196450-02260 Upper Gear Housing Input Shaft Oil Seal For Yanmar SD40 And SD50 Diesel Engines

Description Part Name: Seal, SC456209 Dimensions: 45 mm ID x 62 mm OD x 9 mm Width (stamped: SC 45 62 9). Function: Sits on the upper input shaft assembly where the engine links to the transmission. Features a single rubber-coated lip to retain transmission oil and block debris. Code Breakdown: SC (Design Profile): S (Single Lip): 1 primary, spring-loaded wiping lip facing inward to retain gear oil; lacks an external dust lip. C (Rubber Coated Case): Steel skeleton is fully encased in a rubber shell, ensuring a fluid-proof static seal and preventing galvanic corrosion against the aluminum housing bore. 456209 (Metric Dimensions): 45: 45.0 mm Inner Diameter (fits the 45 mm rotating input shaft). 62: 62.0 mm Outer Diameter (presses into the 62 mm housing bore). 09: 9.0 mm Width. Models SD40, SD50