Skip to content

engine oil analysis kit

Skip it40/100

a small market ($34K/yr) — engine oil analysis kit doesn't clear our bar today.

Market/yr

$34K

Growth (1y)

+123.3%

Products

13

Brands

8

was 8 a year ago

Sellers

20

Price range

$22.52–$86.72

Returns

1.3%

Rating

4.3★

40/100

Skip it

Scored 40/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
2
×0.30
Growth
68
×0.30
Competition
24
×0.20
Quality gap
58
×0.10
Returns
90
×0.10

Demand

Weekly Amazon search volume, last 88 weeks — +123.3% year over year.
993496.5Holiday '24Spike '25Spike '26Nov '24Feb '25May '25Aug '25Nov '25Mar '26

Seasonality

Monthly demand index across the year — 1.00 is average.

No pronounced peak months · busiest ÷ quietest = 1.4×

Competition

49%Under My Hood
  • Under My Hood49%
  • Wix23%
  • RALBIL7%
  • KAISAL7%
  • THE FRYOILSAVER COMPANY6%
  • LUBEFLEX4%
  • Other (2 brands)6%

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack. 8 brands and 20 sellers compete here.

Brands

8 flat

was 8 a year ago

Sellers

20

Top 5 brand share

91%

#ProductBrandPriceRatingReviewsClick shareTrend
2Wix$24.874.0★21620%falling
11Bartovation$29.684.4★363%flat

Product shelf

All 13 tracked products in this niche.

Reviews

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

What buyers love

Quality-Overall17%

“Good quality built device”

Ease Of Use16%

“Easy to use”

Efficiency9%

“Works good so far”

Measurement/Reading Accuracy6%

“The readings are accurate”

Value For Money5%

“The price seems fair”

Advertised Vs Actual Product4%

“It does what it claims”

Strength4%

“The build feels solid”

Filtration3%

“new good quality filter”

Safety Standards3%

“Its the safety of yourself”

Pureness3%

“But it gave me the same 100%”

What buyers complain about

Quality-Overall14%

“QUALITY CONTROL MUST HAVE BEEN OFF THAT DAY”

Measurement/Reading Accuracy13%

“It is hard to tell the accuracy. yet”

Size-Overall7%

“won't fit in”

Advertised Vs Actual Product7%

“Would have been helpful to learn this in the description”

Thickness3%

“shear out to be thinner”

Battery Life3%

“as the batteries kept popping out”

Ease Of Cleaning2%

“Difficult to remove probe from dipstick tube also”

Value For Money2%

“rates it not acceptable at 30%”

Functionality-Overall2%

“Not working”

Smell2%

“It smelled mostly like oil”

Top return reasons

  • Size-Overall25%
  • Advertised Vs Actual Product16%
  • Compatibility-Overall13%
  • Measurement/Reading Accuracy11%
  • Value For Money10%
  • Functionality-Overall10%
  • Maintenance And Repair3%
  • Defective Material/Parts3%
  • Durability3%
  • Quality-Overall3%

Data scraped July 9, 2026 · Marketplace baseline: 4.4★ avg rating · $22.74 median price · 2.2% median returns across 13,649 tracked niches.