Denso. 136 amp. 121000-4481. 2001 Ram 5.9D. Side view.
2 pin plug. 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.