Four Seasons 36983 Engine Cooling Fan Clutch

Overview of Four Seasons Fan Clutch 36983

The Four Seasons Fan Clutch 36983 is a thermal engine cooling fan clutch designed for select Nissan vehicles, including the 200SX, 510, 720, D21, and Pathfinder models. Engineered with a plastic construction and raw aluminum color, this standard duty fan clutch helps regulate engine temperature by controlling fan speed based on thermal conditions.

• Material: Durable plastic with raw aluminum finish
• Thermal clutch type for temperature-responsive operation
• Mounting type: Flange with 4 bolt holes (M6 x 1.0 thread)
• Clutch maximum diameter: 5.85 inches (148.6 mm)
• Distance from clutch to mounting flange: 3.84 inches
• Compatible with Nissan 200SX, 510, 720, D21, and Pathfinder
• New, performance-rated, and meets or exceeds OEM specifications
• Standard rotation and standard duty style

Four Seasons Fan Clutch Product Line Details

The Four Seasons Fan Clutch product line focuses on thermal engine cooling fan clutches that provide reliable temperature regulation for vehicle cooling systems. This line is designed to meet or exceed OEM standards, ensuring compatibility and performance for specific vehicle applications. The 36983 model exemplifies this approach by offering a standard duty, thermal clutch solution tailored for Nissan models requiring precise fan engagement based on engine heat.

Technical Description and Specifications

This engine cooling fan clutch features a flange mounting type with four bolt holes, each threaded M6 x 1.0, facilitating secure installation. The clutch has a maximum diameter of 5.85 inches and an overall height of approximately 4.98 inches (126.6 mm). Its thermal design allows the clutch to engage and disengage the fan based on engine temperature, optimizing cooling efficiency and reducing unnecessary fan drag. The raw aluminum color and plastic material contribute to durability while maintaining a lightweight profile. This fan clutch operates with standard rotation and is not electronically controlled.

Applications and Problem Solving

• Regulates engine temperature by controlling fan speed
• Prevents engine overheating in Nissan 200SX, 510, 720, D21, and Pathfinder models
• Reduces fan noise and improves fuel efficiency by disengaging the fan when not needed
• Replaces worn or failing thermal fan clutches to restore proper cooling function
• Helps maintain optimal engine performance under varying load conditions

Installation Notes and Tips

Installation requires flange mounting with four bolts (not included). Ensure the mounting surface is clean and free of debris before installation. Verify bolt hole alignment and torque bolts to manufacturer specifications. This fan clutch is designed for standard rotation; confirm compatibility with your vehicle’s fan rotation direction. Since mounting hardware is not included, use OEM or equivalent bolts for secure attachment. Proper installation will ensure reliable operation and longevity.

Quality Assurance and Warranty

The Four Seasons Fan Clutch 36983 is a new, performance-rated part that meets or exceeds OEM standards for fit and function. Manufactured to provide consistent thermal response and durability, this fan clutch supports reliable engine cooling system performance. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.