This CV Joint is designed for specific Audi Quattro models including A4, A5, and Q5 manufactured from 2007 onwards. It fits on the wheel side and has 25 teeth on one side and 42 teeth on the other, with a thread size of M16X1.5. This part is compatible with both manual and automatic transmissions. The OE number for this part is 8R0498099. Construction years supported are from 08/2012 and 01/2013. Engine codes compatible include CJCB/CSUB, CGLD/CNHC, and CJCD/CSUA. Vehicle types include Audi A4 Avant (8K5, B8), Q5 (8RB), A4 B9 Avant (8W5, 8WD), A4 Limousine (8K2, B8), A5 Sportback (8TA), A5 Coupe (8T3), A5 Sportback (F5A), A4 B9 Limousine (8W2, 8WC), A4 Allroad (8KH, B8), A5 Cabrio (8F7), A5 Coupe (F53), A4 Allroad (8WH, B9), and A5 Cabrio (F57). Part numbers associated with this CV Joint are 8R0498099, 8K0407271AL, and 8R0498099. It is sold as an Axle Joint, Joint Kit, or drive shaft.