AMP Research 78154-01A PowerStep Xtreme Running Boards Plug N Play System for 2014-2018 Silverado/Sierra 1500 (Incl 2019 Silverado LD/Sierra Limited), 2015-2019 Silverado/Sierra 2500/3500 Excludes Dually, Double/Crew Cab 1983-1991 mazda rx-7 1.3l 6 Duramax LML fuel system

6 Duramax LML fuel system needs following a CP4 failure

7L Cummins Diesel 4WD (8-Bolt & without Overload springs)

Bushing Material: Polyurethane

OEM Part #: 3211161 / 3211106

AMP Research 78154-01A PowerStep Xtreme Running Boards Plug N Play System for 2014-2018 Silverado/Sierra 1500 (Incl 2019 Silverado LD/Sierra Limited), 2015-2019 Silverado/Sierra 2500/3500 Excludes Dually, Double/Crew Cab 1983-1991 mazda rx-7 1.3l 6 Duramax LML fuel systemPowerStep Xtreme Electric Running Board for Extreme Conditions fits 2014 2018 Silverado Sierra 1500 (Incl 2019 Silverado LD Sierra Limited), 2015 2019 Silverado Sierra 2500 3500 Excludes Dually, Double Crew Cab Legendary reliability with durable, high texture powder coated finish to resist corrosion OEM quality motors, drive system and wiring harness that sets the industry standard 5 year 60,000 mile warranty Dual motors drive this electric powered