Overview Reviews Product Description Fasco Plastic Fan Blade . 4-5/8" Diameter Bore Impeller Wheel Replaces Part # 8660-4031 California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Fasco Fasco K-Fan4031 - Fan Blade Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Review Subject *Comments