HomeBelts and Cooling > Cooling Fan, Clutch and MotorDorman 621-408 Engine Cooling Fan Assembly
Part #: 621-408

Dorman 621-408 Engine Cooling Fan Assembly

N/A
⚙️ 3 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$268.69Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, 6
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman Engine Cooling Fan Assembly 621-408

The Dorman Engine Cooling Fan Assembly 621-408 is designed specifically for Mazda 6 models, providing reliable engine cooling performance. This assembly includes dual fans and a durable plastic shroud to ensure efficient airflow and temperature regulation.

  • Compatible with Mazda 6 vehicles
  • Includes two plastic fan blades for optimal cooling
  • Black plastic shroud included for secure mounting and protection
  • Brushed motor type with two terminals for reliable operation
  • Two connectors for easy electrical integration

Detailed Product Features and Specifications

This engine cooling fan assembly features a brushed motor type that delivers consistent performance under various driving conditions. The assembly includes two plastic fan blades designed to maximize airflow through the radiator, helping maintain proper engine temperature. The black plastic shroud is included to protect the fan blades and direct airflow efficiently. With two terminals and two connectors, the installation process is straightforward and compatible with the Mazda 6 electrical system. The durable materials used in the fan blades and shroud ensure long-lasting service life.

Applications and Common Issues Addressed

This Dorman cooling fan assembly is intended for use in Mazda 6 vehicles requiring replacement or upgrade of the engine cooling fan system. It helps resolve several common issues, including:

  • Overheating due to malfunctioning or worn-out cooling fans
  • Reduced airflow caused by damaged or broken fan blades
  • Electrical failures related to faulty fan motors or connectors
  • Cooling inefficiency from missing or damaged shrouds
  • Noise or vibration issues stemming from unbalanced fan components

Installation Notes and Tips

When installing the Dorman 621-408 engine cooling fan assembly, ensure the vehicle is turned off and cooled down to avoid injury. Disconnect the battery before removing the old fan assembly. Carefully detach the connectors and terminals, then remove the existing fan and shroud. Install the new assembly by aligning the shroud and securing it in place, reconnecting the electrical connectors and terminals. Verify proper fan operation before completing the installation.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable fit and function. The 621-408 engine cooling fan assembly undergoes rigorous quality control to provide consistent performance. This product is backed by Dorman's limited warranty, covering defects in material and workmanship under normal use conditions.

BrandDorman
Part Number621-408
Blade MaterialPlastic
Fan Quantity2
Motor TypeBrushed
Package ContentsRadiator Fan Assembly
Shroud ColorBlack
Shroud IncludedYes
Shroud MaterialPlastic
Terminal Quantity2

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2013Mazda62.5LL4N/A
2012Mazda62.5LL4N/A
2011Mazda62.5LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

62297076319CF21017FA70876L5A315025A

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.