GM4050106,

Chevrolet Silverado 1500 Classic 4.3L 2007; Chevrolet Silverado 1500 Classic 4.8L 2007; Chevrolet Silverado 1500 Classic 5.3L 2007; Chevrolet Silverado 1500 Classic 6.0L 2007; Chevrolet Silverado 1500HD Classic 6.0L 2007 1500; Chevrolet Silverado 2500HD Classic 6.0L 2007; Chevrolet Silverado 2500HD Classic 6.6L 2007; Chevrolet Silverado 2500HD Classic 8.1L; Chevrolet Silverado 3500 Classic 6.0L 2007; Chevrolet Silverado 3500 Classic 6.6L 2007; Chevrolet Silverado 3500 Classic 8.1L 2007; GMC Sierra 1500 Classic 4.3L 2007; GMC Sierra 1500 Classic 4.8L 2007; GMC Sierra 1500 Classic 5.3L 2007; GMC Sierra 1500 Classic 6.0L 2007; GMC Sierra 1500HD Classic 6.0L 2007 1500; GMC Sierra 2500HD Classic 6.0L 2007; GMC Sierra 2500HD Classic 6.6L 2007; GMC Sierra 2500HD Classic 8.1L; GMC Sierra 3500 Classic 6.0L 2007; GMC Sierra 3500 Classic 6.6L 2007; GMC Sierra 3500 Classic 8.1L 2007; Chevrolet Silverado 1500HD 6.0L 2006-2005, 2003-2001; Chevrolet Silverado 2500HD 6.0L 2006-2001; Chevrolet Silverado 2500HD 6.6L 2006-2001; Chevrolet Silverado 2500HD 8.1L 2006-2001; GMC Sierra 1500HD 6.0L 2006-2005, 2003-2001; GMC Sierra 2500HD 6.0L 2006-2001; GMC Sierra 2500HD 6.6L 2006-2001; GMC Sierra 2500HD 8.1L 2006-2001; Chevrolet Silverado 1500 4.3L 2006-1999; Chevrolet Silverado 1500 4.8L 2006-1999; Chevrolet Silverado 1500 5.3L 2006-1999; Chevrolet Silverado 1500 6.0L 2006-2003; GMC Sierra 1500 4.3L 2006-1999; GMC Sierra 1500 4.8L 2006-1999; GMC Sierra 1500 5.3L 2006-1999; GMC Sierra 1500 4.3L 2006-2001

Aluminum Parallel Flow