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- Keep your vehicle safe by sealing and maintaining pressure on the cooling system with an AC Delco Radiator Pressure Cap
- Maintains efficiency by raising the boiling point of engine coolant
- Provides expanded coverage over your original factory component
- Your AC Delco Radiator Cap is supported by a 12-month/12,000 mile warranty
Nothing’s more important than keeping your vehicle and the people in it safe. Install an ACDelco Radiator Cap today and maintain the right amount of pressure on your cooling system. Also capable of raising the boiling point of engine coolant, these first-rate caps offer expanded coverage over your OE piece. 12-month/12,000 mile warranty.