The US MOTOR WORKS USEP3648S Fuel Pump Module Assembly is engineered to provide reliable fuel delivery for 1991 Chevrolet S10 and GMC Sonoma models equipped with a 2.8L V6 173 CID engine. Designed and tested to meet or exceed original equipment specifications, this module ensures optimal engine performance and longevity. Constructed with high-quality materials compatible with today's fuel blends, it offers enhanced durability and resistance to corrosion, addressing common issues associated with fuel system components. The assembly includes all necessary components for proper installation, such as hardware and tank seals where applicable, facilitating a straightforward replacement process. With a minimum flow rate of 160.0 LPH and operating pressures between 65.0 and 75.0 PSI, the USEP3648S delivers consistent fuel supply to the engine, enhancing overall vehicle performance. The module operates on a 12.0 VDC system and features a resistance range from 40.0 Ohms (empty) to 250.0 Ohms (full), ensuring accurate fuel level readings. This fuel pump module assembly is a direct fit replacement for the following part numbers: Airtex E3648S and SP06F2H. By choosing the US MOTOR WORKS USEP3648S Fuel Pump Module Assembly, fleet operators can ensure consistent fuel delivery, reduce maintenance downtime, and enhance the overall reliability of their vehicles, leading to improved operational efficiency and reduced total cost of ownership.