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Subaru Legacy Knock Sensor

27 items

Get a reliable Knock Sensor for your vehicle at A-Premium. Our high-quality sensors are designed to accurately detect engine knocking, helping to prevent costly damage. Browse our selection today and enjoy fast, free shipping on your order.

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Knock Detonation Sensor for Subaru Impreza Outback Legacy Forester Saab 9-2XKnock Detonation Sensor for Subaru Impreza Outback Legacy Forester Saab 9-2X
A-Premium®Part # APKNS119
Knock Detonation Sensor for Subaru Impreza Outback Legacy Forester Saab 9-2X
4.811 Reviews
$20.99
Enter ZIP codeFree standard shipping
1-year warranty
90 days free return
Fits 2006 - 2006 Subaru Impreza, 2006 - 2006 Subaru Legacy, 2006 - 2006 Subaru Outback, 2005 - 2005 Saab 9-2X, 2005 - 2005 Subaru Forester, 2005 - 2005 Subaru Impreza, 2005 - 2005 Subaru Legacy, 2005 - 2005 Subaru Outback, 2004 - 2006 Subaru Baja, 2004 - 2004 Subaru Forester, 2004 - 2004 Subaru Impreza
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
Part interchange
KS281, 5S5629, ID0272, 22060AA111, 32005940
ConditionNew
item #10019A8X
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Knock Detonation Sensor for Subaru Forester Impreza Outback Legacy Saab 9-2X
A-Premium®Part # APKNS105
Knock Detonation Sensor for Subaru Forester Impreza Outback Legacy Saab 9-2X
4.811 Reviews
$28.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
1-year warranty
90 days free return
Fits 2006 - 2006 Subaru Outback, 2005 - 2005 Saab 9-2X, 2005 - 2005 Subaru Outback, 2004 - 2006 Subaru Baja, 2004 - 2004 Subaru Forester, 2004 - 2004 Subaru Impreza, 2003 - 2005 Subaru Impreza, 2003 - 2003 Subaru Baja, 2003 - 2003 Subaru Forester, 2003 - 2003 Subaru Impreza, 2002 - 2004 Subaru Legacy, 2002 - 2004 Subaru Outback
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
Part interchange
KS280, KS325, 5S2334, ID0224, 22060AA100, 32005939
ConditionNew
item #10019D5A
Show less
Knock Detonation Sensor for Subaru Outback 2007-2009 Forester Impreza Legacy
A-Premium®Part # APKNS030
Knock Detonation Sensor for Subaru Outback 2007-2009 Forester Impreza Legacy
4.811 Reviews
$23.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
1-year warranty
90 days free return
Fits 2015 - 2021 Subaru WRX STI, 2013 - 2014 Subaru Impreza, 2013 - 2014 Subaru WRX, 2011 - 2013 Subaru Forester, 2007 - 2012 Subaru Impreza, 2007 - 2009 Subaru Legacy, 2007 - 2009 Subaru Outback, 2006 - 2010 Subaru Forester, 2006 - 2006 Saab 9-2X, 2006 - 2006 Subaru Impreza, 2006 - 2006 Subaru Impreza, 2006 - 2006 Subaru Impreza, 2006 - 2006 Subaru Impreza, 2006 - 2006 Subaru Legacy
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
Part interchange
KS303, 5S11719, ID0012, 22060AA140, 72991, 32010630, KNK242, 1581664, 
...View more
ConditionNew
item #100194S3
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Knock Detonation Sensor for Subaru Forester Impreza Legacy 1996-1999
A-Premium®Part # APCPS103
Knock Detonation Sensor for Subaru Forester Impreza Legacy 1996-1999
4.811 Reviews
$25.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
1-year warranty
90 days free return
Fits 1998 - 1998 Subaru Forester, 1998 - 1998 Subaru Impreza, 1997 - 1999 Subaru Legacy, 1997 - 1999 Subaru Legacy, 1996 - 1998 Subaru Impreza, 1996 - 1997 Subaru Impreza
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
ColorBlack
ConditionNew
item #10035RDK
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Ignition Knock Detonation Sensor for Subaru Impreza Forester 99-02 Legacy 99-01
