DPF filter?

614963

{"text":"How often or when do you replace DPF filter? I am right at 220,000 miles but I lost a crank and was going through a gallon of oil between last few oil changes. It is on a 2012 Cascadia with a Cummins.","pics":"[]","canComment":true}

629138

{"replyTo":"","text":"I got 400,000 out of my first ones got a Detroit dd15 tho","replyToPid":0}

657742

{"replyTo":"","text":"Check engine will come on,and when you go to the dealer they will tell you it’s time to change the DPF filter, I changed mine around 320000 mi","replyToPid":0}