Sierra International 18-5983 Alternator 18-5983. Constructed with precision. Features an Amp Rating of 7SI/70. Fits: MCM 3.0L (s/n 0L382122 - 0M326292). Features of Sierra International 185983 185983 Alternator Amp Rating: 7SI/70 Fits: MCM 3.0L (s/n...