Four Seasons 46121 Engine Cooling Fan Clutch

Reliable Engine Cooling for Nissan and INFINITI Vehicles

The Four Seasons Fan Clutch 46121 is designed to provide efficient engine cooling for select Nissan and INFINITI models. Engineered with durable aluminum and an electro-viscous design, this electronic fan clutch helps maintain optimal engine temperature under various driving conditions.

• Constructed from lightweight, corrosion-resistant aluminum
• Electro-viscous, electronic clutch type for precise fan engagement
• Raw aluminum color with a flange mounting type and 4 bolt holes
• Compatible with Nissan Armada, NV2500, NV3500, TITAN, TITAN XD and INFINITI QX56, QX80
• Meets or exceeds OEM specifications for reliable performance
• Maximum clutch diameter of 8.38 inches and overall height of 4.34 inches
• Rotation direction: Reverse (Rev)
• Part number 46121 for accurate identification and fitment

About the Four Seasons Fan Clutch Product Line

The Four Seasons Fan Clutch line focuses on providing electronically controlled fan clutches that optimize engine cooling efficiency. This product line features electro-viscous technology, which allows the clutch to engage and disengage the cooling fan based on engine temperature and speed. The 46121 model is part of this line, offering a severe duty style designed for demanding applications in Nissan and INFINITI vehicles.

Product Details and Specifications

This engine cooling fan clutch is made from aluminum, ensuring durability and heat resistance. It features a flange mounting type with four M6x1.000 threaded bolts for secure installation. The clutch has a maximum diameter of 8.38 inches and an overall height of 4.34 inches (110.49 mm). The distance from the clutch to the mounting flange is 3.12 inches, and the fan bolt circle measures 7.72 inches. The clutch operates with a reverse rotation and includes a male terminal type. Note that mounting hardware is not included with this part.

Common Applications and Problem Solving

• Replaces worn or failing fan clutches causing engine overheating
• Addresses inconsistent fan engagement leading to poor cooling performance
• Solves excessive fan noise due to clutch slippage or failure
• Restores proper fan operation in Nissan Armada, NV2500, NV3500, TITAN, TITAN XD, QX56, and QX80 models
• Improves engine temperature regulation for severe duty driving conditions

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation. Verify compatibility with your specific Nissan or INFINITI model using the part number 46121. Use appropriate tools to remove the old fan clutch and install the new flange-mounted clutch securely with four M6x1.000 bolts. Since mounting hardware is not included, retain or replace bolts as needed. Check for proper fan rotation direction (reverse) during installation to avoid damage.

Quality Assurance and Warranty

The Four Seasons Fan Clutch 46121 meets or exceeds OEM standards, ensuring reliable performance and durability. This new, performance-rated electronic fan clutch is designed for severe duty applications. While specific warranty details are not provided here, Four Seasons products typically come with manufacturer-backed warranties to protect against defects in materials and workmanship.