This is a manufacturer replacement product. Part numbers include: 37X87, 37X87MA, 037X87, 037X87MA Dimensions: 97 Inch Length x 1/2 Inch Top Width, Package Includes: 1PCS x 37X87MA V-Drive Belt Replaces: Murray 37X87, 37X87MA, 037X87, 037X87MA Garden Lawn Mower Drive Belt Compatible with: Murray 40 Inch Deck Lawn Tractors and Garden Tractors Description: This is a manufacturer's replacement product. Parts may differ in appearance but are functionally equivalent to the previous part. Belt Application: Transmission 37X87 37X87MA Drive Belt for Murray 40 Inch Deck Garden Lawn Mower Tractor Replaces 037X87 037X87MA