The E2NN8100AA Radiator Cap 7LB from A & I PRODUCTS is designed to maintain optimal pressure in your cooling system. This cap features a robust construction that ensures a secure fit and reliable performance. With a pressure rating of 7 lbs, it is ideal for various automotive applications, preventing coolant loss and overheating. Made from high-quality materials, this radiator cap offers excellent resistance to wear and environmental factors, ensuring longevity and efficiency in your vehicle's cooling system.This radiator cap by A & I PRODUCTS, model E2NN8100AA, is rated for 7 psi (pounds per square inch) pressure to maintain cooling system integrity. Constructed from corrosion-resistant metal and heat-resistant rubber seals, it provides a secure closure for radiator filler necks. The cap is designed to release excess pressure to prevent system damage and maintain optimal coolant circulation. Compatible with various automotive and machinery cooling systems, it meets OEM standards for fit and pressure rating. The radiator cap supports system safety by regulating pressure and preventing coolant loss. A & I PRODUCTS E2NN8100AA is suitable for replacement in cooling systems requiring a 7 lb pressure cap.