If your vehicle is listed on the fitment table below, the product will fit your car - we guarantee it. All you need to do is to ensure that the vehicle's Year, Make, Model, Trim, and any other notes specified inside the fitment table are respected.
Included warranty:
For warranty coverage information, please see our
Warranty Policy.
Walker Products Ignition Knock (Detonation) Sensors are OE Replacement components that monitor engine vibrations to detect knocking or detonation events. These sensors are a critical part of the engine control system, allowing the ECU to adjust ignition timing in real time to prevent spark knock—a condition that can cause internal engine damage, reduced fuel economy, and drivability issues. Walker Knock Sensors are engineered to match OE specifications for frequency range, sensitivity, and electrical output. Each unit is tuned to detect the specific resonant frequency of knock in a given engine platform, enabling precise spark retard when knock is detected. Built from high-quality, heat- and oil-resistant materials, these sensors are designed to endure the harsh conditions of the engine block and cylinder head. With exact OE fitment, Walker Knock Sensors install directly into the original threaded locations and connect using factory-style electrical terminals. Whether addressing a fault code (e.g., P0325, P0330), correcting timing issues, or replacing a failed sensor, Walker Knock Sensors restore proper knock detection, improve engine safety, and support optimal ignition performance across a wide range of gasoline applications.
Characteristics include:
Exact OE Fit: Installs directly into original mounting locations using factory connectors and threads—no modifications required.
Built for Harsh Environments: Engineered to resist heat, vibration, and oil exposure for long-lasting signal reliability.
OE Replacement Sensitivity: Calibrated to match factory frequency response and output for seamless ECU integration and spark control.
Detects Engine Knock: Monitors vibration frequencies to detect detonation and prevent pre-ignition engine damage.
Restores Ignition Timing Accuracy: Supports optimal fuel efficiency, performance, and emissions by correcting spark advance during knock conditions.
Some of the interchangeable part numbers are:
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Fitment Table
This product is compatible with these vehicles:
Year
Make
Model
Notes
Position
2003
Toyota
Solara
2.4L
Inline engine
4 cylinders
3.48" bore
3.78" stroke
Vendor:DENSO
2002
Toyota
Solara
2.4L
Inline engine
4 cylinders
3.48" bore
3.78" stroke
Vendor:DENSO
2001
Toyota
Camry
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
2001
Toyota
Highlander
2.4L
Inline engine
4 cylinders
3.48" bore
3.78" stroke
Vendor:DENSO
To 04/2001
2001
Toyota
RAV4
2.0L
Inline engine
4 cylinders
3.39" bore
3.39" stroke
Vendor:DENSO
To 01/2004
2001
Toyota
Solara
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
2000
Toyota
Camry
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
2000
Toyota
RAV4
2.0L
Inline engine
4 cylinders
3.39" bore
3.39" stroke
2000
Toyota
Solara
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1999
Toyota
Camry
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1999
Toyota
Celica
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1999
Toyota
RAV4
2.0L
Inline engine
4 cylinders
3.39" bore
3.39" stroke
1999
Toyota
Solara
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1998
Toyota
Camry
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1998
Toyota
Celica
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1998
Toyota
RAV4
2.0L
Inline engine
4 cylinders
3.39" bore
3.39" stroke
1997
Toyota
Camry
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1997
Toyota
Celica
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1997
Toyota
RAV4
2.0L
Inline engine
4 cylinders
3.39" bore
3.39" stroke
1996
Toyota
Camry
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1996
Toyota
Celica
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1996
Toyota
RAV4
2.0L
Inline engine
4 cylinders
3.39" bore
3.39" stroke
1995
Toyota
Camry
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1995
Toyota
Celica
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1995
Toyota
MR2
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1994
Toyota
Camry
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1994
Toyota
Celica
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1994
Toyota
MR2
2.0L
Inline engine
4 cylinders
3.39" bore
3.39" stroke
1994
Toyota
MR2
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1993
Lexus
ES300
3.0L
V engine
6 cylinders
3.45" bore
3.23" stroke
1993
Toyota
Camry
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1993
Toyota
Camry
3.0L
V engine
6 cylinders
3.45" bore
3.23" stroke
1993
Toyota
Celica
1.6L
Inline engine
4 cylinders
3.18" bore
3.03" stroke
1993
Toyota
Celica
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1993
Toyota
MR2
2.0L
Inline engine
4 cylinders
3.39" bore
3.39" stroke
1993
Toyota
MR2
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1993
Toyota
Supra
3.0L
Inline engine
6 cylinders
3.39" bore
3.39" stroke
1992
Lexus
ES300
3.0L
V engine
6 cylinders
3.45" bore
3.23" stroke
1992
Toyota
Camry
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1992
Toyota
Camry
3.0L
V engine
6 cylinders
3.45" bore
3.23" stroke
1992
Toyota
Celica
1.6L
Inline engine
4 cylinders
3.18" bore
3.03" stroke
1992
Toyota
Celica
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1992
Toyota
Cressida
3.0L
Inline engine
6 cylinders
3.26" bore
3.58" stroke
1992
Toyota
MR2
2.0L
Inline engine
4 cylinders
3.39" bore
3.39" stroke
1992
Toyota
MR2
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1992
Toyota
Supra
3.0L
Inline engine
6 cylinders
3.26" bore
3.58" stroke
1991
Toyota
Celica
1.6L
Inline engine
4 cylinders
3.18" bore
3.03" stroke
1991
Toyota
Celica
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1991
Toyota
MR2
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1991
Toyota
Supra
3.0L
Inline engine
6 cylinders
3.26" bore
3.58" stroke
1990
Toyota
Celica
1.6L
Inline engine
4 cylinders
3.18" bore
3.03" stroke
1990
Toyota
Celica
2.2L
Inline engine
4 cylinders
3.43" bore
3.58" stroke
1990
Toyota
Supra
3.0L
Inline engine
6 cylinders
3.26" bore
3.58" stroke
1989
Toyota
Supra
3.0L
Inline engine
6 cylinders
3.26" bore
3.58" stroke
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