Deck Kit Blade Spindle Belt Idler for John Deere E140 E150 E160 E170 X165. Forged directly from the belief that better products for Lawn Mowers, Chainsaws, and all other Outdoor Power Equipment is possible, 8TEN Parts combines attention to detail and a “Get The Job Done Right” attitude. Our high-quality control standards and premium OEM Specification manufacturing materials has created a new standard in the OPE Replacement Parts Industry.