690.

Below is a list of the applications for these plugs:

1997-2003 Grand Prix Dual-Zone Manual

2006-2007 Vue Manual Climate

1988-94 Chevy GMC Truck Digital Climate

1999-2002 Chevy GMC Truck

2003-2006 Cadillac CTS Auto Climate

1994-96 Roadmaster Digital Climate

2001-2005 Aztek, Venture, Silhouette, Montana, Manual Climate

1995-99 Park Avenue, Lesabre, Riviera Auto Climate

1988-2004 Century, Regal Auto Climate

2000-2005 Lesabre Manual Climate

1995-99 Lesabre, 1995-96 Park Avenue Manual Climate

2000-2005 Century, Regal Manual Climate 

2005-2009 Terazza, Uplander, Montana

1999-2002 Blazer Jimmy Auto Climate 

1998-2005 S10 Blazer Sonoma

2000-2005 Park Avenue, Lesabre, Riviera Auto Climate