OEM Walker mower delivery chute part number 8511-1. This chute will fit Walker 9.5 & 10 Bushel GHS mower deck models. Please refer to your parts manual or ask us to verify that this will fit your machine. When you buy this part you are buying original equipment Walker mower parts. This is not an aftermarket part that might not fit. Email us your model and serial number and we will be happy to double check that it does fit your model.