John Deere Original Equipment Mower Drive Belt Idler Shield - M165519 The part specifications for M165519: Part Number: M165519 Part Name: Mower Drive Belt Idler Shield This M165519 Mower Drive Belt Idler Shield fits these models: Mower Decks and Material Collection System for X465,X475,X485,X495,X575,X585,X595,X700,X720,X724,X728,X740,X744,X748 Tractors X300 Select Series Tractor X300R Select Series Tractor X304 Select Series Tractor X310 Tractor X320 Select Series Tractor X324 Select Series Tractor X340 Select Series Tractor X360 Select Series Tractor X500 Multi-Terrain Tractor X520 Multi-Terrain Tractor X530 Tractor Multi-Terrain Series with 54-inch Mower Deck X534 Multi-Terrain Tractor with 48-inch or 54-inch Mower Deck X540 Multi-Terrain Tractor X590 Lawn and Garden Tractor Z225 EZtrak Residential Zero Turn Mower (Worldwide Edition) Z245 EZtrak Residential Zero Turn Mower (Worldwide Edition) Z425 EZtrak Residential Zero Turn Mower (Worldwide Edition) Z435 EZtrak Residential Zero Turn Mower (Worldwide Edition) Z445 EZtrak Residential Zero Turn Mower (Worldwide Edition) Z465 EZtrak Residential Zero Turn Mower (Worldwide Edition) Z625 EZtrak Residential Zero Turn Mower (Worldwide Edition) Z645 EZtrak Mower (Worldwide Edition) Z655 EZtrak Mower (Worldwide Edition) Z665 EZtrak Mower This is an OEM John Deere part.