Coolant Test Strips
MaybeProducts sell for $29.81 on average, inside the sweet spot. But the top 5 products take 78% of clicks, so Coolant Test Strips is a Maybe.
- Flapen Score
- 55 / 100Top 23% of 7,287 Automotive niches · +6 vs the category median of 4955
- Market size
- $240K/yr97K searches / yr
- 90-day growth
- +14.6%search demand this quarter
- Competition
- 78%top-5 click share · 8 brands · 39 sellers
Flapen Score
Coolant Test Strips against its category
The dotted line is the Automotive average. Past it, Coolant Test Strips is stronger. Inside it, weaker.
Market
The Coolant Test Strips market on Amazon at a glance
Shoppers on Amazon United States searched for Coolant Test Strips 97K times last year and spent an estimated $240K. The top 5 brands take 88% of clicks. Flapen scores it 55 out of 100, a Maybe.
01 · Demand
An estimated 8.3% of those searches ended in a purchase.
Shoppers searched for this 97K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 8.3% of those searches ended in a purchase. Searches in the last 90 days moved +14.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $240K a year.
- Searches, last 12 months
- 97K
- Growth, 90 days vs prior 90
- +14.6%
- Conversion, latest week
- 8.3%
- Market size, estimated
- $240Ka year
- Peak month
- June1.4× the quietest month
- Top search term
- coolant test strips39K searches a year
02 · Price
A sale here is worth $29.81.
Listings sell for $29.81 on average, from $6.03 to $77.60. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 750 to 1,000 of them. At $29.81 that is $22K to $30K a year per listing.
- Average price
- $29.81inside the $15 to $100 sweet spot
- Price range
- $6.03–$77.60
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 8K–10K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- $22K–$30K
- Returns
- 1.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
80% of listings pay for placement with sponsored ads. 90% ship with Prime. On an average day, 5.4% of listings are out of stock. The average listing ranks #70 within Oils & Fluids. It carries 532 reviews at 4.34 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 80%
- Prime listings
- 90%
- Out of stock, average day
- 5.4%
- Average rank
- #70in Oils & Fluids
- Average rating
- 4.34 starsAmazon United States average 4.42 stars
- Average reviews
- 532per listing
- Listings tracked
- 10
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 55 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 55 months
Products
Top Coolant Test Strips 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
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

Robinair 75134 Econo-Clean Coolant Test Strip - Use to Test and Adjust Coolant for Proper Protection; Compatible with all Ethylene Glycol and Propylene Glycol Coolants - 50 Piece
- Price
- $36.95
- Rating
- 4.2/5
- Reviews
- 121
- Age
- 14y ago

Aicevoos NF Brake Fluid Tester Pen Brake Fluid Test Strips Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid
- Price
- $12.97
- Rating
- 4.5/5
- Reviews
- 1,213
- Age
- 3y ago

Antifreeze Coolant Tester Coolant Test Strips C and F Display Dial Type Antifreeze Tester Automotive 6/12/24V Car Battery Liquid Densitometer for Ethylene Glycol Coolant
- Price
- $7.50
- Rating
- 4.7/5
- Reviews
- 27
- Age
- 1y ago

BrakeStrip Plus Service Center Kit. Double Ended Brake Fluid Plus Coolant Test Strips and Rating Scale Cards
- Price
- $77.60
- Rating
- 4.6/5
- Reviews
- 31
- Age
- 4y ago
Trending
estimated 90-day click momentum
Antifreeze Coolant Tester Coolant Test Strips C and F Display Dial Type Antifreeze Tester Automotive 6/12/24V Car Battery Liquid Densitometer for Ethylene Glycol Coolant
- Price
- $7.50
- Rating
- 4.7/5
- Reviews
- 27
- Age
- 1y ago

Robinair 75134 Econo-Clean Coolant Test Strip - Use to Test and Adjust Coolant for Proper Protection; Compatible with all Ethylene Glycol and Propylene Glycol Coolants - 50 Piece
- Price
- $36.95
- Rating
- 4.2/5
- Reviews
- 121
- Age
- 14y ago

WIX Filters - 24106 Coolant Test Kit Pack of 1
- Price
- $40.55
- Rating
- 4.4/5
- Reviews
- 538
- Age
- 18y ago

Fleetguard Coolant Analysis Test Kit CC2602A
- Price
- $19.82
- Rating
- 4.1/5
- Reviews
- 614
- Age
- 16y ago

Phoenix Systems (3001-B) Brake Fluid Test Strips 100 Test Strips Per Tube BrakeStrip FASCAR Copper White
- Price
- $62.45
- Rating
- 4.5/5
- Reviews
- 77
- Age
- 19y ago
Newest
by launch date
Antifreeze Coolant Tester Coolant Test Strips C and F Display Dial Type Antifreeze Tester Automotive 6/12/24V Car Battery Liquid Densitometer for Ethylene Glycol Coolant
- Price
- $7.50
- Rating
- 4.7/5
- Reviews
- 27
- Age
- 1y ago

Brake Fluid Liquid Tester Pen 1PC DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen Car Diagnostic Testing Tool with 5 LED Indicators Hydraulic Fluid Liquid Oil Moisture Analyzer
- Price
- $6.03
- Rating
- 4.2/5
- Reviews
- 1,235
- Age
- 3y ago

Aicevoos NF Brake Fluid Tester Pen Brake Fluid Test Strips Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid
- Price
- $12.97
- Rating
- 4.5/5
- Reviews
- 1,213
- Age
- 3y ago

BrakeStrip Plus Service Center Kit. Double Ended Brake Fluid Plus Coolant Test Strips and Rating Scale Cards
- Price
- $77.60
- Rating
- 4.6/5
- Reviews
- 31
- Age
- 4y 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
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 78% of clicks. A locked shelf that new listings rarely crack.
Brands
8 rising
Sellers
39
Est. top-5 brand share
88%
Top 20: 100%
Est. top-5 click share
78%
Top 20: 100%
Open market
7%
- Phoenix Systems60%
- Robinair10%
- Aicevoos9%
- ecocstm5%
- Baldwin Filters5%
- Wix5%
- Open — no brand owns it (2 brands, 7%)
Demand
Coolant Test Strips search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top Coolant Test Strips search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- coolant test strips39K/yr
- brake fluid test strips33K/yr
- antifreeze test strips8K/yr
- coolant test strips for antifreeze3K/yr
- coolant ph test strips3K/yr
- ford diesel coolant additive test kit4K/yr
- brake fluid tester strips5K/yr
- coolant and brake fluid test strips3K/yr
Reviews and returns
What reviews say buyers love and hate about Coolant Test Strips
We read the reviews and the return reasons for every product selling here.
“Broke after first 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.
19 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 Coolant Test Strips 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









