Dana engineering-approved for fit, form and function. 2007 GMC Sierra 1500 Classic Engine: 4.8L V8; with Dual Round Ports; Replaces OE Part Number(s) 12561710; Position: Center;. 2007 GMC Sierra 1500 Classic Engine: 5.3L V8; with Dual Round Ports; Replaces OE Part Number(s) 12561710; Position: Center;.
