Motorola and Prestolite style Alternators

The J mount style is commonly refered to as a "triple nickel" or a 110-555, this unit is found on a large number of trucks, buses, and RV's. These are rebuilt units and they do not require a core. They are rated at 160 and 200 amps instead of the factory 140 amps. Please specify pulley type (if needed) and mounting style below.

              J Mount Style                       Quad Mount Style

NEW - We now have a better (newer technology) replacement for these older style Motorola and Prestolite units. The Delco 28SI series alternators. Click on the link at the bottom of the page.