The ALCO Filters MD9202 air filter is designed for the Audi A6 4A C4 and Audi S6 4.2 quattro with a 4,172 cc engine and 213 kW of power, for model years 1994–1997. It is 50 mm high, 381 mm long, and 150 mm wide.
- Type: Air filter
- Compatibility: Audi A6, Audi S6, Audi Quattro
- Engine displacement: 4,172 cc
- Engine power: 213 kW
- Model years: 1994–1997
- Height: 50 mm
- Length: 381 mm
- Width: 150 mm
- Equivalent codes: VAG: 077129620, CHAMPION: U660, HENGST FILTER: E646L, KNECHT: LX740, MAHLE FILTER: LX740, MANN-FILTER: C391601