Dorman 620-991 Engine Cooling Fan Shroud

Reliable Engine Cooling Fan Shroud for Dodge Ram Trucks

The Dorman 620-991 engine cooling fan shroud is designed to provide efficient airflow management for Dodge Ram 2500 and Ram 3500 models. Constructed from durable black plastic, this cooling fan shroud helps maintain optimal engine temperature by directing airflow through the radiator.

• Durable black plastic construction for long-lasting performance
• Compatible with Dodge Ram 2500, Ram 3500, and Ram 4000 models
• Maximum blade diameter support up to 702 mm
• Four mounting holes for secure installation
• Includes one cooling fan shroud per package

Product Details and Specifications

The Dorman 620-991 cooling fan shroud is engineered to fit specific Dodge Ram trucks, including the 2500, 3500, and 4000 series. Made from high-quality plastic, it offers resistance to heat and corrosion, ensuring reliable operation under demanding engine conditions. The shroud supports fan blades with a maximum diameter of 702 mm, optimizing airflow to the radiator for effective engine cooling. With four mounting holes, it provides a secure fit to the radiator assembly, maintaining proper alignment and function.

Applications and Problem Solving

• Replaces damaged or cracked cooling fan shrouds to restore proper airflow
• Prevents engine overheating by directing air efficiently through the radiator
• Reduces fan noise caused by misaligned or missing shrouds
• Helps maintain engine performance and longevity in Dodge Ram 2500 and 3500 trucks
• Supports cooling system integrity for heavy-duty applications

Installation Notes and Tips

Installation of the Dorman 620-991 cooling fan shroud requires removal of the existing shroud and alignment with the radiator mounting points. Ensure the four mounting holes align correctly for a secure fit. Verify that the fan blade diameter does not exceed 702 mm to avoid interference. No radiator support bushings are included, so retain any original hardware if applicable. Proper installation will help maintain optimal cooling system performance.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 620-991 cooling fan shroud undergoes quality checks to ensure durability and reliable performance in Dodge Ram 2500 and 3500 vehicles. Please refer to Dorman's warranty policy for specific coverage details.