Generator Oil
FailThe top 5 products take 100% of clicks, so Generator Oil is a Fail.
- Flapen Score
- 44 / 100Ranks 7,439 of 8,839 Patio, Lawn & Garden niches · −12 vs the category median of 5644
- Market size
- $238K/yr209K searches / yr
- 90-day growth
- +41.2%search demand this quarter
- Competition
- 100%top-5 click share · 5 brands · 25 sellers
Flapen Score
Generator Oil against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Generator Oil is stronger. Inside it, weaker.
Market
The Generator Oil market on Amazon at a glance
Shoppers on Amazon United States searched for Generator Oil 209K times last year and spent an estimated $238K. All 5 brands take every click. Demand peaks in Apr–Jul–Aug–Sep–Oct. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 6.9% of those searches ended in a purchase.
Shoppers searched for this 209K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.9% of those searches ended in a purchase. Searches in the last 90 days moved +41.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $238K a year.
- Searches, last 12 months
- 209K
- Growth, 90 days vs prior 90
- +41.2%
- Conversion, latest week
- 6.9%
- Market size, estimated
- $238Ka year
- Peak month
- August4.4× the quietest month
- Top search term
- lawn mower oil62K searches a year
02 · Price
A sale here is worth $16.44.
Listings sell for $16.44 on average, from $6.42 to $33.55. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 2,500 to 3,000 of them. At $16.44 that is $41K to $49K a year per listing.
- Average price
- $16.44inside the $15 to $100 sweet spot
- Price range
- $6.42–$33.55
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 15K–20K
- Units per listing a year
- 2,500–3,000
- Revenue per listing a year
- $41K–$49K
- Returns
- 0.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
60% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #29 within Four-Stroke Engine Oil. It carries 1,755 reviews at 4.80 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 60%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #29in Four-Stroke Engine Oil
- Average rating
- 4.80 starsAmazon United States average 4.42 stars
- Average reviews
- 1,755per listing
- Listings tracked
- 5
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 96 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 96 months
Products
Top Generator Oil products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 16, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
STP Premium Synthetic Blend 4 Cycle Small Engine Oil SAE 10w30 Motor Oil for Lawnmowers Generators Tractors Snow Blowers and More 32 fl oz
- Price
- $11.09
- Rating
- 4.8/5
- Reviews
- 3,472
- Age
- 7y ago

Pennzoil 10W-30 Motor Oil 1 Quart
- Price
- $6.42
- Rating
- 4.8/5
- Reviews
- 4,340
- Age
- 19y ago

VP Racing Fuels 2927 4-Cycle Engine Oil - SAE 30 / 10W30 Full Synthetic Small Engine Oil 18 Ounce (1 Pack)
- Price
- $7.00
- Rating
- 4.8/5
- Reviews
- 195
- Age
- 2y ago

TRIAX Power 4-Stroke SAE 30W Full Synthetic 4 Cycle Small Engine Motor Oil | For Lawnmower Generator Tractor Log Splitter Snow Blower Pressure Washer Cement Mixer and More (1 Gallon)
- Price
- $33.55
- Rating
- 4.8/5
- Reviews
- 539
- Age
- 6y ago

Briggs and Stratton (Pack of 2) 100005 SAE 30 Engine Oil 18oz Bottle and Fuel Treatment
- Price
- $24.15
- Rating
- 4.8/5
- Reviews
- 230
- Age
- 4y ago
Trending
estimated 90-day click momentum
Briggs and Stratton (Pack of 2) 100005 SAE 30 Engine Oil 18oz Bottle and Fuel Treatment
- Price
- $24.15
- Rating
- 4.8/5
- Reviews
- 230
- Age
- 4y ago

TRIAX Power 4-Stroke SAE 30W Full Synthetic 4 Cycle Small Engine Motor Oil | For Lawnmower Generator Tractor Log Splitter Snow Blower Pressure Washer Cement Mixer and More (1 Gallon)
- Price
- $33.55
- Rating
- 4.8/5
- Reviews
- 539
- Age
- 6y ago

Pennzoil 10W-30 Motor Oil 1 Quart
- Price
- $6.42
- Rating
- 4.8/5
- Reviews
- 4,340
- Age
- 19y ago

STP Premium Synthetic Blend 4 Cycle Small Engine Oil SAE 10w30 Motor Oil for Lawnmowers Generators Tractors Snow Blowers and More 32 fl oz
- Price
- $11.09
- Rating
- 4.8/5
- Reviews
- 3,472
- Age
- 7y ago

VP Racing Fuels 2927 4-Cycle Engine Oil - SAE 30 / 10W30 Full Synthetic Small Engine Oil 18 Ounce (1 Pack)
- Price
- $7.00
- Rating
- 4.8/5
- Reviews
- 195
- Age
- 2y ago
Newest
by launch date
VP Racing Fuels 2927 4-Cycle Engine Oil - SAE 30 / 10W30 Full Synthetic Small Engine Oil 18 Ounce (1 Pack)
- Price
- $7.00
- Rating
- 4.8/5
- Reviews
- 195
- Age
- 2y ago

Briggs and Stratton (Pack of 2) 100005 SAE 30 Engine Oil 18oz Bottle and Fuel Treatment
- Price
- $24.15
- Rating
- 4.8/5
- Reviews
- 230
- Age
- 4y ago

TRIAX Power 4-Stroke SAE 30W Full Synthetic 4 Cycle Small Engine Motor Oil | For Lawnmower Generator Tractor Log Splitter Snow Blower Pressure Washer Cement Mixer and More (1 Gallon)
- Price
- $33.55
- Rating
- 4.8/5
- Reviews
- 539
- Age
- 6y ago

STP Premium Synthetic Blend 4 Cycle Small Engine Oil SAE 10w30 Motor Oil for Lawnmowers Generators Tractors Snow Blowers and More 32 fl oz
- Price
- $11.09
- Rating
- 4.8/5
- Reviews
- 3,472
- Age
- 7y ago

Pennzoil 10W-30 Motor Oil 1 Quart
- Price
- $6.42
- Rating
- 4.8/5
- Reviews
- 4,340
- Age
- 19y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 100% of clicks. A locked shelf that new listings rarely crack.
Brands
5 falling
Sellers
25
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
100%
Top 20: 100%
Open market
0%
- STP69%
- Pennzoil10%
- VP Racing10%
- Triax7%
- Briggs & Stratton5%
- Open — no brand owns it (0%)
Demand
Generator Oil search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr, Jul, Aug, Sep, Oct · busiest ÷ quietest = 4.4×
Search terms
Top Generator Oil search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- lawn mower oil62K/yr
- small engine oil39K/yr
- lawnmower oil17K/yr
- 4 cycle engine oil 10w-3011K/yr
- 4 cycle engine oil16K/yr
- mower oil8K/yr
- generator oil14K/yr
- oil for lawn mower6K/yr
- lawn mower engine oil6K/yr
- 4 stroke oil8K/yr
Reviews and returns
What reviews say buyers love and hate about Generator Oil
We read the reviews and the return reasons for every product selling here.
“Small engine oil”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
15 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Generator Oil questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









