avg seller age
- 131 days
Competition & brand share
The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.Brands
12 rising
Sellers
27
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
58%
Top 20: 100%
Open market
14%
- Fleetguard49%
- Fourtry12%
- GETOPAUTO11%
- FOCUSFILTER5%
- Cummins5%
- OBNES4%
- Open — no brand owns it (6 brands, 14%)
Demand & seasonality
Weekly Amazon search volume, last 88 weeks — -13.3% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 2.0×
Top ff5825nn 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 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
FF5825NN Fleetguard Fuel Filter - Genuine OEM filter for Cummins ISX15 & ISX12 engines - 1 Pack
Fleetguard$106.084.6★40 rev

Genuine Fleetguard - Cummins Filtration LF14000NN - FF5825NN - FS19765 Fleetguard Filters Kit For Cummins
Fleetguard$138.674.3★28 rev

FF5825NN Fuel Filter Compatible with C ummins ISX11.9 ISX15.0 QSX11.9 X15 Engines Freight liner Peter bilt Ken worth Trucks Replaces FF5825NN 5599456 5365988 DBF6776 BF46129 WF10515 3-Pack
Fourtry$62.735.0★3 rev

Fleetguard FF5825NN Fuel Filter Pack of 2 Heavy Duty Diesel Engine
Fleetguard$145.555.0★1 rev

Fleetguard FF5825NN Fuel Filter (6 Pack)
Fleetguard$365.344.6★77 rev
Newest
by launch date
LOJYU FF5825NN*3 Secondary Fuel Filter for Cummins X15 ISX15 for Freightliner Cascadia for Kenworth T680 Replaces 5365988 FF5776 BF46129 4 Micron Synthetic Media
LOJYU$60.512 rev

FOCUSFILTER FF5825NN OEM Grade Fuel Filter Fit For Cummins ISX11.9 ISX15.0 QSX11.9 X15 Engines Fits Freightliner Peterbilt Kenworth Trucks Replaces 5599456 DBF6776 5365988 BF46129 WF10515
FOCUSFILTER$24.210 rev

Genuine Fleetguard - Cummins Filtration LF14000NN - FF5825NN - FS19764 Maintenance Filters Kit For Cummins
Fleetguard$142.452 rev

FF5825NN-2 Fuel Filter Fit For Cummins ISX11.9 ISX15.0 QSX11.9 X15 Engines Fit For Freightliner OE FF5825NN 5599456 5365988 DBF6776 BF46129 WF10515 (set of 2)
XIAGONG$56.540 rev

3 Pack FleetG FF5825NN C-5599456 NanoNet Fuel Filter designed for heavy-duty; 5599456; 5365988; DBF6776; BF46129; WF10515; LFF6776XL
FilterMax JMV$140.521 rev
Trending
90-day click momentum
FOCUSFILTER FF5825NN OEM Grade Fuel Filter Fit For Cummins ISX11.9 ISX15.0 QSX11.9 X15 Engines Fits Freightliner Peterbilt Kenworth Trucks Replaces 5599456 DBF6776 5365988 BF46129 WF10515
FOCUSFILTER$24.210.0★

LOJYU FF5825NN*3 Secondary Fuel Filter for Cummins X15 ISX15 for Freightliner Cascadia for Kenworth T680 Replaces 5365988 FF5776 BF46129 4 Micron Synthetic Media
LOJYU$60.514.5★

Fleetguard FF5825NN Fuel Filter Pack of 2 Heavy Duty Diesel Engine
Fleetguard$145.555.0★

OBNES Fuel filter replacement FF5825NN 5599456
OBNES$29.805.0★

Genuine Fleetguard - Cummins Filtration LF14000NN - FF5825NN - FS19764 Maintenance Filters Kit For Cummins
Fleetguard$142.453.5★
What buyers say about ff5825nn
What buyers praise and complain about, mined from review topics.What buyers love
“Nice combo price”
“Good filter”
“feel like they're good quality”
“Fits 2021 Cummins x-15 engine”
What buyers complain about
“They don't fit my truck what a waste”
“Filter leaks”
“Filter leaks”
“Needs better quality seals”
Top return reasons
Common questions
- Is ff5825nn profitable to sell on Amazon United States?
- The niche generates $98K/yr across 19 tracked products. 1 of 6 products launched in the last 360 days are still selling. 90-day search growth is -13.3%. Flapen's verdict: Skip it (46/100).
- How competitive is the ff5825nn niche?
- 12 brands and 27 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in ff5825nn?
- Top complaints mined from reviews: Size-Overall, Filtration, Leak-Proof. The return rate is 0.7%.
- When does demand for ff5825nn peak?
- Demand peaks in Jan; the busiest month runs 2.0× the quietest.
- What does it cost to enter the ff5825nn niche?
- Listings span $24.21–$365.34; the average listing price is $105.57 (sweet spot $15–$100). The average incumbent carries 17 reviews — the moat a new listing must climb.