dot 5.1 brake fluid
Skip it37/100a small market ($89K/yr) — dot 5.1 brake fluid doesn't clear our bar today.
Market/yr
$89K
Growth (1y)
+141.4%
Products
12
Brands
10
was 13 a year ago
Sellers
91
Price range
$9.52–$29.37
Returns
2.0%
Rating
4.7★
Skip it
Scored 37/100 across market size, growth, competition, quality gap, and returns.
Demand
Weekly Amazon search volume, last 104 weeks — +141.4% year over year.Seasonality
Monthly demand index across the year — 1.00 is average.Peak months: May, Jun · busiest ÷ quietest = 2.8×
Competition
- Finish Line31%
- Motul31%
- Liqui Moly14%
- Bosch6%
- YOUMAYSTORY4%
- SRAM4%
- Other (4 brands)10%
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack. 10 brands and 91 sellers compete here.
Brands
10 falling
was 13 a year ago
Sellers
91
Top 5 brand share
86%
Product shelf
All 12 tracked products in this niche.
Finish Line High Performance DOT 5.1 Bicycle Brake Fluid Premium Low Viscosity Hydraulic Disc Brake Fluid for Superior Lever Response and Consistent Performance 4oz Bottle
Finish Line
$10.204.7★1,282 reviews
Liqui Moly Brake Fluid DOT 5.1 | 250 ml | Brake Fluid | SKU: 20158
Liqui Moly
$9.524.5★142 reviews
Motul DOT 5.1 Synthetic Brake Fluid High Performance Non-Silicone Fluid for ABS ESP & Hydraulic Brake Systems with High Boiling Point Protection 500mL
Motul
$11.304.9★1,951 reviews
Motul DOT 5.1 Synthetic Brake Fluid High Performance Non-Silicone Fluid for ABS ESP & Hydraulic Brake Systems with High Boiling Point Protection 500ml (2 Pack)
Motul
$22.004.9★1,951 reviews
Motul DOT 5.1 Synthetic Brake Fluid High Performance Non-Silicone Fluid for ABS ESP & Hydraulic Brake Systems with High Boiling Point Protection 500ml (3 Pack)
Motul
$29.374.9★1,951 reviews
BOSCH ESI6-32N Low Viscosity Extended Life Brake Fluid - Compatible with All Vehicles Designed to Use DOT 3 DOT 4 and DOT 5.1 Brake Fluids; 1 Quart
Bosch
$19.504.8★3,719 reviews
YOUMAYSTORY Brake Bleed Kit for SRAM Hydraulic Disc Brakes. Bicycle Hydraulic Brake Bleed Kit Including High Performance Brake Fluid DOT 5.1 Oil 60ml
YOUMAYSTORY
$11.234.4★7 reviews
SRAM 5.1 DOT Hydraulic Brake Fluid 4oz
SRAM
$14.254.8★901 reviews
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“As advertised”
“Well rated fluid, driven daily, and no issues, comes in a good size, and my son did a clean job, easy to clean up”
“Good price”
“I have the peace of mind that his brakes work very well”
“Perfect fit”
“Directions were clear with QR code for video”
“Motul DOT 5.1 Synthetic Brake Fluit is the best on the market”
“Brakes are much more comfortable and feel perfect”
“Received everything needed and more”
“Good quality material”
What buyers complain about
“High boiling point”
“This stuff will damage some surfaces like paint or some metals”
“I didn't even look at the directions”
“This is an overpriced small bottle of hydraulic fluid”
“The larger sized container than most may be more than I needed”
Top return reasons
- Leak-Proof25%
- Compatibility-Overall23%
- Value For Money13%
- Size-Overall10%
- Advertised Vs Actual Product8%
- Functionality-Overall4%
- Certifications3%
- Quality-Overall2%
- Material Quality2%
- Product Condition1%