NEW Top Quality 600w Compatible with: Cummins / Nissan OEM type Block Heater. Compatible with: 2016-2019 Nissan Titan 5.0L diesel engine Made By the OEM Manufacturer for Cummins & Nissan Made for us right here in the good 'ol USA, NOT China! Not a flimsy stamped metal part ... solid brass, with a new rubber sealing "O" ring included. Includes a new heavy gauge 6' power cord for 120V AC and detailed installation instructions. Also replaces old block heater with LR1843 marking. Block and pad heaters have the longest life and consume considerably less electricity when used in conjunction with a controller such as the Power Badger