Best Selling Radiator Coolant: See Top Product Rankings by Sales Volume & Market Trends

August 2026
126 Products Tracked

Looking for the most popular radiator coolant products in the market? Our report leverages real Amazon monthly sales data to identify the best-performing products and the fastest-growing opportunities within the search results for the keyword "radiator coolant." Whether you're searching for winning products to launch or monitoring market trends and competitor performance, this report provides the insights you need.

Based on monthly sales analytics, our Shoppers' Top Picks highlights that ASIN B01I40ZQWE currently leads the radiator coolant market with 4K monthly sales, followed closely by B071RTG2QM with 4K monthly sales and B017DP43ZC with 3K monthly sales. Meanwhile, ASIN B001QT9KO6 stands out as the fastest-growing product, achieving an impressive 100.0% month-over-month sales growth. By tracking competitor sales performance and shifts in market demand, sellers can uncover emerging opportunities and make more informed product and marketing decisions.

🏆Shoppers' Top PicksAmazon
by monthly sales August 2026
EPAuto Spill Proof Radiator Coolant Filling Funnel Kit
1
B01I40ZQWE
$21.87·
4.7
Units/sold4K
Zerex Asian Vehicle Blue Silicate and Borate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
2
B071RTG2QM
$18.00·
4.8
Units/sold4K
Mopar 68163849AB 10 Year/150,000 Mile Coolant 50/50 Premixed - Embittered, 1 Gallon | Genuine 10 Year / 150,000 Mile Blend, OAT 50/50 Premixed, -34F to 265F, OEM Radiator Fluid for Jeep, Chrysler, Dodge, Ram
3
B017DP43ZC
$22.95·
4.8
Units/sold3K
🚀Fastest Growing
by MoM sales growth
K-Seal ST5501 Multi-Purpose One Step Coolant Leak Repair, 8oz, Pour and Go, Mixes with All Antifreeze, No Flushing Required
#1
B001QT9KO6
$12.21·
4.3
K-Seal ST5501 Multi-Purpose One Step Coolant Leak Repair, 8oz, Pour and Go, Mixes with All Antifreeze, No Flushing Required
Units/sold
2K100.0%
PEAK OET Extended Life Orange 50/50 Prediluted Antifreeze/Coolant for North American Vehicles, 1 Gal.
#2
B08PC8JJPL
$18.95·
4.8
PEAK OET Extended Life Orange 50/50 Prediluted Antifreeze/Coolant for North American Vehicles, 1 Gal.
Units/sold
2K100.0%

Top Selling Radiator Coolant

As of August 2026, we analyzed 126 tracked products in Amazon's "radiator coolant" search results and generated the following sales chart and product rankings based on monthly sales data. The ranking below highlights the Top 10 products by estimated monthly sales. According to the latest data, these products generated between 1,000 and 4,000 monthly sales. B01I40ZQWE leads the radiator coolant market with an estimated 4,000 monthly sales, down 20.0% from the previous month.

126Products Tracked
2,500Top 10 Avg. Sales
$19.93Top 10 Avg. Price
4.7Top 10 Avg. Rating
🏆
EPAuto Spill Proof Radiator Coolant Filling Funnel Kit
#1
B01I40ZQWE

