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10 bestEngine Coolantsof November 2025

112M consumers helped this year.

10% off

1

EPAuto Spill Proof Radiator Coolant Filling Funnel Kit
EPAuto Spill Proof Radiator Coolant Filling Funnel Kit

EPAUTO

9.9

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2

Zerostart 3308003 Series 8000 Light Duty Circulation Heater, 5/8" (15.9 mm) Diameter Inlet/Outlet | CSA Approved | 120 Volts | 1500 Watts
Zerostart 3308003 Series 8000 Light Duty Circulation Heater, 5/8" (15.9 mm) Diameter Inlet/Outlet | CSA Approved | 120 Volts | 1500 Watts

Zerostart

9.8

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3

4-in-1 DEF Antifreeze Coolant Refractometer for Automobile Antifreeze System, Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid
4-in-1 DEF Antifreeze Coolant Refractometer for Automobile Antifreeze System, Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid

aichose

9.5

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11% off

4

Mopar 10 Year/150,000 Mile Coolant 50/50 Premixed
Mopar 10 Year/150,000 Mile Coolant 50/50 Premixed

Mopar

9.3

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5

Prestone AF2000 Extended Life Antifreeze - 1 Gallon
Prestone AF2000 Extended Life Antifreeze - 1 Gallon

Prestone

9.0

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5% off

6

Engine Ice TYDS008 High Performance Coolant - 0.5 Gallon
Engine Ice TYDS008 High Performance Coolant - 0.5 Gallon

Engine Ice

8.7

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7

Prestone AF850 Dex-Cool 50/50 Antifreeze - 1 Gallon
Prestone AF850 Dex-Cool 50/50 Antifreeze - 1 Gallon

Prestone

8.4

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8

Dorman 902-3036 Engine Coolant Thermostat Housing Assembly Compatible with Select Models
Dorman 902-3036 Engine Coolant Thermostat Housing Assembly Compatible with Select Models

Dorman

8.1

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9

A-Premium Engine Coolant Reservior Tank with [Cap & Sensor] Compatible with BMW E60 E61, 525i 525xi 528i 528xi 530i 530xi 535i 535xi 545i 550i 645Ci 650i, Replace for 17137542986, 17137519219
A-Premium Engine Coolant Reservior Tank with [Cap & Sensor] Compatible with BMW E60 E61, 525i 525xi 528i 528xi 530i 530xi 535i 535xi 545i 550i 645Ci 650i, Replace for 17137542986, 17137519219

A-premium

7.8

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10

K-Seal ST5516 HD Multi Purpose One Step Permanent Coolant Leak Repair
K-Seal ST5516 HD Multi Purpose One Step Permanent Coolant Leak Repair

K-Seal

7.5

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