Starting Fluid
FailThe top 5 brands take 97% of clicks, so Starting Fluid is a Fail.
- Flapen Score
- 48 / 100Ranks 3,828 of 7,287 Automotive niches · −1 vs the category median of 4948
- Market size
- $710K/yr286K searches / yr
- 90-day growth
- +3.1%search demand this quarter
- Competition
- 86%top-5 click share · 6 brands · 68 sellers
Flapen Score
Starting Fluid against its category
The dotted line is the Automotive average. Past it, Starting Fluid is stronger. Inside it, weaker.
Market
The Starting Fluid market on Amazon at a glance
Shoppers on Amazon United States searched for Starting Fluid 286K times last year and spent an estimated $710K. The top 5 brands take 97% of clicks. Demand peaks in Apr–May. Flapen scores it 48 out of 100, a Fail.
01 · Demand
An estimated 12.8% of those searches ended in a purchase.
Shoppers searched for this 286K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.8% of those searches ended in a purchase. Searches in the last 90 days moved +3.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $710K a year.
- Searches, last 12 months
- 286K
- Growth, 90 days vs prior 90
- +3.1%
- Conversion, latest week
- 12.8%
- Market size, estimated
- $710Ka year
- Peak month
- April1.6× the quietest month
- Top search term
- starting fluid119K searches a year
02 · Price
A sale here is worth $19.34.
Listings sell for $19.34 on average, from $5.28 to $41.04. Amazon reports units sold in ranges. This niche sold 50K to 60K a year. The average listing sells 5,000 to 6,000 of them. At $19.34 that is $97K to $116K a year per listing.
- Average price
- $19.34inside the $15 to $100 sweet spot
- Price range
- $5.28–$41.04
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 50K–60K
- Units per listing a year
- 5,000–6,000
- Revenue per listing a year
- $97K–$116K
- Returns
- 0.2%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
89% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 2.1% of listings are out of stock. The average listing ranks #38 within Oils & Fluids. It carries 2,162 reviews at 4.74 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 89%
- Prime listings
- 100%
- Out of stock, average day
- 2.1%
- Average rank
- #38in Oils & Fluids
- Average rating
- 4.74 starsAmazon United States average 4.42 stars
- Average reviews
- 2,162per listing
- Listings tracked
- 9
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 104 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 104 months
Products
Top Starting Fluid 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 9, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
STA-BIL Starting Fluid - Prolongs Starter Life - Upper Cylinder Lube - for Gasoline and Diesel Engines - Guaranteed Faster Starts Down to -65F 11 oz (22004)
- Price
- $5.28
- Rating
- 4.7/5
- Reviews
- 3,607
- Age
- 11y ago

Valvoline Starting Fluid with Upper Cylinder Lubricant Fast Engine Start Formula Effective in Extreme Cold and Humid Conditions Reduces Wear 11oz
- Price
- $13.26
- Rating
- 4.8/5
- Reviews
- 78
- Age
- 14y ago

Gumout 5072866 Starting Fluid - 11 oz.
- Price
- $5.68
- Rating
- 4.8/5
- Reviews
- 4,034
- Age
- 19y ago

Lucas Oil 11238 Sure Start Premium Starting Fluid - 10.7 Ounce
- Price
- $8.34
- Rating
- 4.7/5
- Reviews
- 299
- Age
- 4y ago

STA-BIL Starting Fluid - Prolongs Starter Life - Upper Cylinder Lube - for Gasoline and Diesel Engines - Guaranteed Faster Starts Down to -65F (22004) 11 Fl Oz (Pack of 6) - Packaging May Vary
- Price
- $30.11
- Rating
- 4.7/5
- Reviews
- 3,607
- Age
- 6y ago
Trending
estimated 90-day click momentum
MPD Pro Starter Starting Fluid Spray Premium 50% Ether Formula for Fast Cold Starts Works to -65F Gas & Diesel Engines Upper Cylinder Lubrication 10.7 oz (1-Pack)
- Price
- $20.18
- Rating
- 5.0/5
- Reviews
- 4
- Age
- 5mo ago

