Installing an Auxiliary Fuel Port for adding heaters, water heaters and other Sprinter Upgrades to your OM612 Sprinter (T1N 2002–2006) For: Bosch Fuel Metering Unit 0440020088 / Mopar 05136012AA ⚠️ Disclaimer Proceed only if you are confident in working with fuel systems. Fuel is flammable and hazardous—take proper safety precautions. Perform this work in a … Continue reading Installing an Auxiliary Fuel Port – OM612 Sprinter (T1N 2001–2003)