"Radiator cap for pressurized systems "

This radiator cap is for two-cylinder tractors with pressurized cooling systems like the John Deere 70, 70 Diesel, 80, 420/430, 520/530, 620/630, 720/730, 720/730 Diesel, 820/830/830 industrial, 1010. Our cap is authentic to the orignal design in every way. The cap has raised letters stating
"Open Slowly Pressurized" Relief pressure is 5.0 PSI same as original. Replaces John Deere AA5757R