Dorman 621-415 Engine Cooling Fan Assembly

Engine Cooling Fan Assembly for Mazda MX-5

Dorman 621-415 is an engine cooling fan assembly built to match the fit and operating performance of the stock radiator fan on select Mazda applications. It is engineered for direct replacement use on Mazda MX-5 and Mazda MX-5 Miata models, with a brushed motor, plastic blade, and included shroud for a complete cooling fan assembly solution.

Key Features

• Direct replacement engine cooling fan assembly for select Mazda MX-5 and MX-5 Miata vehicles
• Brushed motor design for OE-style fan operation
• Plastic fan blade and black plastic shroud
• Shroud included for a cleaner, factory-style fit
• 2-terminal design with 1 connector for straightforward electrical connection
• Paraphrases the stock radiator fan layout for consistent cooling performance

Detailed Description

This Dorman cooling fan assembly, part number 621-415, is precision-engineered for vehicles that use the factory-style radiator fan setup. It is built to match the original fit and performance expectations on 2006-2015 Mazda MX-5 Miata and 2012-2015 Mazda MX-5 applications, making it a practical replacement when the original fan assembly is worn, noisy, or no longer moving air effectively. The plastic shroud and blade construction help maintain a factory-like installation profile, while the brushed motor supports dependable fan operation in normal cooling system use. This part cross-references Four Seasons 76316 for the same application.

What It Helps Address

• Overheating caused by a weak or inoperative radiator fan
• Reduced airflow through the radiator at idle or low speed
• Noise from a failing fan motor or damaged blade assembly
• Cooling system performance loss after fan assembly wear
• Replacement needs after electrical or mechanical fan failure

Installation Notes and Tips

Verify vehicle year, make, and model before ordering. This assembly is listed for 2012-2015 Mazda MX-5 and 2006-2015 Mazda MX-5 Miata applications. Confirm the 2-terminal electrical connection and shroud-style mounting arrangement match the original unit before installation. For best results, inspect related cooling system components, wiring, and connectors during replacement.

Quality Assurance

Dorman states that this engine cooling fan assembly is tested to meet the cooling performance of the original part on the listed applications. The design focuses on fitment and function consistent with stock radiator fan replacement needs for Mazda MX-5 and Mazda MX-5 Miata vehicles.