/live/media/RB/RB_620603_Fro.jpg)
Dorman 620-603 Engine Cooling Fan Assembly - Left
| Brand | Dorman 620-603 |
|---|---|
| Position | Left |
| Blade Material | Plastic |
| Connector Gender | Male |
| Fan Quantity | 1 |
| Motor Type | Brushed |
| Package Contents | Radiator Fan Assembly |
| Shroud Color | Black |
| Shroud Included | Yes |
| Shroud Material | Plastic |
| Terminal Quantity | 2 |
| Fits | Chevrolet, Buick, Oldsmobile, and Pontiac · 24 vehicles |
OE-style fit. Precision-engineered to match stock fan performance.
Shroud included. Plastic shroud and fan assembly in black.
Brushed motor. Single-fan assembly with a 2-terminal connector.
Cross-references Continental FA70487, Four Seasons 75550 and 15-8498 for the same application. See all 5.
Engine Cooling Fan Assembly for Select GM Vehicles
This Dorman engine cooling fan assembly is built to match the fit and operating performance of the stock radiator fan on specific Chevrolet, Buick, Oldsmobile, and Pontiac applications. It uses a brushed motor, a plastic shroud, and a black finish to restore proper airflow through the radiator on the listed vehicles.
- Direct replacement engine cooling fan assembly for select GM applications
- Brushed motor design
- Plastic fan shroud in black finish
- Shroud included for a complete assembly-style replacement
- Male connector with 2 terminals and 1 connector
- Plastic fan blade construction
- Fits left-side applications where specified in the vehicle listing
Fitment and Application Details
Compatible With 1994-2001 Chevrolet Lumina, left; 1999 Chevrolet Monte Carlo, left, wo/Heavy Duty Cooling; Single Fan; 1995-1998 Chevrolet Monte Carlo, left, wo/Heavy Duty Cooling; 1994-1998 Buick Regal, N/A; 1994-1997 Oldsmobile Cutlass Supreme, N/A; and 1995-1996 Pontiac Grand Prix, left. This Dorman 620-603 is also listed for 1999 Chevrolet Lumina, left, wo/Heavy Duty Cooling; Single Fan, and 2000-2001 Chevrolet Lumina, left.
Use this radiator fan assembly when replacing a worn, noisy, or inoperative cooling fan on the specified Chevrolet Lumina, Chevrolet Monte Carlo, Buick Regal, Oldsmobile Cutlass Supreme, or Pontiac Grand Prix applications. The Dorman 620-603 is engineered to match stock fit and cooling performance for the listed vehicles, helping maintain consistent airflow across the radiator.
This part cross-references Continental FA70487 and Four Seasons 75550 for the same application.
Common Problems This Part Can Address
- Engine cooling fan not turning on
- Reduced radiator airflow at idle or low speed
- Overheating caused by a failed fan motor
- Noise from a worn fan motor or damaged blade assembly
- Broken or cracked fan shroud affecting airflow management
Installation Notes and Tips
Verify the connector style, terminal count, and left-side fitment before installation. Compare the existing assembly to the replacement unit to confirm the shroud shape, mounting points, and electrical connection match the vehicle configuration listed for your Chevrolet Lumina, Chevrolet Monte Carlo, Buick Regal, Oldsmobile Cutlass Supreme, or Pontiac Grand Prix.
Quality Assurance
Dorman tests this cooling fan assembly to confirm it meets the fit and cooling performance expected from the original radiator fan on the specified applications. The part is engineered as a stock-style replacement for dependable operation in the listed vehicle years and models.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2001 | Chevrolet | Lumina | — | — | Left | — |
| 2000 | Chevrolet | Lumina | — | — | Left | — |
| 1999 | Chevrolet | Lumina | 3.1L | V6 | Left | wo/Heavy Duty Cooling; Single Fan |
| 1999 | Chevrolet | Monte Carlo | 3.1L | V6 | Left | wo/Heavy Duty Cooling; Single Fan |
| 1998 | Buick | Regal | — | — | N/A | — |
| 1998 | Chevrolet | Lumina | 3.1L | V6 | Left | wo/Heavy Duty Cooling |
| 1998 | Chevrolet | Monte Carlo | 3.1L | V6 | Left | wo/Heavy Duty Cooling |
| 1997 | Buick | Regal | — | — | N/A | — |
| 1997 | Chevrolet | Lumina | 3.1L | V6 | Left | wo/Heavy Duty Cooling |
| 1997 | Chevrolet | Monte Carlo | 3.1L | V6 | Left | wo/Heavy Duty Cooling |
| 1997 | Oldsmobile | Cutlass Supreme | — | — | Left | — |
| 1996 | Buick | Regal | 3.1L | V6 | N/A | — |
| 1996 | Chevrolet | Lumina | 3.1L | V6 | Left | wo/Heavy Duty Cooling |
| 1996 | Chevrolet | Monte Carlo | 3.1L | V6 | Left | wo/Heavy Duty Cooling |
| 1996 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | Left | — |
| 1996 | Pontiac | Grand Prix | 3.1L | V6 | Left | — |
| 1995 | Buick | Regal | 3.1L | V6 | N/A | — |
| 1995 | Chevrolet | Lumina | 3.1L | V6 | Left | wo/Heavy Duty Cooling |
| 1995 | Chevrolet | Monte Carlo | 3.1L | V6 | Left | wo/Heavy Duty Cooling |
| 1995 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | Left | — |
| 1995 | Pontiac | Grand Prix | 3.1L | V6 | Left | — |
| 1994 | Buick | Regal | 3.1L | V6 | N/A | — |
| 1994 | Chevrolet | Lumina | 3.1L | V6 | Left | — |
| 1994 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | Left | — |
| No rows match your filter. | ||||||