dexcool
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$20.96avg listing price — sweet spot $15–$100
Returns
Great1.3%return rate — above 6% kills the launch gate
Conversion
Great10.0%search→purchase rate — share of searches ending in a sale
Price range
Great$11.04–$33.07cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good969avg incumbent reviews — the moat a new listing must climb
Market size
Good$368K$368K/yr · 176K searches
Growth
Bad-3.9%90-day search growth — must beat 0% to launch
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Competition
Bad90%top-5 click share — a locked-up shelf
Brand share
Bad98%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 flat
Sellers
42
Top-5 brand share
98%
Open market
0%
- Valvoline57%
- PEAK26%
- ACDelco6%
- Shell5%
- Zerex3%
- General Motors2%
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 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Zerex Dex-Cool 50/50 Ready-to-Use Antifreeze Coolant 1 Gallon
Valvoline$18.274.8★2,034 rev
PEAK DEX-Cool Antifreeze + Coolant Premium Engine Coolant with Antifreeze Car Antifreeze Coolant Mixture for GM Vehicles 1 Gallon
PEAK$18.854.8★492 rev
Zerex Dex-Cool Antifreeze Coolant Concentrate 1 Gallon
Valvoline$20.694.8★2,179 rev
PEAK OET Extended Life Orange 50/50 Prediluted Antifreeze/Coolant for North American Vehicles 1 Gal.
PEAK$19.004.8★1,835 rev
ACDelco 10-101 DEX-COOL Extended Life Coolant - 1 Gallon
ACDelco$33.074.7★512 rev
Newest
by launch datePEAK DEX-Cool Antifreeze + Coolant Premium Engine Coolant with Antifreeze Car Antifreeze Coolant Mixture for GM Vehicles 1 Gallon
PEAK$18.85492 rev
PEAK OET Extended Life Orange 50/50 Prediluted Antifreeze/Coolant for North American Vehicles 1 Gal.
PEAK$19.001,835 rev
Zerex American Vehicle 50/50 Ready-to-Use Antifreeze Coolant 1 Gallon
Zerex$17.54471 rev
Genuine GM Coolant Part# - 12378390
General Motors$29.21113 rev
Shell Zone Dex-Cool Extended Life ELC Antifreeze + Coolant Pre-Diluted 50/50 (1 Gallon Single Pack)
Shell$11.04116 rev
Trending
90-day click momentumShell Zone Dex-Cool Extended Life ELC Antifreeze + Coolant Pre-Diluted 50/50 (1 Gallon Single Pack)
Shell$11.044.6★
Zerex Dex-Cool 50/50 Ready-to-Use Antifreeze Coolant 1 Gallon
Valvoline$18.274.8★
Zerex Dex-Cool Antifreeze Coolant Concentrate 1 Gallon
Valvoline$20.694.8★
PEAK DEX-Cool Antifreeze + Coolant Premium Engine Coolant with Antifreeze Car Antifreeze Coolant Mixture for GM Vehicles 1 Gallon
PEAK$18.854.8★
Genuine GM Coolant Part# - 12378390
General Motors$29.214.7★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -3.9% search growth over the last 90 days.Peak months: Apr · busiest ÷ quietest = 1.8×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Great product and exactly as described”
“The recommended proper antifreeze is ACDelco DEX-Cool”
“Decent price, would buy again”
“it works, can fill the car for 10 k miles”
“As discribed”
“Easy”
“Good color match”
“the product is still been reliable for me”
“Great coolant, works perfectly”
“What the vehicle called for”
What buyers complain about
“This product is very expensive compared to other antifreeze”
“I can't reuse the bottle cap top”
“Amazons recommendation engine does not understand Cummins coolant chemistry”
“This product came opened and already used”
“Poor quality checks”
“Amazon said it was compatible for motorcycle and it is not.”
“Amazon said it was compatible for motorcycle and it is not”
“No measuring”