Premium Quality Replacement Part. Compatible With John Deere Models. Z425, Z435, Z445, Z465, Z625 Eztrak Residential Zero Turn Mower. Z645, Z655, Z665 Eztrak Mower. Compatible With Hustler Models. Raptor Sd Ex 36. 1 x Drive Belt: M169705, M163540, 603806. Width: 12.7 mm – 1/2 in. Height: 12.3 mm – 0.48 in. Overall Length: 2807 mm – 110 1/2 in.