Description:

Xspeedonline 2 Pcs Engine Cooling Radiator Cap for Nissan and Infiniti Models, Direct for 21430-8991A 21430-8997A. Maintains Optimal Cooling System Pressure - Features a 143kPa pressure rating to prevent coolant boiling and protect against engine overheating, helping to maintain consistent temperature control and cooling efficiency.. Enhanced Construction with Stainless Steel - Incorporates stainless steel components that provide reliable resistance to corro-sion and wear, ensuring consistent performance in demanding engine environ-ments.. Complete Cooling System Protection - Helps prevent common issues caused by pressure loss including coolant overflow, air entry into the system, and irregular engine temperature fluctuations.. Direct Replacement Installation - Designed for straightforward installation without modifications, making it easy to replace your existing radiator cap and restore proper cooling system function..