Marelli CI50036 Ignition Switch

Ignition Switch Overview

The Marelli CI50036 ignition switch is a direct-fit replacement for select Audi A3 applications. It is built for vehicles that need a reliable electrical switch to control ignition circuit operation and starting functions.

Key Features

• Direct replacement ignition switch for compatible Audi A3 models
• Supports ignition circuit control for starting and accessory operation
• Designed for a precise fit in the original switch location
• Marelli part number CI50036 for easy identification

Detailed Description

Fits 1998-2004 Audi A3, N/A. This ignition switch is intended for drivers replacing a worn or failing switch that can cause intermittent starting, loss of accessory power, or inconsistent ignition response. The Marelli CI50036 is a practical OE-style service part for restoring normal switch function in the Audi A3 platform. CI50036 is the reference part number for this application, and it is also useful when searching for an Audi A3 ignition switch replacement by part number.

Common Issues It May Solve

• No-start condition caused by switch wear
• Intermittent ignition or accessory power loss
• Key-turn response that feels inconsistent or delayed
• Electrical contact problems inside the ignition circuit

Installation Notes

Verify the vehicle year and ignition switch application before installation. Compare the original switch connector and mounting style to the replacement part before beginning service. Professional installation is recommended for proper electrical system operation.

Quality Assurance

Marelli supplies OE-level automotive electrical components, and CI50036 is built to meet the demands of routine ignition system service.