Valvoline Starting Fluid with Upper Cylinder Lubricant Fast Engine Start Formula Effective in Extreme Cold and Humid Conditions Reduces Wear 11oz
- Price
- $13.26
- Rating
- 4.8/5
- Reviews
- 78
- Age
- 14y ago

STA-BIL Starting Fluid - Prolongs Starter Life - Upper Cylinder Lube - for Gasoline and Diesel Engines - Guaranteed Faster Starts Down to -65F 11 oz (22004)
- Price
- $5.28
- Rating
- 4.7/5
- Reviews
- 3,607
- Age
- 11y ago

Lucas Oil 11238 Sure Start Premium Starting Fluid - 10.7 Ounce
- Price
- $8.34
- Rating
- 4.7/5
- Reviews
- 299
- Age
- 4y ago

STA-BIL Fast Fix Small Engine Treatment 8 oz Treats 20 Gallons Fixes Rough Running Engines Carburetor & Fuel Injector Cleaner Removes Water For Lawn Mowers & Small Engines
- Price
- $9.59
- Rating
- 4.6/5
- Reviews
- 6,737
- Age
- 6y ago
Newest
by launch date
MPD Pro Starter Starting Fluid Spray Premium 50% Ether Formula for Fast Cold Starts Works to -65F Gas & Diesel Engines Upper Cylinder Lubrication 10.7 oz (1-Pack)
- Price
- $20.18
- Rating
- 5.0/5
- Reviews
- 4
- Age
- 5mo ago

Lucas Oil 11238 Sure Start Premium Starting Fluid - 10.7 Ounce
- Price
- $8.34
- Rating
- 4.7/5
- Reviews
- 299
- Age
- 4y ago

STA-BIL Fast Fix Small Engine Treatment 8 oz Treats 20 Gallons Fixes Rough Running Engines Carburetor & Fuel Injector Cleaner Removes Water For Lawn Mowers & Small Engines
- Price
- $9.59
- Rating
- 4.6/5
- Reviews
- 6,737
- Age
- 6y ago

STA-BIL Starting Fluid - Prolongs Starter Life - Upper Cylinder Lube - for Gasoline and Diesel Engines - Guaranteed Faster Starts Down to -65F (22004) 11 Fl Oz (Pack of 6) - Packaging May Vary
- Price
- $30.11
- Rating
- 4.7/5
- Reviews
- 3,607
- Age
- 6y ago

STA-BIL Starting Fluid - Prolongs Starter Life - Upper Cylinder Lube - for Gasoline and Diesel Engines - Guaranteed Faster Starts Down to -65F 11 oz (22004)
- Price
- $5.28
- Rating
- 4.7/5
- Reviews
- 3,607
- Age
- 11y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 86% of clicks. A locked shelf that new listings rarely crack.
Brands
6 rising
Sellers
68
Est. top-5 brand share
97%
Top 20: 100%
Est. top-5 click share
86%
Top 20: 100%
Open market
0%
- STA-BIL59%
- Valvoline15%
- Gumout9%
- Johnsen's8%
- Lucas Oil6%
- MPD3%
- Open — no brand owns it (0%)
Demand
Starting Fluid search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr, May · busiest ÷ quietest = 1.6×
Search terms
Top Starting Fluid search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- starting fluid119K/yr
- starter fluid73K/yr
- starting fluid spray49K/yr
- starter fluid spray19K/yr
- lawn mower starter fluid2K/yr
- engine starter fluid spray6K/yr
- ether starting fluid4K/yr
- engine starting fluid3K/yr
- starting fluid case 12 pack3K/yr
- starting fluid spray can3K/yr
Reviews and returns
What reviews say buyers love and hate about Starting Fluid
We read the reviews and the return reasons for every product selling here.
“Didnt quite work for my case”
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.
17 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 Starting Fluid 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