A-Premium®Part # APKNS099
Ignition Knock Detonation Sensor for Subaru Impreza Forester 99-02 Legacy 99-01
4.811 Reviews
$23.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
1-year warranty
90 days free return
Fits 2000 - 2001 Subaru Outback, 1999 - 2002 Subaru Forester, 1999 - 2002 Subaru Impreza, 1999 - 2001 Subaru Impreza, 1999 - 2001 Subaru Legacy
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
Part interchange
KS98, KS98T, 5S2294, 2421038, ID0198, 22060AA070, 72925, SU1317608, 
...View more
ConditionNew
item #10019ACS
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Ignition Knock Detonation Sensor for Subaru Impreza 1995-1996 Legacy 1990-1996
A-Premium®Part # APKNS098
Ignition Knock Detonation Sensor for Subaru Impreza 1995-1996 Legacy 1990-1996
4.811 Reviews
$23.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
1-year warranty
90 days free return
Fits 1996 - 1996 Subaru Legacy, 1995 - 1996 Subaru Impreza, 1992 - 1997 Subaru SVX, 1991 - 1994 Subaru Legacy, 1990 - 1996 Subaru Legacy
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
MaterialMetal/Plastic
ConditionNew
item #100198QK
Show less
Ignition Knock Detonation Sensor for Subaru Legacy Outback 10-12 2.5L 2 Blade
A-Premium®Part # APKNS050
Ignition Knock Detonation Sensor for Subaru Legacy Outback 10-12 2.5L 2 Blade
4.811 Reviews
$27.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
1-year warranty
90 days free return
Fits 2011 - 2012 Subaru Legacy, 2011 - 2012 Subaru Legacy, 2011 - 2012 Subaru Legacy, 2011 - 2012 Subaru Legacy, 2011 - 2012 Subaru Outback, 2011 - 2012 Subaru Outback, 2011 - 2012 Subaru Outback, 2010 - 2010 Subaru Legacy, 2010 - 2010 Subaru Outback
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
ConditionNew
item #10019GXT
Note
This item comes with a Wiring Harness.
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Standard KS86 Ignition Knock (Detonation) Sensor
StandardPart # KS86
Standard KS86 Ignition Knock (Detonation) Sensor
4.448 Reviews
$48.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1996-1996 Subaru Impreza, 1995-1995 Subaru Impreza, 1992-1997 Subaru SVX, 1990-1996 Subaru Legacy
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
MaterialMetal/Plastic
Part interchange
KS86, 158-0975, 64623, F00E000541, AS10034, DKS516, 144-734, 72874, 
...View more
item #100163UZ
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Standard KS281 Ignition Knock (Detonation) Sensor
StandardPart # KS281
Standard KS281 Ignition Knock (Detonation) Sensor
4.448 Reviews
$75.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006-2006 Subaru Impreza, 2006-2006 Subaru Legacy, 2006-2006 Subaru Legacy, 2006-2006 Subaru Outback, 2006-2006 Subaru Outback, 2005-2005 Saab 9-2X, 2005-2005 Subaru Forester, 2005-2005 Subaru Impreza, 2005-2005 Subaru Legacy, 2005-2005 Subaru Outback, 2004-2006 Subaru Baja, 2004-2004 Subaru Forester, 2004-2004 Subaru Impreza
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
Part interchange
KS281, 158-1303, DKS721, 72879, ID0272, S8881, SU7124, 32005940, 
...View more
item #1001686S
Show less
Standard KS280 Ignition Knock (Detonation) Sensor
StandardPart # KS280
Standard KS280 Ignition Knock (Detonation) Sensor
4.448 Reviews
$69.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006-2006 Subaru Outback, 2006-2006 Subaru Outback, 2005-2005 Saab 9-2X, 2005-2005 Subaru Outback, 2004-2006 Subaru Baja, 2004-2005 Subaru Impreza, 2004-2004 Subaru Forester, 2004-2004 Subaru Forester, 2004-2004 Subaru Impreza, 2004-2004 Subaru Impreza, 2004-2004 Subaru Impreza, 2003-2003 Subaru Baja, 2003-2003 Subaru Forester, 2003-2003 Subaru Impreza, 2002-2004 Subaru Legacy, 2002-2004 Subaru Outback
