Best Radiator Coolant Additive - April 2024

Royal Purple 01600 Purple Ice Radiator Coolant Additive 12 oz. Bottle Pack of 6

   Royal Purple 01600 Coolant Additive, Purple Ice, Treats 20 Quarts, 12 oz., Pack of 6.    Purple Ice radiator coolant by Royal Purple is a high performance synthetic additive for your radiator that will reduce engine heat by reducing the surface tension of the fluids in your cooling system. This enables improved heat transfer, optimum coolant flow, and helps to prevent the formation scale deposits in your radiator. It will also help to lubricate the seals in your water pump. One bottle will treat three to five gallons. It is ideal for use in straight water racing applications or in ant... [Read More]

• ASIN: B013FEI9R8
• UPC: 830017002168
• ASIN: B013FEI9R8
• Brand: Royal Purple
• Manufacturer: ROYAL PURPLE

Mishimoto Liquid Chill Radiator Coolant Additive

Mishimoto Liquid Chill Radiator Coolant Additive will help cool car up to 30 degrees over regular coolant. Liquid chill is non-corrosive and compatible with all coolant and or water mixtures. Made in USA.

• ASIN: B00368PF3U
• UPC: 748354800210
• ASIN: B00368PF3U
• Brand: Mishimoto
• Manufacturer: Mishimoto

Genuine Ford Fluid VC-8 Diesel Cooling System Additive - 16 oz.

For use in all heavy-duty, diesel engine cooling systems equipped with fluorescent green-colored V119 Premium Antifreeze/Coolant meeting Ford Specification - ESE-M97B44-A and yellow-colored Motorcraft Gold Antifreeze/Coolant meeting Ford Specification - WSS-M97B51-A1.

• ASIN: B000NU3LPS
• UPC: 031508421479
• ASIN: B000NU3LPS
• Brand: Ford
• Size: 16 Ounce
• Manufacturer: Ford

SUBARU SOA635071 OEM Coolant System Conditioner

Subaru SOA635071

• ASIN: B00IGZP2UE
• UPC: 826732934501
• ASIN: B00IGZP2UE
• Brand: SUBARU
• Manufacturer: Subaru

Lubegard 96001 Kool-It Supreme Coolant Treatment, 16 oz.

KOOL-IT Supreme Coolant Treatment is chemically engineered to reduce the surface tension of a coolant, thus allowing it to more deeply penetrate metal surfaces at vital heat transfer areas. This decreases operating temperatures and significantly reduces the possibility of engine overheating. KOOL-IT is ideal for: Cars, Trucks, RV’s, Towing applications and Racing/performance vehicles. Benefits include: Enhances heat transfer and reduces operating temperatures Extends coolant life up to 5 years Prevents cooling system corrosion Protects all metals from electrolysis Prevents deposits which lea... [Read More]

• ASIN: B0007ZDRXK
• UPC: 083137960010
• ASIN: B0007ZDRXK
• Brand: Lubegard
• Size: 16 Ounce
• Manufacturer: Lubegard

Lubegard 96430 Heavy Duty 2-in-1 Coolant Treatment, 32 fl. oz.

Lubegard Heavy Duty Coolant Treatment outperformed all other supplemental coolant additives (SCAs) to such a degree that it effectively stands in a league of its own. The Penray PenCool 2000 and PenCool 3000, Cummins Fleetguard DCA-4 and Lubegard HD coolant treatment were all tested using ASTM certified procedures. These tests allow evaluation, and benchmarking, of corrosion protection performance. They included ASTM D4340, ASTM D1384, and ASTM D2570. Each of the products passed these tests, with the exception of the PenCool 2000. It failed due to its inability to provide adequate corrosion pr... [Read More]

• ASIN: B006HI8N0I
• UPC: 083137964308
• ASIN: B006HI8N0I
• Brand: Lubegard
• Size: 32 Ounce
• Manufacturer: Lubegard

Royal Purple 01600 Purple Ice Radiator Coolant Additive 12 oz. Bottle Pack of 4

   Royal Purple 01600 Coolant Additive, Purple Ice, Treats 20 Quarts, 12 oz., Pack of 4.    Purple Ice radiator coolant by Royal Purple is a high performance synthetic additive for your radiator that will reduce engine heat by reducing the surface tension of the fluids in your cooling system. This enables improved heat transfer, optimum coolant flow, and helps to prevent the formation scale deposits in your radiator. It will also help to lubricate the seals in your water pump. One bottle will treat three to five gallons. It is ideal for use in straight water racing applications or in ant... [Read More]

• ASIN: B013FEI7NY
• UPC: 830017002175
• ASIN: B013FEI7NY
• Brand: Royal Purple
• Manufacturer: ROYAL PURPLE

Design Engineering 040200 Radiator Relief Coolant Additive for All Water Cooled Engines, 16 oz.

DEI Radiator Relief supercharges your radiator by transferring heat more efficiently through the radiator. Similar to the original formula this proven coolant additive will reduce your operating temperature up to 30°F reducing engine wear that occurs during extreme use. Radiator Relief is also formulated with a corrosion inhibitor that reduces mineral deposits. This is the first additive that maintains pH levels that otherwise fluctuate over time resulting in core damage.

