Alternator Pulley for Military Truck HMMWV M998 200A Alternator. This fits thee HMMWV and other military trucks using a 200A alternator and a 3 grove v belt pulley. NSN 3020-01-232-9629 PN#12339392 or 5594662 Buy here and save $$$$$$ Be sure to check out my store for more of your needs We are listing new things daily, Be sure to check us out We look forward to doing business with you very soon R2C11 11740