Derale Fan Spacer Kit for Standard-Rotation, Belt-Driven Fans - 2-1/2... This 2 1/4 inch belt driven fan spacer comes with a clear anodized finish and is designed to fit metric applications with 5/8 inch or 3/4 inch pilot water pumps. (6mm bolts) Aluminum construction Anodized clear finish Derale Engine Cooling Fan Spacer Kit 31520; Aluminum 2.000 | Star Derale Fan Spacer Derale 31547 2-1/4" Aluminum Belt Fan Spacer Derale 31547 2 1/4 Fan Spacer Replacement Press Image to Zoom. STANDARD MOTOR PRODUCTS X4270 close. Part image. Add to Cart. Category: Alternator / Generator Bushing. Material: Bronze
