Shop best coolant temp additive

Sponsored
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$53.56
Red Line 80204 Waterwetter Super Coolant - 12 Ounce (4 Pack)
Amazon.com
73
Free shipping
$53.56
Red Line 80204 Waterwetter Super Coolant - 12 Ounce (4 Pack)
Amazon.com
73
$9.81
$11.41
Royal Purple 01600 Purple Ice Super-Coolant Radiator Additive - 12 Oz.
Amazon.com
1K+
Free shipping
14% off
$9.81
$11.41
Royal Purple 01600 Purple Ice Super-Coolant Radiator Additive - 12 Oz.
Amazon.com
1K+
$20.95
Mishimoto Liquid Chill Radiator Coolant Additive (Universal 4 Oz. Bottle)
Blessed Performance
$20.95
Mishimoto Liquid Chill Radiator Coolant Additive (Universal 4 Oz. Bottle)
Blessed Performance
$31.69
WIX 24058 Radiator Liquid Cooling Treatment
Amazon.com
5
$31.69
WIX 24058 Radiator Liquid Cooling Treatment
Amazon.com
5
$17.99
Koolance 702 Liquid Coolant, High-Performance, UV Blue, 700Ml (24 Fl Oz)
Koolance
128
$17.99
Koolance 702 Liquid Coolant, High-Performance, UV Blue, 700Ml (24 Fl Oz)
Koolance
128
$20.95
PEAK FINAL CHARGE Global Extended Life Concentrate Antifreeze/Coolant For All Heavy Duty Engine Cooling Systems, 1 Gal.
Amazon.com
71
$20.95
PEAK FINAL CHARGE Global Extended Life Concentrate Antifreeze/Coolant For All Heavy Duty Engine Cooling Systems, 1 Gal.
Amazon.com
71
$17.99
Koolance 702 Liquid Coolant, High-Performance, UV Purple, 700Ml (24 Fl Oz)
Koolance
$17.99
Koolance 702 Liquid Coolant, High-Performance, UV Purple, 700Ml (24 Fl Oz)
Koolance
$108.99
Koolance 702 Liquid Coolant, High-Performance, UV Blue, 5000Ml (169 Fl Oz)
Koolance
5
$108.99
Koolance 702 Liquid Coolant, High-Performance, UV Blue, 5000Ml (169 Fl Oz)
Koolance
5
$19.45
Mayhems - Water Cooling PC Coolant Additive - Hades Plus - Coolant Life Extender, 15 Ml
Amazon.com
$19.45
Mayhems - Water Cooling PC Coolant Additive - Hades Plus - Coolant Life Extender, 15 Ml
Amazon.com
$58.95
12:1 Nano Cool - High Performance Coolant Enhancer Single 1-Gal Jug
Starlight Maintenance, Inc.
$58.95
12:1 Nano Cool - High Performance Coolant Enhancer Single 1-Gal Jug
Starlight Maintenance, Inc.
$13.99
Red Line Waterwetter: Antifreeze Additive, Reduces Coolant Temperatures By As Much As 30 Deg. F, 12 Oz., 80204
Advance Auto Parts
2K+
$13.99
Red Line Waterwetter: Antifreeze Additive, Reduces Coolant Temperatures By As Much As 30 Deg. F, 12 Oz., 80204
Advance Auto Parts
2K+
$19.99
PEAK Fleet Charge SCA Precharged Concentrate Antifreeze And Coolant For All Heavy Duty Engine Cooling Systems, 1 Gal.
Amazon.com
13
$19.99
PEAK Fleet Charge SCA Precharged Concentrate Antifreeze And Coolant For All Heavy Duty Engine Cooling Systems, 1 Gal.
