Shop OEM Volkswagen Group Part # 01R525121D (01R-525-121-D, 01R525121B). DIFFERENTIAL CASE. HOUSING. A4, S4; 8 Cylinder. A8, S8. DRIVE AXLES. REAR AXLE. AXLE SHAFTS and JOINTS. DIFFERENTIAL. PROPELLER SHAFT

2. 8L. 3. 0L; From Vin 8E4237001. 3. 0L; To Vin 8E4237000. A4. RS4; 1. 8L; From Vin 8E3134001. RS4; 1. 8L; To Vin 8E3134000. RS4; 2. 0L. RS4; 3. 0L. RS4; 3. 2L. RS4; 4 & 6 Cylinder. RS4; 4. 2L; From Vin 8E4237001. RS4; 4. 2L; To Vin 8E4237000. RS4; 8 Cylinder. RS4; RS4. S4; 1. 8L; From 8E3134001. S4; 4 & 6 Cylinder; Auto Trans. S4; 4 & 6 Cylinder; Manual Trans; 5 Speed. S4; 4 & 6 Cylinder; Manual Trans; 6 Speed; From Vin 8E4030694. S4; 4 & 6 Cylinder; Manual Trans; 6 Speed; To Vin 8E4030693. S4; 4 Cylinder; Auto Trans. S4; 4 Cylinder; Manual Trans; 5 Speed. S4; 4 Cylinder; Manual Trans; 6 Speed. S4; 6 Cylinder; Auto Trans. S4; 6 Cylinder; Manual Trans; 5 Speed. S4; 6 Cylinder; Manual Trans; 6 Speed. S4; 8 Cylinder; Auto Trans.

A4. S4; 8 Cylinder.