1971 - 2021 Navistar International & Fire Apparatus 9100-9900, Lonestar, Prostar, LT625, RH613, Paystar 5000, S Series, 1000-8000 Series and Amtran Rear Leaf Spring 55-035
1989 - 2001 Navistar International 2000, 4000, 7000, 8000, 3000-3900 Bus Chassis And Amtran Rear Leaf Spring 55-1133
1978 - 2021 Navistar International & Fire Apparatus 4100-4400, MV, HV, 7300-7700, 8500, 8600, S-Series, Amtran, 9000 Series, Lonestar, Prostar And Paystar 5000 Rear Helper Spring 55-037
1971 - 2021 Navistar International & Fire Apparatus 9100-9900, Lonestar, Prostar, LT625, RH613, Paystar 5000, S Series, 1000-8000 Series and Amtran Heavy Duty Rear Leaf Spring 55-035HD
1971 - 2021 Navistar International S Series, 1000-8000 Series and Amtran Rear Leaf Spring 55-043
1970 - 2010 Navistar International International Navistar Rear Single Axle, MD & HD Rear Leaf Spring 55-041
1991 - 2009 Navistar International 3900 And Amtran Genesis Bus Chassis Front Leaf Spring 55-1172
