OE Quality
60-Day Returns

Dorman 620-643 Engine Cooling Fan Assembly
Overview of Dorman Engine Cooling Fan Assembly 620-643
The Dorman 620-643 engine cooling fan assembly is designed specifically for Cadillac Seville models, providing reliable cooling performance. This assembly includes dual fans and a durable plastic shroud to help maintain optimal engine temperature.
- Motor Type: Brushed motor for consistent operation
- Fan Quantity: Dual fan setup for enhanced airflow
- Shroud Included: Yes, made of black plastic for durability
- Blade Material: Plastic blades designed for efficient cooling
- Connector Quantity and Type: Two male connectors for secure electrical connections
- Terminal Quantity: Two terminals ensuring proper power delivery
- Package Contents: Complete radiator fan assembly
Detailed Product Description
The Dorman 620-643 engine cooling fan assembly is engineered to meet the cooling demands of Cadillac Seville vehicles. Featuring a brushed motor type, this assembly ensures steady and reliable fan operation. The dual fan configuration improves airflow through the radiator, helping to prevent engine overheating during heavy use or high ambient temperatures. The included black plastic shroud is designed to direct airflow efficiently while protecting the fan blades. Plastic fan blades provide a balance of strength and lightweight performance, contributing to quieter operation and reduced wear. The assembly comes with two male connectors and terminals, facilitating straightforward installation and electrical connection.
Common Applications and Problem Resolution
- Replaces faulty or worn engine cooling fan assemblies on Cadillac Seville models
- Addresses engine overheating issues caused by insufficient airflow
- Resolves fan motor failure or inconsistent fan operation
- Fixes damaged or cracked fan shrouds that reduce cooling efficiency
- Eliminates electrical connection problems with secure terminal and connector design
Installation Notes and Tips
- Ensure vehicle is turned off and cooled before installation
- Disconnect battery to prevent electrical shorts during replacement
- Verify connector types and terminal counts match vehicle wiring harness
- Handle plastic shroud and blades carefully to avoid damage
- Test fan operation after installation to confirm proper function
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 620-643 engine cooling fan assembly undergoes quality checks to ensure durability and reliable performance in Cadillac Seville vehicles. Warranty coverage details can be obtained from the product documentation or manufacturer resources.
| Brand | Dorman |
| Part Number | 620-643 |
| Blade Material | Plastic |
| Connector Gender | Male |
| Fan Quantity | 2 |
| Motor Type | Brushed |
| Package Contents | Radiator Fan Assembly |
| Shroud Color | Black |
| Shroud Included | Yes |
| Shroud Material | Plastic |
| Terminal Quantity | 2 |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2004 | Cadillac | Seville | N/A | |
| 2003 | Cadillac | Seville | N/A | |
| 2002 | Cadillac | Seville | N/A | |
| 2001 | Cadillac | Seville | N/A | |
| 2000 | Cadillac | Seville | N/A | |
| 1999 | Cadillac | Seville | N/A | |
| 1998 | Cadillac | Seville | 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.