mercury 10w-30 4-stroke marine oil
Worth a lookShows low returns (0.5%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Avg price
Great$54.81avg listing price — sweet spot $15–$100
Conversion
Great10.5%search→purchase rate — share of searches ending in a sale
Growth
Great+91.7%90-day search growth — must beat 0% to launch
Price range
Great$11.15–$109.54cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good842.57avg incumbent reviews — the moat a new listing must climb
Competition
Okay68%top-5 click share — leaders hold, buyers still browse
Market size
Bad$78K$78K/yr · 14K searches
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, mercury 10w-30 4-stroke marine oil is a $78K/yr Amazon United States market (14K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Oct. Verdict: Worth a look — 52/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
mercury 10w-30 4-stroke marine oil market data
- Units sold / yr
- 2K–3K
- avg 100–250/product
- Revenue / yr
- $110K–$137K
- units × avg price
- Conversion rate
- 10.5%
- Avg BSR
- #287
- Page quality
- 0%
- Prime
- 86%
- Sponsored
- 71%
- Out of stock
- 0.0%
- Avg brand age
- 97 months
- Avg seller age
- 143 days
Competition & brand share
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.Brands
3 flat
Sellers
40
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
68%
Top 20: 100%
Open market
0%
- MERCURY57%
- Quicksilver40%
- Valvoline3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +91.7% search growth over the last 90 days.Peak months: Apr, May, Oct · busiest ÷ quietest = 5.1×
Top mercury 10w-30 4-stroke marine oil 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 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Quicksilver 10W-30 4-Stroke Marine Engine Oil 1 Gallon
Quicksilver$33.514.8★1,371 rev
Mercury 10W-30 4-Stroke Mineral Marine Engine Oil 1 Quart - 8M0078625
MERCURY$17.394.8★176 rev
Mercury 10W-30 4-Stroke Mineral Marine Engine Oil 1 Gallon - 8M0078626
MERCURY$43.674.7★289 rev
Mercury - Mercruiser 92-8M0142151; W 10W30 4-Stroke Synthetic Blend Gallon mp Made by Mercury - Mercruiser
MERCURY$55.364.8★20 rev
Mercury 8M0107510 10W-30 4-Stroke Outboard Oil Change Kit for Mercury 2.1L 75/90/115hp EFI Outboards - 8M0107510
MERCURY$85.534.8★292 rev
Newest
by launch date
Valvoline 4-Stroke Marine Full Synthetic Engine Oil 1 Gallon
Valvoline$32.74812 rev
Mercury - Mercruiser 92-8M0142151; W 10W30 4-Stroke Synthetic Blend Gallon mp Made by Mercury - Mercruiser
MERCURY$55.3620 rev
Mercury 8M0107510 10W-30 4-Stroke Outboard Oil Change Kit for Mercury 2.1L 75/90/115hp EFI Outboards - 8M0107510
MERCURY$85.53292 rev
Quicksilver 10W-30 4-Stroke Synthetic Marine Engine Oil 1 Quart
Quicksilver$14.49471 rev
Quicksilver 10W-30 4-Stroke Synthetic Blend Marine Engine Oil 1 Gallon
Quicksilver$46.10471 rev
Trending
90-day click momentum
MERCURY 10W-30 4-Stroke Full Synthetic Marine Engine Oil 1 Gallon - 8M0173224
MERCURY$81.235.0★
Quicksilver 10W-30 4-Stroke Marine Engine Oil 1 Quart
Quicksilver$11.154.8★
Mercury 8M0081916 25W-40 4-Stroke Outboard Oil Change Kit for Mercury 40/50/60hp EFI Outboards
MERCURY$59.144.8★
Mercury 8M0188357 10W-30 4-Stroke Outboard Oil Change Kit for Mercury and Mariner 150hp Outboards
MERCURY$109.544.7★
Quicksilver 10W-30 4-Stroke Synthetic Marine Engine Oil 1 Quart
Quicksilver$14.494.9★
What buyers say about mercury 10w-30 4-stroke marine oil
What buyers praise and complain about, mined from review topics.What buyers love
“As advertised”
“great quality”
“good value”
“Easy to use”
“No leaks”
“Great price for name brand Outboard motor oil”
“Excellent oil”
“great value, very easy to use and very useful, it came with all accessories needed”
“Filter fit, oil went in, first time I've changed the oil myself, went well”
“which helps maintain cleanliness during the process”
What buyers complain about
“It wouldnt fit”
“Makes me think i received a returned filter from a previous customer”
“Filter Didnt appear to have been used though”
Top return reasons
Common questions
- Is mercury 10w-30 4-stroke marine oil profitable to sell on Amazon United States?
- The niche generates $78K/yr across 14 tracked products. 90-day search growth is +91.7%. Flapen's verdict: Worth a look (52/100).
- How competitive is the mercury 10w-30 4-stroke marine oil niche?
- 3 brands and 40 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in mercury 10w-30 4-stroke marine oil?
- Top complaints mined from reviews: Size-Overall, Product Condition, Filtration. The return rate is 0.5%.
- When does demand for mercury 10w-30 4-stroke marine oil peak?
- Demand peaks in Apr–May–Oct; the busiest month runs 5.1× the quietest.
- What does it cost to enter the mercury 10w-30 4-stroke marine oil niche?
- Listings span $11.15–$109.54; the average listing price is $54.81 (sweet spot $15–$100). The average incumbent carries 843 reviews — the moat a new listing must climb.