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dot 4 brake fluid motorcycle

Skip it34/100

a small market ($68K/yr) — dot 4 brake fluid motorcycle doesn't clear our bar today.

Market/yr

$68K

Growth (1y)

+121.7%

Products

10

Brands

8

was 9 a year ago

Sellers

91

Price range

$5.68–$36.05

Returns

1.0%

Rating

4.8★

34/100

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Scored 34/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
3
×0.30
Growth
68
×0.30
Competition
10
×0.20
Quality gap
20
×0.10
Returns
92
×0.10

Demand

Weekly Amazon search volume, last 104 weeks — +121.7% year over year.
1K510Spike '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

Seasonality

Monthly demand index across the year — 1.00 is average.

Peak months: Apr, May · busiest ÷ quietest = 2.8×

Competition

37%STP
  • STP37%
  • Valvoline25%
  • Motul17%
  • Maxima8%
  • Quicksilver5%
  • Lucas Oil3%
  • Other (2 brands)6%

The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack. 8 brands and 91 sellers compete here.

Brands

8 falling

was 9 a year ago

Sellers

91

Top 5 brand share

91%

Product shelf

All 10 tracked products in this niche.

Reviews

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

What buyers love

Quality-Overall31%

“Nice quality and easy to use”

Value For Money23%

“Good value”

Advertised Vs Actual Product18%

“As advertised”

Efficiency7%

“Brake fluid works great”

Lubrication5%

“Excellent replacement brake fluid”

Ease Of Use4%

“this is easy to use”

Size-Overall3%

“BOTTLE SIZE WAS GOOD VALUE VERY VERSATILE”

Durability2%

“It certainly made breaking more firmly and responsibly”

Pressure2%

“consistent hydraulic pressure”

Friction2%

“Excellent brake fluid”

What buyers complain about

Value For Money35%

“better price”

Quality-Overall13%

“Bad brake fluid quality”

Durability13%

“broke”

Hard Feel6%

“It used to be instant hard”

Size-Overall6%

“Tiny bottle”

Ease Of Cleaning6%

“Brake fluid must be kept clean with no dust or particles contaminating fluid which could lead to braking issues”

Defective Material/Parts6%

“Defective No screw on top just foil”

Top return reasons

  • Compatibility-Overall34%
  • Value For Money21%
  • Leak-Proof11%
  • Functionality-Overall7%
  • Size-Overall4%
  • Defective Material/Parts4%
  • Advertised Vs Actual Product3%
  • Assembly/Installation2%
  • Product Condition2%
  • Color1%

Data scraped July 9, 2026 · Marketplace baseline: 4.4★ avg rating · $22.79 median price · 2.2% median returns across 14,944 tracked niches.