Can 303 be used to prevent engine rubber and hose from cracking ?

[iforcev8]

I always see old cars with deteriorated hoses, Could applying 303 prevent this?

[Short Cut]

Here's what their website says about 303 on rubber.

303 Aerospace Protectant For Rubber
From aircraft pressurization door seals to the inflatable boats at Disney World's Typhoon Lagoon or for the rubber hoses, seals, and tires on your vehicle, manufacturers' tests show only 303 protects against rubber's worst enemies, UV light and ozone.
303 Aerospace Protectant is the World's Best for rubber.

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[iforcev8]

It says it will protect against UV and Ozone damage, So since it is under the hood, is ozone the factor that makes things ( my hoses ) dry and crack