2003-2009 Chevrolet C4500, 2003-2009 Chevrolet C5500, and 2003-2009 GMC C4500 Topkick
- Replaces OE part numbers: 88963409, 22064489, and 21998392 with 16,900 - 17,850lb tapered leaf springs and with 1.75 inch bore shocks
- For vehicles replacing OE part numbers: 15185643, 15185644, and 15782915 with tapered leaf spring and with 1.75 inch bore shocks use Monroe-65172
2003-2009 GMC C5500 Topkick, 2003-2007 GMC C6500 Topkick, 2003-2007 GMC C7500 Topkick, and 2003-2007 GMC C8500 Topkick
- Replaces OE part number: 88963409 with 12,000lb and 17,950lb axle, with tapered leaf spring, and 1.75 inch bore shocks
- For vehicles replacing OE part numbers: 15185644 and 15185643 with 11,000lb, 12,000lb, and 15,000lb axle, with tapered leaf spring, and with 1.75 inch bore shocks use Monroe-65172
2008-2009 GMC C6500 Topkick, 2008-2009 GMC C7500 Topkick, and 2008-2009 GMC C8500 Topkick
- Replaces OE part number: 88963409 with 12,000lb and 17,950lb axle, with tapered leaf spring, and 1.75 inch bore shocks
- For vehicles replacing OE part numbers: 15185644 and 15185643 with 11,000lb, 12,000lb, and 15,000lb axle, with tapered leaf spring, and with 1.75 inch bore shocks use Monroe-65172
- For vehicles replacing OE part number: 15782915 with conventional cab, drive axle, with Hendrickson RS-460 suspension, and with 1.75 inch bore shocks use Monroe-65172
2003 Chevrolet C6500 Topkick
- Replaces OE part numbers: 88963409, 22064489, and 21998392 with 16,900 - 17,850lb tapered leaf springs and with 1.75 inch bore shocks
- For vehicles replacing OE part number: 12474915 with Hendrickson air suspension and with 1.75 inch bore shocks use Monroe-65479
2004-2008 Chevrolet C6500 Kodiak
- Replaces OE part numbers: 88963409, 22064489, and 21998392 with 16,900 - 17,850lb tapered leaf springs and with 1.75 inch bore shocks
- For vehicles replacing OE part number: 15174901 with 12,000 - 17,000lb and 19,000lb leaf springs and with 1.75 inch bore shocks use Monroe-65169
- For vehicles replacing OE part number: 12474915 with Hendrickson air suspension and with 1.75 inch bore shocks use Monroe-65479
2009 Chevrolet C6500 Kodiak
- Replaces OE part numbers: 88963409, 22064489, and 21998392 with 16,900 - 17,850lb tapered leaf springs and with 1.75 inch bore shocks
- For vehicles replacing OE part number: 12474915 with Hendrickson air suspension and with 1.75 inch bore shocks use Monroe-65479
2003 and 2009 Chevrolet C7500 Kodiak and 2003 and 2009 Chevrolet C8500
- Replaces OE part numbers: 88963409, 22064489, and 21998392 with 16,900 - 17,850lb tapered leaf springs and with 1.75 inch bore shocks
2004-2008 Chevrolet C7500 Kodiak and 2004-2008 Chevrolet C8500
- Replaces OE part numbers: 88963409, 22064489, and 21998392 with 16,900l - 17,850b tapered leaf springs and with 1.75 inch bore shocks
- For vehicles replacing OE part number: 15174901 with 12,000 - 17,000lb and 19,000lb leaf springs and with 1.75 inch bore shocks use Monroe-65169