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green coolant

Skip it43/100

a small market ($93K/yr) — green coolant doesn't clear our bar today.

Market/yr

$93K

Growth (1y)

+306.0%

Products

16

Brands

8

was 9 a year ago

Sellers

58

Price range

$13.18–$69.70

Returns

1.4%

Rating

4.8★

43/100

Skip it

Scored 43/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
5
×0.30
Growth
86
×0.30
Competition
24
×0.20
Quality gap
20
×0.10
Returns
89
×0.10

Demand

Weekly Amazon search volume, last 53 weeks — +306.0% year over year.
2K1KSpike '25Spike '26Jul '25Aug '25Oct '25Dec '25Feb '26Apr '26Jun '26

Seasonality

Monthly demand index across the year — 1.00 is average.

Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 3.8×

Competition

53%Zerex
  • Zerex53%
  • BMW15%
  • MINI13%
  • PEAK7%
  • ULTRA 1PLUS4%
  • Prestone4%
  • Other (2 brands)5%

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack. 8 brands and 58 sellers compete here.

Brands

8 falling

was 9 a year ago

Sellers

58

Top 5 brand share

91%

#ProductBrandPriceRatingReviewsClick shareTrend
3BMW$35.804.8★2,87315%falling

Product shelf

All 16 tracked products in this niche.

Reviews

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall24%

“Good product, as described”

Advertised Vs Actual Product21%

“As advertised”

Value For Money21%

“Good price”

Coolant13%

“Good deal on a BMW coolant”

Efficiency8%

“It works great”

Color4%

“Blue color as pictured”

Instructions/User Manual/Troubleshooting2%

“that is why I read the instructions so far so good”

Adhesion/Stickiness1%

“I highly recommend sticking with original factory parts”

Ease Of Cleaning1%

“Works and is clean”

Ease Of Use1%

“Easy to use”

What buyers complain about

Leak-Proof21%

“Recently my 2018 BMW X3 starting to have Engine Coolant leaks”

Coolant17%

“all my coolant drained out”

Compatibility-Overall14%

“this product does not work for my 98 Toyota rav4 like Amazon stated”

Color14%

“it turned brown”

Quality-Overall7%

“Garbage”

Value For Money4%

“However, the price feels a bit high for what it is, and the packaging could be improved”

Top return reasons

  • Coolant34%
  • Compatibility-Overall18%
  • Color12%
  • Value For Money12%
  • Leak-Proof10%
  • Advertised Vs Actual Product6%
  • Functionality-Overall1%
  • Size-Overall1%
  • Defective Material/Parts1%
  • Product Condition1%

Data scraped July 9, 2026 · Marketplace baseline: 4.4★ avg rating · $22.80 median price · 2.2% median returns across 15,038 tracked niches.