Manufacturer Part Number: 3411322. 2005-2007 Buick Rainier 4.2L L6. 2005-2006 Buick Rainier 5.3L V8. 2006 Chevrolet Trailblazer 6.0L V8 System Contain OEM Inline Filter 3441237. 2006 Chevrolet Trailblazer 5.3L V8 System Contain OEM Inline Filter 3441237.