[PERFECT FIT REPLACEMENT BELT]603907 Pump Drive Belt with Exact 1/2inch x 50.75inch dimensions. Direct replacement for Hustler Part Number 603907 and 607400; compatible with for Stens 265-699; Rotary 14939; for A&I A-603907. Fits for Hustler Raptor Series including for Raptor SD, for Raptor SDX, for Raptor Limited, and for Raptor Flip-Up zero-turn riding mowers (2013-2020 models). [ULTRA-DURABLE for KEVLAR CORD]Built with high-strength for Kevlar cord, outperforming polyester and standard aramid-blend belts in both durability and impact resistance. Withstands shock and heavy use without stretching or breaking. Maintains tension across seasons - no frequent retightening needed. [RUBBER - WEATHER & TREATMENT RESISTANT]Made with durable RUBBER material that stands up to sunlight and common yard treatments, unlike natural rubber. Maintains flexibility and strength over time - no more wear and tear after one season.. [DESIGNED FOR DEMANDING MOWING TASKS]Mower Belts are crafted with advanced materials - for Kevlar cords for maximum strength and Neoprene rubber for resistance to tough conditions. Engineered to endure heat, shocks, heavy duty mowing, and sudden stops - ensuring reliable performance season after season. Color: As Shown Material: Rubber Package Contents: 1 x 603907 Pump Drive Belt