Doc's Diesel x Hot Shot's Secret The Shift Automatic Transmission Protectant + CleanerAbout Product: Doc's Diesel & Hot Shot's Secret are partnering to bring you The Shift, an automatic transmission protectant and cleaner to use as a preventative maintenance product or to fix an existing problem. This Group V Ester helps resolve problems like erratic shifting, hesitation, rough operation, noise, and overheating. It dissolves harmful gum and varnish on transmission components, while lubricating and protecting for longer transmission

Doc's Ram 6

fewer cold starts

Doc’s Diesel Oil + Filter Maintenance Kit's have everything you need to make routine maintenance easy—fresh high-quality engine oil and all the necessary filters in one box

more power

7L Powerstroke Fuel/Water Separator Filter 2017-2025

DGF430+DGF401+D5335

Includes 6 Engine Air Filters

Doc's 5W-40 Full Synthetic Heavy Duty Diesel Oil

7L Cummins Oil Filter 1989-2025 (Doc's NEW Black Oil Filter featuring upgraded materials and an enhanced grip

It’s simple upkeep that keeps your truck on the road where it belongs

4L Powerstroke Air Filter 2008-2010

and with our Filter Sets