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

August 2026
133 Products Tracked

Looking for the most popular coolant flush 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 "coolant flush." 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 B005GWUGV0 currently leads the coolant flush market with 4K monthly sales, followed closely by B01I40ZQWE 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
TrizULTRA + Keto® Flush for Dogs, Cats and Horses, 12 Fl Oz | Cleansing, Antibiofilm; Packaging May Vary
1
B005GWUGV0
$36.65·
★4.7
Units/sold4K
EPAuto Spill Proof Radiator Coolant Filling Funnel Kit
2
B01I40ZQWE
$21.87·
★4.7
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
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
ST5501 Multi-Purpose One Step Coolant Leak Repair, 8oz, Pour and Go, Mixes with All Antifreeze, No Flushing Required
Units/sold
2K▲100.0%
Zerex ZX G05 50/50 AFC 6/1 GA
#2
B0033QQ4VW
$15.65·
★4.8
Zerex ZX G05 50/50 AFC 6/1 GA
Units/sold
2K▲100.0%

Top Selling Coolant Flush

As of August 2026, we analyzed 133 tracked products in Amazon's "coolant flush" 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 2,000 and 4,000 monthly sales. B005GWUGV0 leads the coolant flush market with an estimated 4,000 monthly sales, up 33.3% from the previous month.

133Products Tracked
2,700Top 10 Avg. Sales
$20.52Top 10 Avg. Price
★4.7Top 10 Avg. Rating
🏆
TrizULTRA + Keto® Flush for Dogs, Cats and Horses, 12 Fl Oz | Cleansing, Antibiofilm; Packaging May Vary
#1
B005GWUGV0

TrizULTRA + Keto® Flush for Dogs, Cats and Horses, 12 Fl Oz | Cleansing, Antibiofilm; Packaging May Vary

4,000
▲ 33.3%
Units Sold/mo
$36.65
Price
★
4.7
Rating
1.2K
Reviews
2
EPAuto Spill Proof Radiator Coolant Filling Funnel Kit
B01I40ZQWE
$21.87
★4.7 (20.5K)
EPAuto Spill Proof Radiator Coolant Filling Funnel Kit
4,000 Units Sold/mo▼ 20.0%
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 (6.3K)
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
Zerex Asian Vehicle Blue Silicate and Borate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
B071RTG2QM
$18.00
★4.8 (6.3K)
Zerex Asian Vehicle Blue Silicate and Borate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
3,000 Units Sold/mo
5
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%
10
PEAK OET Extended Life Orange 50/50 Prediluted Antifreeze/Coolant for North American Vehicles, 1 Gal.
B08PC8JJPL
$18.95
★4.8 (1.9K)
PEAK OET Extended Life Orange 50/50 Prediluted Antifreeze/Coolant for North American Vehicles, 1 Gal.
2,000 Units Sold/mo▲ 100.0%
View All 133 Products & Deep InsightsGet full access to sales data, trends, and market analysis

For sellers and category managers benchmarking the coolant flush price landscape, we segmented all 133 tracked listings in Amazon's live "coolant flush" 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 coolant flush price zone, absorbing 41% of the assortment (108 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 coolant flush category.

Top 3 Price Tiers

$20.00 ~ $50.00 is the most competitive price tier, containing 41% of tracked products.

Sweet Spot
$20.00 ~ $50.00
Tier 1
41%
108 products

Top products in this price tier

#1
B005GWUGV0
$36.65
4k Units Sold/mo
Unlock Top Performers
#2
$10.00 ~ $20.00
Tier 2
34%
89 products
$50.00 ~ $100.00
Tier 3
16%
41 products
$0.00 ~ $10.00
6%
Unlock to view all price tier distributions and their ASIN sales contributions

"Coolant flush" Search Volume and Market Trends on Amazon

Amazon keyword search volume data for "coolant flush" 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 2026-07-19 to 2026-07-25, the Amazon USweekly search volume for "coolant flush" was approximately 564 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #327,943, climbing 96,111 positions from the previous week. Additionally, the top 3 products for this keyword capture 42.7% of the total click share and 41% of the conversion share, indicating the level of market concentration.

Amazon Search Term
Weekly

coolant flush

ASINSIGHT
Search Frequency Rank
327,943
96,111
Search Volume
564
30.6%
Top 3 Click Share
42.7%
Top 3 Conv. Share
41%

Search Volume Trend

Past 3 Years
Past 4 Months
Recent 8 months
Weekly Search Volume
564
View full trends for the past 3 years
JulAugSepOctNovDecJanFebMarAprMayJunJul

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