20R-0696: Cat® Reman Upgrade-to-New (UTN) DPF Filter Kit | Cat® Parts Store
Lucas Oil DPF Cleaner (64 oz.)
Amazon.com: 2 bottles DPF Filter Purge: The Most Economical Way to Clean and Protect Your Diesel Particulate Filter, Diesel Additive, High Performance Helps Regeneration No Assembling 500ml 16.9 oz x 2 : Automotive