Mopar 55116901AA Radiator Cap

Reliable Radiator Cap for Chrysler, Dodge, and Jeep Vehicles

The Mopar 55116901AA radiator cap is designed to maintain optimal cooling system pressure for select Chrysler, Dodge, and Jeep models. This essential component helps ensure your vehicle's engine stays within safe operating temperatures.

Key Features of Mopar Radiator Cap 55116901AA

• Compatible with Chrysler 300, Dodge Charger, Magnum, Sebring, Jeep Grand Cherokee, TJ, and Wrangler models
• Maintains proper pressure in the cooling system to prevent overheating
• Durable construction for consistent performance under varying conditions
• OEM quality to meet factory specifications
• Direct replacement for part number 55116901AA

Product Details and Compatibility

This Mopar radiator cap is engineered specifically for use in the cooling systems of Chrysler, Dodge, and Jeep vehicles, including popular models such as the Chrysler 300 and Dodge Charger, as well as Jeep Grand Cherokee and Wrangler. The cap helps regulate pressure within the radiator, ensuring coolant remains at the correct boiling point and preventing leaks or system failures. Using the correct radiator cap like the Mopar 55116901AA is critical for maintaining engine temperature and overall vehicle reliability.

Common Applications and Problem Resolution

• Prevents coolant loss due to pressure leaks
• Helps avoid engine overheating caused by improper pressure regulation
• Reduces risk of radiator hose damage from pressure spikes
• Maintains consistent cooling system performance
• Replaces worn or faulty radiator caps to restore system integrity

Installation Notes and Tips

When installing the Mopar 55116901AA radiator cap, ensure the engine is cool to avoid injury from hot coolant or steam. Remove the old cap by pressing down and turning counterclockwise, then install the new cap by aligning and turning clockwise until secure. Verify the cap seats properly to maintain system pressure. Regular inspection of the radiator cap is recommended to detect wear or damage early.

Quality Assurance and Warranty Information

As an OEM Mopar part, the 55116901AA radiator cap meets factory standards for fit, form, and function. This ensures reliable performance and compatibility with Chrysler, Dodge, and Jeep vehicles. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized Mopar service providers.