Home/Shop by Part/Engine & Engine Management/Engine Sensors & Electrical/Knock Sensor Narrow The Number Of Models Shown By Telling Us The Year Filter Models by Year 1985 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 Choose your Buick Model C 1985 Century Knock Sensor E 1985 Electra Knock Sensor 1985 Estate Wagon Knock Sensor G 1985 Grand National Knock Sensor L 1985 LeSabre Knock Sensor R 1985 Regal Knock Sensor 1985 Riviera Knock Sensor S 1985 Skyhawk Knock Sensor 1985 Skylark Knock Sensor 1985 Somerset Regal Knock Sensor