HFP-A81 New Replacement Fuel Pump Assembly with Sending Unit - 1999-2003 Chevrolet Silverado/Sierra Includes a Universal Installation Kit with the all important Strainer-everything needed for a full easy replacement All HFP pumps meet or exceed OEM specifications in fit, form and function Includes Superior Impeller outer-case mechanism to maximize fuel flow This pump is designed and constructed for problem free usage in excess of 100,000 miles of vehicle operation CONTACT US with any questions and we will respond promptly This assembly is OEM and installs directly withoutmodifications. Itis dimensionally and functionally identical to the OE pump motor. Fits:Chevrolet Silverado 1500 1999-2003,Chevrolet Silverado 1500 HD 2001-2003,Chevrolet Silverado 2500 1999-2003, Chevrolet Silverado 2500 HD 2001-2003,Chevrolet Silverado 3500 2001-2003,GMC Sierra 1500 1999-2003,GMC Sierra 1500 HD 2001-2003,GMC Sierra 2500 1999-2003,GMC Sierra 2500 HD 2001-2003,GMC Sierra 3500 2001-2003,GMC Sierra C3 2001,GMC Sierra Denali 2002-2003 Polished corrosion-resistant case to help minimize seizing during non-operation Specifically designed for<span class="a-text-bold"><u>quiet</u></span>operation Drop-in replacement Gradient density fuel strainer for superior contaminant filtration Compatible with modern ethanol-infused pump gasoline