Antifreeze Tester
MaybeAn estimated 1.5% of orders come back. But demand is soft, at -37.5% this quarter, so Antifreeze Tester is a Maybe.
- Flapen Score
- 55 / 100Top 23% of 7,287 Automotive niches · +6 vs the category median of 4955
- Market size
- $198K/yr161K searches / yr
- 90-day growth
- -37.5%search demand this quarter
- Competition
- 51%top-5 click share · 28 brands · 81 sellers
Flapen Score
Antifreeze Tester against its category
The dotted line is the Automotive average. Past it, Antifreeze Tester is stronger. Inside it, weaker.
Market
The Antifreeze Tester market on Amazon at a glance
Shoppers on Amazon United States searched for Antifreeze Tester 161K times last year and spent an estimated $198K. The top 5 brands take 57% of clicks. Demand peaks in Jan–Oct–Nov–Dec. Flapen scores it 55 out of 100, a Maybe.
01 · Demand
An estimated 7.9% of those searches ended in a purchase.
Shoppers searched for this 161K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.9% of those searches ended in a purchase. Searches in the last 90 days moved -37.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $198K a year.
- Searches, last 12 months
- 161K
- Growth, 90 days vs prior 90
- -37.5%
- Conversion, latest week
- 7.9%
- Market size, estimated
- $198Ka year
- Peak month
- November3.5× the quietest month
- Top search term
- coolant tester51K searches a year
02 · Price
A sale here is worth $15.62.
Listings sell for $15.62 on average, from $4.29 to $139.04. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 500 to 750 of them. At $15.62 that is $8K to $12K a year per listing.
- Average price
- $15.62inside the $15 to $100 sweet spot
- Price range
- $4.29–$139.04
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 15K–20K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $8K–$12K
- Returns
- 1.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
47% of listings pay for placement with sponsored ads. 97% ship with Prime. On an average day, 1.7% of listings are out of stock. The average listing ranks #246 within Oils & Fluids. It carries 411 reviews at 4.47 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 47%
- Prime listings
- 97%
- Out of stock, average day
- 1.7%
- Average rank
- #246in Oils & Fluids
- Average rating
- 4.47 starsAmazon United States average 4.42 stars
- Average reviews
- 411per listing
- Listings tracked
- 32
04 · Newcomers
0 of last year's 12 launches cleared the first-year sales bar.
12 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 61 months on average, so the names here are established.
- Launched, last 12 months
- 12
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 61 months
Products
Top Antifreeze Tester products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 9, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
ATD Tools 1106 Professional Antifreeze and Coolant Tester
- Price
- $11.39
- Rating
- 4.3/5
- Reviews
- 542
- Age
- 13y ago

KVAEY 1PCS Coolant Tester Accessory Automotive Professional Antifreeze Densitometer Freezing Testing Tool Universal Coolant Hydrometer Tester for Winter and Summer Car Accessories
- Price
- $7.64
- Rating
- 4.6/5
- Reviews
- 129
- Age
- 10mo ago

SHMZK Coolant Tester Accessory Dial Type Antifreeze Coolant Car Battery Hydrometer Tester Automotive Anti-Freeze Battery Liquid Densitometer Coolant Tester Car Accessories (1 PCS)
- Price
- $7.32
- Rating
- 4.5/5
- Reviews
- 127
- Age
- 1y ago

OEMTOOLS 24507 Professional Series Ethylene Glycol Antifreeze Tester Tests Freezing Point of Antifreeze and Proper Water/Coolant Mixture
- Price
- $15.23
- Rating
- 4.6/5
- Reviews
- 499
- Age
- 10y ago

Phoenix Systems 8006-B Double-Ended Brake Fluid + Coolant Test Strips (15 foil wrapped test strips) 1 Pack
- Price
- $16.37
- Rating
- 4.6/5
- Reviews
- 1,383
- Age
- 8y ago
Trending
estimated 90-day click momentum
VKQTS Antifreeze Tester Automotive Professional Antifreeze Coolant Tester with Color-Coded Floats Portable Antifreezes Testers for Coolant Car Truck Engine Anti-Freeze Protection
- Price
- $9.22
- Rating
- 5.0/5
- Reviews
- 4
- Age
- 7mo ago

