4 Bar Fuel Pressure Regulator

The Bosch 4 Bar Fuel Pressure Regulator (part number 0280160575, OE 078133534C) is engineered to precisely manage fuel pressure within your vehicle's fuel system. It ensures a steady fuel delivery, crucial for efficient combustion, by maintaining a consistent pressure between 25 and 60 lbs. regardless of engine load – from idle to full acceleration. This OE-quality component is manufactured in Brazil. This regulator plays a vital role in preventing common fuel system issues such as poor engine performance, hesitation, hard starting, rough idling, and decreased fuel efficiency. Symptoms of a failing regulator can include rough acceleration, engine misfires, and even a check engine light. By maintaining optimal fuel pressure, this Bosch regulator helps ensure your engine runs smoothly and efficiently. This fuel pressure regulator is designed for a wide range of Audi and Volkswagen VAG applications, including specific models like the Golf, Jetta, Audi A4, S4, TT, Passat, and Corrado, across various model years and engine configurations such as 1.8T, VR6, V6, and W8 engines. Please consult the detailed fitment table to confirm compatibility with your specific vehicle. Note: This product comes with a California Proposition 65 warning regarding cancer and reproductive harm.