marine oil
Worth a lookShows low returns (0.1%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Incredible14.5%search→purchase rate — share of searches ending in a sale
Growth
Incredible+118.0%90-day search growth — must beat 0% to launch
Avg price
Great$91.86avg listing price — sweet spot $15–$100
Market size
Good$418K$418K/yr · 31K searches
Review moat
Good1,257.5avg incumbent reviews — the moat a new listing must climb
Price range
Okay$24.92–$194.80cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad89%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, marine oil is a $418K/yr Amazon United States market (31K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Sep–Oct. Verdict: Worth a look — 54/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
marine oil market data
- Units sold / yr
- 3K–4K
- avg 250–500/product
- Revenue / yr
- $276K–$367K
- units × avg price
- Conversion rate
- 14.5%
- Avg BSR
- #2,821
- Page quality
- 0%
- Prime
- 50%
- Sponsored
- 75%
- Out of stock
- 0.0%
- Avg brand age
- 110 months
- Avg seller age
- 163 days
Competition & brand share
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
23
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
89%
Top 20: 100%
Open market
0%
- Johnson Evinrude OMC80%
- Evinrude Johnson13%
- Reebok4%
- Johnson3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +118.0% search growth over the last 90 days.Peak months: Apr, May, Jun, Sep, Oct · busiest ÷ quietest = 4.5×
Top marine oil search terms
- xd100 evinrude oil14K/yr
- evinrude oil3K/yr
- evinrude 2 stroke outboard oil7K/yr
- xd1003K/yr
- xd 100 evinrude oil3K/yr
- evinrude xd1002K/yr
Top 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 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Evinrude XPS Marine XD100 E-TEC Synthetic Formula Direct Injection Engine Oil 1 Gallon Jug
Johnson Evinrude OMC$67.884.9★723 rev

Johnson Evinrude/OMC OEM XPS Marine XD100 Oil Gallon 0779711 779711 0764357
Evinrude Johnson$67.874.7★393 rev

Johnson Evinrude/OMC XPS Marine XD100 Oil Gallon 3 Pack 779711 0779711 0764357
Johnson Evinrude OMC$194.804.7★151 rev

Johnson Evinrude/OMC XPS Marine XD100 Oil Gallon 3 Pack 779711 0779711 0764357
Johnson Evinrude OMC$167.434.9★868 rev

Johnson Evinrude OMC OEM 779711-P
Johnson Evinrude OMC$59.704.8★329 rev
Newest
by launch date
Reebok Club C 85 Mens Tennis Shoes Casual Fashion White Sneakers for Men Footwear White/Footwear White/Core Black 13
Reebok$76.787,515 rev

Johnson Evinrude OMC New OEM XD100 Synthetic Injection Oil Quart 765146 779710
Johnson Evinrude OMC$24.9253 rev

Evinrude XPS Marine XD100 E-TEC Synthetic Formula Direct Injection Engine Oil 1 Gallon Jug
Johnson Evinrude OMC$67.88723 rev

Johnson Evinrude/OMC XPS Marine XD100 Oil Gallon 3 Pack 779711 0779711 0764357
Johnson Evinrude OMC$167.43868 rev

Johnson Evinrude/OMC XPS Marine XD100 Oil Gallon 3 Pack 779711 0779711 0764357
Johnson Evinrude OMC$194.80151 rev
Trending
90-day click momentum
Reebok Club C 85 Mens Tennis Shoes Casual Fashion White Sneakers for Men Footwear White/Footwear White/Core Black 13
Reebok$76.784.6★

Johnson Evinrude/OMC XPS Marine XD100 Oil Gallon 3 Pack 779711 0779711 0764357
Johnson Evinrude OMC$194.804.7★

Johnson Evinrude/OMC OEM XPS Marine XD100 Oil Gallon 0779711 779711 0764357
Evinrude Johnson$67.874.7★

Evinrude XPS Marine XD100 E-TEC Synthetic Formula Direct Injection Engine Oil 1 Gallon Jug
Johnson Evinrude OMC$67.884.9★

Johnson Evinrude OMC New OEM XD100 Synthetic Injection Oil Quart 765146 779710
Johnson Evinrude OMC$24.924.7★
What buyers say about marine oil
What buyers praise and complain about, mined from review topics.What buyers love
“Decent price considering it includes shipping”
“Product as described”
“Quality oil”
What buyers complain about
“has become WAAAy to expensive”
“there is no scale on the side of the jug to tell how much you have in there or have put in the tank”
Top return reasons
Common questions
- Is marine oil profitable to sell on Amazon United States?
- The niche generates $418K/yr across 8 tracked products. 90-day search growth is +118.0%. Flapen's verdict: Worth a look (54/100).
- How competitive is the marine oil niche?
- 4 brands and 23 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in marine oil?
- Top complaints mined from reviews: Value For Money, Measurement/Reading Accuracy. The return rate is 0.1%.
- When does demand for marine oil peak?
- Demand peaks in Apr–May–Jun–Sep–Oct; the busiest month runs 4.5× the quietest.
- What does it cost to enter the marine oil niche?
- Listings span $24.92–$194.80; the average listing price is $91.86 (sweet spot $15–$100). The average incumbent carries 1,258 reviews — the moat a new listing must climb.