New – New old stock / aftermarket replacement.
Unused and uninstalled. Includes terminal lug as shown. See photos for exact item and condition.
Brand new positive rectifier assembly (3-diode) for Leece-Neville heavy-duty alternators.
Designed to convert AC output to DC and support proper battery charging in medium- and heavy-duty applications.
Commonly replaced during:
Alternator rebuilds
Charging system repairs
Output or diode failure issues
Heavy finned heat-sink design for durability and heat dissipation
Leece-Neville: 71180
Leece-Neville: 78752
Voltage: 12V / 24V
Alternator Series: 2300J / 2500J
⚠️ Always match part numbers and alternator model before purchase.
✔ Fits Leece-Neville 2300J / 2500J series alternators
✔ Used in medium & heavy-duty trucks, buses, industrial equipment
Exact vehicle fitment varies by alternator configuration — verify part number compatibility