| 2003 | Chevrolet | C4500 Kodiak | | |
| 2004 | Chevrolet | C4500 Kodiak | | |
| 2005 | Chevrolet | C4500 Kodiak | | |
| 2006 | Chevrolet | C4500 Kodiak | | |
| 2007 | Chevrolet | C4500 Kodiak | | |
| 2008 | Chevrolet | C4500 Kodiak | | |
| 2009 | Chevrolet | C4500 Kodiak | | |
| 2003 | GMC | C4500 Topkick | | |
| 2004 | GMC | C4500 Topkick | | |
| 2005 | GMC | C4500 Topkick | | |
| 2006 | GMC | C4500 Topkick | | |
| 2007 | GMC | C4500 Topkick | | |
| 2008 | GMC | C4500 Topkick | | |
| 2009 | GMC | C4500 Topkick | | |
| 2003 | Chevrolet | C5500 Kodiak | | |
| 2004 | Chevrolet | C5500 Kodiak | | |
| 2005 | Chevrolet | C5500 Kodiak | | |
| 2006 | Chevrolet | C5500 Kodiak | | |
| 2007 | Chevrolet | C5500 Kodiak | | |
| 2008 | Chevrolet | C5500 Kodiak | | |
| 2009 | Chevrolet | C5500 Kodiak | | |
| 2003 | GMC | C5500 Topkick | | |
| 2004 | GMC | C5500 Topkick | | |
| 2005 | GMC | C5500 Topkick | | |
| 2006 | GMC | C5500 Topkick | | |
| 2007 | GMC | C5500 Topkick | | |
| 2008 | GMC | C5500 Topkick | | |
| 2009 | GMC | C5500 Topkick | | |
| 1999 | Ford | F-450 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2000 | Ford | F-450 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2001 | Ford | F-450 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2002 | Ford | F-450 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2003 | Ford | F-450 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2004 | Ford | F-450 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2005 | Ford | F-450 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2006 | Ford | F-450 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2007 | Ford | F-450 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2008 | Ford | F-450 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2009 | Ford | F-450 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2010 | Ford | F-450 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2011 | Ford | F-450 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2012 | Ford | F-450 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2013 | Ford | F-450 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2014 | Ford | F-450 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2015 | Ford | F-450 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2016 | Ford | F-450 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 1999 | Ford | F-550 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2000 | Ford | F-550 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2001 | Ford | F-550 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2002 | Ford | F-550 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2003 | Ford | F-550 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2004 | Ford | F-550 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2005 | Ford | F-550 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2006 | Ford | F-550 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2007 | Ford | F-550 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2008 | Ford | F-550 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2009 | Ford | F-550 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2010 | Ford | F-550 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2011 | Ford | F-550 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2012 | Ford | F-550 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2013 | Ford | F-550 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2014 | Ford | F-550 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2015 | Ford | F-550 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2016 | Ford | F-550 Super Duty | Fits 4 Wheel Drive; Fits 2 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2017 | Chevrolet | Express 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2016 | Chevrolet | Express 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2013 | Chevrolet | Express 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2015 | Chevrolet | Express 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2014 | Chevrolet | Express 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2012 | Chevrolet | Express 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2009 | Chevrolet | Express 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2010 | Chevrolet | Express 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2011 | Chevrolet | Express 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2016 | GMC | Savana 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2015 | GMC | Savana 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2014 | GMC | Savana 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2013 | GMC | Savana 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2012 | GMC | Savana 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2009 | GMC | Savana 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2010 | GMC | Savana 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2011 | GMC | Savana 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2017 | Ford | F-450 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2018 | Ford | F-450 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2017 | Ford | F-550 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2018 | Ford | F-550 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2018 | Chevrolet | Express 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2019 | Chevrolet | Express 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2019 | GMC | Savana 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2018 | GMC | Savana 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2017 | GMC | Savana 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2020 | Chevrolet | Express 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2020 | GMC | Savana 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2019 | Ford | F-450 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2020 | Ford | F-450 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2020 | Ford | F-550 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2019 | Ford | F-550 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2021 | Chevrolet | Express 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2021 | Ford | F-450 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2022 | Ford | F-450 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2022 | Ford | F-550 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2021 | Ford | F-550 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | For chassis cab models ONLY. Do not use on pickup models. May be used on trucks equipped with top overload spring. |
| 2021 | GMC | Savana 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2022 | Chevrolet | Express 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2022 | GMC | Savana 4500 | Fits 2 Wheel Drive | For cutaway models only, do NOT use on van models. |
| 2020 | Ford | F-600 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | |
| 2021 | Ford | F-600 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | |
| 2022 | Ford | F-600 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | |