Four Seasons 46112 Engine Cooling Fan Clutch

Four Seasons 46112 Severe Duty Fan Clutch

The Four Seasons 46112 is an electronic engine cooling fan clutch built for severe-duty service on select Ram heavy-duty trucks. It is a reverse-rotation design with an aluminum body, made to meet or exceed OEM requirements for direct-fit cooling system service.

Key Features

• Electronic fan clutch design for controlled cooling fan engagement
• Reverse rotation configuration for the listed Ram applications
• Severe duty style for demanding cooling system conditions
• Aluminum construction with raw aluminum finish
• Meets or exceeds OEM specifications
• Performance rated for service-focused cooling repair
• Mounting type: hex with 4 bolt holes and 4 mounting holes

Product Details

Four Seasons Fan Clutch 46112 is engineered for Ram 2500, Ram 3500, and Ram 4000 models that require an electronic reverse-rotation fan clutch. The unit measures 9.39 inches in overall diameter, 4.29 inches in overall height, and uses a 1.86-inch mount diameter with a 1.57-inch pilot diameter. Its severe duty construction supports consistent fan control in high-load cooling systems, making it a practical replacement for trucks that rely on precise engine temperature management.

This part cross-references Mopar 52014729AC for the same application. Four Seasons 46112 is also listed among interchange references for related OE-style service applications.

Vehicle Fitment

• Fits 2014-2018 Ram 2500, N/A; Reverse Rotation; Electronic Fan Clutch; Fan Clutch
• Fits 2014-2018 Ram 3500, N/A; Reverse Rotation; Electronic Fan Clutch; Fan Clutch
• Fits 2013 Ram 2500, N/A; Reverse Rotation; Electronic Fan Clutch; From 12/17/12; Fan Clutch
• Fits 2013 Ram 3500, N/A; Reverse Rotation; Electronic Fan Clutch; From 12/17/12; Fan Clutch
• Fits 2013 Ram 4000, N/A; Reverse Rotation; Electronic Fan Clutch; From 12/17/12; Fan Clutch

Common Cooling System Issues It May Address

• Engine overheating caused by a fan clutch that no longer engages correctly
• Excessive fan noise from a worn or failing electronic clutch assembly
• Inconsistent cooling performance during towing, hauling, or stop-and-go driving
• Cooling fan response problems tied to reverse-rotation clutch wear
• Temperature control issues in severe-duty Ram truck cooling systems

Installation Notes and Tips

Verify reverse rotation, electronic connector style, pilot dimensions, and mounting pattern before installation. Compare the existing clutch to the listed measurements, including the 9.39-inch clutch diameter and 8.66-inch fan bolt circle, to confirm proper fit on the vehicle. Mounting hardware is not included, so reuse or source the required hardware separately as needed.

Quality Assurance

Four Seasons positions this fan clutch as a new, performance-rated replacement that meets or exceeds OEM specifications. The aluminum severe-duty design is intended for direct replacement service on the listed Ram applications.