Amazon.com
13
$55.88
Starfire Purecool 50/50 Antifreeze
Santie Wholesale Oil Company
$55.88
Starfire Purecool 50/50 Antifreeze
Santie Wholesale Oil Company
$16.99
PEAK Titanium 50/50 Prediluted Antifreeze And Coolant For All Engine Cooling Systems, Long-Lasting Yellow Engine Coolant/Antifreeze For Lifetime
Amazon.com
31
$16.99
PEAK Titanium 50/50 Prediluted Antifreeze And Coolant For All Engine Cooling Systems, Long-Lasting Yellow Engine Coolant/Antifreeze For Lifetime
Amazon.com
31
$22.94
64 Oz. VP Racing Stay Frosty Race-Ready Coolant - 50/50 | VP Racing 2301
Summit Racing
6
$22.94
64 Oz. VP Racing Stay Frosty Race-Ready Coolant - 50/50 | VP Racing 2301
Summit Racing
6
$22.73
$26.50
Lucas Antifreeze / Coolant Additive - Super Coolant - 16.00 Oz Bottle - Each
Sparktec Motorsports
20
14% off
$22.73
$26.50
Lucas Antifreeze / Coolant Additive - Super Coolant - 16.00 Oz Bottle - Each
Sparktec Motorsports
20
$70.59
Starfire Purecool Concentrate Antifreeze
Santie Wholesale Oil Company
$70.59
Starfire Purecool Concentrate Antifreeze
Santie Wholesale Oil Company
$8.99
$15.99
DEI Heater Hotter 16 Oz. Performance Coolant Additive
CJ Pony Parts
33
43% off
$8.99
$15.99
DEI Heater Hotter 16 Oz. Performance Coolant Additive
CJ Pony Parts
33
$20.95
$23.00
Mishimoto Liquid Chill Radiator Coolant Additive MMRA-LC
Mishimoto Automotive
223
$20.95
$23.00
Mishimoto Liquid Chill Radiator Coolant Additive MMRA-LC
Mishimoto Automotive
223
$82.95
$91.00
Mishimoto Liquid Chill® Synthetic Engine Coolant, Full Strength 1 Gallon MMRA-LC-FULLF
Mishimoto Automotive
203
$82.95
$91.00
Mishimoto Liquid Chill® Synthetic Engine Coolant, Full Strength 1 Gallon MMRA-LC-FULLF
Mishimoto Automotive
203
$0.01
Starfire Purecool Concentrate Antifreeze
Santie Wholesale Oil Company
$0.01
Starfire Purecool Concentrate Antifreeze
Santie Wholesale Oil Company
$9.99
$14.99
DEI Radiator Relief Cooling Additive 16-Oz 1990
CJ Pony Parts
33% off
$9.99
$14.99
DEI Radiator Relief Cooling Additive 16-Oz 1990
CJ Pony Parts
$20.95
Ford F-250 Super Duty Mishimoto Liquid Chill Radiator Coolant Additive MMRA-LC
AmericanTrucks.com
223
$20.95
Ford F-250 Super Duty Mishimoto Liquid Chill Radiator Coolant Additive MMRA-LC
AmericanTrucks.com
223
$27.95
$31.00
Mishimoto Liquid Chill Synthetic Engine Coolant, Premixed MMRA-LC-505064F
Mishimoto Automotive
221
$27.95
$31.00
Mishimoto Liquid Chill Synthetic Engine Coolant, Premixed MMRA-LC-505064F
Mishimoto Automotive
221
$15.99
$22.04
Red Line 80204 Mustang "Water Wetter" Coolant Additive 2000
CJ Pony Parts
27% off
$15.99
$22.04
Red Line 80204 Mustang "Water Wetter" Coolant Additive 2000
CJ Pony Parts
$20.95
Charger Liquid Chill Radiator Coolant Additive MMRA-LC
American Muscle
223
$20.95
Charger Liquid Chill Radiator Coolant Additive MMRA-LC
American Muscle
223
$32.99
Keyser Manufacturing 530 4032: Keyser Manufacturing 40 Below Coolant Additive
Summit Racing
13
$32.99
Keyser Manufacturing 530 4032: Keyser Manufacturing 40 Below Coolant Additive
Summit Racing
13
$13.89
Red Line Water Wetter Coolant Additive: Water Wetter Is A Unique Wetting Agent For Cooling Systems Which Reduces Coolant Temperatures By As Much As...
Turner Motorsport
$13.89
Red Line Water Wetter Coolant Additive: Water Wetter Is A Unique Wetting Agent For Cooling Systems Which Reduces Coolant Temperatures By As Much As...
