The tires on my C are approaching 5 years old. A buddy of mine suggested new tires at 5 years regardless of how many miles are on them. I have 26,000 on them now. They are OEM Generals and seem to ...
Look at the date codes on the side of the tire. The first two numbers are the week of the year they were made and the second numbers the year. 1209 would be twelfth week of 2009. A tire separation or complete failure could remove some very important pieces of your coach before you get it stopped. My BIL had a front tire blowout on a class A and it took out wiring, panels and did sidewall damage.