Spectra Premium SP3949H Fuel Hanger Assembly with Pump and Sending Unit for Chevrolet/Pontiac Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel pump module assemblies meet or exceed the performance of the original equipment fuel pump module assemblies they replace All units are designed to OEM, fit, form and function requirements while leveraging fuel system design experience to enhance the overall product performance OE matched electrical connections, wiring harnesses and strainers included for applicable applications Perfect fit guarantee 100 per cent tested fuel level senders