Denso. 120 amp. 121000-4080. ’90-’92 Pick ups 5.9D. 2 field posts, external volt. reg.
8 groove pulley.
Differentiate from the low amp by observing the area shown. Hi amps have 3 SHORT BARS as high lighted in red. Low amps have ONE LONG BAR and ONE SHORT BAR as shown in Q13-341.