Thank you for your purchase of the transfer case.Before installation, add gear oil to the unit.Failure to lubricate prior to installation may result in damage or premature failure.Proper lubrication is essential for performance and longevity.Follow the manufacturer's instructions for correct oil type and fill level.Gear Oil Type: 75W-90 OE Number: 33100-3KA0B, 33100 3KA0B, 331003KA0B Spline with teeth outer diameter: 45mm Spline without teeth outer diameter: 41mm Inner Diameter: 32mm Compatible with the following models: Murano 3.5L V6 CVT 2WD S, SV, SL, Platinum 2015–2016 Murano 3.5L V6 CVT 4WD/AWD S, SV, SL, Platinum 2015–2016 Murano 3.5L V6 CVT AWD S, SV, SL, Platinum 2017–2022 Murano 3.5L V6 CVT FWD S, SV, SL, Platinum 2017–2022 Pathfinder 3.5L V6 CVT AWD S, SV, SL, Platinum 2013–2020 Pathfinder 3.5L V6 CVT FWD S, SV, SL, Platinum 2013–2020 QX60 Base, Comfort, Mid, 6 Cyl 3.5L VQ35DD, VQ35DE 2014–2019 Verify compatibility by comparing your existing part with the provided OE number and specifications to proper fitment.Disclaimer: This is an aftermarket spare part.Trademarks are used only to specify compatible devices.