These OD: 198.6mm 7.81in ID: 184.4mm 7.25in GMC wheel rim hub center caps are suitable for 16in 6 lug GMC wheels:2003-2006 GMC Sierra / Yukon / Yukon XL, 2007 GMC Sierra classic, 2005-2008 GMC Savanna 1500 Van. Hollander wheel 560-5156. PN: 9594519.