Your mass air flow sensor measures the quantity of air entering your engine and works with your car's computer to optimize your engine's performance. If it is not working properly the result could include reduced fuel mileage, poor performance, failed emissions testing as well as a check engine light.

Bosch is a global leader in the engineering and manufacture of both OEM (Original Equipment Manufacturer) and aftermarket automotive parts. As an OEM that has worked with nearly every major automotive manufacturer in the world, you can trust Bosch parts for their quality, durability and performance. With such a wide OEM parts offering, chances are if you can buy the aftermarket part from Bosch today there is a good chance Bosch made the part for your car originally.

FCP Euro is an online retailer of Genuine & OEM replacement Porsche parts. Our online catalog offers an extensive range of Porsche parts for all makes and model, as well as replacement parts for all European vehicles.

Since 1986 we have been committed to providing our customers only the highest quality Genuine & OEM replacement parts backed with a price match guarantee, free shipping, lifetime warranty and fitment guarantees on every part we sell. With our hassle free 365 day return policy and free tech support you can trust FCP for all of your replacement part needs.