: Due to changes made by the vendor, if purchasing v-grooved pulley JLG p/n 70115880 to replace tensioning pulley JLG p/n 70131905, you will also need the following parts to complete this change: JLG p/n 70106082 - Bolt (qty. 1) JLG p/n 70117766 - Cover (qty. 1) JLG p/n 70115962 - Gasket (qty. 1) JLG p/n 70105427 - Self-Tapping Screw (qty. 3)