Delphi FG1877 Fuel Pump Module Assembly

Fuel Pump Module Assembly for Hyundai and Kia

The Delphi FG1877 fuel pump module assembly is a direct-fit replacement for select Hyundai Sonata and Kia Optima applications. Built for in-tank gasoline systems, it combines the pump, fuel level sender, regulator, strainer, gasket, and vapor pressure sensor support in one service assembly for a complete fuel delivery repair.

Key Features

• In-tank electric fuel pump module assembly for gasoline applications
• Includes fuel level sender assembly and float arm
• Regulator included for system pressure control
• Quick-connect outlet with 0.375 in. outside diameter
• 12-volt design with 4-pin male terminals
• Strainer and gasket or seal included
• Maximum pressure rating of 123 psi and average flow rating of 26
• Vapor pressure sensor included
• Standard replacement grade for OE-style service

Detailed Description

Delphi FG1877 is engineered for vehicles that use an in-tank gasoline fuel pump module with integrated fuel level sensing. Delphi draws on OE heritage and decades of supplier experience to build aftermarket fuel system parts with the fit, function, and component layout expected in service replacement work. This module is a strong match for drivers and technicians servicing 2011-2016 Kia Optima and 2013-2015 Hyundai Sonata fuel delivery concerns.

This part cross-references Airtex Fuel Pumps E8818 for the same application. It also cross-references Spectra Premium SP1392 and SP3083M for select applications.

What It Helps Fix

• Hard starting caused by weak or failing fuel pressure
• Engine stalling from inconsistent fuel delivery
• Fuel gauge errors from a worn sender assembly
• Low fuel pressure complaints in gasoline in-tank systems
• Fuel pump noise or intermittent pump operation

Installation Notes and Tips

Compatible With 2014-2016 Kia Optima, N/A; 2013-2015 Hyundai Sonata, N/A; 2012-2013 Kia Optima, N/A; and 2011 Kia Optima, N/A. For the 2011 Kia Optima, fitment begins from 11/25/2010. Clean the fuel tank before installing the replacement module to reduce the risk of contamination-related seal or pump issues. Delphi also recommends cleaning the tank before installation on the listed Hyundai Sonata and Kia Optima applications.

Verify connector style, outlet configuration, and system requirements before installation. The module uses a pin-style, 4-terminal connection and a quick-connect outlet, so matching the original setup is important for proper service.

Quality Assurance

Delphi builds this fuel pump module assembly using OE experience and application knowledge developed through long-term supply relationships with major automakers. FG1877 is a standard replacement part intended for dependable fuel system service on the listed Hyundai Sonata and Kia Optima vehicles.