Audi AMM Up for sale is a Working, in excellent condition Audi v6 AMM. the part numbers on this unit are as follows: 054 133 471 (054133471)  AFH50-12 / 01B 

Audi 90 1993 

Audi 90 Quattro 1993

Audi 100 1992

Audi 100 Quattro 92-93

Audi Coupe Quattro 20V 90-91

Audi 90 Quattro 20V 90-91

it is made by hitachi. This Airflow meter came out of a 90 Audi 90 20V , it should fit other models/years. However as always your best bet is to match the part numbers with the part you need. The list I have shows - AUDI 100/S4, AVANT QUATTRO 2.8E AUT , HITACHI 054133471 2.8i V6 (AAH)