military HMMWV M998 Transmission Output shaft & bushing assembly PN# 8633059 NSN 2520-01-168-1983 Great deal here on this part as it lists with GM for $223 Fits early model trucks A1 series trucks with the old style non electronic transmission. Be sure to check out our store for more of your needs. We look forward to doing business with you very soon L3B9 12990