Four Seasons 46058 Engine Cooling Fan Clutch

Engine Cooling Fan Clutch for Mercedes-Benz Applications

Four Seasons 46058 is a standard-duty thermal engine cooling fan clutch built with an aluminum body and reverse rotation design. It is a non-electronic replacement that meets or exceeds OEM requirements for select Mercedes-Benz models, including ML500, ML55 AMG, E430, SL500, SL55 AMG, and ML430.

Key Features

• Four Seasons Fan Clutch line, Part Number 46058
• Thermal, standard-duty, reverse rotation design
• Aluminum construction with raw aluminum finish
• Non-electronic clutch for mechanical cooling fan systems
• 6.3 in. maximum diameter, 2.06 in. overall height
• 3-bolt mounting with HEX mounting type
• 5.79 in. fan bolt circle and M6 x 1.0 hole thread
• Meets or exceeds OEM specifications
• Performance rated for replacement cooling system service

Product Details

This Four Seasons fan clutch 46058 is designed for reverse-rotation cooling fan setups that rely on thermal engagement to regulate airflow through the radiator and engine bay. The aluminum housing, 1.44 in. mount diameter, 1.18 in. pilot diameter, and 0.52 in. pilot depth support a precise mechanical fit in the specified Mercedes-Benz cooling system applications. This part cross-references Gates 22321 and Hayden 2685 for the same application.

Compatible With Mercedes-Benz ML500, Mercedes-Benz ML55 AMG, Mercedes-Benz E430, Mercedes-Benz SL500, Mercedes-Benz SL55 AMG, and Mercedes-Benz ML430 applications that use a reverse rotation standard-duty thermal fan clutch. Four Seasons 46058 is a direct-fit cooling system service part for these vehicles.

Common Cooling System Issues Addressed

• Fan clutch that no longer engages at the proper temperature
• Reduced radiator airflow at idle or low vehicle speed
• Cooling fan noise caused by worn clutch internals
• Engine temperature instability during stop-and-go driving
• Loss of mechanical fan control in reverse-rotation systems

Installation Notes and Tips

Verify reverse rotation, bolt pattern, pilot dimensions, and fan bolt circle before installation. This unit uses 3 mounting holes and does not include mounting hardware. Confirm the vehicle’s cooling fan and clutch style match the listed thermal, standard-duty configuration before service. For best results, inspect the fan blade, water pump, and surrounding cooling components during replacement.

Quality Assurance

Four Seasons 46058 is a new, performance-rated fan clutch that meets or exceeds OEM specifications for the listed applications. The Four Seasons Fan Clutch line is built for direct replacement service in import cooling systems, including Mercedes-Benz ML500, ML55 AMG, E430, SL500, SL55 AMG, and ML430 models.