Husqvarna 539108948 61 inch Hex Double Stacked Pulley Lawn Mower Belts the 550H is built for

the 550H is built for 24/7 operation in all weather conditions

this oiler reduces oil consumption by delivering lubrication only when the chain is in motion

25% from no load to full load

72 inch (side)

sleek appearance

Husqvarna 539108948 61 inch Hex Double Stacked Pulley Lawn Mower Belts the 550H is built forHusqvarna 539108948 61 inch Hex Double Stacked Pulley Fits: ZMKH61251, 968999498, 2005 12 YAZOO KEES LZF 6127, 966956801, 2009 07 HUSQVARNA ZMKH61251, 968999498, 2007 10 YAZOO KEES Z7A, 2004 07 YAZOO KEES Z12A, 2003 10 YAZOO KEES Z9A, 2003 10 YAZOO KEES CS9, 2005 05 YAZOO KEES CS13, 2005 05 YAZOO KEES 968999196, 2003 10 HUSQVARNA 968999195, Z1 12, 2003 10 HUSQVARNA