• ASIN: B001HYQSE0
• UPC: 607078402004
• ASIN: B001HYQSE0
• Brand: Design Engineering
• Size: 16 Ounce
• Manufacturer: Design Engineering

XADO ATOMEX Stop Leak Radiator Coolant/Antifreeze Additive - Restore Radiator Parts & Prevent Future Damage (Bottle, 250 ml)

SOLID STOP-LEAK RADIATOR. COOLING SYSTEM ADDITIVE A highly efficient product of the latest generation for elimination of cooling system leakages in radiators of all types. Completely eliminates leaks, reliably and permanently seals cracks and minor damages in pipelines and joints. Eliminates loose fit of cylinder block gaskets etc. Eliminates the need for expensive repair Universal application for gasoline and diesel engines of automobiles and other equipment Neutral for materials of cooling system parts (gaskets, rubber hoses, aluminum, plastic and steel radiators) Provides a long-term ... [Read More]

• ASIN: B00KFKQ8JW
• UPC: 818887011480
• ASIN: B00KFKQ8JW
• Brand: XADO
• Manufacturer: XADO Chemical Group

Royal Purple ROY01600 PURPLE ICE SUPER COOLANT, 12 oz, 1 Pack

• ASIN: B000BRGAJ2
• UPC: 641330016004
• ASIN: B000BRGAJ2
• Brand: Royal Purple
• Size: 12 Ounce (1 Pack)
• Manufacturer: Royal Purple

Dorman 902-305 Upper Radiator Hose Coolant Filler

Dorman 902-305 Upper Radiator Hose Coolant

• UPC: 42933744
• Model: 902-305
• Color: Black
• Rating: 5.0

Mishimoto Liquid Chill Radiator Coolant Additive MMRALC

Product Features4fl oz.Use 2 bottles of Liquid Chill for trucks and SUVsNon corrosive and 100% recyclableReduces engine temperaturesManufacturer

• UPC: 186841333
• Model: MMRALC
• Color: Multicolor

RADIATOR COOLANT VACUUM REFILL KIT

Radiator Coolant Vacuum Refill Kit

• UPC: 25461191
• Model: FJ43610
• Color: Multicolor

Bapmic LF5015350 Radiator Coolant Overflow Expansion Tank Bottle w/ Cap for Mazda 3

Bapmic is a Brand of Aftermarket Replacement Auto Parts. As a Distributor and Service Provider of Auto Parts, the Wide Products Range from Chassis & Suspension, Engine Components, Auto Transmission Parts and Electric Parts. Bapmic

• UPC: 150306283

Universal Radiator Coolant Aluminum Catch Tank Overflow Reservoir Black

DESCRIPTION:         This is a Billet Aluminum Radaitor Coolant Overflow Reservoir Tank, it's 100% brand new, made as T6061 Light weight Aluminum material. this kit will prevent leaking by helping to relive pressure while increasing

• UPC: 388108387

Baldwin Filters CS5008 Chemical Coolant Additive, CS5008

Boost the quality and efficiency of motor fuels with Zoro's selection of oil and fuel additives. Baldwin Filters Coolant Additive include characteristics like: Type: Chemical.FeaturesItem: Coolant AdditiveSize/Net Weight: 16 fl. oz.Container Type: Plastic BottleType: ChemicalSub-Category:

• UPC: 872392571
• Color: Multicolor

Baldwin Filters CS5058 Chemical Coolant Additive, CS5058

Diesel fuel additives help to prevent fuel system breakdowns in industrial vehicles and diesel cars at extreme temperatures and conditions. Here are some important details for Baldwin Filters Coolant Additive. Type: Chemical.FeaturesItem: Coolant AdditiveType: ChemicalSub-Category:

• UPC: 736703831
• Model: CS5058
• Color: Multicolor

TOPAZ 17111742232 Radiator Coolant Reservoir Expansion Tank Cap for BMW E30 E34

TOPAZ is a Brand of Aftermarket Automotive Thermo-part Professional, Providing the Total Solution for Aftermarket Replacement from Engines Thermo Managements System to Air Condition. Products Mainly Concentrating German Cars. TOPAZ Will Make Continuous Efforts to

• UPC: 783227683

VicTsing 28 PCS Universal Radiator Pressure Tester Kit Coolant Vacuum Type Cooling System Kit with Case

Feature:1. 28pcs universal radiator pressure tester and vacuum type cooling system kit brings you more convenience.2. Allows easy testing for leakage in radiator system and quick change of coolant.3. Color coded radiator test cap makes

• UPC: 880455805
• Color: Blue

HQRP Radiator Coolant Level Sensor for Pontiac Bonneville 2000 2001 2002, Firebird Fourth Generation, Grand Prix Sixth Generation, REPB316405 19299321 17300 6MA + HQRP Coaster

HQRP® Coolant Level Sensor plus HQRP® Coaster; Condition: New; OEM # 10096163; WELLS # SU1302; AIRTEX # 5S1449; STANDARD # FLS24; 200 days

• UPC: 730373122
• Color: White