2009 Tiffin Phaeton Engine Rebuild

In 2012 a inplace rebuild of a Cummins 5.9L for our Safari DP was approximately $12000, all 6 cylinders were honed and new oversized pistons installed,all other parts and work as necessary, the work was performed at Arizona Diesel in , Flagstaff, 5 years later it cost us $15000 when Cummins in Ventura Calif replaced the turbo and repaired less damage, Yes everything has gone up in price, but your quotes seem outrageous ,
Try an independent shop
DPs are great until the engine breaks, 7 years ago i switched , i went back to owning a Gasser