Husqvarna RZ4622T BF, RZ 4622 T BF 46 Zero-Turn Mower Deck Parts Rebuild Kit Fits Model. RZ 4622T BF – 967176201 (2012-08). Includes the Following Parts. (1) 123″ x 5/8″ Deck Belt – Replaces Husqvarna 539117245 (1) Idler Pulley – Replaces Husqvarna 532196104 (1) Idler Pulley – Replaces Husqvarna 539132728 (2) 23 Standard Lift Blades – Replaces Husqvarna 532405380 (2) Spindle Assemblies with Hardware & Grease Fittings – Replaces Husqvarna 532174356, 539107515.