The Derale 18 inch Rigid Race Fan is a belt-driven mechanical cooling fan with fixed aluminum blades, built to move strong airflow for performance and racing applications. This is the 18 inch standard-rotation (clockwise) version.
Specifications:
- Type: belt-driven rigid race fan
- Diameter: 18 in
- Blade material: aluminum
- Rotation: standard rotation (clockwise)
- Part number: 17518
FAQ
What is a rigid race fan?
It is a belt-driven mechanical fan with fixed (non-flexible) blades that move strong airflow, intended for performance and racing use.
Which rotation is the Derale 17518?
Standard rotation, which turns clockwise as viewed from the front. Match the rotation to your water pump.
What is the fan diameter and blade material?
18 inches with aluminum blades. Confirm clearance between the water pump flange and the radiator before installing.

