Blade, Hi-Lift (2) (Sme As John Deere M170639, Uc22008) 212-0668 Genuine OEM. This is a Genuine OEM part. Blade, Hi-Lift (2) (Sme As John Deere M170639, Uc22008) 212-0668 Genuine OEM... - Blade, Hi-Lift (2) (Sme As John Deere M170639, Uc22008) 212-0668 Genuine OEM.