Standard Ignition GDG103 Fuel Pump Mounting Gasket

Fuel Pump Mounting Gasket for Direct-Fit Service

Standard Ignition GDG103 is a fuel pump mounting gasket built for direct-fit OE replacement service on gasoline, GDI applications. It is made to match original fit, form, and function for a cleaner installation on supported Cadillac, Chevrolet, and GMC vehicles.

Use this gasket when servicing the fuel pump at the pump location on applications such as the Chevrolet Silverado 1500, Chevrolet Corvette, and GMC Sierra 1500. The GDG103 is engineered for direct system use and is built with durable materials for demanding engine environments.

Key Features

• Direct-fit OE replacement for proper fit and sealing
• Designed for gasoline direct injection (GDI) fuel systems
• Built for gas-fuel applications
• OE replacement designation for factory-style service
• Manufactured to quality standards in a certified facility
• Durable construction for harsh engine conditions

Detailed Product Overview

The Standard Ignition GDG103 fuel pump mounting gasket is intended for direct replacement of the original gasket at the pump. Its OE-style design supports accurate fitment and dependable sealing during fuel pump service, helping maintain the integrity of the fuel delivery system. This part cross-references ACDelco 12623308 for the same application.

Compatible With 2014-2018 Chevrolet Corvette, at pump; 2014-2018 Chevrolet Silverado 1500, at pump; 2013-2018 GMC Sierra 1500, at pump; 2015-2018 Cadillac Escalade, at pump; and 2016-2018 Cadillac CTS, at pump. It also fits 2015-2018 Cadillac Escalade ESV, 2016-2018 Chevrolet Camaro, 2014-2017 Chevrolet Silverado 2500, 2015-2017 Chevrolet Tahoe, 2015-2018 GMC Yukon, and 2015-2018 GMC Yukon XL, all at pump.

Common Service Uses

• Replacing a leaking or flattened fuel pump mounting gasket
• Restoring a proper seal after fuel pump service
• Addressing fuel odor or seepage at the pump interface
• Correcting sealing issues during GDI fuel system maintenance
• Servicing OE-style fuel pump assemblies on supported GM vehicles

Installation Notes and Tips

Install the gasket at the pump location and verify the sealing surfaces are clean, flat, and free of debris before assembly. Confirm vehicle application by year, make, model, and fuel system type before installation. Standard Ignition GDG103 is a direct replacement part for supported OE applications.

Quality Assurance

Standard Ignition manufactures this gasket to stringent quality standards in a certified facility and maintains quality control throughout production. The GDG103 is built with premium materials to support long service life in demanding engine conditions.