Porsche 911 Airflow Meter 0280203023 / 0 280 203 023 / 129 43001 699 / 12943001699 3.2 / 3.6 / Turbo ENGINE Up for sale is a good working Airflow Meter that should fit many 911 models with L-Jet / Jetronic . Bosch part number listed at top Fits-1984-85 Porsche 911 1990, 1992-93 Porsche 911 Carrera 2 1984-89, 1991 Porsche 911 Carrera 1989-94 Porsche 911 Carrera 4 1993 Porsche 911 Carrera 4 Turbo Look 1992-94 Porsche 911 RS America 1993 Porsche 911 Turbo Look1989 Porsche 911 Speedster This may even fit other models/years not in this range, but as always its your best bet to match the part number with the one you need. Unit from a recent crash damaged car. Price one of these new at a Bosch authorized service center, this unit is over $1600! Runtested & functional and offers a 30 day warranty. This is a VERY hard to find part. No core charge, this is the to your door price.Flap works freely output signal looks good. A bad AMM can cause a lean running condition, loopy idle, no start, runs but has no power, random stalling, excess smoke, pinging, or any other strange running conditions. This is CHEAP compared to new or rebuilt, even at wholesale prices! As with all these flapper type Bosch air flow meters, you may need to do the basic setting adjustment (controlled by the tension screw) in order to dial this in properly for your car. - This one still has the tamper cap installed, and has never been adjusted. See your cars service manual.