DEi Radiator Relief Diesel Coolant Additive

Radiator Relief™ for Diesel engines, supercharges your radiator by transferring heat more efficiently through the radiator.
This proven coolant additive will reduce your operating temperature by up to 15°C degrees and reduce engine wear that occurs during extreme heat.

Radiator Relief™ for Diesels is also formulated with a corrosion inhibitor that reduces mineral deposits.

16oz / 473ml Bottle