Gates FCM124K Engine Cooling Fan Module

Engine Cooling Control for Mercedes-Benz

The Gates FCM124K Engine Cooling Fan Module regulates electric cooling fan speed to help maintain stable engine coolant temperature. Built for 12-volt systems with a 35-amp rating, it is a direct-fit cooling control component for select Mercedes-Benz E-Class applications.

Gates Engine Cooling Fan Module products focus on precise fan control for vehicles that rely on electronically managed cooling. This module includes a female connector, a 7-pin connector interface, a metal housing, and an included wire harness for the specified application.

Key Features

• Part number: FCM124K
• 12-volt electrical system
• 35-amp amperage rating
• 1 female connector with 7 pins
• Metal housing for underhood durability
• Wire harness included
• Measures 5.4 in. long, 3 in. wide, and 2.05 in. high

Detailed Product Overview

The Gates FCM124K is an engine cooling fan module that manages electric fan operation by adjusting speed as cooling demand changes. That control helps the cooling system maintain a consistent temperature range while reducing unnecessary electrical load. It is listed for Mercedes-Benz E320, E430, E55 AMG, and E300 applications from 1998 through 2003, including solution kit notes tied to VIN breakpoints. If you are replacing a failed Mercedes-Benz E-Class cooling fan control unit, FCM124K is the part number to verify against your vehicle identification and connector layout.

This part cross-references Bosch 0255453232 for the same application.

What It Helps Address

• Cooling fan stuck on or not engaging
• Engine temperature fluctuations at idle or low speed
• Poor fan speed control from a failed module
• Cooling system warning lights related to fan control
• Electrical load issues caused by improper fan operation

Installation Notes and Tips

Confirm the VIN breakpoint, connector style, and pin count before ordering. This module uses a female connector and a 7-pin interface, so matching the original electrical connection is important for proper operation. Inspect the fan motor, wiring, and related cooling components during replacement to avoid repeat failures. Fits 1998-2003 Mercedes-Benz E320, N/A; Fits 1998-2002 Mercedes-Benz E430, N/A; Fits 1999-2002 Mercedes-Benz E55 AMG, N/A; Fits 1998-1999 Mercedes-Benz E300, N/A.

Quality Assurance

Gates manufactures this cooling fan module as part of its Engine Cooling Fan Module line, with application-specific fitment and electrical specifications listed for the referenced Mercedes-Benz models.