Standard Ignition RY1904 Engine Cooling Fan Module

Engine Cooling Fan Module for Audi Applications

Standard Ignition RY1904 is an engine cooling fan module with a female terminal gender, built for direct-fit service on select Audi cooling systems. It is used in vehicles such as the Audi A4, Audi A5, Audi Q5, and Audi A6 where precise fan control is needed for stable engine temperature management.

Key Features

• Engine cooling fan module for electronic fan control
• Female terminal gender for the specified vehicle harness connection
• Standard Ignition RY1904 replacement part number
• Cross-references OE-style part numbers 8K0959501A and AR7408 for the same application
• Fits select Audi A4, Audi A5, Audi Q5, Audi S5, and related models

Detailed Description

Standard Ignition RY1904 is a cooling fan control module used to regulate radiator fan operation based on engine temperature and system demand. This part is listed for a wide range of Audi platforms, including Audi A4, Audi A5, Audi Q5, Audi S5, Audi allroad, Audi A6, Audi A7, Audi Q3, and Audi S4 applications across model years 2008 through 2018. If you are replacing a failed Audi cooling fan module, RY1904 provides a direct service option for the original electrical connection style with a female terminal.

This part cross-references OE-style part numbers 8K0959501A and AR7408 for the same application.

What It Is Used For

• Restoring radiator fan control when the cooling fan stops responding
• Addressing overheating caused by inconsistent fan operation
• Replacing a damaged or corroded fan control module connector interface
• Correcting fan speed control issues on Audi cooling systems
• Supporting proper engine temperature regulation in daily driving

Installation Notes and Tips

Verify the part number, terminal style, and vehicle fitment before installation. Confirm the connector matches the female terminal configuration and inspect the fan assembly, wiring, and related cooling components for damage or corrosion before replacing the module. For Audi A4, Audi A5, Audi Q5, and Audi S5 applications, compare the original module number to RY1904 to ensure correct service replacement.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management service parts. RY1904 is cataloged for direct replacement use on the listed Audi applications and is identified with the referenced interchange numbers for fitment verification.