Husqvarna Tank Expansion with Cap for Mowers Husqvarna Part # 585318201 This is an authentic replacement part that is supplied by original equipment manufacturer. It is made of durable, high-quality materials and it is sold individually. Please verify the original Husqvarna part number in your owner's manual or on the appropriate parts diagram of your model for correct location and fitment of this item. Replaces Original Part #'s: 584807501 Fits the Following Models: MZ 48 MZ 52 MZ 54 MZ 61 M-ZT52 M-ZT61 M-ZT61 P-ZT48 May Fit Additional Models & Brands Which Are NOT Listed Above. Specs: Shipping Weight: 0.6 Lbs Shipping Dimensions: 16” x 10.5” x 4” Package Qty: (1) Husqvarna Tank Expansion with Cap