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
Part interchange
KS280, 158-1302, 158-1646, DKS720, 72862, ID0224, S8880, SU6400, 
...View more
item #100167Q6
Show less
Standard KS302 Ignition Knock (Detonation) Sensor
StandardPart # KS302
Standard KS302 Ignition Knock (Detonation) Sensor
4.448 Reviews
$51.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2011-2011 Subaru Outback, 2011-2011 Subaru Outback, 2011-2011 Subaru Outback, 2010-2011 Subaru Legacy, 2010-2010 Subaru Outback, 2008-2011 Subaru Tribeca, 2008-2009 Subaru Legacy, 2006-2009 Subaru Outback, 2006-2007 Subaru B9 Tribeca, 2001-2004 Subaru Outback
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
Part interchange
KS302, 158-1085, 158-1111, DKS742, 72906, ID0251, S8902, KDSA210, 
...View more
item #1001676K
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Walker Products 242-1038 Ignition Knock (Detonation) Sensor
Walker ProductsPart # 242-1038
Walker Products 242-1038 Ignition Knock (Detonation) Sensor
4.329 Reviews
$55.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2002-2002 Subaru Impreza, 2001-2001 Subaru Outback, 2000-2001 Subaru Legacy, 2000-2000 Subaru Outback, 1999-2002 Subaru Forester, 1999-2001 Subaru Impreza, 1999-1999 Subaru Legacy
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
Part interchange
242-1038, 917031, ID0198, 550595, 70037, 144-745, SEB2107, 87591, 
...View more
item #1001LHGE
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Walker Products 242-1035 Ignition Knock (Detonation) Sensor
Walker ProductsPart # 242-1035
Walker Products 242-1035 Ignition Knock (Detonation) Sensor
4.329 Reviews
$64.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995-1996 Subaru Impreza, 1992-1997 Subaru SVX, 1990-1996 Subaru Legacy
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
Part interchange
242-1035, KS33, ID0197, 70038, 144-734, KNS0004, SU4988, F00E000541, 
...View more
item #1001LGK3
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Standard KS381 Ignition Knock (Detonation) Sensor
StandardPart # KS381
Standard KS381 Ignition Knock (Detonation) Sensor
4.448 Reviews
$107.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2011-2012 Subaru Legacy, 2011-2012 Subaru Legacy, 2011-2012 Subaru Legacy, 2011-2012 Subaru Legacy, 2011-2012 Subaru Outback, 2011-2012 Subaru Outback, 2011-2012 Subaru Outback, 2010-2010 Subaru Legacy, 2010-2010 Subaru Outback
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
Part interchange
KS381, DKS821, 73044, ID0072, S8981, SU14166, 22060AA150, 5S12753, 
...View more
item #100163CT
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Walker Products 242-1037 Ignition Knock (Detonation) Sensor
Walker ProductsPart # 242-1037
Walker Products 242-1037 Ignition Knock (Detonation) Sensor
4.329 Reviews
$55.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1999-1999 Subaru Legacy, 1998-1998 Subaru Forester, 1997-1998 Subaru Impreza, 1997-1998 Subaru Legacy
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
Part interchange
242-1037, KS39, 7517614, 83.517, ID0199, 550621, 0907099, 60246, 
...View more
item #1001LKG1
Show less
Standard KS96 Ignition Knock (Detonation) Sensor
StandardPart # KS96
Standard KS96 Ignition Knock (Detonation) Sensor
4.448 Reviews
