Four Seasons 36890 Engine Cooling Fan Blade

Overview of Four Seasons Fan Blade 36890

The Four Seasons Fan Blade 36890 is engineered for reliable engine cooling in select Toyota models. Designed specifically for Toyota 4Runner, T100, Tacoma, and Tundra vehicles, this fan blade ensures proper airflow and temperature regulation under demanding conditions.

• 7 durable plastic blades with a 16.625-inch diameter
• Clockwise rotation suitable for fan clutch applications
• Hub depth of 7.5 inches for secure mounting
• Constructed from plastic and steel for strength and longevity
• Meets or exceeds OEM specifications for direct replacement
• Four M6x1.000 threaded bolts for mounting stability
• Performance rated for up to 4,000 RPM operation
• Tan color finish matching original equipment

Four Seasons Fan Blade Product Line Details

The Four Seasons Fan Blade product line focuses on engine cooling fan blades designed to work with fan clutch systems. This line emphasizes compatibility with original equipment specifications, ensuring that each fan blade like the 36890 maintains proper airflow and cooling efficiency. The fan blades are engineered to meet performance standards required by modern engines, providing a balance of durability and functionality.

Detailed Product Description

The Four Seasons Fan Blade 36890 features seven rigid plastic blades with a diameter of 16.625 inches (422.275 mm), optimized for clockwise rotation. The blade assembly includes a 7.5-inch hub depth and a bolt circle diameter of approximately 4.09 inches, secured by four M6x1.000 bolts. The combination of plastic blades and steel components offers a durable construction that withstands engine heat and mechanical stress. This fan blade is designed for fan clutch systems, ensuring efficient cooling performance at speeds up to 4,000 RPM. Its tan color matches OEM parts, facilitating seamless integration with existing cooling systems on Toyota 4Runner, T100, Tacoma, and Tundra models.

Common Applications and Problem Solving

• Replaces worn or damaged engine cooling fan blades
• Restores proper engine temperature regulation
• Eliminates excessive engine overheating issues
• Reduces vibration caused by unbalanced or broken blades
• Ensures compatibility with fan clutch systems for optimal cooling

Installation Notes and Tips

Installation requires removal of the existing fan blade assembly and careful alignment of the four mounting holes using the M6x1.000 bolts. Ensure the fan blade rotates clockwise as specified. Verify hub depth and bolt circle diameter match the vehicle’s fan clutch assembly. Proper torque on mounting bolts is essential to prevent loosening during operation. It is recommended to inspect the fan clutch and surrounding components during installation to ensure overall system integrity.

Quality Assurance and Warranty

The Four Seasons Fan Blade 36890 meets or exceeds OEM standards, providing a reliable replacement part for Toyota cooling systems. This product is performance rated and designed to maintain engine cooling efficiency. Four Seasons typically offers a limited warranty on their cooling components; please refer to official documentation for specific warranty terms related to this fan blade.