2004-2011 Ford F650 and 2004-2011 Ford F750
- For vehicles replacing OE part number: 4C4Z18125B with 22,000lb rear leaf spring suspension and with 1.38 inch bore shocks
2003-2004 and 2010-2016 IC Corporation CE School Bus
- Replaces OE part numbers: 501906C91 and 501906C92 with 1.38 inch bore shocks
2003-2016 IC Corporation RE School Bus and 1987 International 3800
- Replaces OE part number: 501906C91 with 1.38 inch bore shocks
- For vehicles replacing OE part number: 537524C91 with 1.38 inch bore shocks use Monroe-66638
1987-1992 International 1452SC and 1986-1992 International 1652SC
- Replaces OE part number: 501906C91 with drive axle and with 1.38 inch bore shocks
- For vehicles replacing OE part number: 1660846C91 with 1.38 inch bore shocks use Monroe-66683
1980-1989 International 1654
- Replaces OE part number: 501906C91 without rear axle codes: 14029, 14030, and 14187, with drive axle, and with 1.38 inch bore shocks
- For vehicles replacing OE part number: 2039565C1 with low profile vehicle and with 1.38 inch bore shocks use Monroe-66956
- For vehicles replacing OE part number: 1660846C91 with low profile vehicle and with 1.38 inch bore shocks use Monroe-66683
1980-1984 International 1724, 1981-1989 International 1754, 1979-1984 International 1824, 1981-1989 International 1854, 1979-1982 International 1924 S, 1979-1982 International 1925 S, 1979-1989 International 1954, 1981-1989 International 1955, 1984-1989 International 2155, 1979-1981 International F1924, and 1979-1989 International F1954
- Replaces OE part number: 501906C91 without rear axle codes: 14029, 14030, and 14187, with drive axle, and with 1.38 inch bore shocks
1981-2002 International 2554
- Replaces OE part number: 501906C91 with International Vari-Rate suspension, with drive axle, and with 1.38 inch bore shocks
- For vehicles replacing OE part number: 790335C91 with Neway ARD 125/244 air suspension and with 1.38 inch bore shocks use Monroe-66710
- For vehicles replacing OE part number: 537524C91 with Neway ARD-234 air suspension and with 1.38 inch bore shocks use Monroe-66638
1981-1983 International 2574, 1989-2002 International 2654, and 1981-2002 International 2674
- Replaces OE part number: 501906C91 with International Vari-Rate suspension, with drive axle, and with 1.38 inch bore shocks
1984-1989 International 2574
- Replaces OE part number: 501906C91 with International Vari-Rate suspension, with drive axle, and with 1.38 inch bore shocks
- For vehicles replacing OE part number: 790335C91 with Neway ARD 125/244 air suspension and with 1.38 inch bore shocks use Monroe-66710
1990-2003 International 2574
- Replaces OE part number: 501906C91 with International Vari-Rate suspension, with drive axle, and with 1.38 inch bore shocks
- For vehicles replacing OE part number: 790335C91 with Neway ARD 125/244 air suspension and with 1.38 inch bore shocks use Monroe-66710
- For vehicles replacing OE part number: 537524C91 with Neway ARD-234 air suspension and with 1.38 inch bore shocks use Monroe-66638
1990-1994 International 3700
- Replaces OE part number: 537524C91 with 1.38 inch bore shocks
- For vehicles replacing OE part number: 1660846C91 with 1.38 inch bore shocks use Monroe-66683
- For vehicles replacing OE part number: 537524C91 with Neway ARD-234 air suspension and with 1.38 inch bore shocks use Monroe-66638
1990-2004 International 3800
- Replaces OE part number: 501906C91 with 1.38 inch bore shocks
- For vehicles replacing OE part number: 1660846C91 with 1.38 inch bore shocks use Monroe-66683
- For vehicles replacing OE part number: 537524C91 with Neway ARD-234 air suspension and with 1.38 inch bore shocks use Monroe-66638
1991-1996 International 3900FC
- Replaces OE part number: 501906C91 with pusher rear engine and with 1.38 inch bore shocks
- For vehicles replacing OE part number: 467371C91 with 1.38 inch bore shocks use Monroe-66957
2002-2012 International 4300, 2002-2012 International 4300LP, 2002-2012 International 4400, and 2002-2012 International 4400LP
- Replaces OE part number: 501906C92 with 22,000lb rear leaf spring suspension and with 1.38 inch bore shocks
1990-1994 International 4600LP
- Replaces OE part number: 501906C91 with drive axle and with 1.38 inch bore shocks
- For vehicles replacing OE part number: 1660846C91 with air suspension and with 1.38 inch bore shocks use Monroe-66683
- For vehicles replacing OE part number: 1675496C91 with 1.38 inch bore shocks use Monroe-66606
2001-2002 International 4700LP
- Replaces OE part number: 501906C91 with 1.38 inch bore shocks
- For vehicles replacing OE part number: 1660846C91 with air suspension and with 1.38 inch bore shocks use Monroe-66683
1990-2003 International 8100, 1990-1998 International 8200, and 1989-1994 International 8300
- Replaces OE part number: 501906C91 with drive axle and with 1.38 inch bore shocks
- For vehicles replacing OE part number: 2029200C91 with Neway 14UKY air suspension and with 1.38 inch bore shocks use Monroe-66833
1987-1990 International M1600 Metro II
- Replaces OE part number: 501906C91 without rear axle codes: 14029, 14030, and 14187 and with 1.38 inch bore shocks
- Replaces OE part numbers: 206620R91 and 308649C91 with 1.38 inch bore shocks use Monroe-66841
1980-1982 International S1823
- Replaces OE part number: 501906C91 without rear axle codes: 14029, 14030, and 14187 and with 1.38 inch bore shocks
- For vehicles replacing OE part number: 537524C91 with Neway ARD-234 air suspension and with 1.38 inch bore shocks use Monroe-66638
