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Knock Sensor

2021 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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Ignition Knock Detonation Sensor for 2002-2004 Mercedes-Benz SLK32 AMG

A-Premium®Part # APKNS131

Ignition Knock Detonation Sensor for 2002-2004 Mercedes-Benz SLK32 AMG

4.812 Reviews

$19.99

Low stock: Only 3 left

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits Mercedes-Benz SLK32 AMG: 2002 2003 2004

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

Part interchange

21123855020, 21120385502001, 21120385502002, 21120385502003, 2112385502001, 2112385502002, A0031538628, A2709050200,

ConditionNew

item #10152A0V

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A-Premium®Part # APKNS131

Ignition Knock Detonation Sensor for 1998-2005 Mercedes-Benz E320

4.812 Reviews

$19.99

Low stock: Only 3 left

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits Mercedes-Benz E320: 1998 1999 2000 2001 2002 2003 2004 2005

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

Part interchange

21123855020, 21120385502001, 21120385502002, 21120385502003, 2112385502001, 2112385502002, A0031538628, A2709050200,

ConditionNew

item #101529CH

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A-Premium®Part # APKNS131

Ignition Knock Detonation Sensor for 1998-2003 Mercedes-Benz ML320

4.812 Reviews

$19.99

Low stock: Only 3 left

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits Mercedes-Benz ML320: 1998 1999 2000 2001 2002 2003

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

Part interchange

21123855020, 21120385502001, 21120385502002, 21120385502003, 2112385502001, 2112385502002, A0031538628, A2709050200,

ConditionNew

item #101529U2

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A-Premium®Part # APKNS139

Knock / Detonation Sensor for 2020-2023 Chevrolet Blazer

4.812 Reviews

$19.99

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits Chevrolet Blazer: 2020 2021 2022 2023

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

ConditionNew

item #10188DK1

Note

This item comes with harness.

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A-Premium®Part # APKNS087

Knock Detonation Sensor for 2001-2006 Kia Optima

4.812 Reviews

$20.99

Low stock: Only 3 left

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits Kia Optima: 2001 2002 2003 2004 2005 2006

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

Part interchange

KS148, 5S2236, ID0154, 3950038032, 3951038020, 3951038021, V52720110, 2KNC0261

ConditionNew

item #1012Z04T

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A-Premium®Part # APKNS067

Ignition Knock Detonation Sensor for 1995 Oldsmobile Aurora 4.0L V8

4.812 Reviews

$23.99

Low stock: Only 4 left

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits 1995 Oldsmobile Aurora

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

ConditionNew

item #10019HEU

Note

This item does not come with a Wiring Harness.

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A-Premium®Part # APKNS127

Ignition Knock Detonation Sensor for 2002-2010 Nissan Platina

4.812 Reviews

$17.99

Low stock: Only 4 left

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits Nissan Platina: 2002 2003 2004 2005 2006 2007 2008 2009 2010

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

ConditionNew

item #1012Z0T8

Note

This item does not come with a Wiring Harness.

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A-Premium®Part # APKNS044

Passenger Ignition Knock Detonation Sensor for 2009-2014 Hyundai Genesis

4.812 Reviews

$29.99

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits Hyundai Genesis: 2009 2010 2011 2012 2013 2014

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

Installation PositionRight Passenger Side

ConditionNew

item #1012Z1NA

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A-Premium®Part # APKNS077

Knock Detonation Sensor for 1998-2003 Isuzu Rodeo

4.812 Reviews

$22.99

Low stock: Only 4 left

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits Isuzu Rodeo: 1998 1999 2000 2001 2002 2003

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

Part interchange

KS213, 5S2190, 2421082, 10456240, 10456669, 8104562400, 8104566690, 93079

ConditionNew

item #1012Z23W

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A-Premium®Part # APKNS079

Ignition Knock Detonation Sensor for 1999 Mercury Mystique 2.0L l4

4.812 Reviews

$22.99

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits 1999 Mercury Mystique

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

Part interchange

KS128, 5S2218, 2421070, X52Z12A699BA, XS2Z12A699BA, YF0918921, 2KNC0238

ConditionNew

item #100194UH

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A-Premium®Part # APKNS085

Knock Detonation Sensor for 1991-1995 Hyundai Scoupe

4.812 Reviews

$23.99

Low stock: Only 5 left

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits Hyundai Scoupe: 1991 1992 1993 1994 1995

