2013 Allison 2500PTS 6311201738 Component No. Description 01-841 MAIN HOUSING GROUP - COMMERCIAL 10-657 OIL PUMP GROUP - COMMERCIAL 14-1115 PLANET GEAR GROUP - COMMERCIAL W/O PTO 16-1852 CONTROL VALVE GROUP - COMMERCIAL 24W 21-951 CONVERTER GROUP - TC221 34-585 SAE#3 CONV HSG W/INTEGRAL COOLER PORTS 37-594 OIL PAN GROUP - STANDARD 39-969 COMM'L,WR,W/O PPWL,9X3,W/O TACHO PROV