Alternator - with D.e.l.c.o Type 145 Amp - with 2-Pin Plug. Compatible with or fits: (Note: Standard, With 145 amp Alternator; 2010 GMC Sierra 1500 4.3L V6 2010 GMC Sierra 1500 4.8L V8 2010 GMC Sierra 1500 5.3L V8 2010 GMC Sierra 1500 6.2L V8). Compatible with or fits: (Note: With 2 pin plug, With 57mm diameter pulley; 2009 GMC Sierra 1500 6.2L V8) (Note: With 2 pin plug, With 57mm diameter pulley, With 3:00pm plug; 2009 GMC Sierra 1500 6.0L V8 GAS 2006 - 2008 GMC Sierra 1500 6.0L V8) (Note: With 2 pin plug, With D.e.l.c.o 145 amp Alternator; 2005 GMC Sierra 1500 6.0L V8). Compatible with or fits: (Note: With 145 amp Alternator; 2007 - 2008 GMC Sierra 1500 6.2L V8) (Note: With 145 amp D.e.l.c.o Alternator, With 57mm diameter pulley; 2008 - 2009 GMC Sierra 1500 5.3L V8 2005 - 2009 GMC Sierra 1500 4.3L V6 2005 - 2009 GMC Sierra 1500 4.8L V8) (Note: With D.e.l.c.o 145 amp Alternator; 2007 GMC Sierra 1500 5.3L V8 FLEX 2007 GMC Sierra 1500 5.3L V8 GAS). Compatible with or fits: Note: With D.e.l.c.o 145 amp Alternator, With 2 pin plug; 2005 - 2006 GMC Sierra 1500 5.3L V8 FLEX 2005 - 2006 GMC Sierra 1500 5.3L V8 GAS.
