Placement on Vehicle Front, Left, Rear, Right, Front & Rear Side; Sensor Type Brake Pad Wear Sensor; MPN4M0615121P; OE/OEM Part Number 4M0615121R, 4M0615121AB, 4M0615121S; Terminal Type Blade; Interchange Part Number SW0324, SW1670; Superseded Part Number PWS322, 2BWS0435; Compatible Make For Audi; Model A4, A4 Quattro, A5 Quattro, A5 Sportback; Model-2 A8 Quattro, Q7, Q8, RS5, S4, S5, S5 Sportback; Year 2017-2020;