Mopar Performance 55116897AA Radiator Cap 18 PSI

The Mopar Performance 55116897AA is an OE-quality radiator cap designed to maintain optimal pressure in your vehicle's cooling system. This genuine Mopar component ensures reliable performance and a perfect fit for various Chrysler, Dodge, Jeep, and Ram vehicles from 2003-2023.

Key Features:

• 18 PSI pressure rating for optimal cooling system performance
• Maintains proper coolant system pressure to prevent coolant loss
• Raises boiling point approximately 54 degrees Fahrenheit above unpressurized coolant
• Prevents engine overheating by maintaining system integrity
• Direct OEM replacement for factory reliability
• Metal construction for durability and long service life

This radiator cap is engineered to maintain the correct pressure in your cooling system, which is critical for preventing coolant from boiling over and ensuring efficient engine operation. The 18 PSI rating is specifically designed for high-performance applications including 4.7L V8, 5.7L HEMI, 6.1L SRT HEMI, 3.0L/3.1L turbo diesel, and various V6 engines. Compatible with both automatic and manual transmissions across multiple Mopar vehicle platforms.