Part #M312871 Chevrolet - Silverado Pickups (1999-2003), V6 4.3 (2002-2004), V8 4.8 (2002-2003), V8 5.3 (1999-2003), V8 6.0 (1999-2003), V8 6.0 (2001) - Primary, V8 8.1 (2001) - Primary, V8 8.1 (2001-2003) GMC - Sierra Pickups (1999-2003), V6 4.3 (2002-2004), V8 4.8 (2002-2003), V8 5.3 (2002-2003), V8 6.0 (2001-2003), V8 8.1 (2001-2003) Carquest Premium fuel pump modules and assemblies are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. We have invested in industry-leading quality improvements like upgraded turbine impellers and 100% carbon commutators to deliver greater reliability. Carquest Premium fuel pump modules are supplied with the pump strainer and gaskets or seals when required for the application. Carquest Premium fuel pump modules are engineered with superior quality components to provide the longest life and reliable performance. All fuel pumps are 100% performance tested OE upgraded turbine impellers greatly reduce fuel pulsation 100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump Includes installation gaskets or seals where applicable Meets or exceeds OE specifications for fit, form and function