2003-2007 Ram 2500/3500 5.9 Cummins

The 2003-2007 Ram 2500/3500 brought common-rail injection to the 5.9 Cummins. Owners commonly shop for lift pumps, injectors, turbo upgrades, air bags for towing and bed covers.

Popular categories for 2003-2007 Ram 2500/3500 5.9 Cummins: turbo upgrades, fuel systems and lift pumps, tonneau covers and air bags and helper springs. Brands we carry for it include Fleece Performance, Industrial Injection, FASS Fuel Systems and S&B Filters.

Also see Ram Cummins diesel parts and all Ram & Dodge Trucks. Check the fitment notes on each product page for cab, bed length and drivetrain details.

Black Diamond Unlimited is at 3623 US Highway 62 in Ropesville, TX, about 20 miles southwest of Lubbock, and we serve truck owners across Lubbock and the South Plains. Call (806) 503-2161 (Mon-Fri 8am-5pm CT) with your year, make, model and engine and we'll confirm fitment before you order.