mercury fuel filter
Worth a lookShows low returns (1.0%), but a small market ($51K/yr) keeps it on the watch list.
Returns
Incredible1.0%return rate — above 5% kills the launch gate
Growth
Great+98.3%90-day search growth — must beat 0% to launch
Conversion
Great10.0%search→purchase rate — share of searches ending in a sale
Avg price
Great$16.48avg listing price — sweet spot $15–$100
Price range
Great$8.21–$37.38cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good808.06avg incumbent reviews — the moat a new listing must climb
Competition
Bad71%top-5 click share — a locked-up shelf
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Brand share
Bad91%top-5 brand share — brand-locked demand
Market size
Bad$51K$51K/yr · 31K searches
According to Flapen's Amazon United States niche tracking, mercury fuel filter is a $51K/yr Amazon United States market (31K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 53/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
mercury fuel filter market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $49K–$66K
- units × avg price
- Conversion rate
- 10.0%
- Avg BSR
- #400
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 94%
- Out of stock
- 0.0%
- Avg brand age
- 41 months
- Avg seller age
- 149 days
Competition & brand share
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.Brands
10 rising
Sellers
48
Top-5 brand share
91%
Top 20: 100%
Top-5 click share
71%
Top 20: 100%
Open market
7%
- Quicksilver68%
- MERCURY13%
- Tvent3%
- Qonsy3%
- SeaSierra3%
- HTYPX2%
- Open — no brand owns it (4 brands, 7%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +98.3% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 4.5×
Top mercury fuel filter search terms
- mercury fuel filter13K/yr
- mercury outboard fuel filter7K/yr
- mercruiser fuel filter4K/yr
- 35-802893t3K/yr
- quicksilver fuel filter3K/yr
Top mercury fuel filter 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 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Quicksilver 802893Q01 Water Separating Fuel Filter for Mercury and Mariner Outboards MerCruiser Sterndrive and Inboard Engines
Quicksilver$14.084.8★4,370 rev

Quicksilver 879885Q Inline Fuel Filter for Mercury and Mariner Outboards
Quicksilver$15.484.8★2,113 rev

Mercury 802893T Water Separating Fuel Filter for Remote Mount Filter Systems
MERCURY$20.154.8★950 rev

Quicksilver 879884T Cartridge Type Fuel Filter Assembly for Mercury and Mariner Outboards
Quicksilver$17.874.7★1,346 rev

Quicksilver 816296Q2 Marine Engine Inline Fuel Filter with Barbs for 5/16 (8mm) Fuel Lines
Quicksilver$8.214.7★1,614 rev
Newest
by launch date
879885Q In-line Fuel Filter for Mer-cury Mariner Outboards 4-Stroke 75-115 HP 40 50 60 HP 135-300 HP Outboard Engine 35-879885T 35-879885Q 35-879885K #Pack of 2-5/16 Fuel Filter
Hoopne$9.9615 rev

Wetenex 879885Q inline Fuel Filter for Mariner Outboards 4 Stroke 5/16 40 50 60 HP 75-115HP 135-300HP 35-879885T 35-879885Q 35-879885K Pack of 2
Wetenex$11.5811 rev

35-802893Q01 Water Separating Fuel Filter Compatible with Mercury Mariner Outboards MerCruiser Sterndrive & Inboard Engines (2 PCS)
Kefly$19.905 rev

Qonsy 2PCS 879885Q In-line Fuel Filters for Mecury and Mariner 4 Stroke EFI 30-350 HP Outboard Engine 879885T 879885K Sierra 18-7718
Qonsy$13.6215 rev

35-802893t Water Separating Fuel Filter for Mercury Marine 35-807172
HTYPX$12.744 rev
Trending
90-day click momentum
Wetenex 879885Q inline Fuel Filter for Mariner Outboards 4 Stroke 5/16 40 50 60 HP 75-115HP 135-300HP 35-879885T 35-879885Q 35-879885K Pack of 2
Wetenex$11.583.3★

879885Q In-line Fuel Filter for Mer-cury Mariner Outboards 4-Stroke 75-115 HP 40 50 60 HP 135-300 HP Outboard Engine 35-879885T 35-879885Q 35-879885K #Pack of 2-5/16 Fuel Filter
Hoopne$9.964.6★

35-802893Q01 Water Separating Fuel Filter Compatible with Mercury Mariner Outboards MerCruiser Sterndrive & Inboard Engines (2 PCS)
Kefly$19.905.0★

Quicksilver 816296Q2 Marine Engine Inline Fuel Filter with Barbs for 5/16 (8mm) Fuel Lines
Quicksilver$8.214.7★

Qonsy 2PCS 879885Q In-line Fuel Filters for Mecury and Mariner 4 Stroke EFI 30-350 HP Outboard Engine 879885T 879885K Sierra 18-7718
Qonsy$13.624.5★
What buyers say about mercury fuel filter
What buyers praise and complain about, mined from review topics.What buyers love
“Fits well”
“Great price”
“The build quality feels solid”
“product as described”
“Filters work”
“Easy to use and work well”
“Installation was easy”
“Easy replacement for my mercury 4 stroke”
“Worked out great”
“it has not leaked at the seams”
What buyers complain about
“Barbs were too small”
“It is garbage”
“Didn't get what was pictured”
“They are spendy for what it is”
“Not the correct part for Mercury 115 4 stroke”
“For some reason it doesnt separate the water”
“Not correct fit for mercury 60 hp fourstroke”
“They work just as good as OEM except the connections seem slightly thicker and harder to connect and disconnect”
“not as robust as Quicksilver”
“short thus you cannot use the metal guide to keep the screw”
Top return reasons
Common questions
- Is mercury fuel filter profitable to sell on Amazon United States?
- The niche generates $51K/yr across 16 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +98.3%. Flapen's verdict: Worth a look (53/100).
- How competitive is the mercury fuel filter niche?
- 10 brands and 48 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 91% of demand.
- What do buyers complain about in mercury fuel filter?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Advertised Vs Actual Product. The return rate is 1.0%.
- When does demand for mercury fuel filter peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 4.5× the quietest.
- What does it cost to enter the mercury fuel filter niche?
- Listings span $8.21–$37.38; the average listing price is $16.48 (sweet spot $15–$100). The average incumbent carries 808 reviews — the moat a new listing must climb.