Introducing the Mercedes-Benz A45 Series High Pressure Fuel Pump Kit! This pump is CFD-Optimized, E-85 compatible, all stainless steel, laser welded construction, and is capable of flowing over 36% more fuel than the stock unit! Note: An ECU recalibration is necessary for the fuel pump to function correctly.?Engine damage can occur if no ECU tuning is done.
ALPHA Performance Mercedes Benz M133 CLA45 High Pressure Fuel Pump Kit.