Antifreeze Tester Automotive Dial Type Antifreeze Coolant Tester Hydrometer Car Battery Liquid Densitometer Coolant Anti Freeze Universal Tool for Car System Winter and Summer
- Price
- $6.99
- Rating
- 4.1/5
- Reviews
- 15
- Age
- 7mo ago

MUQIDA Coolant Tester Accessory Dial Type Anti-Freeze Hydrometer Car Battery Liquid Densitometer High Accuracy Freezing Tester Automotive Repair Tool for Ethylene Glycol Coolant
- Price
- $5.47
- Rating
- 4.7/5
- Reviews
- 6
- Age
- 1y ago

5-in-1 Refractometer for DEF Urea Concentration Windshield Washer & PG/EG Antifreeze Freeze Point Battery Specific Gravity - Refractometer for Coolant Antifreeze and Diesel Fluid
- Price
- $20.06
- Rating
- 4.2/5
- Reviews
- 24
- Age
- 9mo ago

VKQTS Dial Type Antifreeze Tester Automotive Dual-Scale Coolant Tester Accessory with F/C for Boil & Freeze Point Test Portable Anti Freeze Testers Automotive for Cars SUVs Trucks
- Price
- $5.35
- Rating
- 4.4/5
- Reviews
- 3
- Age
- 8mo ago
Newest
by launch date
Antifreeze Tester Automotive Dial Type Antifreeze Coolant Tester Hydrometer Car Battery Liquid Densitometer Coolant Anti Freeze Universal Tool for Car System Winter and Summer
- Price
- $6.99
- Rating
- 4.1/5
- Reviews
- 15
- Age
- 7mo ago

VKQTS Antifreeze Tester Automotive Professional Antifreeze Coolant Tester with Color-Coded Floats Portable Antifreezes Testers for Coolant Car Truck Engine Anti-Freeze Protection
- Price
- $9.22
- Rating
- 5.0/5
- Reviews
- 4
- Age
- 7mo ago

Turcee Dial Type Antifreeze Tester Automotive Tools Professional Car Coolant Tester with F/C Dual Scale Design Portable Anti Freeze Testers Automotive for Measuring Freezing/Boiling Points
- Price
- $5.61
- Rating
- 4.3/5
- Reviews
- 17
- Age
- 8mo ago

VKQTS Dial Type Antifreeze Tester Automotive Dual-Scale Coolant Tester Accessory with F/C for Boil & Freeze Point Test Portable Anti Freeze Testers Automotive for Cars SUVs Trucks
- Price
- $5.35
- Rating
- 4.4/5
- Reviews
- 3
- Age
- 8mo ago

KINGTAIXIN Coolant Tester Accessory Antifreeze Tester for Understanding The State of Coolant Battery Hydrometer for Testing Hot or Cold Batteries on 6V/12V/24V Systems
- Price
- $9.32
- Rating
- 4.3/5
- Reviews
- 10
- Age
- 8mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 51% of clicks. Leaders hold, but buyers still shop past them.
Brands
28 rising
Sellers
81
Est. top-5 brand share
57%
Top 20: 94%
Est. top-5 click share
51%
Top 20: 91%
Open market
36%
- KVAEY12%
- aichose12%
- ATD12%
- SHMZK11%
- OEMTOOLS10%
- Phoenix Systems8%
Demand
Antifreeze Tester search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 3.5×
Search terms
Top Antifreeze Tester search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- coolant tester51K/yr
- antifreeze tester71K/yr
- coolant tester kit4K/yr
- antifreeze coolant tester5K/yr
- coolant test3K/yr
- antifreeze tester for coolant5K/yr
- antifreeze tester automotive7K/yr
- coolant tester automotive6K/yr
- anti freeze tester3K/yr
- anti freeze tester automotive7K/yr
Reviews and returns
What reviews say buyers love and hate about Antifreeze Tester
We read the reviews and the return reasons for every product selling here.
“Cheap made”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Antifreeze Tester questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