$66.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1999-1999 Subaru Legacy, 1998-1998 Subaru Forester, 1997-1998 Subaru Impreza, 1997-1998 Subaru Legacy, 1996-1996 Subaru Impreza
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
Part interchange
KS96, 158-0919, 65017, AS10116, DKS510, 144-744, 72809, ID0199, 
...View more
item #100165Q2
Show less
Standard KS98 Ignition Knock (Detonation) Sensor
StandardPart # KS98
Standard KS98 Ignition Knock (Detonation) Sensor
4.448 Reviews
$72.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2002-2002 Subaru Impreza, 2001-2001 Subaru Outback, 2000-2001 Subaru Legacy, 2000-2000 Subaru Outback, 1999-2002 Subaru Forester, 1999-2001 Subaru Impreza, 1999-1999 Subaru Legacy
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
Part interchange
KS98, 158-0974, 0986JG0835, 65018, AS10092, DKS503, 144-745, 72925, 
...View more
item #100165XN
Show less
Standard KS303 Ignition Knock (Detonation) Sensor
StandardPart # KS303
Standard KS303 Ignition Knock (Detonation) Sensor
4.448 Reviews
$75.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2015-2021 Subaru WRX STI, 2012-2014 Subaru Impreza, 2012-2014 Subaru WRX, 2012-2013 Subaru Forester, 2011-2013 Subaru Forester, 2011-2013 Subaru Forester, 2011-2012 Subaru Forester, 2008-2009 Subaru Legacy, 2007-2011 Subaru Impreza, 2007-2009 Subaru Outback, 2007-2007 Subaru Legacy, 2006-2010 Subaru Forester, 2006-2006 Saab 9-2X, 2006-2006 Subaru Impreza, 2006-2006 Subaru Impreza, 2006-2006 Subaru Impreza, 2006-2006 Subaru Impreza, 2006-2006 Subaru Legacy, 2006-2006 Subaru Legacy
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
MaterialMetal/Plastic
Part interchange
KS303, 158-1664, DKS743, 72991, ID0012, S8903, SU13172, V63-72-0029, 
...View more
item #100165K3
Show less
Beck/Arnley 158-1085 Ignition Knock (Detonation) Sensor
Beck/ArnleyPart # 158-1085
Beck/Arnley 158-1085 Ignition Knock (Detonation) Sensor
4.542 Reviews
$73.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2017-2017 Mazda CX-5, 2016-2020 Mazda CX-3, 2016-2018 Mazda MX-5 Miata, 2014-2018 Mazda 3, 2014-2017 Mazda 6, 2013-2016 Mazda CX-5, 2012-2013 Mazda 3, 2012-2013 Mazda 3, 2010-2011 Subaru Legacy, 2010-2011 Subaru Outback, 2008-2011 Subaru Tribeca, 2008-2009 Subaru Legacy, 2006-2010 INFINITI M45, 2006-2008 INFINITI M35, 2006-2007 Subaru B9 Tribeca, 2006-2006 INFINITI Q45, 2005-2007 INFINITI G35, 2005-2005 INFINITI Q45, 2004-2004 INFINITI Q45, 2003-2008 INFINITI FX35
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
Part interchange
158-1085
item #1000XPL3
Show less
Standard KS413 Ignition Knock (Detonation) Sensor
StandardPart # KS413
Standard KS413 Ignition Knock (Detonation) Sensor
4.448 Reviews
$69.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2022-2023 Subaru BRZ, 2020-2023 Subaru Legacy, 2020-2023 Subaru Outback, 2019-2022 Subaru Ascent, 2019-2022 Subaru Forester, 2019-2020 INFINITI Q50, 2019-2020 INFINITI Q60, 2018-2022 Subaru WRX, 2018-2018 INFINITI Q50, 2017-2023 Subaru Impreza, 2017-2020 Toyota 86, 2017-2019 Subaru Legacy, 2017-2019 Subaru Outback, 2017-2018 INFINITI Q60, 2017-2017 Subaru Outback, 2017-2017 Subaru Outback, 2016-2023 Subaru Crosstrek, 2015-2019 INFINITI Q70L, 2015-2016 Subaru Impreza, 2015-2015 INFINITI Q40
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru Legacy
Item LocatedUnited States
Quantity1
MaterialMetal/Plastic
Part interchange
KS413, 158-1718, 158-1722, DKS853, 73048, ID0071, ID0079, EKS913, 
...View more
item #100168R5
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Popular Years for Subaru Legacy

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