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Get it between 2024-12-05 to 2024-12-12. Additional 3 business days for provincial shipping.
Blended for extreme use
Decrease coolant temperature up to 30 degrees
Concentrated for larger systems
Quicker warm up
Helps reduce engine wear
DEI Radiator Relief for Diesels 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 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. This is the first additive that maintains pH levels that otherwise fluctuate over time resulting in core damage.