



❄️ Keep your engine chill and your ride legendary!
Design Engineering Radiator Relief Coolant Additive is a powerful, US-made formula that lowers engine temperatures by up to 30°F, prevents overheating and corrosion, and reduces mineral scale buildup. Compatible with all antifreeze types and radiator materials, it ensures enhanced heat transfer and engine longevity with a safe, easy-to-use, non-toxic formula ideal for cars, trucks, RVs, motorcycles, and more.






| Manufacturer | Design Engineering |
| Brand | Design Engineering |
| Model | Radiator Relief Coolant Additive for All Water Cooled Engines |
| Item model number | 40200 |
| Exterior | Painted |
| Manufacturer Part Number | 40200 |
| OEM Part Number | 040200 |
| Item Weight | 499 g |
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