EPAuto Spill Proof Radiator Coolant Filling Funnel Kit

4,000
▼ 20.0%
Units Sold/mo
$21.87
Price
4.7
Rating
20.5K
Reviews
2
Zerex Asian Vehicle Blue Silicate and Borate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
B071RTG2QM
$18.00
4.8 (6.4K)
Zerex Asian Vehicle Blue Silicate and Borate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
4,000 Units Sold/mo
3
Mopar 68163849AB 10 Year/150,000 Mile Coolant 50/50 Premixed - Embittered, 1 Gallon | Genuine 10 Year / 150,000 Mile Blend, OAT 50/50 Premixed, -34F to 265F, OEM Radiator Fluid for Jeep, Chrysler, Dodge, Ram
B017DP43ZC
$22.95
4.8 (6.4K)
Mopar 68163849AB 10 Year/150,000 Mile Coolant 50/50 Premixed - Embittered, 1 Gallon | Genuine 10 Year / 150,000 Mile Blend, OAT 50/50 Premixed, -34F to 265F, OEM Radiator Fluid for Jeep, Chrysler, Dodge, Ram
3,000 Units Sold/mo▼ 25.0%
4
PEAK OET Extended Life Blue 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles, 1 Gal.
B07GT1VWQ5
$18.95
4.8 (1.7K)
PEAK OET Extended Life Blue 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles, 1 Gal.
3,000 Units Sold/mo▲ 50.0%
5
K-Seal ST5501 Multi-Purpose One Step Coolant Leak Repair, 8oz, Pour and Go, Mixes with All Antifreeze, No Flushing Required
B001QT9KO6
$12.21
4.3 (13.4K)
K-Seal ST5501 Multi-Purpose One Step Coolant Leak Repair, 8oz, Pour and Go, Mixes with All Antifreeze, No Flushing Required
2,000 Units Sold/mo▲ 100.0%
10
PEAK Global Lifetime Concentrate Antifreeze and Coolant for All Vehicles, 1 Gal.
B000CCIFZI
$19.95
4.7 (934)
PEAK Global Lifetime Concentrate Antifreeze and Coolant for All Vehicles, 1 Gal.
1,000 Units Sold/mo
View All 126 Products & Deep InsightsGet full access to sales data, trends, and market analysis

For sellers and category managers benchmarking the radiator coolant price landscape, we segmented all 126 tracked listings in Amazon's live "radiator coolant" search results across the full price spectrum, and surfaced the top 3 price tiers by share below to highlight where competition concentrates and where pricing gaps exist.

Leading the distribution, the $20.00 ~ $50.00 band is the category's best radiator coolant price zone, absorbing 45% of the assortment (210 products) — this is where listing density is highest and where new entrants face the steepest competition for share-of-voice. Use the tier breakdown below to identify the top-ranking ASIN, monthly sales velocity, and rating profile within each band — essential inputs for pricing strategy, sourcing decisions, and competitive benchmarking in the radiator coolant category.

Top 3 Price Tiers

$20.00 ~ $50.00 is the most competitive price tier, containing 45% of tracked products.

Sweet Spot
$20.00 ~ $50.00
Tier 1
45%
210 products

Top products in this price tier

#1
B01I40ZQWE
$21.87
4k Units Sold/mo
Unlock Top Performers
#2
$10.00 ~ $20.00
Tier 2
22%
101 products
$50.00 ~ $100.00
Tier 3
20%
94 products
$100.00 ~ $200.00
9%
Unlock to view all price tier distributions and their ASIN sales contributions

"Radiator coolant" Search Volume and Market Trends on Amazon

Amazon keyword search volume data for "radiator coolant" in the US marketplace. This report provides insights into keyword search volume, Amazon search trends, competition levels, and conversion efficiency for sellers and brands.

During the week of 2026-08-09 to 2026-08-15, the Amazon USweekly search volume for "radiator coolant" was approximately 239 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #747,059, dropping 30,867 positions from the previous week. Additionally, the top 3 products for this keyword capture 39.1% of the total click share and 19.1% of the conversion share, indicating the level of market concentration.

Amazon Search Term
Weekly

radiator coolant

ASINSIGHT
Search Frequency Rank
747,059
30,867
Search Volume
239
4.4%
Top 3 Click Share
39.1%
Top 3 Conv. Share
19.1%

Search Volume Trend

Past 3 Years
Past 4 Months
Recent 8 months
Weekly Search Volume
239
View full trends for the past 3 years
AugSepOctNovDecJanFebMarAprMayJunJulAug

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