Turner Motorsport
$15.99
$22.04
Red Line "Water Wetter" Coolant Additive | Classic Muscle
Classic Muscle Parts
27% off
$15.99
$22.04
Red Line "Water Wetter" Coolant Additive | Classic Muscle
Classic Muscle Parts
$17.99
VP Racing Fuels Cool Down Coolant Performance Improver, 16Oz., 2085
Advance Auto Parts
250
$17.99
VP Racing Fuels Cool Down Coolant Performance Improver, 16Oz., 2085
Advance Auto Parts
250
$25.09
Dei Heater Hotter, 16 Oz. Coolant Additive Improves Warm-Up Time By
eBay
Free shipping
$25.09
Dei Heater Hotter, 16 Oz. Coolant Additive Improves Warm-Up Time By
eBay
Free shipping
$22.99
BMW F82 M4 S55 3.0L - Mishimoto Liquid Chill Radiator Coolant Additive - 4Oz: Add To Coolant To Increase Heat Transfer And Lower Temps.
Turner Motorsport
$22.99
BMW F82 M4 S55 3.0L - Mishimoto Liquid Chill Radiator Coolant Additive - 4Oz: Add To Coolant To Increase Heat Transfer And Lower Temps.
Turner Motorsport
$30.05
$34.78
Mishimoto MMRA-LC Mishimoto Liquid Chill Radiator Coolant Additive 4Oz Bottle
Sparktec Motorsports
223
13% off
$30.05
$34.78
Mishimoto MMRA-LC Mishimoto Liquid Chill Radiator Coolant Additive 4Oz Bottle
Sparktec Motorsports
223
$18.69
Ford F-150 Royal Purple Ice Super Coolant 1600
AmericanTrucks.com
5
$18.69
Ford F-150 Royal Purple Ice Super Coolant 1600
AmericanTrucks.com
5
$26.99
Engine Ice 83-0101 Hi-Performance Coolant Antifreeze 1/2 Gallon
eBay
$26.99
Engine Ice 83-0101 Hi-Performance Coolant Antifreeze 1/2 Gallon
eBay
$59.99
Red Line Supercool Performance Coolant - Concentrate - 1 Gallon: Red Line Supercool Concentrate Fortified With Waterwetter Is A Concentrated ...
Turner Motorsport
7
Free shipping
$59.99
Red Line Supercool Performance Coolant - Concentrate - 1 Gallon: Red Line Supercool Concentrate Fortified With Waterwetter Is A Concentrated ...
Turner Motorsport
7
Top 5 Best Coolant Additives in 2026 [Reviews & Buying Guide]
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Top 5 Best Coolant Additives in 2026 [Reviews & Buying Guide]
8K viewsMar 16, 2023
YouTubeAutos Square
TOP 5 Best Coolant Additive 2026 | The ONE Coolant Additive Every Car Owner Needs
6:28
TOP 5 Best Coolant Additive 2026 | The ONE Coolant Additive Every Car Owner Needs
10.9K viewsJun 29, 2022
YouTubeUnbox Now
What is the Best Coolant Additive to Use in Your Car or Truck and WHY | Anti-Rust vs Heat-Reducer
11:11
What is the Best Coolant Additive to Use in Your Car or Truck and WHY | Anti-Rust vs Heat-Reducer
246 views4 months ago
YouTubeTorque Truth
The Top 5 Best Cooling Additives in 2025 - Must Watch Before Buying!
9:05
The Top 5 Best Cooling Additives in 2025 - Must Watch Before Buying!
29 views5 months ago
YouTubeThe Top Best
Do "Super Coolants" Lower Engine Temperature By 30 Degrees?
17:35
Do "Super Coolants" Lower Engine Temperature By 30 Degrees?
823K viewsMar 2, 2025
YouTubeProject Farm
Ford Super Duty Check Coolant Additive & How to test it. (F250, F350). Test strip kit.
8:17
Find in video from 06:16Serviceing Coolant with Supplemental Additive
Ford Super Duty Check Coolant Additive & How to test it. (F250, F…
28.1K viewsAug 28, 2021
YouTubeThe Real World
Radiator Relief Performance Coolant Additive from Design Engineering, Inc.
