The Snapper 703374 Lawn Mower Drive V-Belt transfers engine power to the mower’s drive system for smooth and reliable operation. Designed as a replacement drive V-belt, it fits compatible Snapper lawn mowers to connect pulley-driven components within the propulsion system. It works by maintaining proper tension and grip between pulleys to deliver consistent power during operation. This supports dependable power transmission, reduced belt slippage, smoother mower movement, and reliable mowing performance.