Thank You for looking. Up for sale is a replacement gasket for the Cummins part number 4928511 that was discontinued. We found an original gasket still in a package and sampled the material to find the exact rubber composition. These have been cut to the original specifications with many satisfied customers. Any questions feel free to contact us.
This link may help you decide if the 4928511 or the 4928512 is the right gasket for you.
https://www.countrycoachforums.com/index.php?PHPSESSID=e458fh2ku8l0fmumabkp6eqpnc&action=media;sa=media;in=1127