Radiator Expansion Tank Cap Pressure Seal SKU: QT44137

This is a radiator expansion tank cap that helps maintain proper pressure in the cooling system and prevents coolant overflow.

Crafted for farm use, it seals reliably even under vibration, heat, and frequent temperature changes.

• Designed specifically for use on expansion or overflow reservoirs
• Spring-loaded valve ensures controlled pressure relief
• Metal or corrosion-resistant materials for long life
• Compact form suited for tight mounting around tanks

Installation Tip: Replace when engine is cool, clean the sealing edge of the reservoir, press and twist the cap to seat it firmly, and check that the valve opens freely.

It’s a dependable replacement that helps keep your cooling system stable and avoids coolant loss during heavy use.