1:06
Find in video from 00:14What is Radiator Relief?
Radiator Relief Performance Coolant Additive from Design Eng…
3.4K viewsAug 9, 2022
YouTubeDesign Engineering, Inc.
1:42
Cooling System Additives - Turbo and High-Tech Performance Magazine
Feb 5, 2007
MotorTrendHOT ROD Staff
Hy-Per Cool radiator additive really works but there's just one catch.
14:02
Find in video from 06:02Checking the Temperature
Hy-Per Cool radiator additive really works but there's just one catch.
13.7K viewsOct 9, 2022
YouTubeJack of All Trades
10:07
Best Radiator Coolant for Hot Weather of 2025 [Updated]
17.1K viewsAug 7, 2022
YouTubeCustomer Reviews
16:17
17 Proven Additives to Make Your Engine Last Longer and Run Better
206 views5 months ago
YouTubeCar Vitalize
19:54
13 Engine Additives That Work (And 5 That’ll Kill Your Car)
910.9K views9 months ago
YouTubeCar Care Clues
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The Best Coolant in the World and Why
1.5M viewsMar 19, 2018
YouTubeScotty Kilmer
9:04
Top 5 Radiator Stop Leaks to Fix Coolant Leaks Fast in 2025
4.8K views11 months ago
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9:01
The Top 5 Best Oat Coolant in 2025 - Must Watch Before Buying!
737 viewsFeb 5, 2025
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157.4K viewsSep 16, 2020
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How To: Test Antifreeze
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Find in video from 00:15Checking Engine Coolant Status
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YouTubeO'Reilly Auto Parts
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How To Choose The Right Coolant For Your Car
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How To Flush & Replace Coolant - SUPER DIYs
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Find in video from 00:21How to Mix Universal Coolant with Food Dye
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YouTubeHardly Moving Productions
Understanding the Basic Types of Antifreeze/Coolant
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Find in video from 00:47Types of Coolants
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Restoring a Filthy Coolant System: Your DIY Guide
580.9K viewsSep 18, 2024
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How to Flush a Coolant System in Your Car (the Easy Way)
3:22
Find in video from 00:29Draining the Drain Pan and Removing the Radiator Hose
How to Flush a Coolant System in Your Car (the Easy Way)
2.1M viewsAug 18, 2011
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16:05
Are Any Of These Coolant Stop Leaks Worth Trying On Your Vehicle??
113.2K views9 months ago
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How to FIND A Coolant Leak (DIY) AND The 5 Most Likely Coolant Leak Areas!
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DIY Engine Coolant Refill for 2016-2022 Mercedes-Benz GLC (X253)
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Find in video from 00:53Checking the Level of Coolant
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1.4K viewsDec 10, 2024
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See more

Shop best coolant temp additive

Sponsored
About our ads
$53.56
Red Line 80204 Waterwetter Super Coolant - 12 Ounce (4 Pack)
Amazon.com
73
Free shipping
$53.56
Red Line 80204 Waterwetter Super Coolant - 12 Ounce (4 Pack)
Amazon.com
73
$9.81
$11.41
Royal Purple 01600 Purple Ice Super-Coolant Radiator Additive - 12 Oz.
Amazon.com
1K+
Free shipping
14% off
$9.81
$11.41
Royal Purple 01600 Purple Ice Super-Coolant Radiator Additive - 12 Oz.
Amazon.com
1K+
$20.95
Mishimoto Liquid Chill Radiator Coolant Additive (Universal 4 Oz. Bottle)
Blessed Performance
$20.95
Mishimoto Liquid Chill Radiator Coolant Additive (Universal 4 Oz. Bottle)
Blessed Performance
$31.69
WIX 24058 Radiator Liquid Cooling Treatment
Amazon.com
5
$31.69
WIX 24058 Radiator Liquid Cooling Treatment
Amazon.com
5
$17.99
Koolance 702 Liquid Coolant, High-Performance, UV Blue, 700Ml (24 Fl Oz)
Koolance
128
$17.99
Koolance 702 Liquid Coolant, High-Performance, UV Blue, 700Ml (24 Fl Oz)
Koolance
128
$20.95
PEAK FINAL CHARGE Global Extended Life Concentrate Antifreeze/Coolant For All Heavy Duty Engine Cooling Systems, 1 Gal.
