Overview Product Description 622218 Internal Cooling Fan for A.O. Smith series C48, K48, S48, P48 This is the internal plastic cooling fan blade for several models usually limited to max 2.5 h.p. 4-3/4" OD 25/32" ID This fits motors with 6204 or 6304 Bearing on Drive End Please verify bearing used on Drive End and your Shaft Dimensions Note: the installation is critical, very tight fit, please feel free to call for assistance to avoid breakage during installation. MOST COMMON PART NUMBER USED IS A 606661 Product Videos Custom Field Product Reviews