The US MOTOR WORKS 6.6L V8 Fuel Pump Module Assembly (Part #: USEP3840M) is engineered to provide reliable fuel delivery for 2014 GMC Sierra 2500HD and 3500HD models equipped with the 6.6L V8 LML diesel engine. This in-tank assembly includes the fuel tank sending unit, ensuring accurate fuel level readings and consistent fuel supply under various operating conditions. Designed to meet or exceed original equipment specifications, the USEP3840M module is constructed with high-quality materials compatible with modern diesel fuel blends, enhancing durability and longevity. The assembly operates at a voltage of 12.0 VDC, with a minimum flow rate of 160.0 LPH and a pressure range between 65.0 to 75.0 PSI, accommodating the fuel demands of heavy-duty diesel engines. The resistance values are 40.0 Ohms when full and 250.0 Ohms when empty, aligning with standard industry specifications for accurate fuel level monitoring. By choosing the US MOTOR WORKS USEP3840M Fuel Pump Module Assembly, fleet operators can ensure consistent fuel delivery, contributing to improved engine performance and reduced downtime.