Dorman 620-981 Engine Cooling Fan Assembly

Overview of Dorman Engine Cooling Fan Assembly 620-981

The Dorman 620-981 Engine Cooling Fan Assembly is designed to provide reliable cooling performance for select BMW models. Engineered with durable plastic materials and a black finished housing, this assembly ensures efficient airflow and temperature regulation for your vehicle's engine.

• Constructed with high-quality plastic fan and shroud for durability
• Operates at 13.6 volts with a brushed motor type for consistent performance
• Includes a black plastic shroud to optimize airflow and protect components
• Features a 10-inch shaft length and 3 hub bolt holes with 22.5 mm diameter
• Compatible with BMW 135i, 135is, 335i, 335i xDrive, 335xi, X1, and Z4 models

Detailed Product Features and Specifications

This engine cooling fan assembly from Dorman is built with a plastic fan and shroud, both finished in black to resist corrosion and wear. The motor is a brushed type, operating at 13.6 volts, providing steady and reliable cooling performance. The assembly includes one fan and one shroud, designed to fit precisely with the specified BMW models. The shaft length measures 10 inches, and the hub features three bolt holes with a diameter of 22.5 mm, ensuring secure mounting. The fan clutch is not mounted on this assembly, which is important to note for compatibility and installation.

Compatible BMW Models and Applications

This Dorman 620-981 Engine Cooling Fan Assembly is compatible with a range of BMW vehicles, including the 135i, 135is, 335i, 335i xDrive, 335xi, X1, and Z4. It is designed to replace the original cooling fan assembly in these models, maintaining proper engine temperature and preventing overheating during operation.

Common Issues Addressed by This Cooling Fan Assembly

• Engine overheating due to faulty or worn cooling fan
• Reduced airflow from damaged or inefficient fan blades
• Electrical failures in the fan motor causing cooling system malfunction
• Noise or vibration from imbalanced or damaged fan components
• Cooling system inefficiency leading to engine performance issues

Installation Notes and Tips

When installing the Dorman 620-981 Engine Cooling Fan Assembly, ensure the vehicle is powered off and cooled down to avoid injury. Verify the fan clutch is not required for your specific BMW model, as this assembly does not include a fan clutch. Properly align the three hub bolt holes with the mounting points and secure the assembly firmly. Check electrical connections for the single connector and four terminals to ensure proper motor operation.

Quality Assurance and Warranty Information

Dorman provides this engine cooling fan assembly as a standard replacement part, manufactured to meet or exceed OEM specifications. The use of durable plastic materials and a brushed motor design supports long-term reliability. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts to ensure customer confidence and product quality.