Amazon.com
71
$20.95
PEAK FINAL CHARGE Global Extended Life Concentrate Antifreeze/Coolant For All Heavy Duty Engine Cooling Systems, 1 Gal.
Amazon.com
71
$17.99
Koolance 702 Liquid Coolant, High-Performance, UV Purple, 700Ml (24 Fl Oz)
Koolance
$17.99
Koolance 702 Liquid Coolant, High-Performance, UV Purple, 700Ml (24 Fl Oz)
Koolance
$108.99
Koolance 702 Liquid Coolant, High-Performance, UV Blue, 5000Ml (169 Fl Oz)
Koolance
5
$108.99
Koolance 702 Liquid Coolant, High-Performance, UV Blue, 5000Ml (169 Fl Oz)
Koolance
5
$19.45
Mayhems - Water Cooling PC Coolant Additive - Hades Plus - Coolant Life Extender, 15 Ml
Amazon.com
$19.45
Mayhems - Water Cooling PC Coolant Additive - Hades Plus - Coolant Life Extender, 15 Ml
Amazon.com
$58.95
12:1 Nano Cool - High Performance Coolant Enhancer Single 1-Gal Jug
Starlight Maintenance, Inc.
$58.95
12:1 Nano Cool - High Performance Coolant Enhancer Single 1-Gal Jug
Starlight Maintenance, Inc.
$13.99
Red Line Waterwetter: Antifreeze Additive, Reduces Coolant Temperatures By As Much As 30 Deg. F, 12 Oz., 80204
Advance Auto Parts
2K+
$13.99
Red Line Waterwetter: Antifreeze Additive, Reduces Coolant Temperatures By As Much As 30 Deg. F, 12 Oz., 80204
Advance Auto Parts
2K+
$19.99
PEAK Fleet Charge SCA Precharged Concentrate Antifreeze And Coolant For All Heavy Duty Engine Cooling Systems, 1 Gal.
Amazon.com
13
$19.99
PEAK Fleet Charge SCA Precharged Concentrate Antifreeze And Coolant For All Heavy Duty Engine Cooling Systems, 1 Gal.
Amazon.com
13
$55.88
Starfire Purecool 50/50 Antifreeze
Santie Wholesale Oil Company
$55.88
Starfire Purecool 50/50 Antifreeze
Santie Wholesale Oil Company
$16.99
PEAK Titanium 50/50 Prediluted Antifreeze And Coolant For All Engine Cooling Systems, Long-Lasting Yellow Engine Coolant/Antifreeze For Lifetime
Amazon.com
31
$16.99
PEAK Titanium 50/50 Prediluted Antifreeze And Coolant For All Engine Cooling Systems, Long-Lasting Yellow Engine Coolant/Antifreeze For Lifetime
Amazon.com
31
$22.94
64 Oz. VP Racing Stay Frosty Race-Ready Coolant - 50/50 | VP Racing 2301
Summit Racing
6
$22.94
64 Oz. VP Racing Stay Frosty Race-Ready Coolant - 50/50 | VP Racing 2301
Summit Racing
6
$22.73
$26.50
Lucas Antifreeze / Coolant Additive - Super Coolant - 16.00 Oz Bottle - Each
Sparktec Motorsports
20
14% off
$22.73
$26.50
Lucas Antifreeze / Coolant Additive - Super Coolant - 16.00 Oz Bottle - Each
Sparktec Motorsports
20
$70.59
Starfire Purecool Concentrate Antifreeze
Santie Wholesale Oil Company
$70.59
Starfire Purecool Concentrate Antifreeze
Santie Wholesale Oil Company
$8.99
$15.99
DEI Heater Hotter 16 Oz. Performance Coolant Additive
CJ Pony Parts
33
43% off
$8.99
$15.99
DEI Heater Hotter 16 Oz. Performance Coolant Additive
CJ Pony Parts
33