Designed specifically for Cummins B and C-Series engines, these kits are complete with all components ready for installation. The kit will mount directly to Cummins supplied mounting bracket part no. EG-9907 (4B/T/TA3.9-P) or EG-9904 (6B/T/TA5.9-P). See p-2. These kits include our exclusive SWICHGAGE®s for basic engine protection. A Closed-loop protective circuit is provided by Murphy 518PH magnetic switch to ensure proper operation at all times.