Posted 12/29/2008 22:02 (#550574 - in reply to #550541) Subject: Re: Question about 4840 Massey exhaust
southeast Washington
The parts would come from Cummins and yes Cummins sticks it to you and some of the exaust parts are hard to get.I have never replaced anything on my 4840 but have replaced the piece by the turbo and the pipes from the manifold to the collecter.