Description:

2 Pcs 21430 8991A Radiator Caps provide precise pressure control for Nissan Altima, Frontier, Pathfinder, Xterra, and Infiniti EX35, FX35 vehicles to prevent coolant boiling and engine overheating.

• Pressure Rating: 137kPa to 142kPa to maintain optimal cooling system pressure and temperature regulation
• Material: Stainless steel components for resistance to corrosion and wear in high temperature environments
• Function: Prevents coolant overflow, air entry, and irregular temperature fluctuations
• Installation: Direct replacement design requiring no special tools or modifications
• Compatible Part Numbers: 21430 8991A, 21430 8997A, 6L2Z8100AC, 10267, 33086, T 20R, and 31564
• Quantity: 2 radiator caps per package