Four Seasons 36961 Severe Duty Thermal Engine Cooling Fan Clutch

The Four Seasons 36961 is a Standard Rotation Severe Duty Thermal Fan Clutch engineered as a direct-fit OE replacement for a wide range of domestic vehicles. Precision machined for accurate fitment and out-of-the-box installation, this fan clutch is designed to restore proper engine cooling performance and meet or exceed original equipment specifications.

This thermally actuated fan clutch automatically engages the cooling fan when increased airflow is needed and disengages at highway speeds to reduce engine load and improve fuel efficiency. The severe duty design makes it well-suited for demanding daily-driving conditions.

Key Features:

• Design: Severe duty thermal — engages and disengages based on engine temperature
• Rotation: Standard (clockwise) rotation
• Overall Diameter: 6.45 in.
• Fan Mount Diameter: 3.25 in. bolt circle
• Mount Height: 2.12 in.
• Pilot Diameter: 0.75 in. | Pilot Depth: 0.65 in.
• Bolt Type: 3/8 in.-16
• Product Fit: Direct fit OE replacement
• Precision machined for accurate dimensions and reliable operation
• Out-of-box installation — no modification required
• Warranty: 1 year / 12,000-mile Four Seasons limited warranty

Cross-Reference Part Numbers: Motorcraft YB424, Hayden 2802, Murray 2802, ACDelco 1540309, Derale 22604, GMB 9252200, General Motors 19189684, Ford D8HZ8A616L, Ford D8HZ8A616P, Torqflo 922802, TRW FC115, Kool Klutch 116004, Carquest 216004, Spectra Premium 2802, Balkamp 939401, Fenco FFC5802T, US Motor Works 22604.

Note: Not intended for use on engines larger than 250 CID (4.1L), high-performance engines, racing vehicles, off-road vehicles, or commercial/heavy duty vehicles. Sold individually.

Four Seasons is one of the automotive aftermarket's largest suppliers of mobile climate control and thermal management components, with products that are meticulously tested and validated before leaving the assembly plant.