We use FedEx or DHL Express, the estimated delivery time is about 3-5 business days. Reference OEM Number:  95834901120，9583490112X，95834901121，9583490117X 0BM409505T，0BM409505L，0BM409505M 0C1409505T，0C1409506B Please send us your VIN number, our mechanic will help you confirm the compatibility. Fit Model: For VW Touareg 7P 3.0L 3.6L 2011-2017 For Porsche Cayenne 92A 3.0L 3.6L 2011 - 2018 For Audi Q7 4L 3.0L w/gas engine 2011-2015 Ratio: 3.27 Features: 1. We maintain complete quality control throughout the manufacturing process. 2. Robust design and high-grade materials meet the stringent demands. 3. Meets or exceeds OE specification for fit, finish and function. 4. Stable performance and high reliability. 5. Rigorously Dyno & Road Tested 6. 2 Years Warranty Package includes: 1 X Front Axle Differential Assembly