blue coolant
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$25.29avg listing price — sweet spot $15–$100
Price range
Incredible$18.06–$32.29cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.4%return rate — above 6% kills the launch gate
Conversion
Great8.0%search→purchase rate — share of searches ending in a sale
Market size
Good$403K$403K/yr · 199K searches
Review moat
Okay1,656avg incumbent reviews — the moat a new listing must climb
Growth
Okay+0.8%90-day search growth — must beat 0% to launch
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 flat
Sellers
40
Top-5 brand share
100%
Open market
0%
- Honda59%
- Zerex17%
- PEAK12%
- CYCLEMAX8%
- 4into15%
- Open — no brand owns it (0%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 5 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Honda Genuine Extended Life Antifreeze/Coolant Type 2 50/50 Pre-Diluted 1 Gallon
Honda$32.294.8★307 rev

Zerex Asian Vehicle Blue Silicate and Borate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
Zerex$18.064.8★6,227 rev

PEAK OET Extended Life Blue 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles 1 Gal.
PEAK$18.964.8★1,669 rev

CYCLEMAX Two Pack Compatible with Honda HP Coolant 50/50 Blend 08C50-C321S02 Contains Two Quarts and a Funnel Superseded -08CLA-999-0E0A8
CYCLEMAX$27.444.8★34 rev

4into1 Auto Anti Freeze
4into1$29.684.8★43 rev
Newest
by launch date
Honda Genuine Extended Life Antifreeze/Coolant Type 2 50/50 Pre-Diluted 1 Gallon
Honda$32.29307 rev

4into1 Auto Anti Freeze
4into1$29.6843 rev

CYCLEMAX Two Pack Compatible with Honda HP Coolant 50/50 Blend 08C50-C321S02 Contains Two Quarts and a Funnel Superseded -08CLA-999-0E0A8
CYCLEMAX$27.4434 rev

PEAK OET Extended Life Blue 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles 1 Gal.
PEAK$18.961,669 rev

Zerex Asian Vehicle Blue Silicate and Borate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
Zerex$18.066,227 rev
Trending
90-day click momentum
CYCLEMAX Two Pack Compatible with Honda HP Coolant 50/50 Blend 08C50-C321S02 Contains Two Quarts and a Funnel Superseded -08CLA-999-0E0A8
CYCLEMAX$27.444.8★

Honda Genuine Extended Life Antifreeze/Coolant Type 2 50/50 Pre-Diluted 1 Gallon
Honda$32.294.8★

PEAK OET Extended Life Blue 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles 1 Gal.
PEAK$18.964.8★

Zerex Asian Vehicle Blue Silicate and Borate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
Zerex$18.064.8★

4into1 Auto Anti Freeze
4into1$29.684.8★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +0.8% search growth over the last 90 days.Peak months: Mar · busiest ÷ quietest = 2.2×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Good coolant”
“Excellent product”
“Works as advertised”
“worth it”
“Works great, valvoline is the way to go”
“Lucky it didnt leak”
“This product has been helpful for our maintenance routine”
“helps keep the engine from overheating”
“I'm glad that it lasts long”
“No rust or deposits that in the old coolant”
What buyers complain about
“Its expensive”
“Leakage from bottles”
“but gets stuck stuff unstuck”
“they are not reliable”
“Hard pass”
“I use like 10 bottles everytime I change the coolant because I don't know why”