Bosch Diesel Exhaust Fluid (DEF) Module 0444021021 / 3C0131113C for Audi Volkswagen Porsche armlabz and flow-tested to match OE

and flow-tested to match OE performance

0L4 BMW 228i xDrive 2016 2

Precision Engineering: Ensures consistent clutch engagement and smooth operation

Direct Fit: OEM replacement part 8D0399151H ensures easy installation without modifications

Restore full suspension adjustability to your vehicle with K-MAC Stage 3 Track camber plates

Bosch Diesel Exhaust Fluid (DEF) Module 0444021021 / 3C0131113C for Audi Volkswagen Porsche armlabz and flow-tested to match OEThis Bosch Diesel Exhaust Fluid (DEF) Module (part number 0444021021) is a high quality replacement for Audi, Porsche, and Volkswagen diesel vehicles. It injects DEF into the exhaust stream to reduce NOx emissions, helping your vehicle meet strict emissions standards while improving fuel efficiency. As a direct OEM replacement, it ensures reliable performance and a perfect fit. Key Features & Benefits Emissions Reduction: Reduces harmful NOx emissions