Four Seasons 36990 Reverse Rotation Thermal Heavy Duty Fan Clutch

The Four Seasons 36990 is a reverse rotation thermal heavy duty fan clutch designed to improve your engine cooling system's efficiency by automatically engaging the cooling fan when additional cooling is required. This precision-machined component is engineered specifically by application to deliver OE performance, fit, and appearance.

Key Features:

• Reverse rotation (counterclockwise) thermal heavy duty design
• Precision machined for exact OE fitment
• Application-specific engineering and testing for reliable performance
• Ready for out-of-box installation
• Manufactured by Four Seasons, the world's largest compressor remanufacturer and leading mobile climate control parts supplier

Cross-Reference Part Numbers:

• Motorcraft: YB295, YB302, YB443, YB450, YB454
• Ford OEM: E2TZ8A616B, E4DZ8A616B, E7TZ8A616L, E9TZ8A616H, E9TZ8A616J
• Hayden: 2733, 47244
• Derale: 22146
• Murray: 2733

This fan clutch helps prevent engine overheating by controlling airflow through the radiator. When your engine temperature rises or A/C performance begins to decline, the thermal clutch engages the cooling fan to maintain optimal operating temperature. Backed by a 12-month/12,000-mile warranty on materials and workmanship.