Application1997-2005 compatible for Audi A6 C5 (4B2)1.8T quattro-2.8 quattro1997-2005 compatiblecompatible for Audi A6 C5 Avant (4B5)1.8T quattro- 3.0 quattro2000-2005 compatiblecompatible for Audi ALLROAD C5 (4BH)2.5 TDI quattro ,2.7 T quattro1998-2001 compatible for VW PASSAT B5 (3B2)1.9 TDI Syncro/4motion- 2.8 V6 Syncro/4motion PR-Number 1KD 1KF1998-2001 compatiblecompatible for VW PASSAT B5 Variant (3B5)1.8 Syncro/4motion-2.8 V6 Syncro/4motion PR-Number 1KD 1KF2000-2005 compatiblecompatible for VolksWagen PASSAT B5.5 Variant (3B6)1.9 TDI 4motion- 4.0 W8 4motion PR-Number 1KD 1KF*Please check the detail model of your car accorrding to the compatibility table before purchasing.Reference OEM number8E0615423A, 8E0615424A package include: 1Pair as picture shows vehicle placement: Rear Right Left Piston Diameter: 38mm fit for disc thickness: 10mm condition: 100% brand new, ready to install warranty: one yearNote* Please confirm your old part number matches up with one of the part numbers above * Professional installation is highly recommended (No Instruction Included) * For any needs please contact us