Bosch Alternator Regulator 12V 140A, part 1986AE0028, OEM 054903803B. Fits Audi, VW, Seat, Skoda models with TDI/FSI engines. Compatibility includes A1, A3, Q2/Q3, TT, Ibiza, Leon, Octavia, Golf, Passat, Tiguan, Touran, more. Fast shipping, authentic Bosch.
