Dorman 620-654 Engine Cooling Fan Assembly Compatible with Select Cadillac / Chevrolet / GMC Models
- To allow room for thermal expansion, Original Equipment (OE) clevis pins are included where it is required.
- To reduce stress on the headers and prevent warping during thermal expansion, stress cuts are made to the side rails.
- Increased tube wall thickness for durability and longevity.
- Redesigned corner brackets to increase unit durability and improve ease of installation.
- Subject to aging and endurance testing to validate performance under extreme weather conditions.