Spectra Premium SP3974M Fuel Pump Module for Cadillac DeVille/El Dorado 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 percentage tested fuel level senders