Prestone Coolant Antifreeze Concentrate - All Makes And Models - 4 Litre

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Item code: 3521722

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Specifications

Suitable for:

All makes and models

Pack Size::

4 Litres

Additional Information:

Mixes safely with any existing coolant/ antifreeze in the system

Additional Information:

Provides like new perforance after 4 million mile fleet test

OE Number

PAFR0045B

PAFR0045B

Overview

Prestone Coolant Antifreeze Concentrate - All Makes and Models - 4 Litre

Prestone Coolant Antifreeze Concentrate (4 Litre) delivers maximum thermal management and heavy-duty corrosion protection for all passenger cars, vans, and light commercial vehicles. Engineered with Prestone’s patented Cor-Guard technology, this concentrated formulation is guaranteed for all makes, all models, and mixes safely with any existing coolant color without clogging radiators, degrading seals, or voiding warranties. Designed for complete system refills or custom dilution ratios, it protects cooling system components from freeze-up, boil-over, rust, cavitation, and scale build-up for up to 10 years or 300,000 miles (480,000 km).

Key Features & Benefits

Universal All Makes & Models Formulation: Compatible with all petrol, diesel, and hybrid liquid-cooled engines; safe to mix with any color OEM or aftermarket antifreeze (blue, green, red, pink, orange, or yellow).
Patented Cor-Guard Inhibitors: Provides 5x greater corrosion protection than standard industry benchmarks, actively shielding aluminum, cast iron, steel, copper, brass, and solder.
Extended Service Life: Offers long-life protection for up to 10 years or 300,000 miles (480,000 km) when used as a complete flush and fill.
Extreme Temperature Defense: Defends against extreme winter freezing down to -64°C and high-load boiling up to +136°C (depending on concentration ratio and using a 15 psi pressure cap).
Component Safe: Fully compatible with OEM rubber hoses, silicone seals, water pump gaskets, and polymer thermostat housings.
Concentrated Value: 4-litre concentrate yields up to 8 litres of 50/50 ready-to-use protective coolant when mixed with deionized or distilled water.

Directions for Use

System Preparation: Ensure the engine is switched off and completely cold. Drain the existing coolant via the radiator drain petcock or lower hose. For optimal protection and warranty-grade performance, flush the system first using Prestone Cooling System Flush.
Dilution: In a clean container, mix Prestone Coolant Antifreeze Concentrate with distilled or demineralized water according to the desired climate protection level (a 50/50 ratio is recommended for standard road driving).
Fill the System: Pour the diluted mixture into the radiator or coolant expansion reservoir until it reaches the cold fill line.
Bleed Air Pockets: Replace the pressure cap loosely, turn the cabin heater to maximum heat, and run the engine until the thermostat opens to circulate coolant and expel air locks.
Final Inspection: Switch off the engine, allow it to cool, check the fluid level, top up to the maximum fill mark if necessary, and secure the radiator/expansion cap tightly.

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Hazards & Warnings

Causes skin irritation. May cause an allergic skin reaction. Causes serious eye damage. Use PPE, handle with care and keep out of reach of children and pets.