Radiator Cap Sealing Cap with Pressure Relief Valve SKU: QT59397

This is a radiator cap designed to seal the cooling system and protect against coolant loss or contamination.

Built for durability, it maintains a stable seal under heat, vibration, and regular operating cycles.

• Includes pressure relief valve for safe venting as needed
• Metal construction resists corrosion and wear
• Compact design fits standard radiator filler necks
• Reliable sealing performance across temperature changes

Installation Tip: Always install when the engine is cool, clean the neck sealing surface, and press and twist the cap until firmly seated.

It’s a dependable replacement that helps your cooling system remain tight and efficient from season to season.