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engine carbon cleaner

Skip it42/100

a small market ($142K/yr) — engine carbon cleaner doesn't clear our bar today.

Market/yr

$142K

Growth (1y)

+146.7%

Products

16

Brands

6

was 10 a year ago

Sellers

93

Price range

$9.87–$93.58

Returns

0.6%

Rating

4.6★

42/100

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Scored 42/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
7
×0.30
Growth
70
×0.30
Competition
29
×0.20
Quality gap
31
×0.10
Returns
95
×0.10

Demand

Weekly Amazon search volume, last 101 weeks — +146.7% year over year.
3K2KSpike '24Spike '25Spike '26Aug '24Nov '24Mar '25Jul '25Oct '25Feb '26

Seasonality

Monthly demand index across the year — 1.00 is average.

Peak months: Oct, Nov · busiest ÷ quietest = 1.8×

Competition

44%Bore Tech
  • Bore Tech44%
  • Liqui Moly30%
  • Slip200017%
  • MotorPower Care5%
  • CRC2%
  • Triax2%

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack. 6 brands and 93 sellers compete here.

Brands

6 falling

was 10 a year ago

Sellers

93

Top 5 brand share

98%

#ProductBrandPriceRatingReviewsClick shareTrend
1Bore Tech$24.064.8★34532%rising
3Bore Tech$42.164.9★4279%falling
4Slip2000$21.424.4★7467%falling
6Liqui Moly$93.584.7★4,2825%rising
8Liqui Moly$15.750.0★03%rising
10CRC$18.354.6★1,8022%flat
11Liqui Moly$42.874.5★752%rising
14Bore Tech$23.434.7★3052%flat
15Bore Tech$23.694.8★4702%falling

Product shelf

All 16 tracked products in this niche.

Reviews

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

What buyers love

Efficiency19%

“It works great”

Quality-Overall17%

“Excellent Product”

Ease Of Cleaning11%

“Best cleaner”

Value For Money9%

“Good price”

Advertised Vs Actual Product9%

“As advertised”

Fuel Efficiency5%

“gets great gas mileage”

Ease Of Use4%

“Easy to use”

Smell3%

“smells great”

Lubrication2%

“Filled with Fresh oil and filter, and I also used some ProLube oil treatment, and have amazing oil pressure and have no issues anymore”

Carbon Footprint2%

“Excellent bore safe carbon removed”

What buyers complain about

Functionality-Overall24%

“Did not work”

Value For Money11%

“it is expensive”

Compatibility-Overall7%

“Did not work for a 2002 Toyota sienna”

Ease Of Use5%

“Tough to open”

Leak-Proof4%

“The liquid got everywhere”

Maintenance And Repair4%

“still needs maintenance”

Smell3%

“Is also very stinky”

Ease Of Cleaning3%

“still not clean”

Lubrication3%

“I mistakenly used an oil addative to my engine”

Quality-Overall3%

“Their product is no good”

Top return reasons

  • Leak-Proof26%
  • Functionality-Overall15%
  • Advertised Vs Actual Product9%
  • Compatibility-Overall9%
  • Value For Money9%
  • Carbon Footprint6%
  • Defective Material/Parts5%
  • Size-Overall4%
  • Ease Of Cleaning2%
  • Instructions/User Manual/Troubleshooting2%

Data scraped July 9, 2026 · Marketplace baseline: 4.4★ avg rating · $22.66 median price · 2.2% median returns across 14,418 tracked niches.