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

Part interchange

KS145, 5S2234, 2421097, 3925022003, 3925022010, 2KNC0329

ConditionNew

item #1012Z07V

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A-Premium®Part # APKNS131

Ignition Knock Detonation Sensor for 2001-2004 Mercedes-Benz SLK320

4.812 Reviews

$19.99

Low stock: Only 3 left

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits Mercedes-Benz SLK320: 2001 2002 2003 2004

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

Part interchange

21123855020, 21120385502001, 21120385502002, 21120385502003, 2112385502001, 2112385502002, A0031538628, A2709050200,

ConditionNew

item #10152AH5

Show less

A-Premium®Part # APKNS131

Ignition Knock Detonation Sensor for 2001-2006 Mercedes-Benz CL55 AMG

4.812 Reviews

$19.99

Low stock: Only 3 left

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits Mercedes-Benz CL55 AMG: 2001 2002 2003 2004 2005 2006

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

Part interchange

21123855020, 21120385502001, 21120385502002, 21120385502003, 2112385502001, 2112385502002, A0031538628, A2709050200,

ConditionNew

item #101528GD

Show less

A-Premium®Part # APKNS131

Ignition Knock Detonation Sensor for 1996-1999 Mercedes-Benz S420

4.812 Reviews

$19.99

Low stock: Only 3 left

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

Part interchange

21123855020, 21120385502001, 21120385502002, 21120385502003, 2112385502001, 2112385502002, A0031538628, A2709050200,

ConditionNew

item #10152AWA

Show less

A-Premium®Part # APKNS131

Ignition Knock Detonation Sensor for 2003-2005 Mercedes-Benz ML350

4.812 Reviews

$19.99

Low stock: Only 3 left

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits Mercedes-Benz ML350: 2003 2004 2005

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

Part interchange

21123855020, 21120385502001, 21120385502002, 21120385502003, 2112385502001, 2112385502002, A0031538628, A2709050200,

ConditionNew

item #101528WU

Show less

A-Premium®Part # APKNS131

Ignition Knock Detonation Sensor for 2001-2006 Mercedes-Benz S55 AMG

4.812 Reviews

$19.99

Low stock: Only 3 left

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits Mercedes-Benz S55 AMG: 2001 2002 2003 2004 2005 2006

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

Part interchange

21123855020, 21120385502001, 21120385502002, 21120385502003, 2112385502001, 2112385502002, A0031538628, A2709050200,

ConditionNew

item #101527DL

Show less

A-Premium®Part # APKNS115

Knock Detonation Sensor for 2004-2006 Audi A8 Quattro

4.812 Reviews

$21.99

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits Audi A8 Quattro: 2004 2005 2006

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

Part interchange

KS233, 5S2381, 2421136, 077905377D, 077905377F, V10721165, 93047

ConditionNew

item #1012ZAC3

Show less

A-Premium®Part # APKNS034

Driver Ignition Knock Detonation Sensor for 2009-2014 Hyundai Genesis

4.812 Reviews

$23.99

Low stock: Only 2 left

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits Hyundai Genesis: 2009 2010 2011 2012 2013 2014

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

ConditionNew

item #1012YZ4S

Note

This item comes with a Wiring Harness.

Show less

A-Premium®Part # APKNS079

Ignition Knock Detonation Sensor for 2001-2004 Mazda Tribute

4.812 Reviews

$22.99

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits Mazda Tribute: 2001 2002 2003 2004

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

Part interchange

KS128, 5S2218, 2421070, X52Z12A699BA, XS2Z12A699BA, YF0918921, 2KNC0238

ConditionNew

item #1012Z1AL

Show less

A-Premium®Part # APKNS048

Ignition Knock Detonation Sensor for 2018-2019 Honda Accord

4.812 Reviews

$20.99

Enter ZIP codeFree standard shipping

1-year warranty

90 days free return

Fits Honda Accord: 2018 2019

Check if this fits your vehicle

Item LocatedUnited States

Quantity1

MaterialMetal/Plastic

ConditionNew

item #1012YY5Q

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P0327 Code: Knock Sensor Low Input Causes & Fix

Learn what triggers the P0327 knock sensor low-input code, how serious it is, and how to diagnose the sensor, connector and wiring step by step before replacing parts.

Jul 27, 2026

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