OEM replacement rear ABS sensor. Fits left or right sides unless your car has HID lights. In that case, you will need a different left rear unit
Genuine VW Rear ABS Wheel Speed Sensor 98-05 VW Passat Audi A4 B5 3B0 927 807 C
Abs sensor for AUDI A4 B5 Saloon (8D2) online at a cheap cost
A4 ABS Controller/Pump Repair DIY (with pics!) - AudiWorld Forums
ABS Wheel Speed Sensor front wheel rear wheel for VW Passat B5 Audi A4 Speed Sensor
AUDI A4 (8D2, B5) Rear Right ABS Sensor 294726, 8D0927807C 21495302 - Used parts online - 8964654
Hella ABS Speed Sensor, Rear B5 Audi A4 FWD
2x ABS Sensor And Abs-Ring Set Rear Axle Left Right 45 Teeth for audi A4 B5
Audi A4 B5 1.9 TDI Genuine Lemark Rear ABS Wheel Speed Brake Sensor
VW/Audi ABS Speed Sensor, Rear Left - B5 Audi A4 Quattro, S4 with HIDs