Buy 1999 Audi A8 4.2L V8 A/T Quattro Base Sedan Catalytic Converter. 4.2 LITER, right side. Exhaust EXHAUST, Mnfd, Pipe, Pre - OEM Audi Part # 4D0253058RX (4D0-253-058-RX)

Converter.
Catalytic Converter. and pipe. Catalyst. Catalytic cnvrtr. Mnfd w/. Pre.

Catalytic Converter

Fits A8, S8

4.2 LITER, right side.