OE Quality
60-Day Returns

Dorman 621-558 Engine Cooling Fan Assembly
Overview of Dorman Engine Cooling Fan Assembly 621-558
The Dorman 621-558 engine cooling fan assembly is designed specifically for Chevrolet Spark models, providing reliable engine temperature regulation. This electrical fan assembly includes a durable plastic shroud and a brushed motor to ensure consistent cooling performance.
- Voltage: 13.6V for optimal electrical compatibility
- Brushed motor type for steady operation
- Single fan with 8 forward align fin blades
- Black plastic shroud included for proper airflow direction
- Counterclockwise fan rotation with a 390 mm diameter
- Two male terminals and one male connector for secure electrical connections
- 5 mm shaft diameter designed for precise fitment
Detailed Product Description
The Dorman 621-558 engine cooling fan assembly is engineered to meet the cooling demands of the Chevrolet Spark. Featuring a 13.6-volt brushed motor, this assembly delivers consistent airflow through its single 390 mm diameter fan. The fan blades are made of plastic and designed with forward align fins to optimize air movement across the radiator. The included black plastic shroud helps channel airflow efficiently, enhancing engine cooling performance. Electrical connections are facilitated by two male terminals and a male connector, ensuring compatibility with the vehicle's wiring harness. The fan rotates counterclockwise and mounts securely on a 5 mm shaft diameter, matching factory specifications.
Compatible Vehicles and Applications
This engine cooling fan assembly is compatible with Chevrolet Spark models requiring part number 621-558. It is intended for use in maintaining proper engine temperature by improving radiator airflow and preventing overheating issues.
- Prevents engine overheating during high load or hot weather conditions
- Replaces faulty or worn cooling fan assemblies causing inadequate airflow
- Resolves electrical fan motor failures affecting cooling system performance
- Addresses shroud damage that disrupts proper air channeling
- Improves overall engine cooling efficiency for Chevrolet Spark vehicles
Installation Notes and Tips
When installing the Dorman 621-558 cooling fan assembly, ensure the electrical connectors are securely attached to avoid intermittent operation. Verify the fan rotates counterclockwise and that the 5 mm shaft fits snugly into the mounting point. Inspect the plastic shroud for proper alignment to maintain optimal airflow. It is recommended to disconnect the battery before installation to prevent electrical shorts. Follow vehicle-specific service manual instructions for removal and installation procedures.
Quality Assurance and Warranty
Dorman engine cooling fan assemblies are manufactured to meet or exceed OEM standards for fit, form, and function. The 621-558 part undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Dorman |
| Part Number | 621-558 |
| Blade Material | Plastic |
| Blade Type | Forward Align Fin |
| Connector Gender | Male |
| Diameter | 390 mm |
| Electrical Or Mechanical | Electrical |
| Fan 1 Blade Quantity | 8 |
| Fan 1 Diameter | 390 |
| Fan 2 Blade Quantity | 0 |
| Fan Quantity | 1 |
| Fan Rotation | Counterclockwise |
| Flat Side On Shaft | No |
| Grade Type | Regular |
| Motor Type | Brushed |
| Package Contents | Radiator Fan Assembly |
| Shaft Diameter | 5 |
| Shroud Color | Black |
| Shroud Included | Yes |
| Shroud Material | Plastic |
| Terminal Gender | Male |
| Terminal Quantity | 2 |
| Voltage | 13.6 |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2022 | Chevrolet | Spark | 1.4L | L4 | N/A | |
| 2021 | Chevrolet | Spark | 1.4L | L4 | N/A | |
| 2020 | Chevrolet | Spark | 1.4L | L4 | N/A | |
| 2019 | Chevrolet | Spark | 1.4L | L4 | N/A | |
| 2018 | Chevrolet | Spark | 1.4L | L4 | N/A | |
| 2017 | Chevrolet | Spark | 1.4L | L4 | N/A | |
| 2016 | Chevrolet | Spark | 1.4L | L4 | N/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.