The Holstein Ignition Knock (Detonation) Sensor Harness (part number 2KNC0025H) is a direct-fit replacement for 1998-2008 Buick, Cadillac, Chevrolet, and GMC vehicles with 5.3L, 5.7L, and 6.0L engines.Fits: 1998-2008 Buick, Cadillac, Chevrolet, GMC, and...