This is the original Yamaha LEFT side as you are sitting on the ATV foot guard for the following models. 

• 2014 YFZ450R (YFZ450REL) - Rear Fender
• 2014 YFZ450R (YFZ450REO) - Rear Fender
• 2014 YFZ450R SPECIAL EDITION (YFZ450RSER) - Rear Fender
• 2014 YFZ450R SPECIAL EDITION (YFZ450RSSE) - Rear Fender
• 2015 YFZ450R (YFZ450RFL) - Rear Fender
• 2015 YFZ450R SE (YFZ450RSFB) - Rear Fender
• 2016 YFZ450R (YFZ45YSXGL) - Rear Fender
• 2016 YFZ450R SPECIAL EDITION (YFZ45YSSGY) - Rear Fender
• 2017 YFZ450 (YFZ45YSXHL) - Rear Fender
• 2017 YFZ450R SPECIAL EDITION (YFZ45YSSHB) - Rear Fender
• 2018 YFZ450R (YFZ45YSXJL) - Rear Fender
• 2018 YFZ450R SE (YFZ45YSSJW) - Rear Fender
• 2019 YFZ450R (YFZ45YSXKL) - Rear Fender
• 2019 YFZ450R SPECIAL EDIT (YFZ45YSSKR) - Rear Fender
• 2019 YFZ450R SPECIAL EDIT (YFZ45YSSKW) - Rear Fender
• 2020 YFZ450R (YFZ45YSXLL) - Rear Fender
• 2020 YFZ450R SPECIAL EDIT (YFZ45YSSLM) - Rear Fender
• 2020 YFZ450R SPECIAL EDIT (YFZ45YSSLR) - Rear Fender
• 2021 YFZ450R (YFZ45YSXML) - Rear Fender
• 2021 YFZ450R SPECIAL EDIT (YFZ45YSSMB) - Rear Fender
• 2021 YFZ450R SPECIAL EDIT (YFZ45YSSMW) - Rear Fender
• 2022 YFZ450R (YFZ45YSXNL) - Rear Fender
• 2022 YFZ450R SE (YFZ45YSSNB) - Rear Fender
• 2022 YFZ450R SE (YFZ45YSSNW) - Rear Fender
• 2023 YFZ450R (YFZ45YSXPL) - Rear Fender
• 2023 YFZ450R SE (YFZ45YSSPD) - Rear Fender