The Western 49456 is a crucial Valve Cartridge SV08-41 with Nut used in Western snowplows. It's a 4-way, 2-position hydraulic valve found on the hydraulic unit's manifold, particularly on UltraMount and UltraMount 2 Wide-Out plows. This component is essential for regulating hydraulic fluid flow, enabling the precise movement and angling of the snowplow blade for efficient snow removal.