coolant refractometer
Skip it46/100a small market ($169K/yr) — coolant refractometer doesn't clear our bar today.
Market/yr
$169K
Growth (1y)
+218.9%
Products
18
Brands
15
was 13 a year ago
Sellers
60
Price range
$11.18–$139.04
Returns
1.5%
Rating
4.5★
Skip it
Scored 46/100 across market size, growth, competition, quality gap, and returns.
Demand
Weekly Amazon search volume, last 35 weeks — +218.9% year over year.Competition
- aichose50%
- TRZ12%
- Performance Tool6%
- OTC5%
- AMTAST4%
- Anbachi4%
- Other (9 brands)20%
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them. 15 brands and 60 sellers compete here.
Brands
15 rising
was 13 a year ago
Sellers
60
Top 5 brand share
77%
Product shelf
All 18 tracked products in this niche.
4-in-1 DEF Antifreeze Coolant Refractometer for Automobile Antifreeze System Diesel Exhaust Fluid Battery Acid and Windshield Washer Fluid
aichose
$21.474.6★1,345 reviews
DEF Refractometer for Measuring Diesel Exhaust Fluid Concentration of Diesel Engines
aichose
$23.674.6★731 reviews
TRZ 4-in-1 Antifreeze Refractometer Ethylene Glycol Propylene Glycol in Antifreeze Freezing Point Temperature and Concentration AdBlue DEF and Industrial Battery Fluid
TRZ
$22.324.6★460 reviews
3-in-1 Antifreeze Tester in Fahrenheit Scale for Checking Freezing Point and Concentration of Ethylene Glycol or Propylene Glycol Based Automobile Antifreeze Coolant Also for Battery Acid Condition
aichose
$21.564.6★297 reviews
OTC 5025 Diesel Exhaust Fluid (DEF) Refractometer Kit - Includes Refractometer Dropper Lens Wipe Cloth Instructions and Quick Start Guide Screwdriver and Case
OTC
$117.694.8★356 reviews
Performance Tool W16500 Professional DEF Tester (Disc Type DEF Diesel Exhaust Fluid tester)
Performance Tool
$16.394.2★326 reviews
AMTAST DEF Refractometer 0-40% AdBlue Diesel Exhaust Fluid Urea Concentration Refractometer Hand Held Refractometer with ATC for Automotive Diesel Made of Copper Not Cheap Aluminum (Model AMR001)
AMTAST
$25.574.6★174 reviews
Urea and DEF Tester - Refractometer Digital Tester that Measures Accurately and Quickly - The Best Choice for Your Diesel Vehicle - Limited Time Offer
Anbachi
$117.644.1★38 reviews
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to use”
“Works great”
“good value”
“Good product”
“It works as advertised”
“the instructions are clear”
“Easy to operate an clean”
“An accurate easy-to-use device that makes it simple o check the strength of underhood fluids”
“it seems to be working great only wish they would have a freeze try to go along with it”
“I expect it to last a long time”
What buyers complain about
“box are very cheap”
“Others have found the instructions to be clear”
“your vehicle gets shut down”
“The readings are not standard and has no Celsius label. Not a standard refractometer”
“Carry Case hard to open”
“May have been a return”
“But in this case the protective plastic was around the display”
Top return reasons
- Functionality-Overall16%
- Advertised Vs Actual Product13%
- Value For Money10%
- Measurement/Reading Accuracy10%
- Compatibility-Overall8%
- Defective Material/Parts7%
- Instructions/User Manual/Troubleshooting6%
- Display-Overall6%
- Product Condition5%
- Connectivity-Overall4%