Antifreeze Tester
FailShoppers spend an estimated $26K a year here, so Antifreeze Tester is a Fail.
- Flapen Score
- 45 / 100Ranks 517 of 811 Automotive niches · −4 vs the category median of 4945
- Market size
- £26K/yr35K searches / yr
- 90-day growth
- -32.3%search demand this quarter
- Competition
- 60%top-5 click share · 15 brands · 46 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 Kingdom searched for Antifreeze Tester 35K times last year and spent an estimated £26K. The top 5 brands take 78% of clicks. Demand peaks in Jan–Oct–Nov–Dec. Flapen scores it 45 out of 100, a Fail.
01 · Demand
An estimated 7.9% of those searches ended in a purchase.
Shoppers searched for this 35K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 7.9% of those searches ended in a purchase. Searches in the last 90 days moved -32.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated £26K a year.
- Searches, last 12 months
- 35K
- Growth, 90 days vs prior 90
- -32.3%
- Conversion, latest week
- 7.9%
- Market size, estimated
- £26Ka year
- Peak month
- November7.5× the quietest month
- Top search term
- coolant tester9K searches a year
02 · Price
A sale here is worth £9.28.
Listings sell for £9.28 on average, from £4.79 to £18.25. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 100 to 250 of them. At £9.28 that is £928 to £2K a year per listing.
- Average price
- £9.28under the $15 to $100 sweet spot
- Price range
- £4.79–£18.25
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 100–250
- Revenue per listing a year
- £928–£2K
- Returns
- 0.8%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
83% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 9.2% of listings are out of stock. The average listing ranks #322 within Oils & Fluids. It carries 83 reviews at 4.30 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 83%
- Prime listings
- 100%
- Out of stock, average day
- 9.2%
- Average rank
- #322in Oils & Fluids
- Average rating
- 4.30 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 83per listing
- Listings tracked
- 18
04 · Newcomers
0 of last year's 5 launches cleared the first-year sales bar.
5 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 53 months on average, so the names here are settling in.
- Launched, last 12 months
- 5
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 53 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 18, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Sealey AK4122 Propylene Glycol Antifreeze Tester Disc Type
- Price
- £9.16
- Rating
- 4.6/5
- Reviews
- 386
- Age
- 19y ago

Sealey Ak4120 Ethylene Glycol Antifreeze Tester Disc Type
- Price
- £9.19
- Rating
- 4.5/5
- Reviews
- 224
- Age
- 19y ago

QWORK 4-in-1 Antifreeze Refractometer with Automatic Temperature Compensation for Antifreeze + Battery Fluid + AdBlue(DEF) + Windshield Washer Fluid
- Price
- £11.43
- Rating
- 4.3/5
- Reviews
- 60
- Age
- 1y ago

QWORK 4-in-1 Antifreeze Refractometer Ethylene & Propylene Glycol Coolant Tester with Urea & Battery Acid Measurement for Auto Industry
- Price
- £11.63
- Rating
- 4.5/5
- Reviews
- 83
- Age
- 1y ago

Simply AF001 Anti Freeze Tester - Ethylene Glycol Indicator
- Price
- £7.45
- Rating
- 3.5/5
- Reviews
- 15
- Age
- 3y ago
Trending
estimated 90-day click momentum
Wellrun Antifreeze Coolant Tester for Cars High Accuracy Engine Fluid Tester Handheld Dial Hydrometer for Measuring Freezing and Boiling Points Compatible with Various Coolants
- Price
- £6.88
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 4mo ago

Antifreeze Tester Coolant Tester Dial-Type Coolant Pressure Teste-r Hydrometer for Car Engine Fluid High Accuracy Automotive Antifreeze Test for Winter and Summer Maintenance
- Price
- £4.79
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 4mo ago

Rapid Revive Coolant Tester & Antifreeze Tester 2-in-1 | Cooling System Pressure Test Kit | Ethylene Glycol Hydrometer for Car Van Truck
- Price
- £8.89
- Rating
- 4.5/5
- Reviews
- 2
- Age
- 1mo ago

4 in 1 Refractometer Coolant Tester Antifreeze Tester for Measuring the Specific Gravity of Automotive Urea Freezing Point of Antifreeze
- Price
- £12.14
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 6mo ago

Coolant Tester Quality Dial Type Rapid-test Anti-freeze Densitometer Coolant Tester Accessory
- Price
- £6.49
- Rating
- 4.8/5
- Reviews
- 7
- Age
- 5y ago
Newest
by launch date
Rapid Revive Coolant Tester & Antifreeze Tester 2-in-1 | Cooling System Pressure Test Kit | Ethylene Glycol Hydrometer for Car Van Truck
- Price
- £8.89
- Rating
- 4.5/5
- Reviews
- 2
- Age
- 1mo ago

Wellrun Antifreeze Coolant Tester for Cars High Accuracy Engine Fluid Tester Handheld Dial Hydrometer for Measuring Freezing and Boiling Points Compatible with Various Coolants
- Price
- £6.88
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 4mo ago

Antifreeze Tester Coolant Tester Dial-Type Coolant Pressure Teste-r Hydrometer for Car Engine Fluid High Accuracy Automotive Antifreeze Test for Winter and Summer Maintenance
- Price
- £4.79
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 4mo ago

4 in 1 Refractometer Coolant Tester Antifreeze Tester for Measuring the Specific Gravity of Automotive Urea Freezing Point of Antifreeze
- Price
- £12.14
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 6mo ago

4-in-1 Antifreeze Refractometer Ethylene & Propylene Glycol Coolant Tester Hand Refractometer for Battery Acidand and Windshield Washer Fluid
- Price
- £14.86
- Rating
- 3.6/5
- Reviews
- 10
- Age
- 9mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 60% of clicks. Leaders hold, but buyers still shop past them.
Brands
15 falling
Sellers
46
Est. top-5 brand share
78%
Top 20: 100%
Est. top-5 click share
60%
Top 20: 100%
Open market
22%
- Sealey37%
- QWORK19%
- Simply6%
- Kuuleyn6%
- BGS Do it yourself5%
- Crumye5%
Demand
Antifreeze Tester search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 7.5×
Search terms
Top Antifreeze Tester search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- coolant tester9K/yr
- antifreeze tester21K/yr
- anti freeze testers5K/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.
“Pain to use”
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.
17 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









